Passive drainage device for basement floor post-pouring belt

Abstract

The utility model discloses a basement bottom plate post-cast strip's passive drainage device, include: bellows, bury in the post-cast strip of basement bottom plate, the bellows is along the length direction of post-cast strip and set up, the bellows includes the coaxial setting of multiple straight pipe sections and the bellows section of folding of connecting in adjacent two straight pipe sections, the upper side of the pipe wall of straight pipe section is equipped with the water -permeable hole, the inboard of straight pipe section is bonded with the support net pipe, branch pipe, bury in the basement bottom plate, one end of branch pipe is connected in the bellows of post-cast strip, the other end of branch pipe reaches in the water collecting well in the basement bottom plate, filter net pipe, detachably connected in two post-cast strips on the branch pipe of adjacent, the mesh of filter net pipe is less than the particle size of silt in water seepage. The utility model has solved the traditional post-cast strip advance waterstop construction method, and the problem that ideal anti -infiltration effect is difficult to reach.

Description

Technical Field

[0001] This utility model relates to the field of building construction technology, specifically to a passive drainage device for the post-cast strip of a basement floor slab. Background Technology

[0002] In construction projects, basement floor slab leakage, especially at the post-cast strip construction area, has always been a common quality problem. The general approach to waterproofing the base slab is a combination of "blocking" and "draining." "Blocking" primarily involves pre-embedding rubber waterstops or steel waterstops within the structure before the post-cast strip is constructed. "Draining" mainly involves pumping water out of the post-cast strip construction area before its installation. However, due to numerous uncontrollable factors during on-site construction, such as inexperienced workers and defective materials, leakage points can still occur. Traditional pre-cast strip waterproofing methods often fail to achieve the desired results. Utility Model Content

[0003] To overcome the shortcomings of existing technologies, a passive drainage device for post-cast strips in basement slabs is provided to solve the problem that traditional pre-cast strip water-stopping construction methods are difficult to achieve the desired anti-leakage effect.

[0004] To achieve the above objectives, a passive drainage device for post-cast strips in basement slabs is provided, comprising: A corrugated pipe is embedded in the post-cast strip of the basement floor slab. The corrugated pipe is arranged along the length of the post-cast strip. The corrugated pipe includes multiple straight pipe sections arranged coaxially and a corrugated section that connects two adjacent straight pipe sections and is foldable. The upper side of the pipe wall of the straight pipe section is provided with water permeable holes, and a supporting mesh pipe is bonded to the inner side of the straight pipe section. A branch pipe is embedded in the basement floor slab, with one end of the branch pipe connected to the corrugated pipe in the post-cast strip and the other end of the branch pipe extending into the sump in the basement floor slab. A filter screen tube, detachably connected to two adjacent post-cast strips, wherein the mesh size of the filter screen tube is smaller than the particle size of the silt in the seepage water.

[0005] Furthermore, the supporting mesh covers the opening of the permeable hole on the side facing the inner cavity of the straight pipe section, and the mesh size of the supporting mesh is smaller than the aggregate size of the concrete in the post-cast strip.

[0006] Furthermore, the corrugated pipe is a PVC pipe.

[0007] Furthermore, the supporting mesh and the filter mesh are steel wire mesh.

[0008] Furthermore, both ends of the filter screen are detachably sleeved onto the other end of the branch pipe.

[0009] The beneficial effect of this utility model is that the passive drainage device for the post-cast strip of the basement floor slab incorporates corrugated pipes into the post-cast strip structure, so that the post-cast strip structure not only has a water-stopping structure but also includes a passive drainage structure. The corrugated pipes for drainage are pre-embedded in the post-cast strip structure, with water-permeable holes on the upper side of the corrugated pipes. They are arranged along the entire length of the post-cast strip and buried in the middle of the post-cast strip structure to form a flow guiding structure, which diverts the seepage water in the post-cast strip to a sump or drainage ditch. Using this construction method, the basement will not experience water accumulation due to seepage, and the risk of water accumulation putting pressure on the structure is also reduced. Attached Figure Description

[0010] Other features, objects, and advantages of this application will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings: Figure 1 This is a structural schematic diagram of the passive drainage device for the post-cast strip of the basement floor slab according to an embodiment of the present utility model.

[0011] Figure 2 This is a cross-sectional view of the passive drainage device for the post-cast strip of the basement floor slab according to an embodiment of the present invention.

[0012] Figure 3 This is a schematic diagram of the structure of the corrugated pipe according to an embodiment of the present invention.

[0013] Figure 4 This is a structural schematic diagram of the connection node between the filter screen and the branch pipe in an embodiment of this utility model.

[0014] Figure 5 This is a top view of the connection node between the filter screen and the branch pipe in an embodiment of this utility model.

[0015] Figure label: Corrugated pipe 1, straight pipe section 11, corrugated section 12; Branch pipe 2, permeable hole 20; Filter tube 3; Basement floor slab 4, sump 40; Post-pouring strip 5. Detailed Implementation

[0016] The present application will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the relevant utility model and not intended to limit the scope of the utility model. Furthermore, it should be noted that, for ease of description, only the parts relevant to the utility model are shown in the accompanying drawings.

[0017] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0018] Reference Figures 1 to 5 As shown, this utility model provides a passive drainage device for the post-cast strip of a basement floor slab, including: a corrugated pipe 1, a branch pipe 2, and a filter screen pipe 3.

[0019] In this embodiment, the corrugated pipe 1 is embedded in the post-cast strip 5 of the basement floor slab 4. The corrugated pipe 1 is arranged along the length of the post-cast strip 5.

[0020] Specifically, a water-stop steel plate is installed between the post-pouring strip 5 and the basement floor slab 4. The corrugated pipe 1 is attached to the water-stop steel plate and is installed along the length of the water-stop steel plate.

[0021] See Figure 3 As shown, the corrugated pipe 1 includes straight pipe sections 11 and corrugated sections 12. There are multiple straight pipe sections 11. These multiple straight pipe sections 11 are coaxially arranged. A corrugated section 12 connects two adjacent straight pipe sections 11. The corrugated section 12 is foldable.

[0022] In this embodiment, the corrugated pipe 1 is a PVC pipe. The corrugated pipe and the branch pipe adopt the same pipe structure.

[0023] See Figure 4 and Figure 5 As shown, permeable holes are provided on the upper side of the pipe wall of straight pipe section 11. A supporting mesh pipe is bonded to the inner side of straight pipe section 11. The supporting mesh pipe is a steel wire mesh pipe. The steel wire mesh pipe is installed inside the corrugated pipe to improve the rigidity of the corrugated pipe and prevent the concrete from crushing the corrugated pipe when pouring the basement floor slab or post-pouring strip.

[0024] In a preferred embodiment, the support mesh covers the openings of the permeable holes on the side facing the inner cavity of the straight pipe section 11. The mesh size of the support mesh is smaller than the aggregate size of the concrete in the post-cast strip 5. This prevents concrete aggregate from falling into the corrugated pipe through the permeable holes during the pouring of the basement slab or post-cast strip.

[0025] See Figure 1 and Figure 2 As shown, branch pipe 2 is embedded in the basement floor slab 4. One end of branch pipe 2 is connected to the corrugated pipe 1 in the post-cast strip 5. The other end of branch pipe 2 extends into the sump 40 in the basement floor slab 4.

[0026] See Figure 2 and Figure 4 As shown, the filter screen 3 is detachably connected to the branch pipes 2 on two adjacent post-cast strips 5. The mesh size of the filter screen 3 is smaller than the particle size of the silt in the seepage water.

[0027] In this embodiment, the filter mesh 3 is a steel wire mesh.

[0028] As a preferred embodiment, the two ends of the filter tube 3 are detachably connected to the other end of the branch tube 2.

[0029] This utility model also provides a construction method for a passive drainage device for the post-cast strip of a basement floor slab, including the following steps: (1) Plan the location of the post-pouring strip in advance to avoid it being too far from the sump (if it is unavoidable that it is too far away, it can be directed into the drainage ditch, and the structure of the facility is the same as that of the sump). (2) According to the drainage path planning, after the bottom reinforcement of the basement floor slab is tied, the branch pipe is laid on the top of the bottom reinforcement of the basement floor slab. The branch pipe is simply tied to the reinforcement with steel wire. The inlet and outlet are left in the sump and the post-cast strip respectively. (3) After the bottom reinforcement of the post-pouring strip is tied, the corrugated pipe is laid on the bottom reinforcement of the post-pouring strip. The corrugated pipe is simply tied to the reinforcement with steel wire. The corrugated pipe is connected to the branch pipe embedded in the base slab with a sleeve to drain the seepage water of the basement base slab to the sump or drainage ditch.

[0030] (4) Install a replaceable wire mesh filter at the water collection well or drainage ditch. When there is seepage in the structure, the water will flow to the water collection well on its own.

[0031] The corrugated pipe and branch pipe in the passive drainage device of the post-cast strip of the basement floor slab of this utility model are made of PVC material. The inner wall of the pipe is supported by a fine wire mesh and prevents aggregate from flowing into the pipe when the floor concrete is poured.

[0032] Corrugated pipes and branch pipes are flexible and easy to install. They can be freely extended and retracted to control the flow path of seepage water, directing it to a collection well or drainage ditch.

[0033] A section of filter screen pipe is used at the water collection well. The filter screen pipe is connected to the branch pipe with a sleeve, and the pipe head is not exposed. It can be freely replaced and is easy to clean. This measure prevents the silt in the pipe from flowing into the water collection well or drainage ditch and accumulating.

[0034] This utility model discloses a passive drainage device for the post-cast strip of a basement floor slab. A corrugated pipe is installed within the post-cast strip structure, providing not only a water-stopping structure but also a passive drainage structure. The corrugated pipe, with permeable holes on its upper side, is embedded along the entire length of the post-cast strip and buried in the middle of the structure, forming a flow guide structure. This guides seepage water from the post-cast strip to a sump or drainage ditch. Using this construction method, the basement will completely prevent water accumulation due to seepage, reducing the risk of water pressure on the structure.

[0035] The above description is merely a preferred embodiment of this application and an explanation of the technical principles employed. Those skilled in the art should understand that the scope of the utility model involved in this application is not limited to the technical solutions formed by specific combinations of the above-described technical features, but should also cover other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the inventive concept. For example, technical solutions formed by substituting the above features with (but not limited to) technical features with similar functions disclosed in this application.

Claims

1. A passive drainage device for the post-cast strip of a basement floor slab, characterized in that, include: A corrugated pipe is embedded in the post-cast strip of the basement floor slab. The corrugated pipe is arranged along the length of the post-cast strip. The corrugated pipe includes multiple straight pipe sections arranged coaxially and a corrugated section that connects two adjacent straight pipe sections and is foldable. The upper side of the pipe wall of the straight pipe section is provided with water permeable holes, and a supporting mesh pipe is bonded to the inner side of the straight pipe section. A branch pipe is embedded in the basement floor slab, with one end of the branch pipe connected to the corrugated pipe in the post-cast strip and the other end of the branch pipe extending into the sump in the basement floor slab. A filter screen tube, detachably connected to two adjacent post-cast strips, wherein the mesh size of the filter screen tube is smaller than the particle size of the silt in the seepage water.

2. The passive drainage device for the post-cast strip of the basement floor slab according to claim 1, characterized in that, The supporting mesh covers the opening of the permeable hole on the side facing the inner cavity of the straight pipe section, and the mesh size of the supporting mesh is smaller than the aggregate size of the concrete in the post-cast strip.

3. The passive drainage device for the post-cast strip of the basement floor slab according to claim 2, characterized in that, The corrugated pipe is a PVC pipe.

4. The passive drainage device for the post-cast strip of the basement floor slab according to claim 3, characterized in that, The supporting mesh and the filter mesh are steel wire mesh.

5. The passive drainage device for the post-cast strip of the basement floor slab according to claim 3, characterized in that, The two ends of the filter screen are detachably sleeved onto the other end of the branch pipe.

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