CN109372016B - High-pressure-bearing underground chamber bottom plate post-cast strip structure and construction method - Google Patents
High-pressure-bearing underground chamber bottom plate post-cast strip structure and construction method Download PDFInfo
- Publication number
- CN109372016B CN109372016B CN201811314742.6A CN201811314742A CN109372016B CN 109372016 B CN109372016 B CN 109372016B CN 201811314742 A CN201811314742 A CN 201811314742A CN 109372016 B CN109372016 B CN 109372016B
- Authority
- CN
- China
- Prior art keywords
- water
- water seepage
- layer
- steel sleeve
- concrete
- 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
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/04—Making large underground spaces, e.g. for underground plants, e.g. stations of underground railways; Construction or layout thereof
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
-
- 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)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Sustainable Development (AREA)
- Hydrology & Water Resources (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention discloses a post-cast strip structure of a basement bottom plate under high-pressure water and a construction method, the post-cast strip structure comprises a first waterproof layer, a aquifer, a second waterproof layer, a concrete cushion and a basement bottom plate from bottom to top, wherein the basement bottom plate is provided with a post-cast strip which extends to the concrete cushion, the post-cast strip is internally provided with a concrete shrinkage compensation layer, the drainage structure comprises a steel sleeve, a water seepage pipe and a horizontal drainage pipe, the steel sleeve extends from the concrete shrinkage compensation layer to the aquifer, the water seepage pipe is positioned in the steel sleeve and is arranged at an interval with the steel sleeve, two ends of the water seepage pipe extend out of the steel sleeve, seepage holes of the water seepage pipe are arranged on the side wall of the bottom extending out of the steel sleeve, and the water seepage pipe extends out of the steel; a clay layer and a fine stone concrete layer are arranged between the steel sleeve and the water seepage pipe; the horizontal drainage pipe is hermetically communicated with the water seepage pipe, extends to the exterior wall of the basement and is connected with a control valve; the invention effectively reduces the water pressure of confined water and avoids the soil layer at the bottom of the post-cast strip from bulging.
Description
Technical Field
The invention relates to the field of basement construction, in particular to a post-cast strip structure of a high-pressure-bearing underground basement bottom plate and a construction method.
Background
In the project with a large building plane, in order to prevent the basement bottom plate from generating cracks, post-cast strips are generally arranged during the construction of the bottom plate, and the post-cast strips can be poured after the main body is finished according to the standard requirements. For the part with the function of the confined water, because the water pressure is large, if the pressure of the confined water is not reduced during the main body construction, the self weight of the impermeable layer at the post-cast strip can not bear the water pressure of the confined water below the impermeable layer, so that the soil layer at the post-cast strip is raised, and the construction quality of the basement floor post-cast strip is difficult to ensure. In addition, if the pressure of the confined water is reduced by using the precipitation well points arranged outside the foundation pit, uninterrupted precipitation is needed during the construction of the main body, and the cost is high.
A construction method is characterized in that a reporting unit of the construction method provides a novel construction technology for the pressure reduction treatment of a post-cast strip of a high-pressure-bearing underground chamber floor through technical research and practice, a plurality of waterproof steel sleeves are pre-buried to a water-bearing stratum during cushion construction at the position of the post-cast strip, a gravel filter layer is backfilled in the water-bearing stratum below the waterproof steel sleeves after the cushion construction, water seepage pipes are installed in the waterproof steel sleeves, and the top of each water seepage pipe is connected with a horizontal water drainage pipe through a three-way pipe.
Disclosure of Invention
Aiming at the defects in the prior art, the first purpose of the invention is to provide the post-cast strip structure for the bottom plate of the underground chamber under high confined water, which can realize uninterrupted precipitation during the main construction period, effectively reduce the water pressure of the confined water and avoid the uplift of the soil layer at the bottom of the post-cast strip.
The technical purpose of the invention is realized by the following technical scheme: a post-cast strip structure of a high-pressure-bearing underground chamber bottom plate comprises a first waterproof layer, a water-bearing layer, a second waterproof layer, a concrete cushion layer and a basement bottom plate from bottom to top, wherein the basement bottom plate is provided with a post-cast strip which extends to the concrete cushion layer, a concrete shrinkage compensation layer is arranged in the post-cast strip, the post-cast strip structure further comprises a drainage structure, the drainage structure comprises a steel sleeve, a water seepage pipe and a horizontal drainage pipe, the steel sleeve extends from the concrete shrinkage compensation layer to the water-bearing layer, the water seepage pipe is positioned in the steel sleeve and is arranged at an interval with the steel sleeve, two ends of the water seepage pipe extend out of the steel sleeve, water seepage holes of the water seepage pipe are formed in the side wall of the bottom extending out of the steel sleeve, and the outer side of the water seepage pipe extending out; a clay layer and a fine stone concrete layer are arranged between the steel sleeve and the water seepage pipe, the clay layer is positioned in the second waterproof layer, and the fine stone concrete layer is positioned above the second waterproof layer; the horizontal drainage pipe is communicated with the water seepage pipe in a sealing mode, extends to the exterior wall of the basement and is connected with a control valve.
Wherein the first waterproof layer, the second waterproof layer and the aquifer are generally taken by the original soil layer. Water buried under the surface of the earth is called groundwater; the rock and soil have big and small gaps, the rock with big gaps, pebbles and coarse sand have the best water permeability, and the rock stratum and the soil layer are easy to allow underground water to enter the gaps to form a water-bearing layer. On the contrary, the rock stratum and the soil stratum with poor water permeability are water-proof layers. The underground water is buried between the upper and lower water-resisting layers and bears a certain pressure, namely the pressure-bearing water. This scheme is passed through infiltration pipe, water level discharge pipe and is discharged the basement with the water pump drainage outside, can realize incessant precipitation during the main part construction, has effectively reduced the water pressure of confined water, avoids the soil layer uplift of post-cast strip bottom.
Furthermore, one end of the water seepage pipe, which is provided with the water seepage holes, is covered with a dense-mesh nylon net.
The coating of the dense-mesh nylon net reduces the possibility of blocking the seepage holes.
Furthermore, a first water stop steel plate is welded outside the steel sleeve and is located in the concrete cushion.
The first water stop steel plate is arranged to reduce the possibility of water upwelling from a gap between the steel sleeve and the concrete cushion.
Furthermore, a water stop steel plate II is arranged in the basement bottom plate and extends to the concrete shrinkage compensation layer.
The arrangement of the water stop steel plate II reduces the possibility of upwelling of water from the gap between the basement bottom plate and the concrete shrinkage compensation layer.
Furthermore, a waterproof layer is arranged at the joint of the upper end face of the concrete cushion layer and the steel sleeve.
The waterproof layer is arranged to further improve the waterproof property.
Furthermore, the bottom of the water seepage pipe is closed and provided with a through hole, an opening on the outer side of the through hole is smaller than an opening on the inner side of the through hole, a ball body is arranged in the through hole, a steel mesh is fixed in the water seepage pipe, and the steel mesh is positioned on the outer side of the ball body and is arranged at intervals with the ball body.
When the infiltration hole is blockked up, the spheroid can be pushed up when receiving the high pressure to open the through-hole, pressure water through getting into the infiltration pipe, the pressure water in the infiltration pipe can recoil (can close the control valve according to the circumstances) to the close mesh nylon wire, thereby erode the earth of depositing outside the close mesh nylon wire and get off, make the infiltration hole open, the steel mesh is used for restricting the spheroid position, makes the spheroid fall back sealed through-hole when pressure water reduces.
Furthermore, a filter layer is fixed on the inner side of the steel mesh.
The filter layer prevents the soil in the aquifer from entering the water seepage pipe.
Furthermore, the outer surface of the ball body is provided with a groove, and the groove is non-uniformly formed.
The setting of recess can be so that earth gets into in the recess, and certain rotation can take place for the spheroid when the pressure water gets into the through-hole to make when the pressure water reduces, the earth in the recess of spheroid bottom falls out because of the action of gravity.
The second purpose of the invention is to provide a construction method of a post-cast strip structure of a bottom plate of a high-pressure underwater chamber, which comprises the following steps: 1) welding the first water stop steel plate outside the steel sleeve; 2) pre-burying the steel sleeve, and pouring concrete to form a concrete cushion layer; 3) coating a dense mesh nylon net at the water seepage holes of the water seepage pipe to coat the dense mesh nylon net at the water seepage holes, and putting the water seepage pipe into the steel sleeve; 4) paving broken stone on the outer side of the water seepage pipe coated mesh nylon net to form a gravel layer; 5) backfilling clay until the water seepage pipe and the steel sleeve form a clay layer; 6) pouring fine stone concrete on the water seepage pipe and the steel sleeve to form a fine stone concrete layer, and connecting the horizontal drain pipe with the water seepage pipe; 7) waterproof treatment is carried out on the joint of the upper end surface of the concrete cushion layer and the steel sleeve; 8) pouring construction is carried out on the basement bottom plate to form a post-pouring belt, and a water stop steel plate II is placed in the basement bottom plate; 9) and pouring shrinkage-compensating concrete in the post-cast strip to form a concrete shrinkage-compensating layer.
In conclusion, the invention has the following beneficial effects: can realize incessant precipitation during the main part construction, effectively reduce the water pressure of confined water, avoid the soil layer uplift of post-cast strip bottom.
Drawings
FIG. 1 is a schematic sectional view of example 1;
FIG. 2 is a schematic plan view of embodiment 1;
FIG. 3 is a schematic view showing the connection relationship between the water seepage pipe and the dense mesh nylon net;
fig. 4 is an enlarged view of a portion a of fig. 3.
Reference numerals: 11. a first waterproof layer; 12. an aqueous layer; 13. a second waterproof layer; 14. a concrete cushion; 15. a basement floor; 16. post-pouring a belt; 17. a concrete shrinkage compensation layer; 21. steel casing; 22. a water seepage pipe; 221. a water seepage hole; 222. a through hole; 223. an annular guide angle; 23. a horizontal drain pipe; 3. a dense mesh nylon mesh; 4. a sphere; 41. a steel ball; 42. a rubber sleeve; 421. a groove; 5. a steel mesh; 6. a filter layer; 71. a crushed stone layer; 72. a clay layer; 73. a fine stone concrete layer; 74. a waterproof layer; 75. a first water stop steel plate; 76. a water stop steel plate II; 8. a basement exterior wall; 9. a control valve; 10. and (4) a water pump.
Detailed Description
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Example 1: a high-pressure-bearing underground chamber bottom plate post-cast strip structure comprises a first waterproof layer 11, a water-bearing layer 12, a second waterproof layer 13, a concrete cushion layer 14 and a basement bottom plate 15 from bottom to top as shown in figure 1, wherein the basement bottom plate 15 is provided with a post-cast strip 16, the post-cast strip 16 extends to the concrete cushion layer 14, a concrete shrinkage compensation layer 17 is arranged in the post-cast strip 16, and the concrete shrinkage compensation layer 17 is formed by pouring shrinkage compensation concrete.
As shown in figure 1, a drainage structure is further arranged in the concrete pad, the drainage structure comprises a steel sleeve 21, a water seepage pipe 22 and a horizontal drainage pipe 23, the steel sleeve 21 extends from the concrete shrinkage compensation layer 17 to the aquifer 12, a first water stop steel plate 75 is welded outside the steel sleeve 21, and the first water stop steel plate 75 is located in the concrete pad 14. And a second water stop steel plate 76 is arranged in the basement bottom plate 15, and the second water stop steel plate 76 extends to the concrete shrinkage compensation layer 17. And a waterproof layer 74 is arranged at the joint of the upper end surface of the concrete cushion layer 14 and the steel sleeve 21, and the waterproof layer 74 is a waterproof coiled material.
As shown in figure 1, the water seepage pipe 22 is positioned in the steel sleeve 21 and is arranged at an interval with the steel sleeve 21, two ends of the water seepage pipe 22 extend out of the steel sleeve 21, a water seepage hole 221 of the water seepage pipe 22 is arranged on the side wall of the bottom of the extending steel sleeve 21 (figure 3), and one end of the water seepage pipe 22, provided with the water seepage hole 221, is coated with the dense-mesh nylon net 3. Referring to fig. 4, the bottom of the water seepage pipe 22 is closed and is provided with a through hole 222, the side wall of the through hole 222 is a concave curved surface, the outer opening of the through hole 222 is smaller than the inner opening, a ball 4 is arranged in the through hole 222, and the ball 4 is abutted against the inner wall of the through hole 222. The steel ball 41 in the spheroid 4 and the rubber sleeve 42 of cover outside steel ball 41, seted up a plurality of recesses 421 on the rubber sleeve 42, the position inhomogeneous distribution of recess 421. A steel mesh 5 is fixed in the water seepage pipe 22, a filter layer 6 is fixed on the inner side of the steel mesh 5, the filter layer 6 is a dense-mesh nylon mesh, the steel mesh 5 is positioned on the outer side of the sphere 4 and is arranged at an interval with the sphere 4, and an annular guide angle 223 is formed between the upper end surface of the bottom of the water seepage pipe 22 and the contact end of the sphere 4, so that the sphere 4 can conveniently return to the through hole 222 when falling.
Referring to fig. 1, in order to primarily filter the soil in the aquifer 12 and to position the infiltration pipe 22, the infiltration pipe 22 extends out of the steel casing 21 and is laid with crushed stone to form a crushed stone layer 71. A clay layer 72 and a fine stone concrete layer 73 are arranged between the steel sleeve 21 and the water seepage pipe 22, the clay layer 72 is made of clay, the fine stone concrete layer 73 is made of fine stone concrete through pouring, the clay layer 72 is located in the second waterproof layer 13, and the fine stone concrete layer 73 is located above the second waterproof layer 13. As shown in FIG. 2, a horizontal drainage pipe 23 is in sealed communication with the water seepage pipe 22, the horizontal drainage pipe 23 extends to the outside of the basement outer wall 8 and is connected with a control valve 9, and the horizontal drainage pipe 23 is connected with the water pump 10 through a water pipe.
Example 2: a construction method of a post-cast strip structure of a bottom plate of a high-pressure-bearing underground chamber comprises the following steps: 1) welding the first water stop steel plate outside the steel sleeve 21; 2) pre-burying the steel sleeve 21, and pouring concrete to form a concrete cushion layer 14; 3) coating a dense mesh nylon net 3 at the water seepage holes 221 of the water seepage pipe 22 to coat the dense mesh nylon net 3 at the water seepage holes 221, and putting the water seepage pipe 22 into the steel sleeve 21; 4) paving broken stone on the outer side of the water seepage pipe 22 coated with the mesh nylon net to form a gravel layer 71; 5) backfilling clay until the water seepage pipe 22 and the steel sleeve 21 form a clay layer 72; 6) pouring fine stone concrete on the water seepage pipe 22 and the steel sleeve 21 to form a fine stone concrete layer 73, and connecting the horizontal drain pipe 23 with the water seepage pipe 22 through a three-way pipe; 7) a waterproof coiled material is placed at the joint of the upper end surface of the concrete cushion layer 14 and the steel sleeve 21 for waterproof treatment; 8) pouring construction is carried out on the basement bottom plate 15 to form a post-pouring belt 16, and a water-stopping steel plate II is placed in the basement bottom plate 15; 9) and pouring shrinkage-compensating concrete in the post-cast strip 16 to form a concrete shrinkage-compensating layer 17.
Claims (5)
1. The utility model provides a high pressure-bearing is pouring area structure behind basement bottom plate under water, includes water barrier one (11), aquifer (12), water barrier two (13), concrete bed course (14), basement bottom plate (15) from bottom to top, and a post-cast strip (16) is seted up in basement bottom plate (15), post-cast strip (16) extend to concrete bed course (14), set up concrete shrinkage compensation layer (17), its characterized in that in post-cast strip (16): the concrete water seepage device is characterized by further comprising a drainage structure, wherein the drainage structure comprises a steel sleeve (21), a water seepage pipe (22) and a horizontal drainage pipe (23), the steel sleeve (21) extends to a water-bearing stratum (12) from the concrete shrinkage compensation layer (17), the water seepage pipe (22) is positioned in the steel sleeve (21) and is arranged at intervals with the steel sleeve (21), two ends of the water seepage pipe (22) extend out of the steel sleeve (21), water seepage holes (221) of the water seepage pipe (22) are formed in the side wall of the bottom of the extending out of the steel sleeve (21), one end of the water seepage pipe (22) provided with the water seepage holes (221) is coated with a dense nylon net (3), and the outer side of the water seepage pipe (22) extending out of the steel sleeve (21) forms a gravel layer (71); a clay layer (72) and a fine stone concrete layer (73) are arranged between the steel sleeve (21) and the water seepage pipe (22), the clay layer (72) is positioned in the second waterproof layer (13), and the fine stone concrete layer (73) is positioned above the second waterproof layer (13); the horizontal drainage pipe (23) is communicated with the water seepage pipe (22) in a sealing way, the horizontal drainage pipe (23) extends out of the basement outer wall (8) and is connected with a control valve (9), and the horizontal drainage pipe (23) is connected with a water pump (10) through a water pipe; the bottom of the water seepage pipe (22) is closed and provided with a through hole (222), the opening of the outer side of the through hole (222) is smaller than the opening of the inner side, a sphere (4) is arranged in the through hole (222), a steel mesh (5) is fixed in the water seepage pipe (22), and the steel mesh (5) is positioned on the outer side of the sphere (4) and arranged at intervals with the sphere (4); a filter layer (6) is fixed on the inner side of the steel mesh (5);
the outer surface of the sphere (4) is provided with a groove (421), and the groove (421) is non-uniformly formed.
2. The high pressure bearing subsurface chamber floor post-cast strip structure as claimed in claim 1, wherein: a first water stop steel plate (75) is welded outside the steel sleeve (21), and the first water stop steel plate (75) is located in the concrete cushion (14).
3. The high pressure bearing subsurface chamber floor post-cast strip structure as claimed in claim 1, wherein: and a second water stop steel plate (76) is arranged in the basement bottom plate (15), and the second water stop steel plate (76) extends to the concrete shrinkage compensation layer (17).
4. The high pressure bearing subsurface chamber floor post-cast strip structure as claimed in claim 1, wherein: and a waterproof layer (74) is arranged at the joint of the upper end surface of the concrete cushion (14) and the steel sleeve (21).
5. The construction method of the post-cast strip structure of the bottom plate of the high-pressure-bearing underwater underground chamber as claimed in any one of claims 1 to 4, characterized by comprising the following steps: 1) welding the first water stop steel plate outside the steel sleeve (21); 2) pre-burying the steel sleeve (21), and pouring concrete to form a concrete cushion layer (14); 3) coating a dense mesh nylon net (3) at the position of a water seepage hole (221) of the water seepage pipe (22) to ensure that the water seepage hole (221) is coated by the dense mesh nylon net (3), and putting the water seepage pipe (22) into a steel sleeve (21); 4) paving broken stones on the outer side of the water seepage pipe (22) coated with the dense-mesh nylon net (3) to form a gravel layer (71); 5) backfilling clay to a position between the water seepage pipe (22) and the steel sleeve (21) to form a clay layer (72); 6) pouring fine stone concrete between the water seepage pipe (22) and the steel sleeve (21) to form a fine stone concrete layer (73), and connecting the horizontal drainage pipe (23) with the water seepage pipe (22); 7) waterproof treatment is carried out on the joint of the upper end surface of the concrete cushion (14) and the steel sleeve (21); 8) pouring construction is carried out on the basement bottom plate (15) to form a post-pouring belt (16), and a water-stopping steel plate II is placed in the basement bottom plate (15); 9) and pouring shrinkage-compensating concrete in the post-cast strip (16) to form a concrete shrinkage-compensating layer (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811314742.6A CN109372016B (en) | 2018-11-06 | 2018-11-06 | High-pressure-bearing underground chamber bottom plate post-cast strip structure and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811314742.6A CN109372016B (en) | 2018-11-06 | 2018-11-06 | High-pressure-bearing underground chamber bottom plate post-cast strip structure and construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109372016A CN109372016A (en) | 2019-02-22 |
| CN109372016B true CN109372016B (en) | 2021-03-19 |
Family
ID=65397782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811314742.6A Active CN109372016B (en) | 2018-11-06 | 2018-11-06 | High-pressure-bearing underground chamber bottom plate post-cast strip structure and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109372016B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109723071B (en) * | 2019-02-23 | 2021-02-09 | 杭州昂创科技有限公司 | Construction method of double-layer steel drum drainage system built in basement floor post-cast strip |
| CN110747873A (en) * | 2019-11-22 | 2020-02-04 | 上海宝冶集团有限公司 | Device for sealing post-pouring strip piping and construction method |
| CN111576461A (en) * | 2020-06-08 | 2020-08-25 | 浙江乔兴建设集团有限公司 | Post-cast strip drainage structure and construction method thereof |
| CN113323028A (en) * | 2021-04-26 | 2021-08-31 | 广东现代建筑设计与顾问有限公司 | Waterproof and moistureproof structure applied to sunken building |
| CN115584749A (en) * | 2022-10-12 | 2023-01-10 | 中国建筑第二工程局有限公司 | Building groundwater pressure stabilization anti-floating system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105926682A (en) * | 2016-05-13 | 2016-09-07 | 广西建工集团第二安装建设有限公司 | Basement baseplate post-cast strip construction method with pressure bearing water and higher water pressure |
-
2018
- 2018-11-06 CN CN201811314742.6A patent/CN109372016B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109372016A (en) | 2019-02-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109372016B (en) | High-pressure-bearing underground chamber bottom plate post-cast strip structure and construction method | |
| US6840710B2 (en) | Underground alluvial water storage reservoir and method | |
| CN103046565B (en) | Draining method for ultra-deep batholith deep foundation pit | |
| CN102425421B (en) | Novel water control method suitable for mine shafts | |
| CN108316354A (en) | With waterproof, the underground pipe gallery structure of drain function and its construction method | |
| CN208088344U (en) | With waterproof, the underground pipe gallery structure of drain function | |
| CN102383412A (en) | Construction method by adopting dewatering and water recharging to control sedimentation surrounding deep foundation pit | |
| CN102433886A (en) | Construction method for adding water lowering well in water collecting well | |
| LU500273B1 (en) | New comprehensive dewatering and drainage method and drainage device for mudstone subway station | |
| CN112252336A (en) | Construction method for backfilling foundation trench of premixed fluidized solidified soil | |
| CN102535488A (en) | Waterproof construction method and system for bottom plate of high-water-level basement | |
| CN104847010A (en) | Urban miniature underground reservoir and construction method | |
| CN113175005B (en) | Anti-floating design and construction method for waterproof bottom plate of underground garage in rainstorm period | |
| CN109403332B (en) | Method for combined excavation of layered bench sections of deep foundation pit of sandy cobble thick covering layer wide shallow valley | |
| CN106284434A (en) | The anti-float method of a kind of underground structure and every oozing device | |
| CN108867673A (en) | A kind of underwater prevention method in the foundation pit based on the curtain that draws water | |
| CN107100206A (en) | A kind of prevention and controls of basement leakage | |
| CN105484277A (en) | Component for tubular well precipitation construction in elevator foundation pit or sump and construction method | |
| CN107687155B (en) | Anti-seepage and anti-lifting structure of basin and arrangement method | |
| CN110565774B (en) | Construction method of basement open drainage system with weak permeability soil | |
| CN108824465B (en) | Foundation pit engineering dewatering construction structure and construction method | |
| CN110287563B (en) | Method for determining design parameters of foundation pit deep horizontal back cover waterproof curtain | |
| Chen et al. | Application of new concept waterproofing in Xiang’an undersea tunnel, China | |
| CN207405760U (en) | The sustainable guarded drainage construction of hypogee exterior wall | |
| CN220058012U (en) | Fertilizer groove backfilling and anti-floating pressure relief observation matching system |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |