CN114941394A - Backfill construction process for assembled public washroom - Google Patents
Backfill construction process for assembled public washroom Download PDFInfo
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- CN114941394A CN114941394A CN202210754858.1A CN202210754858A CN114941394A CN 114941394 A CN114941394 A CN 114941394A CN 202210754858 A CN202210754858 A CN 202210754858A CN 114941394 A CN114941394 A CN 114941394A
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000010276 construction Methods 0.000 title claims abstract description 17
- 239000004568 cement Substances 0.000 claims abstract description 36
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 29
- 239000010959 steel Substances 0.000 claims abstract description 29
- 239000011083 cement mortar Substances 0.000 claims abstract description 28
- 239000010865 sewage Substances 0.000 claims abstract description 26
- 239000011248 coating agent Substances 0.000 claims abstract description 23
- 238000000576 coating method Methods 0.000 claims abstract description 23
- 239000011449 brick Substances 0.000 claims abstract description 21
- 239000006260 foam Substances 0.000 claims abstract description 17
- 239000003973 paint Substances 0.000 claims abstract description 12
- 229910001335 Galvanized steel Inorganic materials 0.000 claims abstract description 11
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 11
- 239000008397 galvanized steel Substances 0.000 claims abstract description 11
- 239000011491 glass wool Substances 0.000 claims abstract description 9
- 238000005192 partition Methods 0.000 claims abstract description 9
- 239000002390 adhesive tape Substances 0.000 claims abstract description 5
- 239000000565 sealant Substances 0.000 claims abstract description 5
- 229920000642 polymer Polymers 0.000 claims description 13
- 230000001680 brushing effect Effects 0.000 claims description 9
- 239000004745 nonwoven fabric Substances 0.000 claims description 6
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 15
- 239000004567 concrete Substances 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 6
- 238000009413 insulation Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 230000035939 shock Effects 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000010426 asphalt Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/48—Special adaptations of floors for incorporating ducts, e.g. for heating or ventilating
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D11/00—Other component parts of water-closets, e.g. noise-reducing means in the flushing system, flushing pipes mounted in the bowl, seals for the bowl outlet, devices preventing overflow of the bowl contents; devices forming a water seal in the bowl after flushing, devices eliminating obstructions in the bowl outlet or preventing backflow of water and excrements from the waterpipe
- E03D11/02—Water-closet bowls ; Bowls with a double odour seal optionally with provisions for a good siphonic action; siphons as part of the bowl
- E03D11/04—Bowls of flat shape with only slightly inclined bottom ; Squat-type closets
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/70—Drying or keeping dry, e.g. by air vents
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C1/00—Building elements of block or other shape for the construction of parts of buildings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Electromagnetism (AREA)
- Acoustics & Sound (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Public Health (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a backfill construction process of an assembled public washroom, which comprises the steps that sealant is fully filled on the contact surface of a box body framework bottom plate and a purline, glass wool is fully laid in a purline frame, shockproof adhesive tapes are pasted on the purline and a cross beam at the bottom of a box body, and a waterproof breathable film is laid above the glass wool; laying a cement board on the purline, fixing the sewage discharge pipeline by using a bracket, suspending the sewage discharge pipeline above the cement board, and finding a slope to one side of the sewage discharge pipeline; cement mortar on the periphery of the box body finds a slope and goes along the slope to the floor drain; the waterproof paint is fully brushed to the wall surface at the upper part of the box body, the joint of the sewage pipeline outlet and the periphery of the bracket base; building light foam bricks in the squatting area into stepping grids, and fully paving ceramsite; the steel bars are staggered from the grid partitions and laid in a net shape, cement mortar is pre-laid, the galvanized steel wire mesh is fully laid, and a cement mortar slope-finding layer is fully laid; the interface agent is fully brushed once along the wall 30 cm high around the box body, and the waterproof coating is fully brushed twice. The invention can reduce the dead weight, realize the secondary drainage at the bottom of the caisson and reduce the hidden trouble of water leakage of the settlement cracks of the later leveling layer.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a backfill construction process for an assembled public washroom.
Background
The existing backfilling process of the ceramsite in the toilet comprises the following steps:
before backfilling, waterproofing of a base layer at the bottom of the caisson is required to be carried out, the ground is fully coated, the upper wall is about 500mm around, the waterproofing height exceeds the depth of the caisson, and in order to ensure that water seeped from the upper layer cannot expand to the periphery. Using red bricks as partitions: the caissons were divided into 400mm by 400mm grids using red bricks. With such a load-bearing partition, the concrete on the upper side cannot fall down. Filling ceramsite: stirring ceramsite, matching cement sand and a little water, wherein the ratio of the ceramsite to the cement is recommended to be 5: 1, burying the mixture into the container, and stirring and compacting the mixture. Arranging steel bars: and a 300 mm-300 mm reinforcing mesh consisting of reinforcing steel bars with the diameter of 8-10 mm is distributed above the grids to ensure the firmness and uniform stress of the concrete layer. Ramming the concrete layer: and (3) adding a vibration pump for construction, and leveling by C30 fine-stone concrete with the thickness of 100 mm.
The prior backfill process has the following process defects: 1) a secondary drainage process at the bottom of the caisson is not carried out, and the damaged and leaked water of the pipeline is accumulated in the caisson body and cannot be drained in time; 2) red bricks are used for building partitions to increase the counterweight of a backfill layer, so that the load bearing pressure of the floor slab is increased; 3) the water-doped backfilling of the ceramsite and the cement prevents the moisture absorption characteristic of the ceramsite, and the ceramsite is stirred and bonded with the cement into blocks, so that the physical rigid extrusion of the ceramsite on the surface of a sewage pipe is increased; 4) a300 x 300 steel bar mesh is directly laid on the partition surfaces of the ceramsite and the red brick without placing a steel wire mesh on the surface of the ceramsite, and the concrete in the steel bar mesh space and the concrete on the partition wall are stressed unevenly, so that the later local sinking is caused.
Disclosure of Invention
The purpose of the invention is as follows: aiming at the problems in the prior art, the invention provides a backfilling construction process for an assembly type public washroom, which can realize secondary drainage of the bottom of a caisson while reducing the dead weight and reduce the hidden danger of water leakage of settlement cracks of a later leveling layer.
The technical scheme is as follows: the invention provides a backfill construction process for an assembled public washroom, which comprises the following steps:
step 1: sealant is filled on the contact surface of a bottom plate of a steel structure box body framework and a purline, glass wool is fully laid in a square frame of the purline, shockproof adhesive tapes are pasted on the purline and a cross beam at the bottom of the box body, and a waterproof breathable film is laid above the glass wool;
step 2: paving a cement plate on the purline, fixing a sewage discharge pipeline by using a bracket, suspending the sewage discharge pipeline 1 cm above the cement plate, and finding a slope towards one side of the sewage discharge pipeline;
and step 3: cement mortar finds a slope 5 cm along the slope to the floor drain around the steel structure box body;
and 4, step 4: the cement-based polymer waterproof paint is fully brushed to 50 cm of the wall surface at the upper part of the box body, and the joint of the outlet of the sewage discharge pipeline and the periphery of the bracket base of the fixed bracket are fully brushed with the waterproof paint;
and 5: light foam bricks in a squatting pit region are laid to form steps, an empty sanitary appliance non-supporting point region is reserved, light foam bricks in other spaces are laid in 400 x 400 grids, ceramsite is fully laid in the 400 x 400 grids, and the ceramsite is uniformly and fully laid 2 cm below the highest point of the 400 x 400 grids laid by the light foam bricks and is lightly pressed and compacted;
step 6: the steel bars are staggered and built by 400-400 grid partitions and are paved in a net shape, cement mortar is pre-paved on the partitions, a galvanized steel wire mesh is fully paved above the cement mortar, and a cement mortar slope-finding layer is fully paved above the galvanized steel wire mesh;
and 7: and (4) fully brushing the interface agent once on the basis of the cement mortar slope finding layer in the step (6), and then fully brushing the interface agent twice by using the waterproof coating, wherein the fully brushing heights of the interface agent and the waterproof coating are both 30 cm high along the wall at the periphery of the box body.
Furthermore, the thickness of the cement board in the step 2 is 2 cm, when a slope is found towards one side of the sewage pipeline, the distance between the highest slope and the cement board is lifted according to the length proportion from the squatting pit to the sewage pipeline, and the distance of one meter is not less than the slope of one centimeter.
Further, the waterproof coating fully brushed to 50 cm of the wall surface on the upper part of the box body in the step 4 is a non-woven fabric cement-based polymer waterproof coating, and the waterproof coating fully brushed at the joint of the outlet of the sewage pipeline and around the bracket base is a leaking stoppage king waterproof coating.
Further, in the step 6, the steel wire meshes are overlapped at the intersection for 10 centimeters and fully paved.
Further, the thickness of cement mortar pre-paved on the steel bars in the step 6 is 2-4 cm, and the thickness of cement mortar fully paved above the steel wire mesh is 5-8 cm.
Further, the diameter of the steel bar in the step 6 is 6-8 mm.
Further, the waterproof coating in the step 7 is a cement-based polymer waterproof coating.
Further, the cement-based polymer waterproof coating has a thickness of 2mm per full brush.
Has the advantages that:
1. the invention integrally reduces the dead weight of the assembly type building monomer, optimizes the steel structure support on the basis of the same steel structure frame, reduces the steel consumption and saves the production, transportation and hoisting cost.
2. The invention aims at the problems that the bottom of the caisson is not subjected to a secondary drainage process in the prior art, the damaged and leaked water of a pipeline is accumulated and cannot be discharged in time in the caisson body, the risk of water overflow and leakage exists, the common waterproof paint is coated, the hidden danger of settlement and crack of the floor cannot be solved, the process of the invention carries out secondary drainage and slope finding, the hidden danger of water leakage is well solved, and the hidden danger of water leakage caused by fine settlement can be avoided by utilizing the waterproof non-woven fabric with a certain elastic space.
3. The process of the invention does not mix cement and water, has good moisture absorption characteristic, and keeps the dry environment space inside the box body for a long time.
4. According to the invention, the leveling layer is firstly made on the surface of the reinforcing mesh, and then the galvanized steel wire mesh is placed, so that the upper leveling layer is uniformly stressed, and the risk of uneven stress and settlement of the leveling layer is avoided.
Drawings
FIG. 1 is a view showing the construction of a fabricated public lavatory according to the present invention;
fig. 2 is an enlarged view of a portion a in fig. 1.
The waterproof and waterproof floor comprises the following components, by weight, 1, a sealant, 2, glass wool, 3, a shockproof adhesive tape, 4, a waterproof and breathable film, 5, a cement board, 6, cement mortar, 7, a non-woven fabric cement-based polymer waterproof coating, 8, a light foam brick masonry 400 x 400 square grid, 9, ceramsite, 10, a steel bar, 11, a galvanized steel wire mesh, 12, a cement mortar slope layer, 13, an interface agent, 14, a cement-based polymer waterproof coating, 15 and a squatting pan.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The invention discloses a backfill construction process of an assembly type public washroom, which comprises the following steps with reference to the attached figure 1:
step 1: the contact surface of the steel structure box body frame bottom plate and the purline is fully filled with sealant, glass wool is fully laid in the square frame of the purline, 3mm of EVA shockproof adhesive tape is pasted at the cross beam of the purline and the box body bottom, and 0.3mm of waterproof breathable film is laid above the glass wool.
Step 2: lay the cement slab on the purlin, in this embodiment, cement slab thickness is 2 centimetres, with the fixed sewage pipes of support, and sets up that sewage pipes hangs in 1 centimetre above the cement slab, and self tapping screw is fixed, looks for the slope to sewage pipes one side, when looking for the slope to sewage pipes one side, the highest slope is apart from the cement slab distance with squatting pot to sewage pipes apart from length proportion lifting, and a meter distance is not less than a centimetre slope.
And step 3: the cement mortar on the periphery of the steel structure box body finds a slope for 5 centimeters and flows along the slope to the floor drain.
And 4, step 4: the cement-based polymer waterproof paint is fully brushed to 50 cm of the wall surface at the upper part of the box body, and the joint of the sewage discharge pipeline outlet and the periphery of the bracket base of the fixed bracket are fully brushed with the waterproof paint. In the embodiment, the waterproof paint fully brushed to 50 cm of the wall surface at the upper part of the box body is the non-woven fabric cement-based polymer waterproof paint, and the waterproof paint fully brushed at the joint of the outlet of the sewage pipeline and around the bracket base is the leaking stoppage king waterproof paint. The waterproof certain elasticity space that has of non-woven fabrics can avoid solving the hidden danger of leaking that slight subsides brought.
And 5: and (3) building light foam bricks in a squatting pit region to form steps, leaving an empty sanitary appliance non-supporting point region, building 400 × 400 grids by using the light foam bricks in other spaces, fully paving ceramsite in the 400 × 400 grids, uniformly and fully paving the ceramsite 2 cm below the highest point of the 400 × 400 grids built by using the light foam bricks, and lightly pressing and compacting the ceramsite. The prior art adds cement into the ceramsite and mixes with water for backfilling, the cement blocks the surface gap of the ceramsite and blocks the moisture absorption characteristic of the ceramsite, the process does not mix the cement with water for stirring, the ceramsite has good moisture absorption characteristic, and the dry environment space in the box body is kept for a long time.
Step 6: the steel bars with the diameter of 6-8 mm are staggered, built and separated by 400 × 400 grids and laid in a net shape, cement mortar is pre-laid on the steel bars, the thickness of the cement mortar is 2-4 centimeters, galvanized steel wire meshes are fully laid above the cement mortar with the thickness of 2-4 centimeters, and when the steel wire meshes are laid, 10 centimeters of steel wire meshes are overlapped at the intersection. And (3) fully paving a cement mortar slope-finding layer above the galvanized steel wire mesh, wherein the thickness of the cement mortar is 5-8 centimeters. And the cement mortar is C20 cement mortar.
And 7: and (5) fully brushing the interface agent once on the basis of the cement mortar slope finding layer in the step (6), and then fully brushing the waterproof coating with the 2mm cement-based polymer twice, wherein the fully brushing heights of the interface agent and the waterproof coating are all 30 cm high along the wall at the periphery of the box body.
Referring to fig. 1 and 2, fig. 2 is an enlarged view of a point a in fig. 1, a squatting pan 15 in fig. 1, a water seal, and elastic materials such as asphalt or asphalt felt with the thickness of more than 10 mm.
The light foam brick used by the invention has the following advantages:
1. light weight, reducing building load: the dry density is 300-1200kg/msup3, and is 1/5-1/8 of common concrete.
2. Excellent heat preservation, heat insulation and sound insulation performances: the heat conductivity coefficient is 0.08-0.16w/m.k, the sound insulation quantity of a 24cm wall body is 60dB, and the requirements of heat insulation and sound insulation of building external walls and household walls are met.
3. Good compression resistance: the compressive strength is more than 0.5Mpa, and the highest strength can reach more than 10.5 Mpa.
4. The shock resistance is good: the foam brick belongs to a porous material and has a lower elastic modulus, so that the foam brick has a good absorption and dispersion effect on shock impact load, and meanwhile, the foam brick has a lighter weight, so that the load of a building is effectively reduced, and the smaller the load of the building is, the stronger the shock resistance is.
5. No cracking and long service life: the foam brick does not crack and hollows, does not need to be coated with an interface agent during use, and has outstanding ageing resistance and long service life.
6. The water resistance is good: the water absorption of the foam brick material is lower than 22%, and is obviously different from other wall materials.
The above embodiments are merely illustrative of the technical concepts and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (8)
1. The backfill construction process of the assembled public washroom is characterized by comprising the following steps of:
step 1: sealant (1) is filled on the contact surface of a steel structure box body framework bottom plate and a purline, glass wool (2) is fully laid in a purline square frame, shockproof adhesive tapes (3) are pasted at the cross beams of the purline and the box body bottom, and a waterproof breathable film (4) is laid above the glass wool (2);
step 2: paving a cement plate (5) on the purline, fixing a sewage discharge pipeline by using a bracket, suspending the sewage discharge pipeline 1 cm above the cement plate (5), and finding a slope towards one side of the sewage discharge pipeline;
and step 3: cement mortar (6) is arranged on the periphery of the steel structure box body to find a slope for 5 centimeters and then flows to the floor drain;
and 4, step 4: the cement-based polymer waterproof paint is fully brushed to 50 cm of the upper wall surface of the steel structure box body, and the joint of the sewage discharge pipeline outlet and the periphery of the bracket base of the fixed bracket are fully brushed with the waterproof paint;
and 5: laying light foam bricks in a squatting pit area to form steps, reserving an empty sanitary appliance non-supporting point area, laying light foam bricks in other spaces to form 400 x 400 grids (8), fully laying ceramsite (9) in the 400 x 400 grids, uniformly and fully laying the ceramsite (9) to 2 cm below the highest point of the 400 x 400 grids for laying the light foam bricks, and lightly pressing and compacting;
and 6: the method comprises the following steps that (1) reinforcing steel bars (10) are staggered and built with 400-400 grid partitions and are paved in a net shape, cement mortar is paved on the reinforcing steel bars in advance, a galvanized steel wire mesh (11) is fully paved above the cement mortar, and a cement mortar slope-finding layer is fully paved above the galvanized steel wire mesh (11);
and 7: and (3) fully brushing the interface agent (13) once on the basis of the cement mortar slope finding layer in the step (6), and then fully brushing the interface agent (13) and the waterproof coating twice, wherein the fully brushing heights of the interface agent (13) and the waterproof coating are all 30 cm high along the wall on the periphery of the steel structure box body.
2. The assembly type public washroom backfilling construction process according to claim 1, wherein the thickness of the cement board (5) in the step 2 is 2 cm, when a slope is found towards one side of the sewage pipeline, the distance between the highest slope and the cement board (5) is lifted according to the length proportion from the squatting pit to the sewage pipeline, and the distance of one meter is not less than one centimeter slope.
3. The assembly type public washroom backfilling construction process according to claim 1, wherein the waterproof coating fully brushed to 50 centimeters of the wall surface at the upper part of the steel structure box body in the step 4 is a non-woven fabric cement-based polymer waterproof coating (7), and the waterproof coating fully brushed at the joint of the outlet of the sewage pipeline and the periphery of the bracket base is a leaking stoppage king waterproof coating.
4. The assembly type public washroom backfilling construction process according to claim 1, wherein in the step 6, the galvanized steel wire meshes (11) are overlapped at the intersection for 10 centimeters to be fully paved.
5. The assembly type public washroom backfilling construction process according to claim 1, wherein in the step 6, the thickness of cement mortar pre-paved on the steel bars (10) is 2-4 cm, and the thickness of the cement mortar fully paved above the galvanized steel wire mesh (11) is 5-8 cm.
6. The assembly type public washroom backfill construction process according to the claim 1, wherein the diameter of the steel bar (10) in the step 6 is 6-8 mm.
7. The back filling construction process of an assembled public washroom according to claim 1, wherein the waterproof coating in the step 7 is a cement-based polymer waterproof coating (14).
8. The assembly type public washroom backfilling construction process according to claim 7, wherein the thickness of the cement-based polymer waterproof coating (14) is 2mm at each full brush.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210754858.1A CN114941394A (en) | 2022-06-30 | 2022-06-30 | Backfill construction process for assembled public washroom |
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| CN202210754858.1A CN114941394A (en) | 2022-06-30 | 2022-06-30 | Backfill construction process for assembled public washroom |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07229186A (en) * | 1994-02-15 | 1995-08-29 | Inax Corp | Floor structure of toilet room |
| CN101949207A (en) * | 2010-09-10 | 2011-01-19 | 中建七局第四建筑有限公司 | Method for constructing subsided rest room |
| CN107227771A (en) * | 2017-07-19 | 2017-10-03 | 上海星杰装饰有限公司 | A kind of sinking toilet construction skill |
| CN107816138A (en) * | 2017-10-21 | 2018-03-20 | 浙江世贸装饰股份有限公司 | A kind of construction technology of subsided rest room |
| CN107989243A (en) * | 2016-10-26 | 2018-05-04 | 兴义市巨匠装饰有限责任公司 | A kind of construction method for caisson of toilet backfill |
| CN208501802U (en) * | 2018-07-06 | 2019-02-15 | 深圳市洪涛装饰股份有限公司 | A kind of bathroom caisson internal drainage construction |
| CN109930781A (en) * | 2019-04-02 | 2019-06-25 | 浙江力唯装饰设计工程有限公司 | A kind of accomodation ground construction method |
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2022
- 2022-06-30 CN CN202210754858.1A patent/CN114941394A/en active Pending
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