CN220581884U - Keep somewhere rigidity through-wall pipe waterproof construction - Google Patents
Keep somewhere rigidity through-wall pipe waterproof construction Download PDFInfo
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- CN220581884U CN220581884U CN202322132535.1U CN202322132535U CN220581884U CN 220581884 U CN220581884 U CN 220581884U CN 202322132535 U CN202322132535 U CN 202322132535U CN 220581884 U CN220581884 U CN 220581884U
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- water
- pipe
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- plate
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- 238000010276 construction Methods 0.000 title claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 141
- 239000011433 polymer cement mortar Substances 0.000 claims abstract description 12
- 230000000149 penetrating effect Effects 0.000 claims abstract description 11
- 239000006261 foam material Substances 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 11
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 7
- 239000011496 polyurethane foam Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 239000002002 slurry Substances 0.000 abstract description 3
- 230000008595 infiltration Effects 0.000 abstract description 2
- 238000001764 infiltration Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 abstract 7
- 239000012528 membrane Substances 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 238000004078 waterproofing Methods 0.000 abstract 1
- 238000003466 welding Methods 0.000 description 7
- 229920003023 plastic Polymers 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
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- Building Environments (AREA)
Abstract
The utility model relates to a waterproof structure of an indwelling rigid wall penetrating pipe, and belongs to the technical field of waterproof of underground structure buildings. The utility model provides a rigid pipe which is reserved in a wall and penetrates through the wall, wherein an outer pipe orifice and an inner pipe orifice of the rigid pipe are respectively positioned on the water facing side and the water backing side, the outer pipe orifice is covered by a cover plate, and the cover plate is provided with a grouting hole and a slurry overflow hole; the concrete sealing device is characterized in that a first water sealing plate and a second water sealing plate are sequentially arranged between the outer pipe orifice and the inner pipe orifice, polymer cement mortar is filled in a space between the cover plate and the first water sealing plate, foam materials are filled between the first water sealing plate and the second water sealing plate, and concrete is filled between the second water sealing plate and the inner pipe orifice. Through setting up stagnant water board, meeting water inflation stagnant water strip, waterproofing membrane isotructure, the infiltration of separation water has protected the inside structure of piping lane wall body effectively, and waterproof performance is high, stable in structure has avoided the condition of piping lane ponding.
Description
Technical Field
The utility model relates to a waterproof structure of an indwelling rigid wall penetrating pipe, and belongs to the technical field of waterproof of underground structure buildings.
Background
In recent years, in order to comprehensively utilize urban underground space and improve the integral aesthetic feeling of cities, underground comprehensive pipe racks are increasingly favored by urban constructors. However, geological conditions are complicated, underground water distribution is wide, if the waterproof design of the nodes is unreasonable and the construction quality is not controlled in place, defects can be caused when the underground comprehensive pipe gallery is built, serious water leakage problems can be encountered during subsequent operation, the safety and normal operation of the comprehensive pipe gallery are further affected, and the service life of facility equipment in the pipe gallery is shortened.
However, the following problems are sometimes encountered in the construction process of the pipe gallery at present: (1) for some reasons, a municipal rigid water supply pipe crossing the pipe gallery is fashionably operated at the side wall of the construction pipe gallery, and the rigid water supply pipe can be removed after the concrete pouring of the side wall is completed and the concrete is maintained for several days, so that the rigid water supply pipe can be cut off and a part of the rigid water supply pipe is left in the side wall; (2) and the construction process, the safety of the foundation pit and other factors are considered, part of pipe supports cannot be removed when the side wall concrete is poured, and after the side wall concrete reaches the design strength and is partially backfilled, the redundant steel pipes can be cut off, but a small section of steel pipes is left in the side wall. Both the two conditions can cause a hole on the reserved steel pipe, the hole is just a weak link for preventing water from flowing into the pipe gallery, and although the space in the pipe fitting can be filled tightly by adopting common concrete, the influence of underground water outside the pipe gallery in the pipe gallery is unavoidable because of the post-pouring concrete holes and the contact surface of the concrete and the rigid pipe.
In addition, because the underground cold air is conducted through the heat conduction of the post-cast concrete, condensed water is formed on the surface of the post-cast concrete in the pipe gallery by hot air flow, and the inside and the surface of the post-cast concrete are in a wet state for a long time, and the side wall and the bottom plate nearby the post-cast concrete are also subjected to long-term water accumulation, so that the building structure is damaged.
Disclosure of Invention
In order to solve the problems, the utility model provides a rigid pipe which is reserved in a wall and penetrates through the wall, the wall comprises a water facing side and a water backing side, an outer pipe orifice and an inner pipe orifice of the rigid pipe are respectively positioned on the water facing side and the water backing side, the outer pipe orifice is covered by a cover plate, and the cover plate is provided with a grouting hole and a slurry overflow hole; a first water stop plate and a second water stop plate are sequentially arranged between the outer pipe orifice and the inner pipe orifice, the first water stop plate, the second water stop plate and the cover plate are parallel, polymer cement mortar is filled in a space between the cover plate and the first water stop plate, foam materials are filled between the first water stop plate and the second water stop plate, and concrete is filled between the second water stop plate and the inner pipe orifice; the cover plate edge is abutted against the water facing side of the wall.
It should be understood that the wall refers to a wall of a pipe rack, the water facing side refers to the outside of the wall of the pipe rack (i.e., the side that passes away from the passage), and the water backing side refers to the inside of the wall of the pipe rack (i.e., the side that passes closer to the passage); the grouting holes are used for injecting polymer cement mortar and observing whether the grouting holes are full or not through the grouting holes; the polymer cement mortar is selected to be filled, so that the material has the advantages of high strength, low shrinkage, water resistance, durability, convenience in construction, wide application range and the like.
In the present utility model, the "filling" shall mean a filling manner of complete filling, and for the second water stop plate and the inner pipe orifice, the concrete shall be filled to be flush with the plane of the inner pipe orifice.
In the utility model, the rigid pipe is a pipe fitting which is retained in the wall and penetrates through the wall, and the planes of the inner pipe orifice and the outer pipe orifice are respectively positioned on the back water side wall surface and the front water side wall surface of the wall; the first water stop plate and the second water stop plate are of plate-shaped structures and can block the space in the rigid pipe, and the plane of the working surface with the largest area of the first water stop plate and the second water stop plate is parallel to the plane of the working surface with the largest area of the cover plate.
Further, the first water stop plate comprises a first inner water stop plate fixed inside the rigid pipe and having the same sectional area as the rigid pipe, and a first outer water stop plate extending from the first inner water stop plate to the outside of the rigid pipe and fixed outside the rigid pipe; the second water stop plate comprises a second inner water stop plate fixed inside the rigid pipe and having the same sectional area as the rigid pipe, and a second outer water stop plate extending from the second inner water stop plate to the outside of the rigid pipe and fixed outside the rigid pipe.
It should be understood that taking the first water stop plate and the second water stop plate as examples, the inner water stop plate refers to a circular plate with the largest working surface corresponding to the cross-sectional area of the rigid pipe, and the outer water stop plate refers to an annular plate with the largest circumference extending in the diameter direction and the diameter larger than the cross-sectional area of the rigid pipe; the first and second are used only to distinguish the water stop plates at different positions, and have no other meaning.
Further, water-swelling water stop strips are arranged between the first water stop plate and the rigid pipe wall and between the second water stop plate and the rigid pipe wall.
Further, the cover plate is of a plate-shaped structure with the middle part recessed towards the direction of the inner side pipe orifice, and the recessed part of the cover plate can be filled with polymer cement mortar to be flush with the outer side pipe orifice.
In one embodiment of the utility model, one or more layers of waterproof coiled materials are paved on the inner wall of the rigid pipe between the cover plate and the first water stop plate, the extension part of the edge of the outer pipe orifice towards the water facing side of the wall and the extension part of the cover plate towards the water facing side of the wall, and the waterproof coiled materials at the edge of the outer pipe orifice are compacted by the cover plate.
In one embodiment of the utility model, the foam material is low-density rigid polyurethane foam plastic, has the characteristics of heat preservation and heat insulation, and can effectively prevent underground cold air from entering a pipe gallery through a pipeline to form condensed water; the first water stop plate and the second water stop plate are steel plates; the cover plate is a stainless steel circular plate; the micro-expansion concrete is filled between the second water stop plate and the inner pipe orifice, and the material has the advantages of good crack resistance, impermeability and frost resistance, high construction efficiency and the like.
The utility model has the beneficial effects that:
1. the utility model prevents the infiltration of water by arranging the structures such as the water stop plate, the water stop bar which expands when meeting water, the waterproof coiled material and the like,
the structure inside the piping lane wall body has been protected effectively, waterproof performance is high, stable in structure has avoided the condition of piping lane ponding.
2. The utility model is filled with the low-density hard polyurethane foam plastic, can effectively prevent the underground cold air from entering the pipe gallery through the pipeline to form condensed water, and prevents the phenomenon of dampness.
3. The utility model has compact structure, convenient installation and strong applicability.
Drawings
FIG. 1 is a schematic view of an overall three-dimensional structure according to an embodiment of the present utility model.
Fig. 2 is a cross-sectional view of the overall structure in one embodiment of the utility model.
In the figure, 1, a rigid tube; 21. a first water stop plate; 22. a second water stop plate; 211. a first internal water stop plate; 212. a first external water stop plate; 221. a second internal water stop plate; 222. a second external water stop plate; 3. a low density rigid polyurethane foam; 4. a water-swelling water stop strip; 5. polymer cement mortar; 6. micro-expansive concrete; 7. a third waterproof coiled material; 8. a second waterproof coiled material; 9. a first waterproof coiled material; 10. a nut; 11. a screw; 12. a pulp overflow hole; 13. grouting holes; 14. and a cover plate.
Detailed Description
Example 1
As shown in fig. 1 and 2, the utility model provides a waterproof structure of a retaining rigid wall penetrating pipe, comprising a rigid pipe retained in a wall and penetrating through the wall, wherein the wall comprises a water facing side and a water backing side, an outer pipe orifice and an inner pipe orifice of the rigid pipe 1 are respectively positioned on the water facing side and the water backing side, the outer pipe orifice is covered by a cover plate 14, and the cover plate 14 is provided with a grouting hole 13 and a slurry overflow hole 12; a first water stop plate 21 and a second water stop plate 22 are sequentially arranged between the outer side pipe orifice and the inner side pipe orifice, the first water stop plate 21 and the second water stop plate 22 are parallel to the cover plate 14, polymer cement mortar 5 is filled in a space between the cover plate 14 and the first water stop plate 21, low-density rigid polyurethane foam plastic 3 is filled between the first water stop plate 21 and the second water stop plate 22, and micro-expansion concrete 6 is filled between the second water stop plate 22 and the inner side pipe orifice; the edge of the cover plate 14 is abutted against the water facing side of the wall, and the cover plate 14 is fixedly connected with the first water stop plate 21 through the screw 11 and the nut 10 and is fixed through the nut.
The first water stop plate 21 includes a circular first inner water stop plate 211 fixed inside the rigid pipe 1 and having a cross-sectional area equal to that of the rigid pipe 1, and a ring-shaped first outer water stop plate 212 extending from the first inner water stop plate 211 to the outside of the rigid pipe 1 and fixed to the outside of the rigid pipe 1; the second water stop plate 22 has the same structure as the first water stop plate 21, and includes a second inner water stop plate 221 and a second outer water stop plate 222.
Water-swelling water stop strips 4 are arranged between the first water stop plate 21 and the wall of the rigid pipe 1 and between the second water stop plate 22 and the wall of the rigid pipe 1.
The cover plate 14 is of a plate-shaped structure with the middle part of the inner pipe orifice recessed in the direction of the inner pipe orifice and the edge connected with the edge of the outer pipe orifice; the recessed portion of the cover plate 14 facing away from the inner nozzle is filled with polymer cement mortar 5 to be flush with the outer nozzle.
A first waterproof roll 9 is laid from the inner wall of the rigid pipe 1 between the cover plate 14 and the first water stop plate 21 to the extension part of the outer pipe orifice edge towards the water facing side of the wall, two layers of waterproof rolls, namely a second waterproof roll 8 and a third waterproof roll 9, are also laid from the part of the cover plate 14, which is filled with polymer cement mortar 5 to be level with the outer pipe orifice, to the extension part of the water facing side of the wall, and the first waterproof roll 9 is compacted by the cover plate 14 at the edge of the cover plate 14.
The installation principle of the utility model is as follows:
step one: before pouring the side wall concrete, respectively welding a first external water stop plate 212 and a second external water stop plate 222 outside the rigid pipe 1, and installing a water-swelling water stop strip 4 at a welding position after welding;
step two: after the strength of the side wall concrete meets the design requirement, the side wall concrete enters the rigid pipe 1 from the outer pipe orifice, a first inner water stop plate 211 close to the outer pipe orifice is welded on the inner wall of the rigid pipe, a water expansion water stop strip 4 is arranged at the welded position after the welding, and then a first waterproof coiled material 9 is paved inside the rigid pipe; then covering the cover plate 14, filling polymer cement mortar 5 into the rigid pipe 1 through the grouting holes 13, and stopping filling after the grouting holes 12 are observed to be fully filled;
step three: fixing a cover plate 14 by a screw 11 and a nut 10, and filling polymer cement mortar 5 in the concave of the cover plate 14 to be level with an outer pipe orifice; the second and third rolls 8 and 7 are then laid in sequence in the recess of the cover plate 14 filled to the end face flush with the outside nozzle.
Step four: filling low-density hard polyurethane foam plastic 3 into the rigid pipe 1 from the inner pipe orifice, after filling a part (not filling the inner pipe orifice), welding a second inner water stop plate 221 on the end face of the low-density hard polyurethane foam plastic 3 closest to the inner pipe orifice, and after welding, installing a water-swelling water stop strip 4 at the welding position;
step five: the filling of the rigid tube 1 with micro-expansive concrete 6 is continued from the inner nozzle until it is flush with the inner nozzle.
While the utility model has been described with reference to the preferred embodiments, it is not limited thereto, and various changes and modifications can be made therein by those skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (9)
1. The utility model provides a keep somewhere rigid through-wall pipe waterproof construction, includes the rigid pipe that keeps somewhere in the wall and runs through the wall, the wall includes windward side and back water side, the outside mouth of pipe and the inboard mouth of pipe of rigid pipe are located respectively windward side and back water side, its characterized in that, outside mouth of pipe is covered by the apron, the apron is provided with mud jacking hole and overflow hole; a first water stop plate and a second water stop plate are sequentially arranged between the outer pipe orifice and the inner pipe orifice, the first water stop plate, the second water stop plate and the cover plate are parallel, polymer cement mortar is filled in a space between the cover plate and the first water stop plate, foam materials are filled between the first water stop plate and the second water stop plate, and concrete is filled between the second water stop plate and the inner pipe orifice; the cover plate edge is abutted against the water facing side of the wall.
2. The waterproof structure of an indwelling rigid wall penetrating pipe according to claim 1, wherein the first water stopping plate comprises a first inner water stopping plate fixed inside the rigid pipe and having a cross section equal to that of the rigid pipe, and a first outer water stopping plate extending from the first inner water stopping plate to the outside of the rigid pipe and fixed outside the rigid pipe; the second water stop plate comprises a second inner water stop plate fixed inside the rigid pipe and having the same sectional area as the rigid pipe, and a second outer water stop plate extending from the second inner water stop plate to the outside of the rigid pipe and fixed outside the rigid pipe.
3. The waterproof structure of the indwelling rigid wall penetrating pipe according to claim 2, wherein water-swelling water-stopping strips are arranged between the first water-stopping plate and the wall of the rigid pipe and between the second water-stopping plate and the wall of the rigid pipe.
4. The waterproof structure of the indwelling rigid wall penetrating pipe according to claim 1, wherein the cover plate is of a plate-shaped structure with a middle portion recessed toward the direction of the inner pipe orifice.
5. The waterproof structure of the indwelling rigid wall penetrating pipe according to any one of claims 1 to 4, wherein one or more layers of waterproof coiled materials are laid on the inner wall of the rigid pipe between the cover plate and the first water stopping plate, the extending part of the edge of the outer pipe orifice towards the water facing side of the wall and the extending part of the cover plate towards the water facing side of the wall, and the waterproof coiled materials at the edge of the outer pipe orifice are compacted by the cover plate.
6. The indwelling rigid wall tube flashing structure according to claim 1, wherein said foam material is a low density rigid polyurethane foam.
7. The waterproof structure of the indwelling rigid wall penetrating pipe according to claim 1, wherein the first water stopping plate and the second water stopping plate are steel plates.
8. The waterproof structure of the indwelling rigid wall penetrating pipe according to claim 1, wherein the cover plate is a stainless steel circular plate.
9. The waterproof structure of the indwelling rigid wall penetrating pipe according to claim 1, wherein micro-expansion concrete is filled between the second water stopping plate and the inner pipe orifice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322132535.1U CN220581884U (en) | 2023-08-09 | 2023-08-09 | Keep somewhere rigidity through-wall pipe waterproof construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322132535.1U CN220581884U (en) | 2023-08-09 | 2023-08-09 | Keep somewhere rigidity through-wall pipe waterproof construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220581884U true CN220581884U (en) | 2024-03-12 |
Family
ID=90113058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322132535.1U Active CN220581884U (en) | 2023-08-09 | 2023-08-09 | Keep somewhere rigidity through-wall pipe waterproof construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220581884U (en) |
-
2023
- 2023-08-09 CN CN202322132535.1U patent/CN220581884U/en active Active
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