CN115324089A - Deep foundation pit structure with drainage side wall gushes water - Google Patents
Deep foundation pit structure with drainage side wall gushes water Download PDFInfo
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- CN115324089A CN115324089A CN202210980428.1A CN202210980428A CN115324089A CN 115324089 A CN115324089 A CN 115324089A CN 202210980428 A CN202210980428 A CN 202210980428A CN 115324089 A CN115324089 A CN 115324089A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 221
- 239000002689 soil Substances 0.000 claims abstract description 64
- 238000005086 pumping Methods 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 238000001914 filtration Methods 0.000 claims description 17
- 238000007599 discharging Methods 0.000 claims description 3
- 210000002421 cell wall Anatomy 0.000 claims description 2
- 230000001939 inductive effect Effects 0.000 claims 2
- 230000000903 blocking effect Effects 0.000 abstract description 16
- 238000009434 installation Methods 0.000 abstract description 3
- 101150054854 POU1F1 gene Proteins 0.000 description 44
- 238000010276 construction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Classifications
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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
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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
- E02D19/22—Lining sumps in trenches or other foundation pits
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/02—Arrangement of sewer pipe-lines or pipe-line systems
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/22—Adaptations of pumping plants for lifting sewage
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
- E03F7/02—Shut-off devices
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Paleontology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a deep foundation pit structure with water gushing from a drainage side wall, which comprises a soil pit, wherein a plurality of water pumping holes are symmetrically formed near the upper surface of the soil pit, a sealing drain pipe is inserted into each water pumping hole, the upper end of each sealing drain pipe extends to the upper part of the soil pit and is fixedly inserted with a first water pipe, a plurality of angle plates are symmetrically arranged at the corners of the inner wall of the soil pit, an installation groove is formed in the side wall of each angle plate far away from the soil pit, water retaining mechanisms are jointly arranged in the installation grooves of two adjacent angle plates, each water retaining mechanism comprises a water retaining box, and positioning plates are symmetrically and fixedly arranged at two sides of each water retaining box. The invention reduces the probability of water gushing on the inner wall of the pit in an advanced drainage mode, can effectively solve the problem of water gushing on the side wall of the pit by horizontally blocking the water gushing on the inner wall of the pit from flowing downwards and collecting drainage, has simple structure and convenient operation, can recycle and reuse main components, and reduces the use cost.
Description
Technical Field
The invention relates to the field of building construction, in particular to a deep foundation pit structure with a drainage side wall for water burst.
Background
The deep foundation pit structure that current drainage lateral wall gushed water spreads a plurality of vertical decurrent filter cartridges or filter throughout usually on the lateral wall of foundation pit, the foundation pit gushes water and can get into in the filter cartridge and be inserted the water pipe of establishing in the filter cartridge and take out the drainage through filtering promptly, but this kind of drainage mode can not freely change its height of leading the row along with the foundation pit construction degree of depth, and a plurality of filter cartridges arrange and distribute and have a large amount of clearances, then there is great emergence probability of gushing water, it is not good to lead the drainage protective effect, and when the construction of foundation pit step by step upwards, a large amount of filter cartridges are whole to be buried unable the recovery, the loss is higher.
Disclosure of Invention
The invention aims to solve the defects that in the prior art, the protection effect of the drainage in vertical arrangement and distribution is poor, the drainage protection height cannot be freely changed, and the drainage cannot be recycled due to the fact that all the drainage is buried during construction, and the use cost is high.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a deep basal pit structure with draw row lateral wall and gush water, includes the soil pit, near the upper surface symmetry of soil pit has seted up a plurality of suction holes, every all insert in the suction hole and be equipped with sealed drain pipe, sealed drain pipe's upper end extends to the top of soil pit and fixed the inserting is equipped with first water pipe, a plurality of scutches are installed to the inner wall turning symmetry of soil pit, every the mounting groove has all been seted up on the lateral wall that the soil pit was kept away from to the scute, adjacent two all install manger plate mechanism jointly in the mounting groove of sculer, every manger plate mechanism all includes the manger plate box, every the equal symmetry fixed mounting in both sides of manger plate box has the locating plate, every all insert on the locating plate and establish second water pipe, every the second water pipe all communicates with the inside of the manger plate box that corresponds, every the water inlet has all been seted up to the upper end on the manger plate box, every the inner wall of the manger plate box all hugs closely the inner wall of soil pit, every equal symmetry has seted up a plurality of first locating hole, every the equal symmetry has seted up a plurality of second water inlet tubes and the same side is installed on the lateral wall of drain pump and the common two inlet tube of the locating hole of bolt and the same side of the common water inlet tube of the drain pump.
Preferably, the upper surface in soil pit has seted up water drainage tank, water drainage tank is located the outside in a plurality of pumping holes, and is a plurality of the one end that the drain pump was all kept away from to the outlet pipe all extends to water drainage tank.
Preferably, each section of the side wall, located above the soil pit, of each sealed drain pipe is provided with an air hole, a section of the side wall, located inside the water pumping hole, of each sealed drain pipe is provided with a plurality of filtering overflow holes, the distribution depth of each filtering overflow hole is equal to the depth of the soil pit, and the depth of each water pumping hole is larger than the depth of the soil pit.
Preferably, the bottom of each first water pipe extends to the inner bottom of the sealed drain pipe, an electromagnetic valve and a first water level sensor are mounted in each first water pipe, each first water level sensor is located below the filtering overflow hole, and each electromagnetic valve is located above the filtering overflow hole.
Preferably, each water blocking box is provided with a plurality of positioning nails on the side wall close to the soil pit, the positioning nails are inserted on the side wall of the soil pit, each water inlet is provided with a filter screen plate on the inner wall, each water blocking box is provided with a second water level sensor on the outer wall, the second water level sensor extends to the inside of the water blocking box, and each second water level sensor is located above the corresponding second water pipe.
Preferably, a water receiving port is formed in the side wall, close to the soil pit, of each water inlet, the upper surface of each filter screen plate is flush with the bottom of the water receiving port, and a plurality of hoisting rings are symmetrically arranged on the upper surface, located at the edge of the water inlet, of each water retaining box.
The invention has the beneficial effects that: reduce the probability that the pit inner wall gushed water through the mode of leading row in advance, and block through the level that the pit inner wall gushes water downflow and collect and lead the row, can effectively solve the pit lateral wall problem of gushing water, and simple structure, convenient operation, essential element can retrieve and recycle, reduces use cost.
Drawings
FIG. 1 is a schematic structural diagram of a deep foundation pit structure with a drainage sidewall gushing water according to the present invention;
FIG. 2 is an enlarged view of a part of a water retaining box of a deep foundation pit structure with water inrush on the drainage side wall, which is provided by the invention;
FIG. 3 is an enlarged view of FIG. 1 at A;
fig. 4 is an enlarged view of a portion of a sealed drain pipe of a deep foundation pit structure with a side wall for guiding and draining water gushing.
In the figure: the water level sensor comprises a soil pit 1, a water drainage tank 11, a water pumping hole 12, a sealed water drainage pipe 2, a first water pipe 21, an air hole 22, a filtering overflow hole 23, an electromagnetic valve 24, a first water level sensor 25, a water drainage pump 3, a water inlet pipe 31, a water outlet pipe 32, a corner plate 4, a mounting groove 41, a first positioning hole 42, a water retaining mechanism 5, a water retaining box 51, a water inlet 52, a filter screen plate 53, a water receiving port 54, a second water level sensor 55, positioning nails 56, a hoisting ring 57, a positioning plate 6, a second water pipe 61, a second positioning hole 62 and positioning bolts 7.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a deep foundation pit structure with drainage side wall water gushing function, comprising a pit 1, a plurality of water pumping holes 12 are symmetrically arranged near the upper surface of the pit 1, a sealing drain pipe 2 is inserted in each water pumping hole 12, the upper end of the sealing drain pipe 2 extends to the upper side of the pit 1 and is fixedly inserted with a first water pipe 21, a plurality of angle plates 4 are symmetrically arranged at the corners of the inner wall of the pit 1, a mounting groove 41 is arranged on the side wall of each angle plate 4 far away from the pit 1, water blocking mechanisms 5 are commonly arranged in the mounting grooves 41 of two adjacent angle plates 4, each water blocking mechanism 5 comprises a water blocking box 51, positioning plates 6 are symmetrically and fixedly arranged at the two sides of each water blocking box 51, and a second water pipe 61 is inserted in each positioning plate 6, every second water pipe 61 all communicates with the inside of the manger plate box 51 that corresponds, water inlet 52 has all been seted up to every manger plate box 51 upper end, every manger plate box 51 all hugs closely the inner wall of soil pit 1, a plurality of first locating holes 42 have all been seted up to equal symmetry on the cell wall of every mounting groove 41, a plurality of second locating holes 62 have all been seted up on every locating plate 6 is close to the one end lateral wall of scute 4, all install positioning bolt 7 jointly between every second locating hole 62 and the first locating hole 42 that corresponds, a plurality of drain pumps 3 are installed to the upper surface symmetry of soil pit 1, all install inlet tube 31 and outlet pipe 32 on every drain pump 3, a plurality of inlet tubes 31 of homonymy all pass through the hose connection with a plurality of first water pipes 21 and two second water pipes 61 of homonymy.
The periphery of the pit 1 is provided with the plurality of water pumping holes 12 arranged around the pit, so that moisture in the soil can enter the water pumping holes 12 and be collected by the sealed drain pipe 2, and the drain pump 3 can drain the underground water collected in the sealed drain pipe 2 through the water inlet pipe 31 and the first water pipe 21, so that the phenomenon that the water content of the soil near the pit 1 is increased to cause water gushing on the inner wall can be avoided, that is, the water in the soil can be reduced in advance, the probability of water gushing on the inner wall of the pit 1 is reduced, and the water gushing amount of the water is reduced during water gushing;
the water blocking box 51 can be tightly attached to the inner wall of the pit 1, so that water gushing from the inner wall of the pit 1 flows downwards and then falls into the water blocking box 51, the water gushing collected by the water blocking box 51 can be pumped and drained by the drainage pump 3 through the water inlet pipe 31 and the second water pipe 61, water accumulated at the bottom of the pit 1 is avoided, water gushing on the whole side surface can be drained, and the drainage effect is better;
make corresponding first locating hole 42 and second locating hole 62 match the location through adjusting positioning bolt 7, then can adjust the height that the locating plate 6 was fixed in the mounting groove 41 of scute 4, can adjust the height of retaining box 51, then can adjust the height that retaining box 51 led the row, can adjust suitable height as required by the construction progress in the soil pit 1 promptly, make it neither can cause the influence to the construction region, also can effectively lead gushing water of arranging soil pit 1 lateral wall, and it is more convenient to use.
The drain pump 3 is taken the back with water through inlet tube 31 and is discharged into water drainage tank 11 through outlet pipe 32, and the hydroenergy in water drainage tank 11 can flow to apart from soil pit 1 region far away according to the design demand, avoids water infiltration influence soil pit 1 once more.
An air hole 22 is formed in one section of the side wall, located above the soil pit 1, of each sealed drain pipe 2, a plurality of filtering overflow holes 23 are formed in one section of the side wall, located in the water pumping holes 12, of each sealed drain pipe 2, the distribution depth of each filtering overflow hole 23 is equal to the depth of the soil pit 1, and the depth of each water pumping hole 12 is larger than the depth of the soil pit 1;
the bottom of each first water pipe 21 extends to the inner bottom of the sealed drain pipe 2, a solenoid valve 24 and a first water level sensor 25 are installed in each first water pipe 21, each first water level sensor 25 is located below the filtering overflow hole 23, and each solenoid valve 24 is located above the filtering overflow hole 23.
The air hole 22 on the sealed drain pipe 2 can make the air pressure in the sealed drain pipe 2 constant, that is, the first water pipe 21 can be ensured to quickly pump out the accumulated water at the bottom of the sealed drain pipe 2, the plurality of filtering overflow holes 23 can prevent the soil in the water pumping hole 12 from entering the sealed drain pipe 2, but the water in the water pumping hole 12 can permeate into the sealed drain pipe 2 through the filtering overflow holes 23, and the bottom of the sealed drain pipe 2 is deeper than the bottom of the soil pit 1, so that the seepage water can be collected at the bottom of the sealed drain pipe 2, when the water amount reaches a certain height, after being detected by the first water level sensor 25, the electromagnetic valve 24 is opened and the corresponding drain pump 3 is started, so that the drain pump 3 can independently pump and discharge the seepage water, the empty pumping phenomenon is avoided, the service life of the drain pump 3 is prolonged, and the stability of water pumping and discharging is improved;
along with the continuous progress of construction in the soil pit 1, the manger plate mechanism 5 rises constantly, then only remains four scutches 4 at last and buries in the soil pit 1, does not influence the structural safety of soil pit 1, and the loss is also relatively low, and sealed drain pipe 2 both can take out reuse and bury pumping hole 12, also can directly uncover the upper end of sealed drain pipe 2 and take out first water pipe 21 and corresponding solenoid valve 24 and first water level sensor 25 recovery and pour into concrete landfill with remaining sealed drain pipe 2, does not influence surrounding structural safety promptly, also reduces the follow-up degree of difficulty of retrieving.
A plurality of positioning nails 56 are arranged on the side wall of each water retaining box 51 close to the soil pit 1, the positioning nails 56 are inserted into the side wall of the soil pit 1, a filter screen plate 53 is arranged on the inner wall of each water inlet 52, a second water level sensor 55 extending into the water retaining box 51 is inserted into the outer wall of each water retaining box 51, and each second water level sensor 55 is positioned above the corresponding second water pipe 61;
a water receiving opening 54 is formed in the side wall, close to the soil pit 1, of each water inlet 52, the upper surface of each filter screen plate 53 is flush with the bottom of the water receiving opening 54, and a plurality of hoisting rings 57 are symmetrically arranged on the upper surface, located at the edge of the water inlet 52, of each water retaining box 51.
When the water blocking box 51 is installed, the positioning nails 56 can be inserted into the side wall of the soil pit 1, so that the support of the positioning plates 6 on the two sides is shared, the positioning plates 6 are prevented from being bent under large pressure for a long time, the use reliability of the positioning nails is improved, the positioning nails 56 can enable the side wall of the water blocking box 51 to be tightly attached to the side wall of the soil pit 1 without displacement, the attaching firmness is improved, the situation that the side wall of the soil pit 1 is cut and scratched due to the fact that the water blocking box 51 is shaken is avoided, namely, the side wall soil of the soil pit 1 is prevented from being scraped and blocking the water inlet 52 is avoided, the water receiving port 54 can enable gushing water to directly flow into the water inlet 52 along the side wall of the soil pit 1 and be filtered by the filter screen plate 53, the side wall of the water inlet 52 can block partial water flow, when the filter screen plate 53 cannot filter in time due to the fact that the water flow is too fast, the water flow is prevented from overflowing from the water inlet 52, the drainage reliability is improved, and the hoisting ring 57 can lift the water blocking box 51 in a hoisting mode.
When the water retaining mechanism is used, the angle plates 4 are installed at four corners of the soil pit 1, then the water retaining box 51 is hoisted by the hoisting ring 57 and placed at the bottom of the soil pit 1, the positioning plate 6 is fixed in the installation groove 41 through the positioning bolt 7, the first positioning hole 42 and the second positioning hole 62, the side wall of the water retaining box 51 is tightly abutted against the side wall of the soil pit 1, the positioning nail 56 is inserted into the side wall of the soil pit 1, when the height of the water retaining mechanism 5 needs to be adjusted, the water retaining box 51 is pulled by the hoisting ring 57, the positioning bolt 7 is loosened, and then the water retaining box 51 is pried to pull the positioning nail 56 out of the side wall of the soil pit 1;
uniformly arranging a plurality of water pumping holes 12 on the periphery of the soil pit 1, wherein the depth of each water pumping hole 12 is deeper than that of the soil pit 1, then arranging drainage grooves 11 on the periphery of the water pumping holes 12, then inserting a sealed drainage pipe 2 into each water pumping hole 12, and respectively connecting a water inlet pipe 31 of a drainage pump 3 with a first water pipe 21 and a second water pipe 61 through hoses;
when the water content in the soil is high, the soil permeates into the water pumping holes 12, the soil can enter the sealed drain pipe 2 from the filtering overflow hole 23 and flow to the bottom for collection, when the water is accumulated to a certain amount, the external controller obtains the water amount through the first water level sensor 25 and reaches a threshold value, the corresponding electromagnetic valve 24 is controlled to be opened, the corresponding drain pump 3 is started, the drain pump 3 discharges the water in the sealed drain pipe 2 through the water inlet pipe 31 and the first water pipe 21, and the probability of water inrush from the inner wall of the pit 1 is reduced;
when the inner wall of the soil pit 1 gushes water, water flows downwards along the inner wall and enters the water inlet 52 from the water receiving port 54, is filtered by the filter screen plate 53 and then enters the water retaining box 51, and when the water amount in the water retaining box 51 is accumulated to the second water level sensor 55, the external controller controls the corresponding drainage pump 3 to discharge the water in the water retaining box 51 through the water inlet pipe 31 and the second water pipe 61, so that the prevention and drainage of the water gushing on the inner wall of the soil pit 1 are realized.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The deep foundation pit structure with the drainage side wall water gushing function comprises a pit (1) and is characterized in that a plurality of water pumping holes (12) are symmetrically formed near the upper surface of the pit (1), a sealing drain pipe (2) is inserted into each water pumping hole (12), the upper end of each sealing drain pipe (2) extends to the upper portion of the pit (1) and is fixedly inserted with a first water pipe (21), a plurality of angle plates (4) are symmetrically installed at the corners of the inner wall of the pit (1), a mounting groove (41) is formed in the side wall, far away from the pit (1), of each angle plate (4), a water retaining mechanism (5) is installed in the mounting grooves (41) of the adjacent two angle plates (4) together, every manger plate mechanism (5) all includes manger plate box (51), every the equal symmetry fixed mounting in both sides of manger plate box (51) has locating plate (6), every all insert on locating plate (6) and establish second water pipe (61), every second water pipe (61) all with the inside intercommunication of the manger plate box (51) that corresponds, every water inlet (52) have all been seted up to manger plate box (51) upper end, every the inner wall of soil pit (1) is all hugged closely in manger plate box (51), every a plurality of first locating holes (42) have all been seted up to equal symmetry on the cell wall of mounting groove (41), every locating plate (6) are close to all seted up a plurality of on the one end lateral wall of scute (4) Second locating hole (62), every all install positioning bolt (7) jointly between second locating hole (62) and the first locating hole (42) that corresponds, a plurality of drain pump (3) are installed to the upper surface symmetry of soil pit (1), every all install inlet tube (31) and outlet pipe (32) on drain pump (3), a plurality of homonymy inlet tube (31) all pass through the hose connection with a plurality of first water pipe (21) and two second water pipe (61) of homonymy.
2. The deep foundation pit structure with the function of inducing and draining water gushing from the side wall is characterized in that a drainage groove (11) is formed in the upper surface of the soil pit (1), the drainage groove (11) is located on the outer side of the plurality of water pumping holes (12), and one ends, far away from the drainage pump (3), of the plurality of water outlet pipes (32) extend into the drainage groove (11).
3. The deep foundation pit structure with the water inrush drainage side wall as claimed in claim 1, wherein a section of the side wall of each sealed drain pipe (2) above the pit (1) is provided with an air hole (22), a section of the side wall of each sealed drain pipe (2) in the water pumping hole (12) is provided with a plurality of filtering overflow holes (23), the distribution depth of each filtering overflow hole (23) is equal to the depth of the pit (1), and the depth of each water pumping hole (12) is greater than the depth of the pit (1).
4. A deep foundation pit structure with water inrush from drainage side walls as claimed in claim 3, wherein the bottom of each first water pipe (21) extends to the inner bottom of the sealed drain pipe (2), a solenoid valve (24) and a first water level sensor (25) are installed in each first water pipe (21), each first water level sensor (25) is located below the filtering overflow hole (23), and each solenoid valve (24) is located above the filtering overflow hole (23).
5. The deep foundation pit structure with the function of inducing and discharging water gushing from the side wall is characterized in that a plurality of positioning nails (56) are installed on the side wall, close to the soil pit (1), of each water retaining box (51), the plurality of positioning nails (56) are inserted into the side wall of the soil pit (1), a filter screen plate (53) is installed on the inner wall of each water inlet (52), a second water level sensor (55) extending into the water retaining box (51) is inserted into the outer wall of each water retaining box (51), and each second water level sensor (55) is located above the corresponding second water pipe (61).
6. The deep foundation pit structure with the function of guiding and discharging water gushing from the side wall is characterized in that a water receiving opening (54) is formed in the side wall, close to the soil pit (1), of each water inlet (52), the upper surface of each filter screen plate (53) is flush with the bottom of the water receiving opening (54), and a plurality of hoisting rings (57) are symmetrically mounted on the upper surface of the edge, located at the water inlet (52), of each water retaining box (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210980428.1A CN115324089A (en) | 2022-08-16 | 2022-08-16 | Deep foundation pit structure with drainage side wall gushes water |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210980428.1A CN115324089A (en) | 2022-08-16 | 2022-08-16 | Deep foundation pit structure with drainage side wall gushes water |
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| CN115324089A true CN115324089A (en) | 2022-11-11 |
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| CN202210980428.1A Pending CN115324089A (en) | 2022-08-16 | 2022-08-16 | Deep foundation pit structure with drainage side wall gushes water |
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