CN115787747A - Basement water-proof and drainage structure and construction method thereof - Google Patents
Basement water-proof and drainage structure and construction method thereof Download PDFInfo
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- CN115787747A CN115787747A CN202211534834.1A CN202211534834A CN115787747A CN 115787747 A CN115787747 A CN 115787747A CN 202211534834 A CN202211534834 A CN 202211534834A CN 115787747 A CN115787747 A CN 115787747A
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- 238000010276 construction Methods 0.000 title claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 80
- 239000010410 layer Substances 0.000 claims abstract description 65
- 239000011241 protective layer Substances 0.000 claims abstract description 30
- 239000004567 concrete Substances 0.000 claims abstract description 14
- 230000035699 permeability Effects 0.000 claims abstract description 6
- 238000004891 communication Methods 0.000 claims abstract description 5
- 230000002262 irrigation Effects 0.000 claims description 15
- 238000003973 irrigation Methods 0.000 claims description 15
- 238000005507 spraying Methods 0.000 claims description 10
- 239000004746 geotextile Substances 0.000 claims description 8
- 238000004078 waterproofing Methods 0.000 claims description 5
- 239000011380 pervious concrete Substances 0.000 claims description 3
- 238000009825 accumulation Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 239000002994 raw material Substances 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 description 5
- 230000002265 prevention Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000003673 groundwater Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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Abstract
The application provides a basement water-proof and drainage structure and a construction method thereof. The waterproof and drainage structure comprises a concrete cushion layer at the bottom layer, a waterproof layer on the cushion layer, a waterproof protective layer and a basement bottom plate, wherein the waterproof protective layer and the basement bottom plate are sequentially arranged on the waterproof layer; the waterproof protective layer has water permeability, and a three-dimensional drainage structure formed by the transverse and longitudinal communication of drainage pipes is preset in the waterproof protective layer; the three-dimensional drainage structure is provided with one or more main pipelines; the main pipeline is connected with the multi-layer branch pipes through a four-way or three-way joint and finally discharged into a water collecting well; the end of the branch pipe is plugged by using a pipe plug. The invention solves the problems of water accumulation and water leakage of basements and semi-basements by arranging the three-dimensional drainage structure in the waterproof protective layer and preventing drainage combination, and has the technical effects of stable drainage structure and high drainage efficiency; the technical scheme has the advantages of easily obtained raw materials, convenient construction and high practical value.
Description
Technical Field
The invention relates to the technical field of basement construction, in particular to a basement water-proof and drainage structure and a construction method thereof.
Background
The basement is popular with people due to the function of enlarging the use space, so that the basement construction area is enlarged continuously, and the depth is increased continuously. The basement bears the whole load of the building and transmits the load to the soil layer, and the stability of the basement has important significance on the safety and the service life of the building. The traditional basement waterproofing process is mainly based on prevention, the effect which people want cannot be achieved, the problems of basement leakage, water accumulation and dampness caused by the damage of a waterproof layer often occur, and the post-treatment is difficult and high in cost. Some basements are provided with drainage ditches, so that water leaked from the basements is directly drained, and water resource waste is caused. How to achieve the reutilization of groundwater seepage water resource and avoid causing waste is also a technical problem to be solved.
The Chinese patent application with the application number of 202010577839.7 discloses a construction method for basement water prevention and drainage combination. According to the technical scheme, the PVC drainage plates are arranged on the bottom plate and the wall body respectively and serve as the waterproof drainage plates, the uneven structure of the PVC drainage plates is utilized, the bottom plate and the wall body form a drainage cavity, the water-seepage surface of the PVC drainage plates in the cavity can lead out the water seepage from the bottom plate and the wall body, and the waterproof life of the building is prolonged. However, the basement is often used as a garage, a certain pressure bearing capacity is required, and the design of the drainage cavity formed by the drainage plate can reduce the pressure bearing strength of the basement bottom plate.
The Chinese patent application with the application number of 202210065080.3 discloses a concrete segment caulking and drainage structure for underground water blocking and drainage firstly, which comprises outer rubber of a blocking structure, inner rubber of the blocking structure, a water containing cavity, a tolerance attaching surface, a drainage pipe, a constant-pressure water outlet valve, a water pipe joint, a water guide pipeline and a water guide pipeline fixing buckle, wherein the inner rubber layer and the outer rubber layer are used for blocking water firstly. When the inner and outer layers of rubber are punctured by water pressure, underground water enters the water containing cavity, and the water pressure of the punctured water flow is controlled by the constant-pressure water outlet valve and the water flow is discharged along the guide pipe. However, the technical scheme is suitable for plugging gaps between shield tunnel segment concrete blocks, and cannot well perform overall water prevention and drainage on a common basement.
Therefore, it is an urgent technical problem to develop an efficient and generally applicable basement water-proof and drainage structure and construction method thereof.
Disclosure of Invention
Because the defects exist in the prior art, the invention provides the basement water-proof and drainage structure and the construction method thereof, the problem of water accumulation and water leakage of the basement and the semi-basement is effectively solved by using a mode of combining water prevention and drainage, the basement and the semi-basement are kept dry and have no water leakage, and meanwhile, the secondary utilization of water resources can be realized.
In order to achieve the above object, in one aspect, the present invention provides a basement waterproof and drainage structure, including a concrete cushion layer on a bottom layer and a waterproof layer on the cushion layer, and the basement waterproof and drainage structure is characterized in that: the waterproof layer is sequentially provided with a waterproof protective layer and a basement bottom plate; the waterproof protective layer has water permeability, and a three-dimensional drainage structure formed by the transverse and longitudinal communication of drainage pipes is preset in the waterproof protective layer; the three-dimensional drainage structure is provided with one or more main pipelines; the main pipeline is connected with a plurality of layers of branch pipes through a four-way or three-way joint and finally discharged into a water collecting well; the end of the branch pipe is plugged by using a pipe plug.
The waterproof and drainage structure solves the problem of water accumulation and water leakage of basements and semi-basements in a drainage combination mode through the built-in three-dimensional drainage structure of the waterproof protective layer, and has the technical effects of stability and high waterproof and drainage efficiency.
Preferably, the waterproof protective layer is pervious concrete and has a thickness of 50mm.
Preferably, the distance between the edge of the three-dimensional drainage structure and the shear wall of the basement is 500mm; the horizontal distance between the branch pipes in the same layer is not more than 6m.
Preferably, the main pipeline and the branch pipes are PVC drain pipes with water permeable holes, and the outer surfaces of the PVC drain pipes are wrapped with geotextile. This characteristic can avoid earth, rubble to get into the pipeline and influence the drainage effect.
Preferably, the diameter of PVC drain pipe is 25mm, and the diameter in the hole of permeating water is 8mm, the hole of permeating water evenly sets up 4 along the pipeline circumference, and horizontal distance 100 ~ 150mm. The characteristic can ensure the pressure-resistant strength of the pipeline and improve the drainage efficiency to the maximum extent.
Preferably, the pipe slope of the floor is set to 0.5%. The feature utilizes the gravity of water to facilitate the collection of drained water.
Preferably, the accumulated water in the water collecting well is connected with a ground greening irrigation pipeline through an automatic start-stop pump. The feature can carry out secondary utilization to the collected basement accumulated water.
Preferably, the diameter of the irrigation pipe is 100mm, and the diameter of the branch pipe of the irrigation pipe is 25mm; the branch pipe is 500mm higher than the ground, a rotary spraying device is arranged above the branch pipe, and the spraying radius of the rotary spraying device is adjusted according to the greening area.
On the other hand, the invention provides a construction method of a basement waterproof and drainage structure, which is characterized in that the construction method of the basement waterproof and drainage structure comprises the following steps:
s1, after the construction of the bottom of the foundation pit is finished, constructing a concrete cushion;
s2, after the strength of the concrete cushion layer meets the requirement, constructing a waterproof layer;
step S3, after the waterproof layer construction is completed, embedding a three-dimensional drainage structure: the main pipeline is increased according to the area of the basement, the end heads of the branch pipes are plugged by pipe plugs, the joints of the branch pipes and the main pipeline are connected by tee joints or four-way joints, the outside of the pipeline is wrapped by geotextile, and the main pipeline is connected into a sump pit;
and S4, after the three-dimensional drainage structure is installed, constructing a waterproof protective layer.
Preferably, after the step S4 is finished, an automatic start-stop pump is installed in the water collecting well and is connected with the main ground greening irrigation pipeline.
Compared with the prior art, the invention has the following advantages or beneficial effects:
(1) The problem of water accumulation and water leakage of basements and semi-basements is solved by arranging a three-dimensional drainage structure in the waterproof protective layer in a drainage-prevention combination mode, and the waterproof and drainage structure is stable and has high waterproof and drainage efficiency;
(2) The accumulated water of the basement is introduced into the water collecting well and is connected with an overground greening irrigation pipeline through an automatic starting and stopping pump, so that secondary utilization of underground water is realized;
(3) The related raw materials are easy to obtain, the construction method is low in difficulty and high in practical value.
The application provides a basement water-proof and drainage structure and a construction method thereof. The waterproof and drainage structure comprises a concrete cushion layer at the bottom layer, a waterproof layer on the cushion layer, a waterproof protective layer and a basement bottom plate, wherein the waterproof protective layer and the basement bottom plate are sequentially arranged on the waterproof layer; the waterproof protective layer has water permeability, and a three-dimensional drainage structure formed by the transverse and longitudinal communication of drainage pipes is preset in the waterproof protective layer; the three-dimensional drainage structure is provided with one or more main pipelines; the main pipeline is connected with the multi-layer branch pipes through a four-way or three-way joint and finally discharged into a water collecting well; and the end of the branch pipe is plugged by using a pipe plug. The invention solves the problems of water accumulation and water leakage of basements and semi-basements by arranging the three-dimensional drainage structure in the waterproof protective layer and preventing drainage combination, and has the technical effects of stable drainage structure and high drainage efficiency; the technical scheme has the advantages of easily obtained raw materials, convenient construction and high practical value.
Drawings
The invention and its features, aspects and advantages will become more apparent from reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the invention.
FIG. 1 is a schematic cross-sectional view of a basement drainage structure according to an embodiment of the present invention;
FIG. 2 is a plan view of a drain arrangement according to an embodiment of the present invention;
FIG. 3 is a side view of a drain arrangement according to an embodiment of the present invention;
FIG. 4 is a top view of a drain opening according to one embodiment of the present invention;
FIG. 5 is a cross-sectional view of a drain opening according to one embodiment of the present invention;
FIG. 6 is a schematic view of a drain geotextile arrangement in accordance with an embodiment of the present invention;
FIG. 7 is a schematic view of a structure for reusing accumulated water according to an embodiment of the present invention;
wherein, 1, cushion layer; 2. a waterproof layer; 3. a drain pipe; 31. a main pipeline; 32. a lower layer branch pipe; 33. an upper layer branch pipe; 4. a waterproof protective layer; 5. a base plate; 6. water permeable holes; 7. geotextile; 8. pipe blocking; 9. four-way connection; 10. a tee joint; 11. a water collecting well; 12. automatically starting and stopping the pump; 13. an irrigation pipe; 14. a rotary spraying device; 15. a green belt.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
Example 1
Referring to fig. 1, the embodiment provides a basement waterproof and drainage structure, which includes a concrete cushion layer 1 on the bottom layer, a waterproof layer 2 on the cushion layer 1, and a waterproof protective layer 4 and a basement bottom plate 5 sequentially arranged on the waterproof layer 2; the waterproof protective layer 4 has water permeability, and the inside has preset the horizontal vertical three-dimensional drainage structures who communicates each other and form of drain pipe 3. The three-dimensional drainage structure is provided with one or more main pipelines; the main pipeline 31 is connected with the multi-layer branch pipes through a four-way joint 9 or a three-way joint 10 and finally discharged into a water collecting well 11; the end of the drain pipe 3 is plugged by a pipe plug 8. The distance between the edge of the three-dimensional drainage structure and the shear wall of the basement is 500mm.
As a preferred embodiment, the waterproof layer 4 is pervious concrete and has a thickness of 50mm. For basements with the area smaller than 3 ten thousand square meters, the three-dimensional drainage structure is a single-layer structure. For the basement with the area larger than 3 ten thousand square meters, referring to fig. 2 and fig. 3, the three-dimensional drainage structure is of a two-layer structure, main pipelines of the three-dimensional drainage structure are increased according to the area of the basement, and branch pipes of each layer are uniformly distributed in the transverse direction and the longitudinal direction. The two layers of branch pipes are provided with stacking faults, the horizontal distance between the branch pipes on the same layer is not more than 6m, and the distance of the whole branch pipe in the horizontal direction is not more than 3m. The main pipeline 31 is connected with the lower layer branch pipes 32 at two sides through a four-way joint 9; the main pipe 31 is connected with the upper branch pipe 33 through the tee joint 10 at the part between the adjacent lower branch pipes. It will be appreciated that the lateral and longitudinal spacing between the legs can be adjusted as desired, depending on the size of the basement area. The arrangement of the multi-layer branch pipes can enable water drainage to be more efficient and complete under the condition that the same multiple water drainage pipes are arranged.
Referring to fig. 4, the main pipe and the branch pipes are PVC drain pipes 3 provided with water permeable holes 6; the diameter of the PVC drain pipe 3 is 25mm, and the diameter of the water permeable hole 6 is 8mm. Referring to fig. 5, as a preferred embodiment, 4 water permeable holes 6 are uniformly arranged along the circumference of the pipe at a horizontal distance of 100 to 150mm. It can be understood that the number of the water permeable holes 6 can be adjusted and set according to the abundance degree of the groundwater; and more underground water rich areas are arranged. Referring to fig. 6, the outer surface of the drain pipe 3 is wrapped with geotextile 7.
The construction of the basement waterproof and drainage structure comprises the following steps:
s1, after the construction of the bottom of the foundation pit is finished, constructing a concrete cushion layer 1;
s2, after the strength of the concrete cushion layer 1 meets the requirement, constructing a waterproof layer 2;
step S3, after the construction of the waterproof layer 2 is completed, embedding a three-dimensional drainage structure: the main pipeline is increased according to the area of the basement, the end heads of the branch pipes are plugged by pipe plugs, the joints of the branch pipes and the main pipeline are connected by tee joints or four-way joints, the outside of the pipeline is wrapped by geotextile, and the main pipeline is connected into a sump pit;
and S4, after the three-dimensional drainage structure is installed, constructing a waterproof protective layer 4.
Example 2
The present embodiment provides a basement waterproof and drainage structure, which has a structure and construction steps similar to those of embodiment 1. Different from the embodiment 1, the three-dimensional drainage structure is a three-layer structure, and the three-layer branch pipes are provided with stacking faults. And the pipeline slope of the bottom layer is set to 0.5%.
Example 3
The embodiment provides a basement waterproof and drainage structure, and the structure and the construction steps are similar to those of the embodiment 1. In contrast to embodiment 1, referring to fig. 7, the water in the water collecting well 11 is connected to the ground greening irrigation pipe 13 through the automatic start/stop pump 12. The diameter of the irrigation pipe 13 is 100mm, and the diameter of the branch pipe of the irrigation pipe 13 is 25mm; the branch pipes are 500mm higher than the ground, a rotary spraying device 14 is arranged above the branch pipes, and the spraying radius of the rotary spraying device is adjusted according to the area of the green belt 15. It will be appreciated that the dimensions of the irrigation pipe 13 and its branches may be adjusted according to municipal greening requirements.
In the basement water drainage preventing and discharging structure construction step of the embodiment, after the step S4 is completed, the automatic start-stop pump 12 is installed in the water collecting well 11, and the automatic start-stop pump 12 is connected with the ground greening irrigation pipeline 13.
In conclusion, the application provides a basement water prevention and drainage structure and a construction method thereof. The waterproof and drainage structure comprises a concrete cushion layer at the bottom layer, a waterproof layer on the cushion layer, a waterproof protective layer and a basement bottom plate, wherein the waterproof protective layer and the basement bottom plate are sequentially arranged on the waterproof layer; the waterproof protective layer has water permeability, and a three-dimensional drainage structure formed by the transverse and longitudinal communication of drainage pipes is preset in the waterproof protective layer; the three-dimensional drainage structure is provided with one or more main pipelines; the main pipeline is connected with the multi-layer branch pipes through a four-way or three-way joint and finally discharged into a water collecting well; the end of the branch pipe is plugged by using a pipe plug. The invention solves the problems of water accumulation and water leakage of basements and semi-basements by arranging the three-dimensional drainage structure in the waterproof protective layer and preventing drainage combination, and has the technical effects of stable drainage structure and high drainage efficiency; the technical scheme has the advantages of easily obtained raw materials, convenient construction and high practical value.
Those skilled in the art will appreciate that variations may be implemented by those skilled in the art in combination with the prior art and the above-described embodiments, and will not be described herein in detail. Such variations do not affect the essence of the present invention and are not described herein.
The above description is of the preferred embodiment of the invention. It is to be understood that the invention is not limited to the particular embodiments described above, in which devices and structures not described in detail are understood to be implemented in a manner that is conventional in the art; those skilled in the art can make many possible variations and modifications to the disclosed embodiments, or modify equivalent embodiments to equivalent variations, without departing from the spirit of the invention, using the methods and techniques disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are within the scope of the technical solution of the present invention, unless the technical essence of the present invention is not departed from the content of the technical solution of the present invention.
Claims (10)
1. The utility model provides a basement drainage structures, includes concrete cushion (1) of bottom waterproof layer (2) on cushion (1), its characterized in that: the waterproof layer is sequentially provided with a waterproof protective layer (4) and a basement bottom plate (5); the waterproof protective layer (4) has water permeability, and a three-dimensional drainage structure formed by the transverse and longitudinal communication of the drainage pipes (3) is preset in the waterproof protective layer;
the three-dimensional drainage structure is provided with one or more main pipelines; the main pipeline is connected with a plurality of layers of branch pipes through a four-way joint (9) or a three-way joint (10) and finally discharged into a water collecting well (11); the end of the branch pipe is plugged by a pipe plug (8).
2. The basement waterproofing and drainage structure according to claim 1, wherein said waterproofing and protection layer is pervious concrete and has a thickness of 50mm.
3. The basement drainage structure according to claim 1 or 2, wherein the distance between the edge of the three-dimensional drainage structure and the shear wall of the basement is 500mm; the horizontal distance between the branch pipes in the same layer is not more than 6m.
4. The basement waterproofing and drainage structure according to claim 1 or 2, wherein the main pipe and branch pipe are PVC drainage pipes with water permeable holes (6), and the outer surfaces of the PVC drainage pipes are wrapped with geotextile (7).
5. The basement waterproofing and drainage structure according to claim 4, wherein the PVC drainage pipe has a diameter of 25mm, the water permeable holes have a diameter of 8mm, and the number of the water permeable holes is 4 along the circumference of the pipe, and the horizontal distance is 100-150 mm.
6. The basement drainage structure according to claim 4, wherein the slope of the pipes at the bottom floor is set to 0.5%.
7. The basement drainage structure according to claim 1 or 2, wherein the accumulated water in the water collecting well (11) is connected with a ground greening irrigation pipeline through an automatic starting and stopping pump.
8. The basement drainage structure of claim 7, wherein the diameter of the irrigation pipe is 100mm, the diameter of the branch pipe of the irrigation pipe is 25mm; the branch pipe is 500mm higher than the ground, a rotary spraying device is arranged above the branch pipe, and the spraying radius of the rotary spraying device is adjusted according to the greening area.
9. A construction method of a basement waterproof and drainage structure is characterized in that the construction method of the basement waterproof and drainage structure is carried out according to any one of claims 1 to 5, and comprises the following steps:
s1, after the construction of the bottom of the foundation pit is finished, constructing a concrete cushion;
s2, after the strength of the concrete cushion layer meets the requirement, constructing a waterproof layer;
step S3, after the waterproof layer construction is completed, embedding a three-dimensional drainage structure: the main pipeline is increased according to the area of the basement, the end heads of the branch pipes are plugged by pipe plugs, the joints of the branch pipes and the main pipeline are connected by tee joints or four-way joints, the outside of the pipeline is wrapped by geotextile, and the main pipeline is connected into a sump pit;
and S4, after the three-dimensional drainage structure is installed, constructing a waterproof protective layer.
10. The construction method of the basement water-proof and drainage structure as claimed in claim 9, wherein after the step S4 is completed, an automatic start and stop pump is installed in the sump and connected with the main ground greening irrigation pipe.
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| CN202211534834.1A CN115787747A (en) | 2022-12-02 | 2022-12-02 | Basement water-proof and drainage structure and construction method thereof |
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| CN202211534834.1A CN115787747A (en) | 2022-12-02 | 2022-12-02 | Basement water-proof and drainage structure and construction method thereof |
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| CN104404985A (en) * | 2014-10-08 | 2015-03-11 | 中国十七冶集团有限公司 | Construction method for basement floor post-cast strip waterproofing structure |
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| CN212926119U (en) * | 2020-04-21 | 2021-04-09 | 中建三局集团有限公司 | Novel basement bottom plate and side wall protection drainage system |
| CN113338352A (en) * | 2021-04-30 | 2021-09-03 | 宁波市环湖建设有限公司 | Basement bottom plate waterproof structure and construction method thereof |
| WO2022036806A1 (en) * | 2020-08-21 | 2022-02-24 | 广东美景环境科技有限公司 | Seepage and leakage prevention structure for post-cast strip of basement floor |
| CN114718169A (en) * | 2022-04-11 | 2022-07-08 | 温州市万丰建设工程有限公司 | House building basement waterproof structure and construction method thereof |
| CN114775699A (en) * | 2022-06-01 | 2022-07-22 | 中铁十七局集团建筑工程有限公司 | Post-cast strip structure and construction method thereof |
-
2022
- 2022-12-02 CN CN202211534834.1A patent/CN115787747A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104404985A (en) * | 2014-10-08 | 2015-03-11 | 中国十七冶集团有限公司 | Construction method for basement floor post-cast strip waterproofing structure |
| CN104988955A (en) * | 2015-06-11 | 2015-10-21 | 中建一局集团第六建筑有限公司 | Anti-drainage combined waterproof system for super-deep basements, and construction method |
| CN212926119U (en) * | 2020-04-21 | 2021-04-09 | 中建三局集团有限公司 | Novel basement bottom plate and side wall protection drainage system |
| WO2022036806A1 (en) * | 2020-08-21 | 2022-02-24 | 广东美景环境科技有限公司 | Seepage and leakage prevention structure for post-cast strip of basement floor |
| CN113338352A (en) * | 2021-04-30 | 2021-09-03 | 宁波市环湖建设有限公司 | Basement bottom plate waterproof structure and construction method thereof |
| CN114718169A (en) * | 2022-04-11 | 2022-07-08 | 温州市万丰建设工程有限公司 | House building basement waterproof structure and construction method thereof |
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