1. GENERAL PROVISIONS
1.1.The choice of a constructive floor solution should be based on the technical and economic feasibility of the decision taken in specific construction conditions, taking into account the assurance of:
reliability and durability of the adopted design;
economical consumption of cement, metal, wood and other building materials;
the most complete use of the physical and mechanical properties of the materials used;
minimum labor costs for the device and operation;
maximum mechanization of the device process;
extensive use of local construction materials and industrial waste products;
no effect of harmful factors applied in the construction of materials floors;
optimum hygienic conditions for people;
fire and explosion safety.
1.2.The design of the floors should be carried out depending on the specified impacts on the floors and special requirements for them, taking into account the climatic conditions of construction.
1.3.The intensity of mechanical effects on the floor should be taken from Table.1.
1.4.The intensity of exposure to liquids on the floor should be considered:
small - slight effect of liquids on the floor;the surface of the floor is dry or slightly moist;flooring of liquids is not impregnated;Cleaning of premises with pouring water from hoses does not produce;
medium - periodic moistening of the floor, causing impregnation of the coating with liquids;the floor surface is usually wet or wet;liquid on the surface of the floor drains off periodically;
large - constant or frequently repeated flow of liquids on the floor surface.
The area of action of liquids due to their transport on the soles of shoes and transport tires extends from all sides( including adjacent rooms) from the wetting point of the floor: water and aqueous solutions of 20 m, mineral oils and emulsions - by 100 m.
Floor washing( without spillagewater) and occasional spills on it, splashes, drops, etc.are not considered as the effect of fluids on the floor.
1.5.In rooms with medium and high intensity of exposure to the floor of liquids, slopes of the floors should be provided. The size of the slopes of the floors should be taken:
0,5-1% - with seamless coatings and plate coverings( except for concrete coatings of all types);
1-2% - with coatings from pavers, bricks and concrete of all kinds.
The slopes of the trays and channels, depending on the materials used, must be at least as specified. The direction of gradients should be such that the sewage flows into trays, canals and ladders, without crossing passages and passages.
1.6.The slope of the floors on the ceilings should be created using a variable-thickness screed, and the floors on the ground with a suitable ground-laying layout.
1.7.In the premises for storage and processing of food products it is necessary to use floors without voids( airspace under the coating).
Table 1
| Mechanical effect | Mechanical intensity | |||
| very significant | significant | moderate | weak | |
| Pedestrian traffic per 1 m of passage width, number of people per day | - | - | 500 and more | Less than 500 |
| Traffic on crawlers on one lane, units / day | 10 or more | Less than 10 | Not allowed | Not allowed |
| Traffic on a rubber course for one lane, unit / day | Over 200 | 100-200 | Less than 100 |
|
| movement of trolleys only Movement of trolleys on metal tires, rolling of round metal objects per lane, units / day | Over 50 | 30-50 | Less than 30 | Not allowed |
| Attacks from falling 1 m of solid objects,kg, not more than | 20 | 10 | 5 | 2 |
| Drawing solid objects with sharp angles and ribs | Allowed | Allowed | Not allowed | Not allowed |
| Working with a sharp tool on the floor( shovels, etc.) | » | » | » | » |
1.8.Materials for chemically resistant floor coatings in rooms with aggressive media should be taken in accordance with the requirements of SNiP 2.03.11-85.
1.9.In the places where the floors are joined to walls, partitions, columns, foundations for equipment, pipelines and other structures projecting above the floor, skirting boards should be installed.
1.10.For the lining of trays, channels and gangways in chemically resistant floors, it is necessary to use materials intended for coating these floors.
| Flooring material | Intensity of mechanical impact on the floor | ||||||||||||||
| very significant | significant | moderate | weak | ||||||||||||
| coating thickness, mm | concrete grade for compressive strength or strength of coating material, MPa( kgf / cm2) | coating thickness, mm | concrete gradeCompressive strength or strength of the coating material, MPa( kgf / cm2) | Coating thickness, mm | Concrete grade for compressive strength or strength of coating material, MPa( kgf / cm2) | Coating thickness, mm | Loss of concrete in compressive strength or strength of coating material, MPa( kgf / cm2) | ||||||||
| Concrete: | |||||||||||||||
| cement | 50 | B40 | 30 | B30 | 25 | B22.5 | 20 | B15 | |||||||
| mosaic | Not applicable | 30 | 40( 400) | 25 | 30( 300) | 20 | 20( 400)200) | ||||||||
| Polyvinylacetate and latex cement | » | 30 | 40( 400) | 20 | 30( 300) | 20 | 20( 200) |
| » | 40 | 25( 250) | 30 | 20( 200) | 20 | 20( 200) |
| Asphalt concrete | » | 50 | - | 40 | - | 25 | - | ||||||||
| Cement-sand mortar | » | Not available | 30 | 30( 300) | 20 | 20( 200) | |||||||||
| Metal cement mortarp | 40 | 50( 500) | 20 | 50( 500) | Not applicable | Not applicable | |||||||||
| polyvinyl acetate-cement composition sawdust | Not applicable Not applicable |
| 20 | - | 15 | - | |||||||||
| Filler composition based on synthetic resins and aqueous dispersions of polymers | » | » | Not applicable | 2-4 | - | ||||||||||
| xylene | » | » | 20 | - | 15 | - | |||||||||
| Plates: | |||||||||||||||
| cement-concrete | » | 40 | B30 B15 | 30 | V22,5 | 30 |
| ||||||||
| mosaic concrete | » | 40 | 40( 400) | 30 | 30( 300) | 20 | 20( 200) | ||||||||
| asphalt | » | 50 | - | 40 | - | 30 | - | ||||||||
| ceramic acid-resistant | » | 50 | - | 30-35 | - | 15-20 | - | ||||||||
| shlakositallovye | » | Not applicable | 15-20 | - | 10-15 | ||||||||||
| stone casting | 40 | - | 25-30 | - |
| Not applicable Not applicable | |||||||||
| diabase | Not applicable | Not applicable | 20 | - | 15 | - | |||||||||
| cement-sand | » | » | 30 | 30( 300) | 20 | 20( 200) |
2. COVERING FLOORS
2.1.The type of floor covering of the production premises should be assigned depending on the type and intensity of the mechanical, fluid and thermal effects, taking into account the specific requirements for floors in accordance with the mandatory Annex 1.
The type of floor covering in residential, public, administrative and residential buildings should be assigned depending on the type of premisesin accordance with the recommended annex 2.
2.2.The thickness and strength of the material of continuous coatings and floor slabs should be assigned according to Table.2.
2.3.The thickness of floors: earthen, slag, gravel, crushed stone, adobe, concrete, from heat-resistant concrete should be calculated according to the load on the floor, the materials used and the properties of the substrate and take at least, mm:
earth 60
slag, gravel,crushed stone and adobe 80
concrete and heat-resistant concrete 120
2.4.Thickness and reinforcement of slabs from heat-resistant concrete should be taken from the calculation of structures lying on the elastic foundation, under the action of the most unfavorable loads on the floor.
2.5.The thickness of boards, parquet boards, parquet shields, super-hard wood fiber boards and racking coatings should be taken according to the current standards for products in accordance with the instructions of albums of typical flooring details of residential and public buildings.
2.6.In sports halls, the thickness of the boards of the coating should be taken as calculated taking into account the dynamic loads on the floors and the need to ensure reliable attachment to the floor of sports equipment and projectiles.
2.7.The air space under the flooring of boards, rails, parquet boards and boards must not communicate with ventilation and smoke channels, and in rooms larger than 25 m2 in addition to be separated by partitions from the boards into closed compartments of the size( 4-5) '(5-6) m.
2.8.The height and strength of the stone for pavers should be given in Table.3.
Table 2
Table 3
| Characteristics of the stone | Effect on the floor | |
| Traffic on caterpillar tracks, impact when falling from a height of 1 m of solid objects weighing 30-50 kg | Attacks when falling from a height of 1 m of solid objects weighing 10-30kg | |
| Height, mm | 125-160 100-120 | 125-160 100-120 |
| Compressive strength, MPa( kgf / cm2) | 100( 1000) | 60( 600) |
Note. Values above the bar - when laying a stone on a sandy underlying layer;under the dash - when laying on concrete, gravel, slag and other underlying layers.
2.9.When submitting to the floors of increased dust separation requirements, the surface finish of the floor covering should be provided in accordance with the recommended annex 4.
СНиП 2.03.13-88 - Floors
BUILDING REGULATIONS AND REGULATIONS
FLOORS
SNiP 2.03.13-88
STATE CONSTRUCTION COMMITTEE OF THE USSR
MOSCOW 1988
DEVELOPED TSNIIpromzdaniy Gosstroi USSR( Candidate of Technical Sciences IP Kim - the head of the topic, E. V. Grigoriev) with the participation of the Central Research Institute of Housing of the State Committee for Architecture( DK Baulin, the head of the topic, Candidate of Technical Sciences MA Khromov).
SUBMITTED BY TSNIIpromzdany Gosstroy USSR.
PREPARED FOR APPROVAL by the Office of Standardization and Technical Norms in the Construction of the USSR Gosstroi( V. M. Skubko).
With the introduction of SNiP 2.03.13-88 "Floors" from January 1, 1989, the head of SNiP II-V.8-71 "The floors. Norms of designing ».
When using the normative document, it is necessary to take into account the approved changes to the building codes and state standards published in the Bulletin of Construction Machinery, the Compilation of Changes to Construction Norms and Rules of the USSR Gosstroy and the information index "State Standards of the USSR" of the USSR State Standard.
| State | Building codes | SNiP 2.03.13-88 |
| Floors | In return |
These standards apply to the design of floors for industrial, residential,administrative and residential buildings.
Floors with a standardized index of heat build up of the floor surface should be designed taking into account the requirements of SNiP II-3-79.
Design of floors for livestock, poultry and fur farm buildings and premises should be carried out taking into account the requirements of SNiP 2.10.03-84.
Building polymeric materials and products for floors should be applied in accordance with the List of polymer materials and structures permitted for use in construction, approved by the Ministry of Health of the USSR in agreement with the USSR State Construction Committee.
When designing floors, it is necessary to comply with additional requirements established by the design standards of specific buildings and structures, fire and sanitary standards, as well as the norms of technological design.
These standards do not apply to the design of demountable floors;floors, located on permafrost soils, and heated floors.
Accepted name floor elements are given in Informative Annex 3.
| Made | USSR State Construction Committee approved Resolution | Term into effect January 1, 1989 |
3. PROFILE
3.1.The choice of type and purpose of the thickness of the interlayer should be carried out depending on the existing impacts on the floor in accordance with the mandatory annex 5.
3.2.The compressive strength of the material of the interlayer should not be less than, MPa( kgf / cm2):
of the cement-sand mortar at the intensity of mechanical impacts( see Table 1):
weak 15( 150)
moderate, significant and very significant 30( 300)
mortar on liquid glass 20( 200)
The class of fine-grained concrete for compressive strength should be not lower than B30.
4. WATERPROOFING
4.1.Waterproofing from the penetration of waste water and other liquids should be provided only at medium and high intensity of their impact on the floor( see § 1.4):
water and neutral solutions - in the floors on the floor, on the subsidence and swelling soils of the basement, and also in the floorson abrasive soils of the floor in unheated rooms;
organic solvents, mineral oils and emulsions of them - only in floors on the floor;
acids, alkalis and their solutions, as well as substances of animal origin - in the floors on the ground and on the floor.
4.2.To protect against penetration of water, neutral and chemically aggressive liquids, it is necessary to use an insulator, hydroisol, briol, polyisobutylene, polyvinyl chloride film, dubbed polyethylene.
4.3.With an average intensity of exposure to the floor of sewage and other liquids, the gable waterproofing of bitumen-based materials should be applied in 2 layers, of polymeric materials - in 1 layer.
With a high intensity of the fluid exposure to the floor, as well as under the sewers, channels, trawls and within a radius of 1 m from them, the number of waterproofing layers from bitumen-based materials should be increased by 2 layers, and of polymer materials by 1 layer.
4.4.Application of waterproofing from bitumen based materials with medium and high intensity of exposure to the floor of mineral oils, emulsions from them or organic solvents, as well as waterproofing from tar-based materials with medium and high intensity of exposure to the floor of organic solvents is not allowed.
4.5.On the surface of pasting waterproofing from materials based on bitumen and tar before laying coatings, interlayers or screeds with cement or liquid glass in it, it is necessary to envisage the application of bituminous or tar mastic, respectively, with a sprinkling of sand with a particle size of 1.5-5 mm.
4.6.Waterproofing from the penetration of sewage and other liquids should be continuous in the construction of the floor, walls and bottoms of the trays and channels, above the foundations for equipment, and also in the places where the floor crosses these structures. In places where the floor joins walls, columns, foundations for equipment, pipelines and other structures projecting above the floor, the waterproofing should be continuously continued to a height of at least 300 mm from the level of the floor covering.
4.7.When located in a zone of dangerous capillary rise of groundwater, the bottom of the concrete underlying layer, used in rooms where there is no effect on the floor of medium and high intensity wastewater, under the underlying layer should provide for waterproofing.
When designing the waterproofing, the height, m, of the dangerous capillary rise of groundwater should be taken from the groundwater table:
for sand of coarse 0.3
»» of medium size and fine 0.5
for dusty sand 1.5
»» loam, siltyloam
and sandy loam, clay 2.0
4.8.At medium and high intensity, not the floor of solutions of sulfuric, hydrochloric, nitric, acetic, phosphoric, hypochloric and chromic acids under the concrete underlying layer should be waterproofed.
4.9.If the concrete underlayment is located below the level of the footprint of the building, waterproofing should be used in rooms where there is no effect on the floor of medium and high intensity wastewater.
5. STAINLESS( BASIS UNDER COVERING FLOORING)
5.1.Screeds should be used in cases where it is necessary:
leveling of the surface of the underlying layer;
pipeline hiding;
distribution of loads on heat and sound insulation layers;
providing for standardized heat generation of the floor;
creating an incline in floors on floors.
5.2.The smallest thickness of the screed for the slope in the places adjacent to the drain trays, channels and gangways should be: when laying it over the slabs - 20, along the heat- or sound-insulating layer - 40 mm. The thickness of the screed for covering the pipelines should be 10-15 mm larger than the diameter of the pipelines.
5.3.Screeds should be assigned:
for leveling the surface of the underlying layer and covering the pipelines - from concrete grade for compressive strength not lower than B12.5 or cement-sand mortar with compressive strength not less than 15 MPa( 150 kgf / cm2);
for creating slope on the slab - from concrete class for compressive strength V7,5 or cement-sand mortar with compressive strength not less than 10 MPa( 100 kgf / cm2);
for liquid polymer coatings - from concrete grade for compressive strength not lower than B15 or cement-sand mortar with compressive strength not lower than 20 MPa( 200 kgf / cm2).
5.4.Lightweight concrete screeds, designed to provide normalized heat absorption of the floor, for compressive strength should comply with class B5.
5.5.The strength of lightweight concrete for bending for screeds laid on a layer of compressible heat or soundproof materials, should be at least 2.5 MPa( 25 kgf / cm2).
5.6.With concentrated loads on the floor of more than 2 kN( 200 kgf), a concrete layer should be made along the heat- or sound-insulating layer, the thickness of which is established by calculation.
5.7.The strength of gypsum screeds( in the state dried up to constant weight) should be, MPa( kgf / cm2), not less than:
for polymeric coatings 20( 200)
»other» 10( 100)
5.8.Prefabricated screeds of wood-shaving, cement-shaving and gypsum-fiber boards, from rolling gypsum-concrete panels based on gypsum cement-pozzolanic binder, as well as screeds from porous cement mortars should be used according to the albums of typical parts and working drawings approved in the established order.
5.9.Prefabricated screeds of wood-fiber boards are allowed to be used in floor structures to ensure normalized heat build-up of the floor surface of the first floors of residential premises.
5.10.Screeds of asphalt concrete can only be used for coverings from single-layered parquet flooring.
| Coverage | Limit values | Characteristics of the floor covering | ||||||||||||||||||
| Traffic intensity | mass of objects1, kg falling from a height of 1 m | Specific pressure from concentrated loads, N / cm2( kgf / cm2) | Floor heating to temperature, ° C | Intensityfloor | ||||||||||||||||
| pedestrians and trolleys on rubber tires | trolleys on metal tires and when rolling round metal objects | transport on the rubber course | water and neutral reaction solutions | mineraloils and emulsions from them | of organic solvents | of animal origin | acids | alkalis | on dust separation | by electrical conductivity | by non-sparking | |||||||||
| concentration2,%, not more than | intensity | concentration,%, not more | intensity | |||||||||||||||||
| coefficient With | intensity | |||||||||||||||||||
| 1Cement-sand | Not limited to | 60 | Moderate | Moderate | 3 | 500( 50) | 100 | Large | Large | Large | Small | Not allowed | Not allowedShallow etsya | 8 |
| Average | conductive | Bezys-krovoe4 | ||
| 2. Cement betonnoe3 | » | 100 | very significant | very significant | 10 | 1000( 100) | 100 | » | » | » | » | » | » | 8 | average | » | » | » | ||
| 3. Asphalt | » | 50 | Moderate | same | 5 | 20( 2) | 50 | » |
| not allowed not allowed not allowed |
| 10 20 | average | 10 | » | » | not electrically | » | ||
| 4. Mosaic- concrete( terrazzo) | » | 60 | » | Large | 5 | 500( 50) | 100 | » | Large | Large | Small | Not allowed | Not allowed | 8 | » | Small5 | Conducting | » | ||
| 5. Polyvinyl acetate cement-concrete | » | 100 | Considerable | Very significant | 10 | 1000( 100) | 50 |
| Shallow Shallow | » | » | » | » | 8 | Shallow | » | » | » | ||
| 6. Latex-Cement-concrete | » | 100 | » | same | 10 | 1000( 100) | 50 | Large | » | Medium | » | 0 10 | Small | 8 | » | » | » | » | ||
| 7. Acid-liquid concrete on the sealing glass additive | » | 100 | very significant | » | 10 | 500( 50) | 100 |
| Medium Large Large |
| » | 100 | Large | 5 | - | not allowed | Average | conductive | sparkling | |
| 8. A heat-resistant concrete atPortland cement with chromite and slag filler | » | 100 | Moderate | » | 10 | 500( 50) | 600 | 5 | Small | » | » | Not allowed | Not allowed | Not allowed | 8 | Small | » | » | » | |
| 9. Bton with a reinforced upper layer; 6 |
| 100-500 | 5 | Very significant |
|
|
| Small |
|
| 8 |
| Small |
|
| |||||
| 10. Heat resistant concrete slabson Portland cement with chromite and aggregate from slag in sand layer | » | 100 | Same | » | 10 | 500( 50) | 600 | 5 | » | Small | Small | Not allowed | » | » | 8 | » |
| » | » | |
| 11. Metal cement in a layer of cement-sand mortar with a compressive strength of 30 MPa( 300 kgf / cm2) 6 | Not limited to | 500 | Very significant | 5 | Very significant | 15 | 1000( 100) | 100 | Small | Large | Large | Small | Not allowed | Not allowed | 8 | Small | Medium | Conductive | Sparkling | |
| 12. Xylitol | » | 60 | Moderate | Not allowed8 | 3 | 200( 20) | 50 | Not allowed | Small | Small | Not allowed |
|
|
| not allowed | » | » | sparkless | ||
| 13. Polivinilatsetattsementno-sawdust | » | 60 | » | » | 3 | 200( 20) | 50 | » | » | » | » | » | » | - | » | » | ||||
| 14. PVA masticatory | » | - | Not allowed | Not allowed | Not allowed | 50 | ||||||||||||||
|
|
|
|
|
|
| dustless | 5 |
| Sparkling | |||||||||||
| 15. Epoxy mastic nalivnoe9 | » | - | » | » | 2 | 500( 50) | 50 | » | » | » | Shallow | » | » | » | » |
| 5 | not dust-free conductive | » | |
| 16. Paving according interlayer of peska6 | » | 100 | Moderate | very significant | 10-50 | 5 | 500( 50) | 500 | 5 | average | Most | » | not allowed | » | » | - | » | Average | conductive | » |
| 17. Cobblestones on a layer of cement-sand rastvora6 | » | 100 | » | Same | 10-50 | 5 | 500( 50) | 100 | Big | » | Big | Small | » | » | 8 | Medium | » | » | » | |
| 18. Steel plates for fine-grained concrete interlayer | » | 500 | Very significant | 5 | » | 20-50 | 5 | 500( 50) | 100 | Small | » | » | Not allowed | » | » | - | Not allowed | » | » | » |
| 19. Cast perforated plate on the interlayer of fine concrete | » | 500 | very significant | 5 | » | 10 | 500( 50) | 100 | Large | » | » | Shallow | » | » | - | » | » | » | » | |
| 20. Cast iron platewith support projections along the sand layer | » | 300 | Very significant | » | 10 | 3 t per plate | 1400 | 5 | Small | Small | Small | Not allowed | » | » | - | » | » | » | » | |
| 21. The front end with bitumen or tarmastic | » | 100 | Same | » | 10-50 | 5 | 50( 5) | 50 | not allowed | considerable | » | » | » | » | - | » | » | not electrically | sparkless | |
| 22. Asphalt concrete slab on the interlayer of bitumastic | not limited | 60 | Much | Major | 5 | 30( 3) | 50 | Large | Not allowed | Not allowed | Not allowed | 10 2010 | Average | 8 | Average | Average | Non-conductive | Non-sparked4 | ||
| 23. Cement-concrete slabs in a layer of cement-sand mortar | » | 60 | » | » | 7 | 500( 50) | 100 | » | Large | Large | Small | Not allowed | Not allowed | 8 | » | » | Electrically conductive | » | ||
| 24.Mosaic-concrete slabs in a layer of cement-sand mortar | » | 60 | Moderate | » | 5 | 500( 50) | 100 | » | » | » | » | » | » | 8 | » | Small | » | » | ||
| 25. Marble slabsnumber of chipped) through a layer of cement-sand | » | - | Not allowed | Moderate | 2 | 500( 50) | 100 | » | » | » | Average | » | » | 8 | » | Small | 5 | » | Sparkling | |
| 26. Natural stone slabs of igneous rocks( granite, etc..) over a layer of cement-sand mortar | » | 60 | Significant | 10 | 500( 50) | 100 | » | » | » | » | » | » | 10 | » | Small | 5 | » | » | ||
| 27. Ceramic plitki11 | » | - |
| not allowed not allowed 200 | 2 | ( 20) | 100 | Depending on the type of application layer 5 on compulsory | Small | » | » | |||||||||
| 28. Ceramic tiles, acid | » | 60 | Moderate | considerable | 55 | 200(20) | 100 | same Mean |
| » | » | |||||||||
| 29. | Shlakositallovye plate » | 60 | » | » | 3 | 200( 20) | 100 | » | Small | » | » | |||||||||
| 30. Stone cast tile | » | 60 | » | » | 2 | 200(20) | 100 | » | » | » | » | |||||||||
| 31. Acid-resistant brick flat | » | 60 | » | very significant | 75 | 100( 10) | 100 | » | Average | » | » | |||||||||
| 32. Acid-resistant brick edgewise | » | 60 | » | » | 105 | 100( 10) | 100 | » | » | » | » | |||||||||
| 33. PVC compound | » | - | not allowed | not dopuskaetsya8 | 2 | 100( 10) | 50 | average | Small | Small |
| 2012 | Average Average Average | 20 |
| 5 | dust-free | 5 | » | sparking |
| 34. boardwalk( colored) | » | 60 | » | Not allowed | 2 | 200 kg per | 50 | not allowed | Not allowed | Not allowed | Not allowed | Not allowed | Not allowed | - | Not allowed | Small | Not electrically conductive | » | ||
| 35.Parquet boards and boards | Not allowed | - | Not allowed | Not allowed | Not allowed | 200 kg per point | 50 | Not allowed | Not allowed | Not allowed | Not allowed | Not allowed | Not allowed |
| Not allowed | Small | Not allowedconductive | Non-sparking | ||
| 36. Ultra-hard fibreboard | » | - | » | » | » |
| 50 | » | » | » | » | » | » | - | » | » | » | |||
| 37. Piece and parquet floor | » | - | » | » | » | » | 50 | » | » | » | » | » | » | - | » | » | » | » | ||
| 38. Linoleum, tile, PVC Not | more than 500 people per day per 1 m of the pass width | - | » | » | » | 500( 50) | 50 | » | » | » | » | » | » | - | » |
| » | |||
| 39. RollBased on chemical fibers | Same | - | » | » | » | 100( 10) | 50 | » | » | » | » | » | » | - | » | Average | » | » | ||
| 40. clay-concrete, adobe | not dopuskaetsya8 | - | » | not dopuskaetsya8 | 5 | 50( 5) | 500 | » | Shallow Shallow |
| » | » | » | - | » | Large | Conductive | Non-sparking4 | ||
| 41. crush-soaked bitumen | » | 40 | » | Much | 10 | 100( 10) | 50 | average | not allowed | not allowed | » | 10 2010 | Small | 8 | Small | » | » | » | ||
| 42. crushed stone, gravel | » | - | »not | dopuskaetsya8 | 10 | 100( 10) | 500 |
| Shallow Shallow Shallow |
| » | not allowed not allowed |
| - | not allowed | » | » | » | ||
| 43. slag, ground | » | - | » | » | not limited | 30( 3) | Not aboutbordered by | » | » | » | » | » | » | - | » | » | » | » | ||
7. GROUND OF FOUNDATION UNDER FLOORS
7.1.The floor should be arranged on soils that exclude the possibility of deformation of the structure from subsidence of the soil.
Peat, chernozem and other vegetable soils as bases under the floor are not allowed.
7.2.Natural soils with broken structure or bulk should be compacted.
7.3.If the bottom of the underlying layer is located in a zone of dangerous capillary rise of perennial or seasonal groundwater in rooms where there is no effect on the floor of sewage and other medium- and high-intensity liquids, one of the following measures should be envisaged:
lowering of the groundwater level;
raising the floor level;
with a concrete underlayment, the use of waterproofing to protect against groundwater according to paragraph 4.7.
7.4.In the case of cloddy soils, one of the following measures should be taken at the base of the floor of the premises where these soils can be frozen:
lowering the water table below the freezing depth of the base by at least 0.8 m;
execution on the basis of a heat-insulating layer, calculated according to the calculation from inorganic moisture-proof materials with an average density of not more than 1.2 t / m3;
replacement of the primed soil with backfilling of trenches in the freezing zone of the base with almost non-heaped soil.
7.5.In the surface of the base of non-screed soil, before laying a concrete underlayment over it, it is necessary to press crushed stone or gravel into a depth of at least 40 mm.
APPENDIX 1
Mandatory
SELECTION OF TYPE OF FLOORING PRODUCTION FACILITIES
The designation adopted in the table:
C is the pressure coefficient for the floor of metal tires and round metal objects, defined by the formula:
where P is the largest wheel or rim pressure on the floor, H(kgf);
b - wheel or rim width, cm;
D - wheel or rim diameter, m.
_____________
1 Solid( metal, stone) objects falling on different places of the floor( dropping cargo from cars, trucks, throwing parts).
When the objects fall to the same place of the floor from a height of 1 m( at openings, gutters, installation places, etc.), the mass indicated in the table must be reduced by a factor of 2, and when falling from a height of 0.5 m -in 1,5 times.
The impact on the floor when drawing solid objects with sharp angles and ribs can be equated to impacts acting on different places of the floor when falling from a height of 1 m of solid objects weighing 10 kg, and when working with sharp metal tools( shovels, etc.) - toimpact when falling from a height of 1 m of solid objects weighing 5 kg.
2 Above the line are indicated: nitric, sulfuric, hydrochloric, phosphoric, hypochlorous, chromic, acetic;under the bar - oil, lactic, formic, oxalic acid.
The highest concentration of these acids is assumed to be 100%.
3 The movement of caterpillar vehicles of considerable intensity is allowed.
4 It is allowed only when using crushed stone, sand, which exclude sparking during impacts by metal or stone objects.
5 Coatings that allow effects marked with a frame should only be used in conjunction with the effects marked with a subscript.
Coatings for which the table has no effects marked with a subscript shall only be used in the presence of influences or requirements marked with a border.
6 Movement of caterpillar vehicles without intensity restriction is allowed.
7 To harden a concrete coating with a hardened topcoat, dry mixtures of cement with iron powder, scale and other metal-containing waste with a particle size of not more than 5 mm should be used.
8 Except for irregular( episodic) traffic of pedestrians, as well as transport on the rubber course by a number not exceeding 10 units / day.
9 Allowed only in rooms, dusty air in which leads to a violation of the normal operating mode of technological equipment and transport equipped with numerical program control.
10 The effect of acetic acid is not allowed.
11 It is allowed, as a rule, in premises with increased sanitary and hygienic requirements.
12 For oxidizing media not more than 5% is allowed.
Note. The types of coatings should be used for exposures not exceeding the limits set by the table.
APPENDIX 2
Recommended
DESIGNATION OF TYPES OF FLOORS OF HOUSES, PUBLIC, ADMINISTRATIVE AND HOUSE BUILDINGS
| Premises | Coatings |
| 1. Living rooms in apartments, dormitories, boarding rooms, hotel rooms, holiday homes, etc. | Linoleum Boardwalk Rack Super hard wood fibreboards Parquet |
| 2. Corridors in apartments, dormitories, boarding schools, hotels, holiday homes, offices, design offices, auxiliary buildings, removed from the outer doors of buildings by more than 20 m | Linoleum Polyvinylchloride tiles Boardwalk Super hard wood- parquet boards. Parquet |
| 3. Premises of public buildings, operation of which is not connected with the permanent stay of people in them( museums, exhibitions, vestibules, stations, foyer of entertainment enterprises, etc.) | Epoxy filler with a thickness of 2-4 mm Mosaic-concrete polished1 Cement-concrete polished1 Natural stone slabs Marble slabs, including chipped |
| 4. Doctors' rooms, procedural, dressings, wards in hospitals, outpatient clinics, dispensaries, dispensaries, sanatoriums, rest homes,children's rooms and corridors in children's manger-gardens | Linoleum Polyvinylchloride tiles Boardwalk Parquet |
| 5. Children's toilet in the manger-gardens and hospitals | Linoleum |
| 6a. Workrooms, offices, staff rooms in offices, design offices, auxiliary buildings, etc. | Linoleum |
| Polyvinyl chloride tiles | |
| 6b. Auditoriums, classes, laboratories, teachers, etc. rooms in educational institutions Sports halls, lecture rooms, reading rooms, etc. Street clothes storage area in cloakrooms | Boardwalk Super hard wood fibreboards( only for rooms listed inpos "a" and located on the floor) Parquet |
| 7a. Bathrooms, showers, washrooms, latrines in buildings for various purposes | Cement-concrete polished1 Mosaic-concrete polished1 Latex-cement-concrete Ceramic plates |
| b. Trade halls of shops and public catering establishments removed from outside doors by more than 20 m, as well as located on the second and subsequent floors. | Slag-glass slabs Polyvinyl acetate-cement-concrete 1 Boardwalk, parquet - only for rooms listed in pos."B" |
| 8. Food preparation facilities in the stores Kitchens, sinks and catering premises for public catering establishments Changing, soapy, steam rooms in the baths Laundry washers in the laundry | Cement-concrete polished1 Mosaic-concrete Ceramic plates Slag-cobalt slabs |
| 9. Kitchens for residential buildings | Linoleum Polyvinyl chloride tiles Boardwalk Super hard wood fibreboards |
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1 For coatingsTo replace concrete of class not lower than В15.
| Interlayer | Thickness of interlayer, mm | Maximum permissible intensity of exposure to the floor of liquids | Floor heating to temperature, ° C | |||||||
| of water and neutral reaction solutions | mineral oils and emulsions of them | of organic solvents | of animal origin | acids | alkali | |||||
| -recovery1,%, not more | intensity | concentration,%, not more | intensity | |||||||
| Cement-sand mortar | 10-15 | Large | Large | BolShai | Shallow | - | not allowed | 8 | Shallow | 100 |
| cement-sand mortar with addition of latex | 10-15 | » | Shallow |
| Average Average Average | 02 10 | Shallow | 83 |
| 100 |
| liquid glass at the sealing additive | 10-12 | » | » | Large | Large | 100 | Large | - | Not allowed | 100 |
| Based on synthetic resin( thermosets) | 3-4 | » | » | Medium | » | 154 30 | Large | 15 | Medium | 70 |
| Hot bituminous mastic | 2-3 | » | Not allowed | Not allowed | Not allowed | 10 20 | Large | 8 | Medium | 70 |
| grained concrete class not lower than B30 | 30-35 | » | Most | Most | Small | - | not allowed | 8 | Small | 100 |
| Sand | 220 | not allowed | 1000-14005 | |||||||
| 150 | 600-10005 | |||||||||
| 100 | 200-6005 | |||||||||
| 60 | Less than 2005 | |||||||||
| insulation materials | 150 | » | 1000-14005 | |||||||
| 100 | 600-10005 | |||||||||
| 70 | 200-6005 | |||||||||
| 60 | Less than 2005 |
Notes: 1. Coatings of linoleum and polyvinyl chloride tiles are allowed with traffic of pedestrians not exceeding 500 people / day per 1 m of the width of the passage.
2. Slag-cobalt slabs used for coating bath floors in wet rooms should have a fluted face.
3. The choice of the type of flooring of rooms in which impacts on floors are similar to those in industrial premises should be carried out according to Table.2.
APPENDIX 3
Reference
ACCEPTED NAMES OF FLOORS
Coating is the top layer of the floor directly exposed to operational influences.
Interlayer is an intermediate floor layer that connects the flooring to the underlying floor floor or serves to cover the elastic bed.
Waterproofing layer( layers) - a layer that prevents the penetration of waste water and other liquids through the floor, and penetration into the floor of groundwater.
Screed -( base under the cover) - a floor layer used for leveling the surface of the underlying floor or floor, providing a floor covering on the overlap of a given slope, covering various pipelines, distributing loads along the non-rigid underlying layers of the floor on the floor.
Underlayment is a floor layer that distributes loads to the ground.
ANNEX 4
Recommended
FINISH SURFACE Flooring
| coating | method of finishing the surface of the floor covering when | |
| claim small dust separation | bespylnosti1 | |
| Cement-concrete cement-sand Mosaic-concrete | grinding, impregnation sealing compositions reinforcement | grinding with polymeric coatingpaints, varnishes, enamels, including antistatics |
| Polyvinyl acetate-cement-concrete Latex-cement-concrete Xylolite Polyvinyl acetate-cement-sawdust | Grinding | - |
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1 This requirement must be met in rooms where dust separation from the floor leads to a malfunction of the normal operation of process equipment and automated transport with a numerical program device.
ANNEX 5
Mandatory
TYPE OF LAMINATION IN FLOORS
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1 See footnote 2 to app.1.
2 When filling joints with polymer mastics%.
3 When filling joints with polymer mastics, 15%.
4 For oxidizing media not more than 5%.
5 When installing hot objects, parts, spills of molten metal, etc. on the floor, heating the air at the floor level.
Notes: 1. The floor temperature is conventionally considered to be the air temperature at floor level or the temperature of hot objects when contacting the floor.
2. The type of interlayer shown in the table can be applied under impacts that do not exceed the limitations specified in the table. Interlayers that allow the effects marked with a frame are used only in the presence of such influences.
6. LAYERS
6.1.Non-rigid underlying layers( gravel, crushed stone, asphalt-concrete, sandy, slag) can be used in industrial buildings, provided they are compacted by mechanical rollers.
6.2.Clay-concrete underlayment is allowed to be used only with dry grounds of the base.
6.3.In floors that can be exposed to corrosive liquids, animal substances and organic solvents of any intensity or water, neutral solutions, oils and emulsions of medium and high intensity, they should be applied in the floors with a concrete underlayment.
6.4.The thickness of the underlying layer should be determined by calculation, depending on the load acting on the floor, the materials used and the properties of the foundation soil. The thickness of the underlying layer must be at least, mm:
sandy 60
slag, gravel and crushed stone 80
concrete:
in residential and public buildings 80
in production facilities 100
6.5.For a concrete sub-layer, it is necessary to use concrete of a class with a compressive strength of at least B22.5.
In cases where, according to the calculation, tensile stress in the underlying layer of 100 mm thickness from concrete of class B22.5 is less than calculated, it is necessary to use concrete of lower class( but not lower than B7.5) on the basis of ensuring the bearing capacity of the underlying layer.
6.6.With concentrated loads on the floor with a non-rigid underlying layer of less than 5 kN( 500 kgf) and on the floor with a concrete underlayer of less than 10 kN( 1000 kgf), the thickness of these layers should not be less than that given in 6.4.For a concrete sub-layer in this case, concrete of class B7.5 should be used.
6.7.In the concrete underlying floors of the rooms, during which sudden temperature changes are possible, it is necessary to provide for the arrangement of expansion joints located in mutually perpendicular directions at a distance of 8-12 m.
Deformation seams in the floor must cope with the expansion joints of buildings, and in the floorswith slopes for drainage of liquids - with a watershed of floors.
