CN219862992U - Seepage-proofing plugging structure of foundation pit dewatering well - Google Patents
Seepage-proofing plugging structure of foundation pit dewatering well Download PDFInfo
- Publication number
- CN219862992U CN219862992U CN202321377037.7U CN202321377037U CN219862992U CN 219862992 U CN219862992 U CN 219862992U CN 202321377037 U CN202321377037 U CN 202321377037U CN 219862992 U CN219862992 U CN 219862992U
- Authority
- CN
- China
- Prior art keywords
- dewatering well
- foundation pit
- post
- shutoff
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 239000004567 concrete Substances 0.000 claims abstract description 17
- 230000002265 prevention Effects 0.000 claims abstract description 4
- 238000007569 slipcasting Methods 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 7
- 239000003651 drinking water Substances 0.000 claims description 6
- 235000020188 drinking water Nutrition 0.000 claims description 6
- 239000011150 reinforced concrete Substances 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 10
- 238000001556 precipitation Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The utility model relates to an anti-seepage plugging structure of a foundation pit dewatering well, which comprises a dewatering well body and a foundation pit body, wherein a plugging assembly is arranged on the foundation pit body, the plugging assembly comprises a concrete layer arranged in the foundation pit body, an embedded grouting steel pipe is arranged in the foundation pit body, a valve is fixedly connected to the outer side of the embedded grouting steel pipe, a waterproof layer is arranged in the concrete layer, a post-pouring strip is arranged at the top of the waterproof layer, a bottom plate is arranged in the post-pouring strip, and reserved steel bars are arranged in the post-pouring strip. This prevention of seepage plugging structure of foundation ditch dewatering well has realized the purpose with the firm shutoff of dewatering well body through setting up the shutoff subassembly, and impervious performance is good moreover, can effectively reduce the problem that the seepage appears after the shutoff of dewatering well body, adopts multilayer waterproof construction simultaneously, and waterproof performance is excellent, applicable in the shutoff of the great foundation ditch of water yield confined or aquifer dewatering well.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to an anti-seepage plugging structure of a foundation pit dewatering well.
Background
Along with the rapid development of the building industry, high-rise and super-high-rise buildings are more and more, deep foundation pit precipitation is more and more common, and after the construction of an underground structure and an overground structure is completed, a basement house and a foundation pit are required to be backfilled, and a precipitation well is required to be plugged before backfilling.
In foundation pit engineering, in order to ensure safe construction operation of construction machinery and workers in a foundation pit, groundwater is generally reduced to below 0.5-1m of a construction working surface, a dewatering well is arranged at the periphery of a deep foundation pit, so that the dewatering effect of the foundation pit with large area and large foundation pit span is poor, the dewatering well in the foundation pit is required to be arranged at a proper position of the deep foundation pit according to the geological survey data, and is blocked, at present, the dewatering well in the foundation pit is blocked by a mounting flange, but the existing flange blocking method is poor in blocking effect, leakage easily occurs after blocking, secondary blocking is needed, time and labor are wasted, the construction cost is greatly increased, the quality and the effect of the secondary blocking are difficult to ensure, and therefore, the anti-seepage blocking structure of the dewatering well in the foundation pit is provided to solve the problem.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides an anti-seepage plugging structure of a foundation pit dewatering well, which has the advantages of good plugging effect and the like, and solves the problems that the plugging effect is poor in application, leakage is easy to occur after plugging, and secondary plugging is required.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the anti-seepage plugging structure of the foundation pit dewatering well comprises a dewatering well body and a foundation pit body, wherein a plugging assembly is arranged on the foundation pit body;
the shutoff subassembly includes the concrete layer that sets up inside foundation ditch body, the inside of foundation ditch body is provided with pre-buried slip casting steel pipe, the outside fixedly connected with valve of pre-buried slip casting steel pipe, the inside of concrete layer is provided with the waterproof layer, the top of waterproof layer is provided with post-cast strip, the inside of post-cast strip is provided with the bottom plate, the inside of post-cast strip is provided with reserved reinforcing bar, the top fixedly connected with shutoff layer of post-cast strip, the interior bottom wall fixed mounting of precipitation well body has the water pump.
Further, the plugging layer is formed by pouring reinforced concrete.
Further, the waterproof layer is a waterproof coiled material.
Further, the embedded grouting steel pipe is a hot-rolled seamless steel pipe.
Further, the back fixedly connected with inlet tube of water pump, the top fixedly connected with drinking-water pipe of water pump, drinking-water pipe one end extends to the outside of foundation ditch body.
Further, the concrete layer is formed by casting C20 concrete.
Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:
this prevention of seepage plugging structure of foundation ditch dewatering well has realized the purpose with the firm shutoff of dewatering well body through setting up the shutoff subassembly, and impervious performance is good moreover, can effectively reduce the problem that the seepage appears after the shutoff of dewatering well body, adopts multilayer waterproof construction simultaneously, and waterproof performance is excellent, applicable in the shutoff of the great foundation ditch of water yield confined or aquifer dewatering well.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model.
In the figure: 1 dewatering well body, 2 foundation ditch body, 3 concrete layer, 4 steel pipes, 5 valves, 6 waterproof layers, 7 post-pouring strips, 8 bottom plates, 9 reserved steel bars, 10 plugging layers, 11 water pumps and 12 water pumping pipes.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, an anti-seepage plugging structure for a dewatering well of a foundation pit in this embodiment includes a dewatering well body 1 and a foundation pit body 2, and a plugging assembly is disposed on the foundation pit body 2.
The shutoff subassembly includes the concrete layer 3 that sets up inside foundation ditch body 2, the inside of foundation ditch body 2 is provided with pre-buried slip casting steel pipe 4, pre-buried slip casting steel pipe 4 is hot rolling seamless steel pipe, the outside fixedly connected with valve 5 of pre-buried slip casting steel pipe 4, the inside of concrete layer 3 is provided with waterproof layer 6, the top of waterproof layer 6 is provided with post-cast strip 7, concrete layer 3 and post-cast strip 7 are C20 concrete placement and form, waterproof layer 6 is waterproofing membrane, the inside of post-cast strip 7 is provided with bottom plate 8, the inside of post-cast strip 7 is provided with reserved reinforcing bar 9, the top fixedly connected with shutoff layer 10 of post-cast strip 7, the shutoff layer 10 is the reinforced concrete placement and forms, the interior bottom wall fixed mounting of precipitation well body 1 has water pump 11, the back fixedly connected with inlet tube of water pump 11, the top fixedly connected with drinking-water pipe 12 of water pump 11, drinking-water pipe 12 one end extends to the outside of foundation ditch body 2.
In addition, the model of the valve 5 is Q11F-16CDN20, and the power of the water pump 11 and the pipe diameter of the water suction pipe 12 in construction are determined according to the overflow amount of underground water.
It should be noted that, through setting up the shutoff subassembly, realized firmly the purpose of shutoff with precipitation well body 1, impervious performance is good moreover, can effectively reduce the problem that the seepage appears after the shutoff of precipitation well body 1, adopts multilayer waterproof construction simultaneously, and waterproof performance is excellent, applicable in the shutoff of the great foundation ditch of water yield confined or water-bearing layer precipitation well.
The working principle of the embodiment is as follows:
this prevention of seepage shutoff structure of foundation ditch precipitation well, when the construction, the precipitation is finished the back and is adopted cement mortar to carry out slip casting to lower part precipitation well body 1 through pre-buried slip casting steel pipe 4, seal valve 5 after filling up, water pump 11 is waited to bury in precipitation well body 1 after finishing, post-cast strip 7 is waited the lower part thick liquid to fill up after, adopt reinforced concrete to pour, the reinforcing bar net should with bottom plate 8 and reserve reinforcing bar 9 welding, post-cast strip 7 concrete strength is unanimous with bottom plate 8 concrete strength, pour through plugging layer 10 at last, accomplish the shutoff to precipitation well body 1 in the foundation ditch body 2.
The control mode of the utility model is controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the supply of the power supply also belongs to the common knowledge in the art, and the utility model is mainly used for protecting mechanical devices, so the utility model does not explain the control mode and circuit connection in detail.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a prevention of seepage shutoff structure of foundation ditch dewatering well, includes dewatering well body (1) and foundation ditch body (2), its characterized in that: a plugging component is arranged on the foundation pit body (2);
the utility model discloses a dewatering well body, including concrete layer (3) that shutoff subassembly includes inside foundation ditch body (2), the inside of foundation ditch body (2) is provided with pre-buried slip casting steel pipe (4), the outside fixedly connected with valve (5) of pre-buried slip casting steel pipe (4), the inside of concrete layer (3) is provided with waterproof layer (6), the top of waterproof layer (6) is provided with post-cast strip (7), the inside of post-cast strip (7) is provided with bottom plate (8), the inside of post-cast strip (7) is provided with reserved reinforcement (9), the top fixedly connected with shutoff layer (10) of post-cast strip (7), interior wall fixed mounting of dewatering well body (1) has water pump (11).
2. The impermeable plugging structure of a dewatering well of a foundation pit according to claim 1, wherein: the blocking layer (10) is formed by pouring reinforced concrete.
3. The impermeable plugging structure of a dewatering well of a foundation pit according to claim 1, wherein: the waterproof layer (6) is a waterproof coiled material.
4. The impermeable plugging structure of a dewatering well of a foundation pit according to claim 1, wherein: the embedded grouting steel pipe (4) is a hot-rolled seamless steel pipe.
5. The impermeable plugging structure of a dewatering well of a foundation pit according to claim 1, wherein: the back fixedly connected with inlet tube of water pump (11), the top fixedly connected with drinking-water pipe (12) of water pump (11), drinking-water pipe (12) one end extends to the outside of foundation ditch body (2).
6. The impermeable plugging structure of a dewatering well of a foundation pit according to claim 1, wherein: the concrete layer (3) is formed by casting C20 concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321377037.7U CN219862992U (en) | 2023-06-01 | 2023-06-01 | Seepage-proofing plugging structure of foundation pit dewatering well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321377037.7U CN219862992U (en) | 2023-06-01 | 2023-06-01 | Seepage-proofing plugging structure of foundation pit dewatering well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219862992U true CN219862992U (en) | 2023-10-20 |
Family
ID=88338323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321377037.7U Active CN219862992U (en) | 2023-06-01 | 2023-06-01 | Seepage-proofing plugging structure of foundation pit dewatering well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219862992U (en) |
-
2023
- 2023-06-01 CN CN202321377037.7U patent/CN219862992U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103343543B (en) | Foundation pit dewatering well pressure-reduction-type plugging method | |
| CN110878700B (en) | Tunnel waterproof structure and construction method thereof | |
| CN104711994A (en) | Foundation pit deep well rainfall and plugging construction method | |
| CN103046565B (en) | Draining method for ultra-deep batholith deep foundation pit | |
| CN102535488B (en) | Waterproof construction method for bottom plate of high-water-level basement | |
| CN109736340B (en) | Dewatering device and method for guaranteeing integrity of cushion layer by reserving dewatering well on foundation slab | |
| CN111622272A (en) | Post-construction process of anti-floating anchor rod | |
| CN215562824U (en) | Bottom plate U type deformation seam structure | |
| CN209339169U (en) | A kind of precipitation well in foundation pit plugging device | |
| CN102839691B (en) | Quick sealing method and device for sandless cement pipe deep well dewatering wellhead | |
| CN104234089B (en) | The construction method that a kind of basement guarded drainage combines | |
| CN212506349U (en) | Water-logging well sealing device for water-lowering zone of ultra-deep foundation pit pipe well | |
| CN219862992U (en) | Seepage-proofing plugging structure of foundation pit dewatering well | |
| CN110258660A (en) | The manufacture craft and shut-in well technique of the decompression drainage sump of basement anti-floating | |
| CN115787691A (en) | Construction method of well plugging device for dewatering well in underground water rich area | |
| CN210946855U (en) | Plugging device for dewatering well | |
| CN212801603U (en) | Foundation pit bottom plate reserved precipitation plugging device | |
| CN212248382U (en) | Underground continuous wall seam water stopping device | |
| CN211312560U (en) | Simple and easy core section of thick bamboo stepping water conservancy diversion drainage structures | |
| CN107345405A (en) | Grouting method at concrete raft foundation construction joint | |
| CN208965510U (en) | A kind of open diversion canal antiseepage drainage system | |
| CN220598488U (en) | Plugging device for deep well of building engineering after lowering underground water level | |
| CN107419739B (en) | A kind of building bottom plate dewatering construction method | |
| CN205370600U (en) | Subway tunnel prevents discharge area section and divides boundary point combination formula seepage flow to block isolating device | |
| CN221218868U (en) | Precipitation well plugging structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |