CN111663567B - Anti-leakage integrated construction method for foundation pit basement channel structure - Google Patents
Anti-leakage integrated construction method for foundation pit basement channel structure Download PDFInfo
- Publication number
- CN111663567B CN111663567B CN202010617036.XA CN202010617036A CN111663567B CN 111663567 B CN111663567 B CN 111663567B CN 202010617036 A CN202010617036 A CN 202010617036A CN 111663567 B CN111663567 B CN 111663567B
- Authority
- CN
- China
- Prior art keywords
- water
- basement
- underground passage
- foundation pit
- construction
- 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
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
-
- 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
- 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
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/22—Adaptations of pumping plants for lifting sewage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
Abstract
The invention relates to the technical field of constructional engineering, and discloses an anti-leakage integrated construction method for a foundation pit basement channel structure, which comprises a water stop steel plate, wherein the method comprises the following steps of: 1) taking the expansion joint at the tail end of the basement as a construction joint, and moving the construction joint to the center of the underground passage by 500 mm; 2) additionally arranging a water stop steel plate at the construction joint; the expansion joint at the connecting part of the original basement and the underground passage is moved to the center of the underground passage and is treated as a construction joint, and then a steel plate waterstop is additionally arranged at the construction joint, so that the position of the construction joint is changed, conditions are created for synchronous construction of concrete structures on two sides of the construction joint, the service life of the rubber waterstop during subsequent underground passage construction is effectively protected, and the aging problem of the rubber waterstop caused by the construction sequence is avoided; still add the sump pit in underground passage, for the later stage solve local required prevention and drainage scheme of seepage provides the condition, it is very convenient.
Description
Technical Field
The invention relates to the technical field of building engineering, in particular to an anti-leakage integrated construction method for a foundation pit basement channel structure.
Background
With the rapid development of the urbanization process in China, the building of basements of houses is more and more common, and underground passages need to be constructed among the basements, wherein the building sequence of the underground passages is behind the building sequence of the basements.
At present, in order to enhance the anti-leakage capacity of an underground passage and a basement, a rubber waterstop is required to be arranged at the position of an expansion joint at the junction of the underground passage and the basement for flexible water stop.
In the prior art, although flexible water stopping is carried out by arranging a rubber water stop belt for an underground passage and an expansion joint at the junction of the underground passage, the traditional method has certain defects in practice due to the sequential influence of the site construction sequence of the underground passage:
(1) generally, after the construction of the basement is completed, if the rubber water stop is constructed synchronously with the basement, the exposed part of the rubber water stop is easy to age and has a leakage risk in the long time from the completion of the basement to the beginning of the construction of the underground passage.
(2) The underpass is a weak area for preventing and treating the leakage of the building structure, a certain distance exists between the underpass area and the water collecting well adjacent to the underpass area, and when the local leakage of the underpass occurs, the underpass is required to be drained inconveniently by the aid of the water collecting well adjacent to the underpass.
Disclosure of Invention
The invention aims to provide an anti-leakage integrated construction method for a basement channel structure of a foundation pit, and aims to improve the anti-leakage capacity of the basement and an underground channel.
The invention is realized in this way, a foundation pit basement channel structure antiseep integrated construction method, including the stagnant water steel sheet, wherein has the following steps:
1) taking the expansion joint at the tail end of the basement as a construction joint, and moving the construction joint to the center of the underground passage by 500 mm;
2) additionally arranging a water stop steel plate at the construction joint;
3) and when the basement is constructed in advance and the underground passage is constructed later, constructing the underground passage from the position of the construction joint, and additionally arranging at least two water collecting wells on the underground passage.
Further, in the step (2), the water stop steel plate is transversely arranged in the construction joint.
Further, in the step (3), the water collecting wells are symmetrically arranged on the bottom plates at two sides of the underground passage.
Furthermore, the water collecting well is provided with a water pumping structure, the water pumping structure comprises a water level detection piece, a water pump and a fixed frame, and the fixed frame is fixedly connected with the water level detection piece and the water pump respectively; the mount is fixed the suction pump, water level detection spare response the water level height, the suction pump orders about the water of sump pit passes through the pipeline toward the underground passage flows outward.
Furthermore, the fixing frame extends from top to bottom and is fixedly connected with the side wall of the water collecting well.
Furthermore, a groove is formed in the side wall of the water collecting well, a protruding block is formed on the fixing frame, a spiral piece is arranged on the fixing frame, the protruding block is embedded into the groove, and the spiral piece is screwed into the side wall of the water collecting well.
Further, the screw pieces in pairs are symmetrically arranged on the upper side and the lower side of the lug.
Furthermore, the water level detection piece comprises a control piece and a sensing piece, the control piece is fixedly connected with the lower end of the fixing frame, and the sensing piece is connected with the control piece; the lower extreme of response piece is equipped with water pressure detection piece, water pressure detection piece down extends to arrange.
Furthermore, the fixing frame comprises a shockproof piece, and the shockproof piece is connected with the water pump; the shockproof piece comprises two steel plates which are arranged up and down and a spring piece arranged between the two steel plates.
Further, a pipeline groove is formed in the side wall of the water collecting well, and a pipeline of the water suction pump is embedded in and arranged along the pipeline groove.
Compared with the prior art, the anti-leakage integrated construction method for the foundation pit basement channel structure provided by the invention has the advantages that the expansion joint at the connecting part of the original basement and the underground channel is moved to the center of the underground channel and is treated as the construction joint, then the steel plate waterstop is additionally arranged on the construction joint, and the position of the construction joint is changed, so that conditions are created for the synchronous construction of concrete structures at two sides of the construction joint, the service life of the rubber waterstop during the subsequent underground channel construction is effectively protected, and the aging problem of the rubber waterstop caused by the construction sequence is avoided; still add the sump pit in underground passage, for the later stage solve local required prevention and drainage scheme of seepage provides the condition, it is very convenient.
Drawings
FIG. 1 is a schematic step diagram of an anti-leakage integrated construction method for a foundation pit basement channel structure provided by the invention;
FIG. 2 is a schematic cross-sectional view of a bottom plate structure of an anti-leakage integrated construction method for a foundation pit basement channel structure provided by the invention;
FIG. 3 is a schematic front view of a waterproofing membrane and mounting device according to the present invention;
FIG. 4 is a schematic cross-sectional view of a subterranean passageway provided by the present invention;
fig. 5 is a schematic side view of the water pumping structure provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
Referring to fig. 1-5, preferred embodiments of the present invention are shown.
The anti-leakage integrated construction method for the foundation pit basement channel structure can be used for anti-leakage construction of the foundation pit basement channel structure.
An anti-leakage integrated construction method for a foundation pit basement channel structure comprises a water stop steel plate 12, and comprises the following steps:
1) taking the expansion joint at the tail end of the basement 13 as a construction joint 11, and moving the construction joint 11 to the center of the underground passage 14 by 500 mm;
2) a water stop steel plate 12 is additionally arranged at the construction joint 11;
3) the basement 13 is constructed in advance, and then when the underground passage 14 is constructed, the underground passage 14 is constructed from the position of the construction joint 11, and at least two water collecting wells are additionally arranged on the underground passage 14.
The expansion joint at the connecting part of the original basement 13 and the underground passage 14 is moved to the center of the underground passage 14 and is treated as a construction joint 11, then a steel plate waterstop is additionally arranged on the construction joint 11, and the position of the construction joint 11 is changed, so that conditions are created for synchronous construction of concrete structures on two sides of the construction joint 11, the service life of the rubber waterstop during subsequent construction of the underground passage 14 is effectively protected, and the aging problem of the rubber waterstop caused by the construction sequence is avoided; and a water collecting well is additionally arranged in the underground passage 14, so that conditions are provided for a drainage prevention scheme required for solving local leakage at a later stage, and convenience is brought.
Specifically, in step (2), stagnant water steel sheet 12 is violently separated in construction joint 11, and like this, stagnant water steel sheet 12 has acted as the effect of metal waterstop, plays the waterproof effect to construction joint 11, and when waiting for follow-up construction to begin to construct underground passage 14, only need along construction joint 11 continue to use underground passage 14 can, very convenient.
In the step (3), the water collecting wells are symmetrically arranged on the bottom plates at two sides of the underground passage 14, and specifically, the water collecting wells are arranged on the bottom plates at two sides of the underground passage 14 by taking the central line as a symmetric center.
More specifically, the bottom plate is sunken to form a water collecting well, so that conditions are provided for a later-stage drainage prevention scheme required for solving local leakage, and the device is very convenient.
The water collecting well is provided with a water pumping structure 18, the water pumping structure 18 comprises a water level detection piece 20, a water pump and a fixed frame 19, and the fixed frame 19 is fixedly connected with the water level detection piece 20 and the water pump respectively; the fixed frame 19 is used for fixing a water suction pump, the water level detection piece 20 is used for detecting the height of the water level, and the water suction pump drives the water in the water collecting well to flow out of the underground passage 14 through the pipeline; the fixing frame 19 extends from top to bottom and is fixedly connected with the side wall of the water collecting well.
Wherein, a groove is formed on the side wall of the water collecting well, a convex block is formed on the fixing frame 19, a spiral piece is arranged on the fixing frame 19, the convex block is embedded into the groove, and the spiral piece is screwed into the side wall of the water collecting well.
Wherein the paired screw members are disposed symmetrically in the upper and lower sides of the projection, so that the fixing ability of the fixing frame 19 can be enhanced.
The water level detection part 20 comprises a control part and a sensing part 23, the control part is fixedly connected with the lower end of the fixed frame 19, and the sensing part 23 is connected with the control part; the lower extreme of response 23 is equipped with water pressure detection piece, and water pressure detection piece down extends to arrange.
The fixed frame 19 comprises a shockproof piece 21, and the shockproof piece 21 is connected with a water pump; the shock absorbing member 21 includes two steel plates arranged up and down and a spring member provided between the two steel plates.
In addition, a pipeline groove is formed on the side wall of the water collecting well, and a pipeline of the water suction pump is embedded and arranged along the pipeline groove.
In addition, the inner periphery of the upper end opening of the water collecting well is formed with a slope, which is convenient for draining water.
Furthermore, the underground passage 14 is provided with upward slopes on two sides, so that water leaked from the underground passage 14 can be gathered towards the center of the underground passage 14, and the subsequent arrangement of a drainage scheme is more convenient.
Specifically, in which the drain pump 22 is controlled by a switch in addition to the control member, when the switch is activated, the drain pump 22 continuously pumps water out of the sump well.
There is also an embodiment in which the drain pump 22 is provided inside a waterproof case connected to the fixing frame 19 such that the upper and lower sides of the waterproof case are provided with openings, respectively, and the pipes of the drain pump 22 are extended from the openings of the upper and lower sides, respectively.
In addition, the two sides of the water stop steel plate 12 are tilted, so that a better water stop function is achieved.
And (3) when the underground passage 14 is constructed in the step (4), an anti-leakage coiled material and a mounting device 16 thereof are used for covering the inner side wall of the underground passage 14, and the anti-leakage coiled material comprises a waterproof coiled material 15 and the mounting device 16, wherein the waterproof coiled material 15 covers the side wall of the underground passage 14, and the mounting device 16 is used for fixing the waterproof coiled material 15.
Specifically, the mounting device 16 includes an engaging member, wherein the engaging member includes a first fixing block and a second fixing block, wherein the first fixing block is connected to the waterproofing membrane 15, wherein the second fixing block is connected to a fastening block on the inner wall of the underground passage 14, and the first fixing block is fixedly connected to the second fixing block.
The waterproof roll 15 is provided with a plurality of attaching pieces, so that the second fixing blocks are connected with the clamping blocks to drive the waterproof roll 15 to be attached to the inner wall of the underground passage 14.
Specifically, buckle portion is formed on the buckle piece, and the connecting portion with buckle portion lock joint is formed on the second fixed block, and like this, connecting portion from the top down inserts in the buckle portion, and is very convenient.
Also, the waterproof roll 15 is formed with a plurality of texture grooves 17, and particularly, the plurality of texture grooves 17 are arranged from top to bottom, so that even if the underground passage 14 is leaked, water flows to the bottom from top to bottom along the texture grooves 17, and is gathered to the center of the underground passage 14.
And when the underground passage 14 is constructed, a buried metal water stop is additionally arranged in the expansion joint of the underground passage 14.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The anti-leakage integrated construction method of the foundation pit basement channel structure is characterized by comprising a water stop steel plate, wherein the method comprises the following steps:
1) taking the expansion joint at the tail end of the basement as a construction joint, and moving the construction joint to the center of the underground passage by 500 mm;
2) additionally arranging a water stop steel plate at the construction joint;
3) constructing the basement in advance, and when constructing the underground passage, constructing the underground passage from the position of the construction joint, and additionally arranging at least two water collecting wells on the underground passage;
in the step (2), the water stop steel plate is transversely arranged in the construction joint.
2. The integrated construction method for preventing leakage of the foundation pit and basement channel structure as claimed in claim 1, wherein in step (3), said water collecting wells are symmetrically arranged on the bottom plates at both sides of said underground channel.
3. The integrated construction method for preventing leakage of the foundation pit and basement channel structure as claimed in any one of claims 1-2, wherein said water collecting well is provided with a water pumping structure, said water pumping structure comprises a water level detecting member, a water pump and a fixing frame, said fixing frame is fixedly connected with said water level detecting member and said water pump respectively; the mount is fixed the suction pump, water level detection spare responds to the water level height, the suction pump orders about the water of sump pit passes through the pipeline toward the underground passage flows outward.
4. The integrated construction method for preventing leakage of the foundation pit and basement channel structure as claimed in claim 3, wherein the fixing frame is extended from top to bottom and is fixedly connected with the sidewall of the water collecting well.
5. The integrated construction method for preventing leakage of foundation pit and basement channel structure as claimed in claim 4, wherein a groove is formed on the sidewall of said catch basin, a protrusion is formed on said fixing frame, and a screw is provided on said fixing frame, said protrusion is embedded in said groove, said screw is screwed into the sidewall of said catch basin.
6. The integrated construction method for preventing leakage of the foundation pit and basement channel structure as claimed in claim 5, wherein the screw members in pairs are symmetrically arranged on the upper and lower sides of the projection.
7. The integrated construction method for preventing leakage of the foundation pit and basement channel structure as claimed in claim 6, wherein said water level detecting member includes a control member and a sensing member, said control member is fixedly connected to the lower end of said fixing frame, said sensing member is connected to said control member; the lower extreme of response piece is equipped with water pressure detection piece, water pressure detection piece down extends to arrange.
8. The integrated construction method for preventing leakage of the foundation pit and basement channel structure as claimed in claim 3, wherein the fixing frame comprises a shock-proof member, the shock-proof member is connected with the water pump; the shockproof piece comprises two steel plates which are arranged up and down and a spring piece arranged between the two steel plates.
9. The integrated construction method for preventing leakage of the foundation pit and basement channel structure as claimed in claim 3, wherein a pipe groove is formed on a side wall of the water collecting well, and the pipe of the water pump is embedded along the pipe groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010617036.XA CN111663567B (en) | 2020-06-30 | 2020-06-30 | Anti-leakage integrated construction method for foundation pit basement channel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010617036.XA CN111663567B (en) | 2020-06-30 | 2020-06-30 | Anti-leakage integrated construction method for foundation pit basement channel structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111663567A CN111663567A (en) | 2020-09-15 |
| CN111663567B true CN111663567B (en) | 2022-01-04 |
Family
ID=72390665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010617036.XA Active CN111663567B (en) | 2020-06-30 | 2020-06-30 | Anti-leakage integrated construction method for foundation pit basement channel structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111663567B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH049562A (en) * | 1990-04-27 | 1992-01-14 | Toshiba Corp | Water supplying device for ice making machine |
| KR20020013168A (en) * | 2000-08-11 | 2002-02-20 | 엄기형 | A drainage construction method of ground floor |
| CN202450435U (en) * | 2012-02-24 | 2012-09-26 | 河北路桥集团第七工程有限公司 | Antiseep composite waterstop for bridge |
| CN205617445U (en) * | 2016-03-22 | 2016-10-05 | 中国电建集团华东勘测设计研究院有限公司 | Structure is handled to percolating water of construction joint |
| CN110295624A (en) * | 2019-06-28 | 2019-10-01 | 上海二十冶建设有限公司 | Crossroad underground pedestrian walk and pipe gallery build structure and its construction method jointly |
| CN209818109U (en) * | 2019-05-09 | 2019-12-20 | 李申惠 | Tunnel pavement drainage reconstruction structure |
-
2020
- 2020-06-30 CN CN202010617036.XA patent/CN111663567B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH049562A (en) * | 1990-04-27 | 1992-01-14 | Toshiba Corp | Water supplying device for ice making machine |
| KR20020013168A (en) * | 2000-08-11 | 2002-02-20 | 엄기형 | A drainage construction method of ground floor |
| CN202450435U (en) * | 2012-02-24 | 2012-09-26 | 河北路桥集团第七工程有限公司 | Antiseep composite waterstop for bridge |
| CN205617445U (en) * | 2016-03-22 | 2016-10-05 | 中国电建集团华东勘测设计研究院有限公司 | Structure is handled to percolating water of construction joint |
| CN209818109U (en) * | 2019-05-09 | 2019-12-20 | 李申惠 | Tunnel pavement drainage reconstruction structure |
| CN110295624A (en) * | 2019-06-28 | 2019-10-01 | 上海二十冶建设有限公司 | Crossroad underground pedestrian walk and pipe gallery build structure and its construction method jointly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111663567A (en) | 2020-09-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100710920B1 (en) | Apparatus for draining subsurface water | |
| KR101577977B1 (en) | Floodgate using hydraulic cylinder | |
| CN212835493U (en) | Underground cast-in-place concrete structure movement joint water drainage preventing structure | |
| CN111663567B (en) | Anti-leakage integrated construction method for foundation pit basement channel structure | |
| CN210657976U (en) | Water stopping and guiding device for bridge expansion joint device | |
| CN214993980U (en) | Deep foundation pit sewage discharging device | |
| CN206956917U (en) | A kind of automatically cleaning pumping plant base for collecting sludge certainly | |
| KR200411498Y1 (en) | Vertical type basement drainage system | |
| JP2619605B2 (en) | Tide prevention device | |
| KR102036732B1 (en) | Waterproof apparatus | |
| KR200314875Y1 (en) | Connector for apparatus draining | |
| JP7125138B2 (en) | Water stop device | |
| KR20020013168A (en) | A drainage construction method of ground floor | |
| CN219992552U (en) | Seepage flow guiding device for structural settlement joint | |
| CN219794163U (en) | Basement engineering dewatering drainage system | |
| CN212078203U (en) | A sump pit structure for tunnel access & exit | |
| KR200242253Y1 (en) | Drain pipe of tunnel | |
| CN217231907U (en) | Foundation pit dewatering system | |
| JP2529288Y2 (en) | Inverting structure of manhole for manhole pump | |
| CN109487886A (en) | The siphon drainge system of underground garage | |
| CN114164847B (en) | Emergency drainage system and method for underground building | |
| CN214301840U (en) | Prefabricated structure of assembled city underground pipe gallery | |
| JP7125139B2 (en) | Water stoppage device and installation and removal method of water stoppage device | |
| KR100627685B1 (en) | Ground Leachate Drainage Apparatus of Construction Work | |
| CN220598488U (en) | Plugging device for deep well of building engineering after lowering underground water level |
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 |