CN220394655U - Basement bottom plate post-cast strip antiseep structure - Google Patents
Basement bottom plate post-cast strip antiseep structure Download PDFInfo
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- CN220394655U CN220394655U CN202320856919.5U CN202320856919U CN220394655U CN 220394655 U CN220394655 U CN 220394655U CN 202320856919 U CN202320856919 U CN 202320856919U CN 220394655 U CN220394655 U CN 220394655U
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- post
- cast strip
- ditch
- drainage
- bottom plate
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- 229920003023 plastic Polymers 0.000 claims abstract description 51
- 239000004033 plastic Substances 0.000 claims abstract description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 39
- 239000010959 steel Substances 0.000 claims abstract description 39
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 17
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 19
- 239000004567 concrete Substances 0.000 claims description 18
- 230000002265 prevention Effects 0.000 claims description 6
- 230000004888 barrier function Effects 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Abstract
The utility model relates to the technical field of constructional engineering, in particular to a basement bottom plate post-pouring belt anti-seepage structure, which comprises a post-pouring belt, a reinforced concrete anti-seepage layer and drainage ditches which are sequentially arranged from top to bottom, wherein a plurality of rectangular plastic blind ditches are arranged in the drainage ditches, each plastic blind ditch is sequentially attached to one side of the drainage ditches to the other side of the drainage ditches, reinforced steel frames for keeping the shape of each plastic blind ditch fixed are arranged in each plastic blind ditch, the end parts of each plastic blind ditch are communicated with a building drainage system, the surface opening rate of each plastic blind ditch is high, and the water collection performance is good; in addition, the water flow is unobstructed when flowing along the axial direction of the drainage ditch, so that the flow resistance of the water in the drainage ditch along the length direction of the drainage ditch is reduced; the arrangement of the reinforced steel frame ensures that the plastic blind ditch can provide enough supporting force for the reinforced concrete impermeable layer.
Description
Technical Field
The utility model relates to the technical field of constructional engineering, in particular to a basement bottom plate post-pouring belt anti-leakage structure.
Background
In cast-in-situ integral reinforced concrete structures of high-rise houses, public buildings and overlength structures, a post-pouring belt is required to be left. The basement bottom plate post-cast strip often has the water leakage phenomenon because of abundant groundwater, and the later maintenance cost is high. The existing bottom plate post-cast strip forms mainly comprise a general type post-cast strip and a sinking type post-cast strip, wherein the thickness of the general type post-cast strip is consistent with that of other bottom plates, and only a steel plate water stop strip is arranged.
The sinking type post-pouring belt is sunk at the position of the post-pouring belt by a certain depth, and the sunk position is used for draining water, so that the anti-cracking and waterproof effects of the sinking type post-pouring belt are greatly improved compared with those of the general post-pouring belt. The Chinese patent with the issued publication number of CN217078822U discloses a basement post-pouring strip waterproof structure, wherein a reinforced concrete impermeable layer is arranged below the post-pouring strip, a drainage ditch is arranged below the reinforced concrete impermeable layer, the end part of the drainage ditch is communicated with a building drainage pipeline, a drainage mechanism is arranged in the drainage ditch, the drainage mechanism comprises a cobble layer, a coarse sand gravel layer and a fine sand layer which are sequentially arranged from bottom to top, and the drainage mechanism not only can realize drainage, but also can provide certain supporting force for the reinforced concrete impermeable layer; however, the stone is fully paved in the drainage ditch, and when water flows along the length direction of the drainage ditch, the flowing resistance is large, and particularly, the drainage effect of the drainage mechanism is poor due to the fact that the water flows at the middle part which is far away from the end part of the drainage ditch.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: at present, the waterproof structure of basement post-cast strip has poor drainage effect.
In order to solve the technical problems, the utility model aims to provide a method for manufacturing a semiconductor device
Compared with the prior art, the utility model has the beneficial effects that:
the utility model relates to a basement bottom plate post-pouring belt anti-seepage structure, which comprises a post-pouring belt, a reinforced concrete anti-seepage layer and drainage ditches which are sequentially arranged from top to bottom, wherein a plurality of rectangular plastic blind ditches are arranged in the drainage ditches, each plastic blind ditch is sequentially attached to the other side of the drainage ditches from one side of the drainage ditches, each plastic blind ditch is internally provided with a reinforced steel frame for keeping the shape of each plastic blind ditch fixed, the end part of each plastic blind ditch is communicated with a building drainage system, the surface aperture ratio of each plastic blind ditch is high, and the water collection performance is good; in addition, the water flow is unobstructed when flowing along the axial direction of the drainage ditch, so that the flow resistance of the water in the drainage ditch along the length direction of the drainage ditch is reduced; the arrangement of the reinforced steel frame ensures that the plastic blind ditch can provide enough supporting force for the reinforced concrete impermeable layer.
Drawings
FIG. 1 is a cross-sectional view of a basement floor post-cast strip leakage prevention structure of the present utility model;
FIG. 2 is an isometric view of a reinforced steel frame;
100, basement bottom plate; 1. post-cast strip; 2. a reinforced concrete impermeable layer; 3. a drainage ditch; 4. a plastic blind drain; 5. reinforcing a steel frame; 51. connecting steel bars; 52. annular steel bars; 53. x-shaped supporting steel bars; 531. a first support bar; 532. a second support bar; 6. a first steel plate water stop; 7. and a second steel plate water stop.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "top", "bottom", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. It should be understood that the terms "first," "second," and the like are used herein to describe various information, but such information should not be limited to these terms, which are used merely to distinguish one type of information from another. For example, a "first" message may also be referred to as a "second" message, and similarly, a "second" message may also be referred to as a "first" message, without departing from the scope of the utility model.
As shown in fig. 1 and 2, a preferred embodiment of the basement bottom plate post-cast strip anti-seepage structure comprises a post-cast strip 1, a reinforced concrete anti-seepage layer 2 and a drainage ditch 3 which are sequentially arranged from top to bottom, wherein a plurality of rectangular plastic blind ditches 4 are arranged in the drainage ditch 3, each plastic blind ditch 4 is sequentially attached to one side of the drainage ditch 3 and is arranged on the other side of the drainage ditch 3, the end parts of each plastic blind ditch 4 are communicated with a building drainage system, and reinforced steel frames 5 for keeping the shape of each plastic blind ditch 4 fixed are arranged in each plastic blind ditch 4. The surface aperture ratio of the plastic blind drain 4 is high, and the water collection property is good; in addition, the water flow is unobstructed when flowing along the axial direction of the drainage ditch 3, so that the flowing resistance of the water in the drainage ditch 3 along the length direction of the drainage ditch 3 is reduced; the provision of the reinforcing steel frame 5 ensures that the plastic blind drain 3 can provide sufficient supporting force to the reinforced concrete barrier layer 2.
Each reinforcing steel frame 5 comprises a plurality of connecting steel bars 51 and a plurality of annular steel bars 52, each connecting steel bar 51 of the same reinforcing steel frame 5 is arranged parallel to the length direction of the corresponding plastic blind ditch 4, each connecting steel bar 51 of the same reinforcing steel frame 5 is arranged at intervals around the axis of the corresponding plastic blind ditch 4 and surrounds the corresponding plastic blind ditch 4 to form a quadrangular structure, each annular steel bar 52 of the same reinforcing steel frame 5 is arranged at intervals along the length direction of the corresponding plastic blind ditch 4, and each annular steel bar 52 of the same reinforcing steel frame 5 is fixed on the outer side of the quadrangular structure.
Further, each reinforcing steel frame 5 includes a plurality of X-shaped supporting bars 53, each X-shaped supporting bar 53 is arranged at intervals along the length direction of the reinforcing steel frame 5, and four vertexes of each X-shaped supporting bar 53 are fixedly connected with four edges of the quadrangular structure respectively.
In this embodiment, each of the X-shaped support bars 53 includes a first support bar 531 and a second support bar 532 arranged to cross, and the middle portions of the first support bar 531 and the second support bar 532 are welded.
To ensure the drainage flow, the width of the drainage ditch 3 in this embodiment is larger than the width of the post-cast strip 1. In other embodiments of the utility model, the width of the drain 3 may be less than the width of the post-cast strip 1.
In order to prevent water flow from seeping out from the joint between the post-cast strip and the basement bottom plate 100, the middle part of the left side of the post-cast strip 1 is provided with a first steel plate water stop 6, the middle part of the right side of the post-cast strip 1 is provided with a second steel plate water stop 7, and the first steel plate water stop 6 and the second steel plate water stop 7 extend along the length direction of the drainage ditch 3. Further, the concrete used for the post-cast strip 1 is expansive concrete.
In this embodiment, basement bottom plate post-cast strip antiseep structure includes the sump pit, and the tip of escape canal 3 communicates with the upper portion of sump pit, and the lower part of sump pit communicates with building drainage system. If the drainage ditch is directly communicated with the drainage pipeline of the building system, when the drainage flow in the drainage pipeline of the building system is large in a certain period of time, water in the water collecting ditch cannot be discharged in time, and the water collecting well in the embodiment plays a role in buffering, so that the drainage pipeline of the clearance system can discharge water flow discharged from the plastic blind ditch in a peak-shifting manner.
The construction process of the basement bottom plate post-pouring belt anti-seepage structure of the embodiment is as follows:
the method comprises the steps of basement bottom plate earthwork excavation, installing each plastic blind ditch 3, pouring reinforced concrete impermeable layers 2, binding reinforcing bars, installing templates, pouring reinforced concrete bottom plates, installing a first steel plate water stop 6 and a second steel plate water stop 7, pouring a post-pouring belt 1 and curing the post-pouring belt 1 concrete.
The operation main points in the construction process are that when the earth of the basement bottom plate is excavated, the position of the post-cast strip is over excavated to the required depth, and each side of the excavation width exceeds 300mm to 500mm of the post-cast strip. When each plastic blind ditch 3 is installed, the plastic blind ditches 3 are longitudinally arranged along the drainage ditch, the plastic blind ditches are formed by wrapping filter cloth outside a plastic core body, and the plastic blind ditches 3 are rectangular plastic blind ditches with the thickness of 300mm multiplied by 300mm or 400mm multiplied by 400 mm. The impervious concrete is adopted when the reinforced concrete impervious layer 2 is poured; when the post-cast strip 1 is poured, the pouring time of the post-cast strip needs to meet the design requirement, generally, after 60 days after the bottom plate concrete pouring is finished, the post-cast strip concrete is not poured, the protection reinforcing steel bar measures are applied, the reinforcing steel bars can be covered by templates, the reinforcing steel bars at the post-cast strip position need to be adjusted and derusting treatment. Before pouring concrete, the post-pouring belt should be cleaned of surface floating paste and sundries, and the surface is roughened and then the concrete surface is cleaned. Before casting concrete, firstly paving clean mortar, and then paving cement mortar with the thickness of 30mm to 50mm and the thickness of 1:1, or brushing a concrete interface treating agent. The post-cast strip adopts micro-expansive concrete, and the concrete strength grade of the post-cast strip is one level higher than that of the member concrete. When the post-cast strip concrete is cured, the post-cast strip is covered within 12 hours after being poured, the moisture is preserved, the curing time is not less than 28 days, and watering is not needed when the average daily air temperature is lower than 5 ℃. It is not necessary to pedal or perform other operations on the concrete before the concrete strength reaches 1.2N/mm < 2 >. Before the post-pouring belt is not poured, water collecting wells are arranged at two ends of the drainage ditch, and water in the plastic blind ditch is drained to the water collecting wells, so that water accumulation of the post-pouring belt is avoided.
In summary, the preferred embodiment of the basement bottom plate post-pouring belt anti-seepage structure comprises a post-pouring belt 1, a reinforced concrete anti-seepage layer 2 and a drainage ditch 3 which are sequentially arranged from top to bottom, wherein a plurality of rectangular plastic blind ditches 4 are arranged in the drainage ditch 3, the plastic blind ditches 4 are sequentially attached to one side of the drainage ditch 3 to the other side of the drainage ditch 3, the end parts of the plastic blind ditches 4 are communicated with a building drainage system, and reinforced steel frames 5 for keeping the shapes of the plastic blind ditches 4 fixed are arranged in the plastic blind ditches 4. The surface aperture ratio of the plastic blind drain 4 is high, and the water collection property is good; in addition, the water flow is unobstructed when flowing along the axial direction of the drainage ditch 3, so that the flowing resistance of the water in the drainage ditch 3 along the length direction of the drainage ditch 3 is reduced; the provision of the reinforcing steel frame 5 ensures that the plastic blind drain 3 can provide sufficient supporting force to the reinforced concrete barrier layer 2.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.
Claims (8)
1. The utility model provides a basement bottom plate post-cast strip antiseep structure, its characterized in that, includes post-cast strip (1), reinforced concrete barrier layer (2) and escape canal (3) that set gradually from last to down, be equipped with in escape canal (3) and be a plurality of plastics blind ditches (4) that rectangle, each plastics blind ditches (4) follow one side of escape canal (3) is laminated in proper order and is arranged to the opposite side of escape canal (3), each the tip of plastics blind ditches (4) all communicates with building drainage system, each all be equipped with in plastics blind ditches (4) and be used for making each reinforcing steelframe (5) that the shape of plastics blind ditches (4) remains fixedly.
2. The basement bottom plate post-pouring strip antiseep structure according to claim 1, wherein each reinforcing steel frame (5) comprises a plurality of connecting steel bars (51) and a plurality of annular steel bars (52), each connecting steel bar (51) of the same reinforcing steel frame (5) is arranged parallel to the length direction of the corresponding plastic blind ditch (4), each connecting steel bar (51) of the same reinforcing steel frame (5) is arranged at intervals around the axis of the corresponding plastic blind ditch (4) and surrounds the corresponding plastic blind ditch to form a quadrangular structure, each annular steel bar (52) of the same reinforcing steel frame (5) is arranged at intervals along the length direction of the corresponding plastic blind ditch (4), and each annular steel bar (52) of the same reinforcing steel frame (5) is fixed on the outer side of the quadrangular structure.
3. The basement bottom plate post-cast strip antiseep structure according to claim 2, wherein each of the reinforcing steel frames (5) comprises a plurality of X-shaped supporting steel bars (53), each of the X-shaped supporting steel bars (53) is arranged at intervals along the length direction of the reinforcing steel frame (5), and four vertexes of each of the X-shaped supporting steel bars (53) are fixedly connected with four edges of the quadrangular structure, respectively.
4. A basement floor post-cast strip leakage prevention structure according to claim 3, characterized in that each of the X-shaped support bars (53) comprises a first support bar (531) and a second support bar (532) arranged crosswise, the middle portions of the first support bar (531) and the second support bar (532) being welded.
5. The basement floor post-cast strip leakage prevention structure according to claim 1, characterized in that the width of the drainage ditch (3) is larger than the width of the post-cast strip (1).
6. The basement bottom plate post-cast strip antiseep structure according to claim 1, wherein a first steel plate water stop (6) is arranged in the middle of the left side of the post-cast strip (1), a second steel plate water stop (7) is arranged in the middle of the right side of the post-cast strip (1), and the first steel plate water stop (6) and the second steel plate water stop (7) both extend along the length direction of the drainage ditch (3).
7. The basement bottom plate post-cast strip leakage prevention structure according to claim 1, wherein the basement bottom plate post-cast strip leakage prevention structure comprises a water collecting well, an end of the water drainage ditch (3) is communicated with an upper portion of the water collecting well, and a lower portion of the water collecting well is communicated with the building drainage system.
8. The basement bottom plate post-cast strip leakage prevention structure according to claim 1, wherein the concrete used for the post-cast strip (1) is expansive concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320856919.5U CN220394655U (en) | 2023-04-17 | 2023-04-17 | Basement bottom plate post-cast strip antiseep structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320856919.5U CN220394655U (en) | 2023-04-17 | 2023-04-17 | Basement bottom plate post-cast strip antiseep structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220394655U true CN220394655U (en) | 2024-01-26 |
Family
ID=89598140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320856919.5U Active CN220394655U (en) | 2023-04-17 | 2023-04-17 | Basement bottom plate post-cast strip antiseep structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220394655U (en) |
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2023
- 2023-04-17 CN CN202320856919.5U patent/CN220394655U/en active Active
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