CN113605431A - Plugging structure for water collecting pit and construction method thereof - Google Patents
Plugging structure for water collecting pit and construction method thereof Download PDFInfo
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- CN113605431A CN113605431A CN202111092986.6A CN202111092986A CN113605431A CN 113605431 A CN113605431 A CN 113605431A CN 202111092986 A CN202111092986 A CN 202111092986A CN 113605431 A CN113605431 A CN 113605431A
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- plugging
- communicating pipe
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 238000010276 construction Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000004891 communication Methods 0.000 claims description 40
- 230000000903 blocking effect Effects 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 238000007711 solidification Methods 0.000 abstract description 4
- 230000008023 solidification Effects 0.000 abstract description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/10—Restraining of underground water by lowering level of ground water
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Foundations (AREA)
Abstract
The invention relates to a plugging structure for a water collecting pit and a construction method thereof, wherein the plugging structure comprises the following steps: the communicating pipe is fixed on the bottom surface of the sump, and openings are formed at the top and the bottom of the communicating pipe; the cover plate is plugged in the opening at the top of the communicating pipe and is provided with a through hole for inserting the drain pipe; after a concrete structure is poured on the outer side of the communicating pipe, the through hole is plugged by pulling out the drain pipe and installing the plugging plate; and pouring a post-pouring structure formed at the top of the cover plate so as to be connected with the concrete structure to form a bottom plate of the foundation pit and block the water collecting pit. The invention effectively solves the problem of water seepage easily caused when the bottom plate of the foundation pit is constructed, and the drainage channel is reserved when the bottom plate is poured, so that the water can still be drained in the concrete solidification process of the bottom plate, the water stop effect of the foundation pit is improved, the rapid plugging of the water collection pit can be realized, and the construction quality can be ensured.
Description
Technical Field
The invention relates to the field of building construction, in particular to a plugging structure for a sump and a construction method thereof.
Background
During foundation pit construction, generally need be under construction in the foundation pit and form precipitation well in order to carry out precipitation treatment to the foundation pit inside, before pouring the foundation pit bottom plate, this precipitation well of shutoff, however this kind of construction mode is in actual work progress, and the concrete placement volume of bottom plate is big, has the hidden danger to the structural safety of foundation pit, and concrete setting time is long, and construction speed is slower, appears the infiltration problem easily in concrete setting process, and the stagnant water effect is unsatisfactory.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a plugging structure for a water collecting pit and a construction method thereof, solves the problem that water seepage is easy to occur when a bottom plate of the foundation pit is constructed, and can ensure that water can still be drained in the concrete solidification process of the bottom plate by reserving a drainage channel when the bottom plate is poured, so that the water stopping effect of the foundation pit is improved, the rapid plugging of the water collecting pit can be realized, and the construction quality can be ensured.
The technical scheme for realizing the purpose is as follows:
the invention provides a plugging structure for a sump, the sump being formed at the bottom surface of a foundation pit, the plugging structure comprising:
the communicating pipe is fixed on the bottom surface of the sump, and openings are formed at the top and the bottom of the communicating pipe;
the cover plate is plugged in the opening at the top of the communicating pipe and is provided with a through hole for inserting the drain pipe;
after a concrete structure is poured on the outer side of the communicating pipe, the through hole is plugged by pulling out the drain pipe and installing the plugging plate; and
and pouring a post-pouring structure formed at the top of the cover plate so as to be connected with the concrete structure to form a bottom plate of the foundation pit and block the water collecting pit.
According to the invention, the plugging structure for the water collecting pit is adopted, the communicating pipe is arranged at the bottom of the water collecting pit, the drain pipe can extend into the communicating pipe through the through hole for draining water, after the concrete structure outside the communicating pipe is poured, the drain pipe is pulled out and the through hole is plugged by the plugging plate, and then the post-pouring structure is poured and formed at the top of the cover plate so as to be connected with the concrete structure to form the bottom plate of the foundation pit and plug the water collecting pit, so that the water can be drained while the concrete structure is poured, the problem of water seepage easily generated when the bottom plate of the foundation pit is constructed is solved, the drainage channel is reserved when the bottom plate is poured, so that the water can still be drained in the concrete solidification process of the bottom plate, the water stopping effect of the foundation pit is improved, the rapid plugging of the water collecting pit can be realized, and the construction quality can be ensured.
The invention further improves the plugging structure for the water collecting pit, and further comprises a water stopping ring fixed on the outer side wall of the communicating pipe, and after a concrete structure is formed by pouring, the water stopping ring is buried in the concrete structure.
The invention further improves the plugging structure for the water collecting pit, and further comprises a sleeve which corresponds to the through hole and is fixed at the top of the cover plate, the drain pipe extends into the communicating pipe from the sleeve, after the drain pipe is pulled out, the plugging plate is covered at the top of the sleeve to plug the sleeve, and after the post-pouring structure is formed by pouring, the plugging plate and the sleeve are embedded in the post-pouring structure.
The invention further improves the plugging structure for the water collecting pit, and the size of the plugging plate is larger than that of the sleeve.
The plugging structure for the sump of the present invention is further improved in that the size of the through hole is smaller than the size of the opening of the communication pipe.
The invention further improves the plugging structure for the water collecting pit, and after the drain pipe is pulled out, a filling layer is filled in the communicating pipe to fill the water collecting pit.
The invention provides a construction method of a plugging structure for a water collecting pit, which comprises the following steps:
providing a communicating pipe and a cover plate, fixing the communicating pipe on the bottom surface of the water collecting pit, plugging the cover plate on an opening at the top of the communicating pipe, and extending a drain pipe into the communicating pipe from the through hole to drain water outside the foundation pit;
providing a plugging plate, pouring outside the communicating pipe to form a concrete structure, pulling out the drain pipe and installing the plugging plate to plug the through hole;
and pouring the top of the cover plate to form a post-pouring structure so as to be connected with the concrete structure to form a bottom plate of the foundation pit and block the water collecting pit.
The construction method for the plugging structure of the water collecting pit is further improved in that the method further comprises the following steps:
and after a concrete structure is formed by pouring, the drain pipe is pulled out, the interior of the communicating pipe is filled to form a filling layer, and then the through hole is blocked by using the blocking plate.
The construction method for the plugging structure of the water collecting pit is further improved in that a water stop ring is fixed on the outer side wall of the communicating pipe;
after the concrete structure is formed by pouring, the water stop ring is buried in the concrete structure.
The construction method for the plugging structure of the water collecting pit is further improved in that the method further comprises the following steps:
in the bottom of foundation ditch and in the outside ligature bottom plate reinforcing bar of communicating pipe, with communicating pipe and bottom plate reinforcing bar fixed connection, and then pour the concrete in order to form concrete structure in the outside of communicating pipe, the bottom plate reinforcing bar is buried underground in concrete structure.
Drawings
Fig. 1 is a half sectional view of a plugging structure for a sump according to the present invention in the form of a concrete structure.
Fig. 2 is a half-sectional view of the plugging structure for a sump according to the present invention when forming a post-cast structure.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Referring to fig. 1, the invention provides a plugging structure for a sump, a communicating pipe is arranged at the bottom of the sump, a drain pipe can extend into the communicating pipe through a through hole to drain water, after a concrete structure outside the communicating pipe is poured, the drain pipe is pulled out and the through hole is plugged by a plugging plate, and then a post-pouring structure is poured and formed at the top of a cover plate to be connected with the concrete structure to form a bottom plate of the foundation pit and plug the sump, so that drainage can be realized while the concrete structure is poured and formed, the problem that water seepage easily occurs when the bottom plate of the foundation pit is constructed is solved, a drainage channel is reserved when the bottom plate is poured, so that water can still be drained in the concrete solidification process of the bottom plate, the water stopping effect of the foundation pit is improved, quick plugging of the sump can be realized, and the construction quality can be ensured. The following describes the plugging structure for a sump according to the present invention with reference to the accompanying drawings.
Referring to fig. 1, fig. 1 is a half sectional view of a plugging structure for a sump according to the present invention in the form of a concrete structure. The plugging structure for a sump according to the present invention will be described with reference to fig. 1.
As shown in fig. 1 and 2, the present invention provides a plugging structure for a sump, the sump being formed at a bottom surface of a foundation pit, the plugging structure comprising:
the communicating pipe 11 is fixed on the bottom surface of the sump, and openings are formed at the top and the bottom of the communicating pipe 11;
a cover plate 12 for plugging the opening at the top of the communication pipe 11, wherein the cover plate 12 is provided with a through hole for inserting the drainage pipe 21 so as to pump out the accumulated water in the communication pipe 11 to the outside of the foundation pit;
a plugging plate 13 for plugging the through hole, after a concrete structure 22 is formed by pouring on the outer side of the communication pipe 11, the through hole is plugged by pulling out the drain pipe 21 and installing the plugging plate 13; and
the post-cast structure 14 formed on top of the cover plate 12 is cast to connect with the concrete structure 22 to form the floor of the foundation pit and to block the pit.
Specifically, the size of the through hole is smaller than the size of the opening of communication pipe 11.
Preferably, the post-cast structure 14 has an inverted trapezoidal vertical cross-section.
In a preferred embodiment of the present invention, the present invention further includes a water stop ring 111 fixed to an outer side wall of the communication pipe 11, and after the concrete structure 22 is formed by casting, the water stop ring 111 is embedded in the concrete structure 22.
Preferably, the communication pipe 11 has a rectangular cross section, and the water stop ring 111 has a rectangular ring shape.
Further, the water draining pipe 21 extends into the communicating pipe 11 from the sleeve 121, after the water draining pipe 21 is pulled out, the blocking plate 13 covers the top of the sleeve 121 to block the sleeve 121, and after the post-pouring structure 14 is formed by pouring, the blocking plate 13 and the sleeve 121 are embedded in the post-pouring structure 14.
Specifically, the size of the blocking plate 13 is larger than that of the sleeve 121.
Further, after the drain pipe 21 is pulled out, the communication pipe 11 is filled with a filling layer to fill the sump.
Preferably, the filling layer is formed by filling the substrate with a plugging agent.
The specific embodiment of the invention is as follows:
after the construction of the bed course of the foundation pit is finished, the communicating pipe 11 is placed on the bed course, the communicating pipe 11 is positioned at the bottom surface of the water collecting pit and can be placed at the position where the leakage points are concentrated, a bottom plate reinforcing steel bar is bound on the bottom surface of the foundation pit and positioned at the outer side of the communicating pipe 11, the communicating pipe 11 is fixedly connected with the bottom plate reinforcing steel bar, and therefore the position of the communicating pipe 11 is fixed;
the cover plate 12 is plugged in the opening at the top of the communication pipe 11, the drain pipe 21 extends into the communication pipe 11 from the sleeve 121 and the through hole, and accumulated water in the communication pipe 11 is drained by using the drain pipe 21;
a concrete structure 22 is formed by pouring on the bottom surface of the foundation pit on the outer side of the communication pipe 11, and the bottom plate steel bars and the water stop ring 111 on the outer side of the communication pipe 11 are both embedded in the concrete structure 22, at this time, a concave space is formed on the top surface of the cover plate 12, and the vertical section of the concave space is in an inverted trapezoid shape;
if the water amount in the communication pipe 11 is not large, the drain pipe 21 can be drawn out, and the plugging agent is filled into the communication pipe 11 from the sleeve 121 and the through hole to form a filling layer, so that the communication pipe 11 is filled, and then the plugging plate 13 is installed at the top of the sleeve 121 to plug the sleeve 121;
if the water quantity in the communication pipe 11 is larger, the part of the drain pipe 21 extending out of the sleeve 121 can be directly cut off, and the blocking plate 13 is directly installed on the top of the sleeve 121 to block the sleeve 121;
concrete is poured into the recessed space at the top of the cover plate 12 to form a post-cast structure 14, the top surface of the post-cast structure 14 is flush with the top surface of the concrete structure 22, and is connected with the concrete structure 22 to form the bottom plate of the foundation pit, and the water collection pit is blocked.
The invention relates to a construction method of a plugging structure for a sump, which comprises the following steps:
providing a communication pipe 11 and a cover plate 12, fixing the communication pipe 11 on the bottom surface of the sump, plugging the cover plate 12 on the opening at the top of the communication pipe 11, and extending a drain pipe 21 into the communication pipe 11 from the through hole to drain water outside the foundation pit;
providing a plugging plate 13, pouring the outer side of the communication pipe 11 to form a concrete structure 22, pulling out the drain pipe 21 and installing the plugging plate 13 to plug the through hole;
a post-cast structure 14 is cast on top of the cover plate 12 to connect with the concrete structure 22 to form the floor of the foundation pit and to block the pit.
Specifically, a water stop ring 111 is fixed on the outer side wall of the communication pipe 11;
after the concrete structure 22 is formed by casting, the water stop ring 111 is embedded in the concrete structure 22.
Further, the method also comprises the following steps:
after the concrete structure 22 is formed by pouring, the drain pipe 21 is pulled out and the inside of the communication pipe 11 is filled to form a filling layer, and the through hole is closed by the closing plate 13.
Further, the method also comprises the following steps:
binding bottom plate reinforcing steel bars at the bottom of the foundation pit and outside the communication pipe 11, fixedly connecting the communication pipe 11 with the bottom plate reinforcing steel bars, further pouring concrete outside the communication pipe 11 to form a concrete structure 22, and embedding the bottom plate reinforcing steel bars in the concrete structure 22.
The specific construction method of the invention is as follows:
after the construction of the bed course of the foundation pit is finished, the communicating pipe 11 is placed on the bed course, the communicating pipe 11 is positioned at the bottom surface of the water collecting pit and can be placed at the position where the leakage points are concentrated, a bottom plate reinforcing steel bar is bound on the bottom surface of the foundation pit and positioned at the outer side of the communicating pipe 11, the communicating pipe 11 is fixedly connected with the bottom plate reinforcing steel bar, and therefore the position of the communicating pipe 11 is fixed;
the cover plate 12 is plugged in the opening at the top of the communication pipe 11, the drain pipe 21 extends into the communication pipe 11 from the sleeve 121 and the through hole, and accumulated water in the communication pipe 11 is drained by using the drain pipe 21;
a concrete structure 22 is formed by pouring on the bottom surface of the foundation pit on the outer side of the communication pipe 11, and the bottom plate steel bars and the water stop ring 111 on the outer side of the communication pipe 11 are both embedded in the concrete structure 22, at this time, a concave space is formed on the top surface of the cover plate 12, and the vertical section of the concave space is in an inverted trapezoid shape;
if the water amount in the communication pipe 11 is not large, the drain pipe 21 can be drawn out, and the plugging agent is filled into the communication pipe 11 from the sleeve 121 and the through hole to form a filling layer, so that the communication pipe 11 is filled, and then the plugging plate 13 is installed at the top of the sleeve 121 to plug the sleeve 121;
if the water quantity in the communication pipe 11 is larger, the part of the drain pipe 21 extending out of the sleeve 121 can be directly cut off, and the blocking plate 13 is directly installed on the top of the sleeve 121 to block the sleeve 121;
concrete is poured into the recessed space at the top of the cover plate 12 to form a post-cast structure 14, the top surface of the post-cast structure 14 is flush with the top surface of the concrete structure 22, and is connected with the concrete structure 22 to form the bottom plate of the foundation pit, and the water collection pit is blocked.
While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.
Claims (10)
1. A blocking structure for a sump, the sump being formed at a bottom surface of a foundation pit, characterized in that the blocking structure comprises:
the communicating pipe is fixed on the bottom surface of the sump, and openings are formed at the top and the bottom of the communicating pipe;
the cover plate is plugged at the opening at the top of the communicating pipe and is provided with a through hole for inserting a drain pipe;
the plugging plate is used for plugging the through hole, and after a concrete structure is poured on the outer side of the communicating pipe, the through hole is plugged by pulling out the drain pipe and installing the plugging plate; and
and pouring a post-pouring structure formed at the top of the cover plate so as to be connected with the concrete structure to form a bottom plate of the foundation pit and block the water collecting pit.
2. The plugging structure for a sump according to claim 1, further comprising a water stop ring fixed to an outer side wall of the communication pipe, wherein the water stop ring is embedded in the concrete structure after the concrete structure is formed by casting.
3. The plugging structure for a sump according to claim 1, further comprising a sleeve fixed to the top of the cover plate corresponding to the through hole, wherein the drain pipe extends from the sleeve into the communicating pipe, after the drain pipe is pulled out, the plugging plate covers the top of the sleeve to plug the sleeve, and after the post-cast structure is formed by pouring, the plugging plate and the sleeve are buried in the post-cast structure.
4. A plugging structure for a sump according to claim 3, wherein the size of the plugging plate is larger than the size of the casing.
5. A plugging structure for a sump according to claim 1, wherein a size of the through-hole is smaller than a size of an opening of the communication pipe.
6. The plugging structure for a sump according to claim 1, wherein after the drain pipe is pulled out, a filling layer is filled in the communication pipe to fill the sump.
7. A construction method of a plugging structure for a sump according to claim 1, comprising the steps of:
providing the communicating pipe and the cover plate, fixing the communicating pipe on the bottom surface of the sump pit, plugging the cover plate on an opening at the top of the communicating pipe, and extending the drain pipe into the communicating pipe from the through hole to drain water outside the foundation pit;
providing the plugging plate, pouring the outer side of the communicating pipe to form a concrete structure, pulling out the drain pipe and installing the plugging plate to plug the through hole;
and pouring the top of the cover plate to form a post-pouring structure so as to be connected with the concrete structure to form a bottom plate of the foundation pit and block the water collecting pit.
8. The method of constructing a plugging structure for a sump according to claim 7, further comprising:
and after the concrete structure is poured, the drain pipe is pulled out, the interior of the communicating pipe is filled to form a filling layer, and the through hole is plugged by the plugging plate.
9. The construction method of the plugging structure for the sump according to claim 7, wherein a water stop ring is fixed to an outer side wall of the communication pipe;
and after the concrete structure is formed by pouring, the water stop ring is buried in the concrete structure.
10. The method of constructing a plugging structure for a sump according to claim 7, further comprising:
binding a bottom plate steel bar at the bottom of the foundation pit and at the outer side of the communicating pipe, fixedly connecting the communicating pipe with the bottom plate steel bar, further pouring concrete at the outer side of the communicating pipe to form the concrete structure, and embedding the bottom plate steel bar in the concrete structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111092986.6A CN113605431A (en) | 2021-09-17 | 2021-09-17 | Plugging structure for water collecting pit and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111092986.6A CN113605431A (en) | 2021-09-17 | 2021-09-17 | Plugging structure for water collecting pit and construction method thereof |
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| Publication Number | Publication Date |
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| CN113605431A true CN113605431A (en) | 2021-11-05 |
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| CN202111092986.6A Pending CN113605431A (en) | 2021-09-17 | 2021-09-17 | Plugging structure for water collecting pit and construction method thereof |
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| CN106567397A (en) * | 2016-11-10 | 2017-04-19 | 河北二十冶建设有限公司 | Method and device for controlling underground water of deep foundation pit |
| CN109723071A (en) * | 2019-02-23 | 2019-05-07 | 杭州昂创科技有限公司 | The construction method of the double-deck steel drum Yield rainfall relation system built in basement bottom plate rear pouring tape |
| CN210712963U (en) * | 2019-07-23 | 2020-06-09 | 中国建筑第八工程局有限公司 | Drainage structure of basement bottom plate post-cast strip |
| CN111441374A (en) * | 2020-01-14 | 2020-07-24 | 中建六局建设发展有限公司 | Quick plugging construction method for high-water-pressure deep foundation pit dewatering well |
| CN112779919A (en) * | 2021-01-08 | 2021-05-11 | 新城控股集团股份有限公司 | Sand-free concrete dewatering well plugging structure and construction process thereof |
-
2021
- 2021-09-17 CN CN202111092986.6A patent/CN113605431A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201567582U (en) * | 2009-12-29 | 2010-09-01 | 中建城市建设发展有限公司 | Rainwater saving device of foundation pit |
| CN204690767U (en) * | 2015-05-21 | 2015-10-07 | 中铁四局集团有限公司 | A kind of Novel water collection sleeve pipe for deep foundation ditch and water feeding and draining device |
| CN106320353A (en) * | 2016-07-18 | 2017-01-11 | 中天建设集团有限公司 | Basement construction dewatering and drainage device and construction method thereof |
| CN106400822A (en) * | 2016-09-23 | 2017-02-15 | 山东金城建设有限公司 | Construction method for shutting deep foundation pit precipitation well |
| CN106567397A (en) * | 2016-11-10 | 2017-04-19 | 河北二十冶建设有限公司 | Method and device for controlling underground water of deep foundation pit |
| CN109723071A (en) * | 2019-02-23 | 2019-05-07 | 杭州昂创科技有限公司 | The construction method of the double-deck steel drum Yield rainfall relation system built in basement bottom plate rear pouring tape |
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Application publication date: 20211105 |
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