CN117107797A - Local deep foundation pit water burst treatment system and method - Google Patents
Local deep foundation pit water burst treatment system and method Download PDFInfo
- Publication number
- CN117107797A CN117107797A CN202311273944.1A CN202311273944A CN117107797A CN 117107797 A CN117107797 A CN 117107797A CN 202311273944 A CN202311273944 A CN 202311273944A CN 117107797 A CN117107797 A CN 117107797A
- Authority
- CN
- China
- Prior art keywords
- water
- pipe
- foundation pit
- pit
- temporary
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 265
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000005086 pumping Methods 0.000 claims abstract description 11
- 230000000903 blocking effect Effects 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000000630 rising effect Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 18
- 230000001376 precipitating effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 10
- 238000001556 precipitation Methods 0.000 description 6
- 239000003673 groundwater Substances 0.000 description 3
- 239000003292 glue Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The application relates to the technical field of foundation pit water treatment, and provides a local deep foundation pit water-gushing treatment system and method, wherein the system comprises: the temporary water collecting pit is arranged below the foundation pit cushion layer of the water gushing part of the foundation pit; the water stopping pipe is arranged above the temporary water collecting pit; the waterproof connecting device is arranged between the temporary water collecting pit and the water stopping pipe, and surrounds the upper end edge of the temporary water collecting pit; the waterproof coiled material is laid on the foundation pit cushion layer; the pumping pipe stretches into the temporary water collecting pit and is used for continuously precipitating water; and the water stop plug is used for blocking the water stop pipe. The application is convenient for quickly constructing the foundation pit bottom plate, improves the construction progress and saves the large-scale well point dewatering construction cost; and the risk of poor concrete quality caused by the mixing ratio change in the foundation pit bottom plate concrete pouring process due to water gushing can be avoided.
Description
Technical Field
The application belongs to the technical field of foundation pit water treatment, and particularly relates to a local deep foundation pit water-gushing treatment system and method.
Background
At present, although precipitation of a precipitation well is adopted in the engineering foundation construction process so as to facilitate foundation engineering construction, water gushing often occurs in the construction process of local deep foundation pits such as an elevator well and a water collecting pit. Especially, when meeting rainwater weather in the excavation of local deep foundation ditch, there is foundation ditch gushing water when local deep foundation ditch construction and leads to the unable normal problem of going on of engineering. Therefore, it is necessary to research a water treatment system which rapidly satisfies construction conditions to satisfy construction requirements.
Disclosure of Invention
Aiming at the problems in the prior art, the application provides a local deep foundation pit water-gushing treatment system and a local deep foundation pit water-gushing treatment method, so as to solve the quality problems and leakage hidden trouble caused by water-gushing in the construction process and inconvenient construction of foundation concrete.
In a first aspect, the present application provides a local deep foundation pit water treatment system, including:
the temporary water collecting pit is arranged below the foundation pit cushion layer of the water gushing part of the foundation pit;
the water stopping pipe is arranged above the temporary water collecting pit, and the upper end of the water stopping pipe extends to the foundation pit bottom plate;
the waterproof connecting device is arranged between the temporary water collecting pit and the water stopping pipe, the upper end of the waterproof connecting device is communicated with the lower end of the water stopping pipe, the lower end of the waterproof connecting device is provided with a flanging part, and the flanging part surrounds the edge of the upper end of the temporary water collecting pit;
the waterproof coiled material is laid on the foundation pit cushion layer and covers the flanging part;
the water pumping pipe extends into the temporary water collecting pit through the water stopping pipe and is used for continuously dewatering; and
the water stop plug is arranged at the upper end of the water stop pipe and used for blocking the water stop pipe.
Further, the quick setting impervious concrete is poured into the water stop pipe and the temporary water collecting pit.
By pouring the quick setting impervious concrete, the quick sealing of the water stop pipe can be realized, and the double waterproof effect can be achieved by matching with the water stop plug.
Further, the inner wall and the outer wall of the water stop pipe are both provided with water stop rings, the quick setting impervious concrete wraps the water stop rings of the inner wall of the water stop pipe, and the concrete of the foundation pit bottom plate wraps the water stop rings of the outer wall of the water stop pipe.
Through the effect of the water stop ring, the water stop pipe can be tightly combined with concrete, and the waterproof effect is better. And the water stop ring positioned on the outer wall of the water stop pipe can prevent groundwater from penetrating into the basement along the pipe wall of the water stop pipe, so that the waterproof effect of the foundation pit is further improved.
Further, the waterproof connecting device comprises a waterproof connecting pipe; the waterproof connecting pipe is of a horn-shaped structure, the upper end of the waterproof connecting pipe is a connecting pipe orifice which is in plug-in fit with the water stop pipe, the lower end of the waterproof connecting pipe is the flanging part, and the flanging part is arranged on the foundation pit cushion layer around the temporary water collecting pit.
The waterproof connecting pipe of the horn-shaped structure can improve the waterproof connecting effect of the waterproof connecting device, and can also avoid infiltration into the temporary water pit in the concrete pouring process of the foundation pit bottom plate.
Further, the waterproof connecting device further comprises a plurality of back ribs, the back ribs are fixed on the outer wall of the waterproof connecting pipe, the upper ends of the back ribs are abutted to the lower ends of the water stop pipes, and the lower ends of the back ribs are connected to the flanging part.
The back edge is connected to the outer wall of the waterproof connecting pipe, so that the rigidity of the waterproof connecting pipe can be improved, and the deformation of the waterproof connecting pipe is avoided.
Further, the water stop plug is in threaded connection with the water stop pipe.
In a second aspect, the application also provides a local deep foundation pit water burst treatment method, which comprises the following steps:
digging a temporary water collecting pit below a foundation pit cushion layer based on the determined water gushing position of the foundation pit;
pouring a foundation pit cushion layer;
after the strength of the foundation pit cushion layer meets the requirement, arranging a waterproof connecting device above the temporary water collecting pit, so that a flanging part at the lower end of the waterproof connecting device surrounds the upper end edge of the temporary water collecting pit;
paving the waterproof coiled material on the foundation pit cushion layer and covering the flanging part;
installing a water stop pipe at the upper end of the waterproof connecting device, so that the water stop pipe is communicated with the temporary water collecting pit;
extending a water pumping pipe into the temporary water collecting pit through the water stopping pipe to continuously reduce water;
binding the steel bars of the foundation pit bottom plate, and connecting the water stop pipe and the waterproof connecting device with the steel bars of the foundation pit bottom plate;
pouring concrete of a foundation pit bottom plate to the upper end of the water stop pipe;
when the fluctuation of the water level is slow or the water level stops rising, quick setting impervious concrete is poured into the water stopping pipe, and then the water stopping plug is arranged at the upper end of the water stopping pipe so as to seal the water stopping pipe.
Further, before pouring the foundation pit cushion layer, a sleeve is buried in the temporary water collecting pit or a mold is supported along the edge of the temporary water collecting pit, and the temporary water collecting pit is drained by a drain pipe, so that no open water at the bottom of the foundation pit is ensured.
Further, in the process of pouring the concrete of the foundation pit bottom plate, the water pumping pipe continuously drops water, and the water level in the temporary water collecting pit is kept not to exceed the foundation pit cushion layer.
Further, the rapid hardening impervious concrete is poured to the lower end of the water stop plug.
The beneficial effects of the application are as follows: the water level in the temporary water collecting pit can be continuously observed from the water stopping pipe in the foundation pit construction process after the small temporary water collecting pit is dug in the local deep foundation pit and the water stopping pipe is connected, the water level in the water collecting pit is timely pumped through the water pumping pipe, the water level in the water collecting pit is reduced to the lowest, and the concrete of the foundation pit bottom plate can be poured at any time, so that the foundation pit bottom plate can be quickly constructed, the construction progress is improved, and the large-scale well point dewatering construction cost is saved; and the risk of poor concrete quality caused by the mixing ratio change in the foundation pit bottom plate concrete pouring process due to water gushing can be avoided. Prevent to prevent because of foundation ditch gushing water leads to waterproof unable normal construction, or appear seepage hidden danger such as swell after the construction to guarantee foundation ditch bottom plate concrete quality.
Compared with the conventional large-scale well-point precipitation mode, the method has the advantages that the period of precipitation is longer, the cost is higher and the like through the mode of integrally reducing the groundwater level. The application has simple construction and quick installation, not only can effectively improve the precipitation efficiency and meet the requirement of construction progress, but also can effectively reduce the construction cost.
Drawings
FIG. 1 is a schematic diagram of a local deep foundation pit water treatment system.
Fig. 2 is an enlarged partial schematic view of fig. 1.
Fig. 3 is a schematic top view of a waterproof connection device of the local deep foundation pit water treatment system of the present application.
Fig. 4 is a schematic flow chart of a local deep foundation pit water-gushing treatment method of the application.
In the figure, a 1-water stop plug; 2-a water stop pipe; 3-a water stop ring; 4-a waterproof connecting pipe; 5-back edge; 6-waterproof coiled materials; 7-foundation pit cushion layer; 8-a temporary water collecting pit; 9-foundation pit bottom plate.
Detailed Description
The application is described in further detail below with reference to the drawings and specific examples.
The local deep foundation pit water treatment system as shown in fig. 1, 2 and 3 comprises: the water-proof concrete rapid hardening anti-seepage device comprises a temporary water collecting pit 8, a water-proof pipe 2, a water-proof connecting device, a water-proof coiled material 6, a water suction pipe, a water-proof plug 1 and rapid hardening anti-seepage concrete.
The temporary water collection pit 8 is arranged below the foundation pit cushion layer 7 of the water gushing part of the foundation pit.
The water stop pipe 2 is arranged above the temporary water collection pit 8, and the upper end of the water stop pipe extends to the foundation pit bottom plate 9. The diameter of the water stop pipe 2 is 5-10cm. The water stop pipe 2 is a steel pipe, the diameter of which is related to the water inflow amount, and the larger the water inflow amount is, the larger the diameter of the water stop pipe 2 is.
The inner wall and the outer wall of the water stop pipe 2 are provided with water stop rings 3, the water stop rings 3 are multiple, and the water stop rings 3 are arranged at intervals along the height direction of the water stop pipe 2. The water stop ring 3 is a steel ring structure protruding along the radial direction of the water stop pipe 2.
The waterproof connecting device is arranged between the temporary water collecting pit 8 and the water stopping pipe 2, the upper end of the waterproof connecting device is communicated with the lower end of the water stopping pipe 2, the lower end of the waterproof connecting device is provided with a flanging part, and the flanging part surrounds the edge of the upper end of the temporary water collecting pit 8.
Referring to fig. 3, the waterproof connecting device comprises a waterproof connecting pipe 4 and a plurality of back ribs 5.
The waterproof connecting pipe 4 is of a horn-shaped structure, the upper end of the waterproof connecting pipe is a connecting pipe orifice which is in plug-in fit with the water stop pipe 2, and glue can be smeared on the connecting pipe orifice and the water stop pipe 2 in plug-in fit area to enable connection to be more reliable, so that the waterproof connecting pipe is convenient to construct, the direction of insertion is reverse to the water flow direction, waterproof effect is improved, and waterproof effect can be further enhanced through glue connection. The lower end of the waterproof connecting pipe 4 is a flanging part, the flanging part can be understood as a horn mouth of a horn-shaped structure, the outer edge diameter of the flanging part is 20-30cm, and the flanging part is erected on the foundation pit cushion layer 7 around the temporary water collecting pit 8. The back edges 5 are fixed on the outer wall of the waterproof connecting pipe 4, the upper ends of the back edges 5 are abutted to the lower ends of the water stopping pipes 2, and the lower ends of the back edges 5 are connected to the flanging part. The four back edges 5 in the embodiment are distributed outside the waterproof connecting pipe 4 in a cross shape, the waterproof connecting pipe 4 and the back edges 5 are made of steel materials, and the thickness is not more than 5mm.
The waterproof coiled material 6 is paved on the foundation pit cushion layer 7 and covers the flanging part. The waterproof coiled material 6 and the water stop pipe 2 form an effective waterproof closed loop, so that the leakage of the ground water in the later stage can be prevented.
The water suction pipe extends into the temporary water collection pit 8 through the water stop pipe 2 for continuous precipitation. Of course, the water pumping pipe is connected with a water pump.
The water stop plug 1 is arranged at the upper end of the water stop pipe 2 and is used for blocking the water stop pipe 2. The water stop plug 1 is in threaded connection with the water stop pipe 2, and before the water stop plug 1 is installed, a raw material belt is wound on the threaded section of the water stop pipe 2.
Quick setting impervious concrete is poured into the water stop pipe 2 and the temporary water collecting pit 8. The quick setting impervious concrete wraps the water stop ring 3 of the inner wall of the water stop pipe 2, and the concrete of the foundation pit bottom plate 9 wraps the water stop ring 3 of the outer wall of the water stop pipe 2.
The quick setting impervious concrete is fine stone concrete, and is added with impervious agent and quick setting accelerator, and has good waterproof effect and quick setting effect.
Based on the same inventive concept, as shown in fig. 4, the application also provides a local deep foundation pit water burst treatment method, which comprises the following steps:
and step 1, excavating a temporary water collecting pit 8 below the foundation pit cushion layer 7 based on the determined water gushing position of the foundation pit. When the local water gushing of the foundation pit is found, a specific water gushing point or a position with obvious water gushing is found, the water gushing point or the position with obvious water gushing is determined as a water gushing position of the foundation pit, the temporary water collecting pit 8 is excavated at the water gushing position of the foundation pit, and of course, the temporary water collecting pit 8 can be directly excavated at the low-lying position of the foundation pit. The diameter of the temporary water collecting pit 8 is 15-25 cm, and the depth is 10-20 cm.
Step 2, burying a sleeve in the temporary water collection pit 8 or supporting a mould along the edge of the temporary water collection pit 8, and draining the temporary water collection pit 8 by using a drain pipe to ensure that no clear water exists at the bottom of the foundation pit.
And 3, pouring a foundation pit cushion layer 7.
Step 4, after the strength of the foundation pit cushion layer 7 meets the requirement, arranging a waterproof connecting device above the temporary water collecting pit 8, so that a flanging part at the lower end of the waterproof connecting device surrounds the upper end edge of the temporary water collecting pit 8; the waterproof coiled material 6 is paved on the foundation pit cushion layer 7 and covers the flanging part. The waterproof coiled material 6 is connected with the flanging part by adopting a hot melting method or an adhesive mode.
And 5, inserting the water stop pipe 2 at the upper end of the waterproof connecting device, wherein the inserting depth is 5-10cm, so that the water stop pipe 2 is communicated with the temporary water collecting pit 8, and the water stop pipe 2 is temporarily fixed. The pumping pipe is extended into the temporary water collecting pit 8 through the water stopping pipe 2 to continuously reduce water.
Step 6, binding the steel bars of the foundation pit bottom plate 9, and connecting the water stop pipe 2 and the waterproof connecting device with the steel bars of the foundation pit bottom plate 9; the connection mode can adopt a welding mode so as to ensure the stability of the water stop pipe 2 and the waterproof connection device.
Step 7, pouring concrete of the foundation pit bottom plate 9 to the upper end of the water stop pipe 2; in the process of pouring the foundation pit bottom plate 9, the direct vibration of the water stop pipe 2 and the waterproof connecting device is avoided during vibration. In the process of pouring the concrete of the foundation pit bottom plate 9, or before the concrete of the foundation pit bottom plate 9 is finally set, the water pumping pipe continuously drops water, and the water level in the temporary water collecting pit 8 is kept not to exceed the foundation pit cushion layer 7. The water stop ring 3 outside the water stop pipe 2 can prevent underground water from penetrating into the basement along the pipe wall of the water stop pipe 2.
And 8, when the fluctuation of the water level is slow or the water level stops rising, quick setting impervious concrete is poured into the water stop pipe 2, wherein the quick setting impervious concrete is poured to the lower end of the threaded section at the upper end of the water stop pipe 2 so as to avoid damaging the threaded section. In some embodiments, after the quick setting impervious concrete is poured, the height of the quick setting impervious concrete is just positioned at the lower end of the threaded section of the water stop pipe 2 and also positioned at the lower end of the water stop plug 1.
And 9, after the quick setting impervious concrete is poured to reach the target height, namely the height of the lower end face of the threaded section of the water stop pipe 2, immediately winding the water stop plug 1 around the raw material belt, and then screwing the water stop plug onto the upper end of the water stop pipe 2 to seal the water stop pipe 2 and prevent the water level from rising to cause the proportion change of the quick setting impervious concrete in the water stop pipe 2. Thereby ensuring the quality of concrete and improving the waterproof effect. And a closed space is formed, which has a function of slowing down water seepage. The risk of poor concrete quality caused by the change of the mixing ratio in the concrete pouring process of the foundation pit bottom plate 9 due to water gushing can be avoided.
The above is only a preferred embodiment of the present application, and the protection scope of the present application is not limited to the above examples, and all technical solutions belonging to the concept of the present application belong to the protection scope of the present application. It should be noted that modifications and adaptations to the application without departing from the principles thereof are intended to be comprehended by those skilled in the art and are intended to be within the scope of the application.
Claims (10)
1. A local deep foundation pit water treatment system, comprising:
the temporary water collecting pit is arranged below the foundation pit cushion layer of the water gushing part of the foundation pit;
the water stopping pipe is arranged above the temporary water collecting pit, and the upper end of the water stopping pipe extends to the foundation pit bottom plate;
the waterproof connecting device is arranged between the temporary water collecting pit and the water stopping pipe, the upper end of the waterproof connecting device is communicated with the lower end of the water stopping pipe, the lower end of the waterproof connecting device is provided with a flanging part, and the flanging part surrounds the edge of the upper end of the temporary water collecting pit;
the waterproof coiled material is laid on the foundation pit cushion layer and covers the flanging part;
the water pumping pipe extends into the temporary water collecting pit through the water stopping pipe and is used for continuously dewatering; and
the water stop plug is arranged at the upper end of the water stop pipe and used for blocking the water stop pipe.
2. The localized deep foundation pit water burst treatment system of claim 1, further comprising quick setting impervious concrete poured within the water stop pipe and temporary pit.
3. The local deep foundation pit water burst treatment system according to claim 2, wherein the inner wall and the outer wall of the water stop pipe are provided with water stop rings, the quick setting impervious concrete wraps the water stop rings of the inner wall of the water stop pipe, and the concrete of the foundation pit bottom plate wraps the water stop rings of the outer wall of the water stop pipe.
4. The local deep foundation pit water burst treatment system of claim 1, wherein the waterproof connection means comprises a waterproof connection pipe; the waterproof connecting pipe is of a horn-shaped structure, the upper end of the waterproof connecting pipe is a connecting pipe orifice which is in plug-in fit with the water stop pipe, the lower end of the waterproof connecting pipe is the flanging part, and the flanging part is arranged on the foundation pit cushion layer around the temporary water collecting pit.
5. The local deep foundation pit water-flooding treatment system of claim 4, wherein the waterproof connecting device further comprises a plurality of back ribs, the plurality of back ribs are fixed on the outer wall of the waterproof connecting pipe, the upper ends of the back ribs are abutted against the lower ends of the water-stopping pipes, and the lower ends of the back ribs are connected with the flanging part.
6. The local deep foundation pit water-flooding treatment system of claim 1, wherein the water-stopping plug is in threaded connection with the water-stopping pipe.
7. The local deep foundation pit water burst treatment method is characterized by comprising the following steps of:
digging a temporary water collecting pit below a foundation pit cushion layer based on the determined water gushing position of the foundation pit;
pouring a foundation pit cushion layer;
after the strength of the foundation pit cushion layer meets the requirement, arranging a waterproof connecting device above the temporary water collecting pit, so that a flanging part at the lower end of the waterproof connecting device surrounds the upper end edge of the temporary water collecting pit;
paving the waterproof coiled material on the foundation pit cushion layer and covering the flanging part;
installing a water stop pipe at the upper end of the waterproof connecting device, so that the water stop pipe is communicated with the temporary water collecting pit;
extending a water pumping pipe into the temporary water collecting pit through the water stopping pipe to continuously reduce water;
binding the steel bars of the foundation pit bottom plate, and connecting the water stop pipe and the waterproof connecting device with the steel bars of the foundation pit bottom plate;
pouring concrete of a foundation pit bottom plate to the upper end of the water stop pipe;
when the fluctuation of the water level is slow or the water level stops rising, quick setting impervious concrete is poured into the water stopping pipe, and then the water stopping plug is arranged at the upper end of the water stopping pipe so as to seal the water stopping pipe.
8. The method for treating local deep foundation pit water burst according to claim 7, wherein before pouring the foundation pit cushion layer, a sleeve is buried in the temporary water collecting pit or a mold is supported along the edge of the temporary water collecting pit, and a drain pipe is used for draining the temporary water collecting pit, so that no clear water at the bottom of the foundation pit is ensured.
9. The method for treating water gushing in a local deep foundation pit according to claim 7, wherein the water pumping pipe continuously drops water in the process of pouring concrete of the foundation pit bottom plate, and the water level in the temporary water collecting pit is kept not to exceed the foundation pit cushion layer.
10. The method for treating water gushing in a local deep foundation pit according to claim 7, wherein the rapid hardening impervious concrete is poured to the lower end of the water stop plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311273944.1A CN117107797A (en) | 2023-09-28 | 2023-09-28 | Local deep foundation pit water burst treatment system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311273944.1A CN117107797A (en) | 2023-09-28 | 2023-09-28 | Local deep foundation pit water burst treatment system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117107797A true CN117107797A (en) | 2023-11-24 |
Family
ID=88796628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311273944.1A Pending CN117107797A (en) | 2023-09-28 | 2023-09-28 | Local deep foundation pit water burst treatment system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117107797A (en) |
-
2023
- 2023-09-28 CN CN202311273944.1A patent/CN117107797A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102797266B (en) | Well sealing waterproof construction method for dewatering well | |
| CN110219313B (en) | Drainage system and construction method for underground construction blind well | |
| CN107326918B (en) | Hidden type plugging impervious water collecting well penetrating through raft plates and construction process thereof | |
| CN110847199A (en) | Construction method for drainage of underground water of deep foundation pit | |
| CN212129150U (en) | Deep basal pit precipitation well block structure | |
| CN110984200B (en) | Method for draining water of foundation pit of binary geological structure layer | |
| CN103132488A (en) | Reverse osmosis water processing method and reverse osmosis drainage system in construction period of concrete faced rockfill dam | |
| CN209873839U (en) | Steel corrugated plate concrete open caisson | |
| CN109025899B (en) | Well sealing device | |
| CN214460605U (en) | Construction structure for preventing basement from floating up integrally in construction stage | |
| CN214574125U (en) | Construction structure for preventing basement from floating up integrally in use stage | |
| CN211368806U (en) | Waterproof and drainage system of prefabricated open caisson structure | |
| CN117107797A (en) | Local deep foundation pit water burst treatment system and method | |
| CN214940305U (en) | Waterproof sleeve pipe of well is dredged to combination foundation ditch dewatering | |
| CN214363573U (en) | Dewatering device with submersible pump reserved in dredging well during raft foundation construction | |
| CN220598488U (en) | Plugging device for deep well of building engineering after lowering underground water level | |
| CN202000461U (en) | Novel anti-seepage drainage system | |
| CN111608171A (en) | Sandbar underground soft base pipe, well precipitation anti-floating pipe pile structure and construction method | |
| CN216007010U (en) | Sand gravel section leading pipe well precipitation construction structure | |
| KR200314875Y1 (en) | Connector for apparatus draining | |
| CN218322828U (en) | Hidden type external drainage precipitation well | |
| CN219653857U (en) | Prefabricated escape canal in foundation ditch top | |
| CN214460675U (en) | Construction structures is used safely to old basement | |
| CN211621638U (en) | Foundation pit dewatering and drainage system suitable for binary geological structure layer | |
| CN218713277U (en) | Waterproof and anti-irrigation underground pipe ditch structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |