CN114941349A - Rapid leakage stopping device and method for water leakage of diaphragm wall joint - Google Patents

Rapid leakage stopping device and method for water leakage of diaphragm wall joint Download PDF

Info

Publication number
CN114941349A
CN114941349A CN202210679124.1A CN202210679124A CN114941349A CN 114941349 A CN114941349 A CN 114941349A CN 202210679124 A CN202210679124 A CN 202210679124A CN 114941349 A CN114941349 A CN 114941349A
Authority
CN
China
Prior art keywords
steel plate
leaking stoppage
supporting
diaphragm wall
weight box
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.)
Granted
Application number
CN202210679124.1A
Other languages
Chinese (zh)
Other versions
CN114941349B (en
Inventor
王国林
孙东晓
东盼
于福来
郑勇
李文斌
吴成
花明松
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Civil Engineering Co Ltd of CREC
Municipal Environmental Protection Engineering Co Ltd of Shanghai Civil Engineering Co Ltd of CREC
Original Assignee
Shanghai Civil Engineering Co Ltd of CREC
Municipal Environmental Protection Engineering Co Ltd of Shanghai Civil Engineering Co Ltd of CREC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Civil Engineering Co Ltd of CREC, Municipal Environmental Protection Engineering Co Ltd of Shanghai Civil Engineering Co Ltd of CREC filed Critical Shanghai Civil Engineering Co Ltd of CREC
Priority to CN202210679124.1A priority Critical patent/CN114941349B/en
Publication of CN114941349A publication Critical patent/CN114941349A/en
Application granted granted Critical
Publication of CN114941349B publication Critical patent/CN114941349B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/16Arrangement or construction of joints in foundation structures
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D19/00Keeping dry foundation sites or other areas in the ground
    • E02D19/06Restraining of underground water
    • E02D19/12Restraining of underground water by damming or interrupting the passage of underground water
    • E02D19/20Restraining of underground water by damming or interrupting the passage of underground water by displacing the water, e.g. by compressed air
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/02Protective 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
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/18Bulkheads or similar walls made solely of concrete in situ

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Bulkheads Adapted To Foundation Construction (AREA)

Abstract

The invention relates to a quick leaking stoppage device for water leakage of a diaphragm wall joint, which comprises a leaking stoppage steel plate, wherein a pipe fitting matched with a diaphragm wall leak is connected and arranged on the leaking stoppage steel plate; the first end of the steel plate erecting device is connected with the side wall of the weight box, and the second end of the steel plate erecting device is connected with the bottom of the leaking stoppage steel plate and is used for erecting the leaking stoppage steel plate; the first end of each steel plate supporting device is connected with the weight box, and the second end of each steel plate supporting device is supported on the leaking stoppage steel plate in a vertical state and used for supporting the leaking stoppage steel plate on the diaphragm wall; and the bottom supporting devices are all fixed at the bottom of the weight box and inserted into the ground, so that the weight box is fixed on the ground. The rapid leakage stoppage device can effectively reduce the leakage stoppage time of the diaphragm wall; the device has the advantages of convenience, rapidness and simple operation.

Description

Rapid leakage blocking device and method for water leakage of diaphragm wall joint
Technical Field
The invention relates to the field of buildings, in particular to a device and a method for quickly stopping leakage of water leakage of a ground wall joint.
Background
The water leakage at the joint of the diaphragm wall mainly refers to the loose contact between the block wall and the partition pile and the existence of a sediment interlayer. This is a difficult engineering problem to avoid, and therefore the diaphragm wall plugging method becomes a problem that each project has to face.
The rapid leakage stoppage of the diaphragm wall can prevent the expansion of the leakage point of the diaphragm wall, so that the rapid leakage stoppage device for the water leakage of the diaphragm wall joint is urgently needed to solve the problem of the leakage stoppage of the diaphragm wall leak in the engineering.
Disclosure of Invention
In order to achieve the purpose, the invention mainly provides a quick water leakage stopping device for a diaphragm wall joint, which is used for quickly stopping the leakage of a diaphragm wall leak.
The invention provides a quick leaking stoppage device for water leakage of a ground wall joint, which comprises:
the leakage blocking steel plate is connected with a pipe fitting matched with a leak on the diaphragm wall;
the first end of the steel plate erecting device is connected with the bottom of the weight box, and the second end of the steel plate erecting device is connected with the bottom of the leaking stoppage steel plate and used for erecting the leaking stoppage steel plate;
the first end of each steel plate supporting device is connected with the side wall of the weight box, and the second end of each steel plate supporting device is connected to the leaking stoppage steel plate in a vertical state in a supporting mode and used for supporting the leaking stoppage steel plate on the underground diaphragm wall;
and the bottom supporting devices are all fixed at the bottom of the weight box and inserted into the ground, so that the weight box is fixed on the ground.
Preferably, the steel plate erecting device comprises a telescopic section connected with the weight box, a rotating section connected with the leaking stoppage steel plate and a hydraulic device for providing power; the flexible section is connected with the rotation section rotation, and hydraulic means is connected and drive rotation section rotation with the rotation section, and the rotation section is rotated the leaking stoppage steel sheet from horizontal position to upright position under hydraulic means's drive.
Preferably, the length of the telescopic section is adjustable.
Preferably, the first end of the steel plate supporting device is a supporting arm, the second end of the steel plate supporting device is a supporting head, and the cross-sectional area of the supporting head is larger than that of the supporting arm.
Preferably, the support arm is adjustable in length.
Preferably, the bottom support device comprises a support rod, a support foot positioned at the bottom of the support rod, and a damping block arranged on the support rod.
Preferably, the length of the support rod is adjustable.
The invention also provides a quick leaking stoppage method for water leakage of the underground diaphragm wall joint, which is realized by adopting the leaking stoppage device and comprises the following steps:
manufacturing a leaking stoppage steel plate according to the holes of the diaphragm wall, and fixing the position of a pipe fitting on the leaking stoppage steel plate;
fixing the weight box on the ground by using the bottom support device;
fixing a first end of the vertical steel plate device on the weight box, connecting a second end of the vertical steel plate device with the bottom of the leaking stoppage steel plate, and rotating the second end to vertically erect the leaking stoppage steel plate;
fixing a first end of a steel plate supporting device on the side wall of the weight box, and connecting a second end of the steel plate supporting device on a leaking stoppage steel plate in a supporting manner so as to tightly press the leaking stoppage steel plate on the diaphragm wall and insert a pipe fitting into a leak of the diaphragm wall;
accumulated water in the leak of the diaphragm wall is discharged through the pipe fitting;
after accumulated water is drained, the pipe fittings are plugged, and the top of the diaphragm wall is grouted to seal the leak hole.
Furthermore, after the leaking stoppage steel plate is erected, the lengths of the supporting arms and the telescopic sections are adjusted to adjust the distance between the leaking stoppage steel plate and the weight box, so that the leaking stoppage steel plate is conveniently pressed and supported on the underground diaphragm wall.
The invention has the following beneficial effects:
the leakage stoppage time of the diaphragm wall is effectively reduced;
convenient and fast use and simple operation.
Drawings
FIG. 1 is a schematic view of the vertical steel plate apparatus of the present invention placed on the bottom of a leaking stoppage steel plate;
FIG. 2 is a schematic view of the process of erecting a leaking stoppage steel plate by the apparatus for erecting a steel plate of the present invention;
fig. 3 is a schematic view of the quick plugging device of the present invention being transported to a diaphragm wall;
FIG. 4 is a schematic view of a plugging diaphragm wall of the rapid plugging device of the present invention;
FIG. 5 is a schematic view of a leaking stoppage steel sheet of the present invention;
FIG. 6 is a schematic view of the present invention apparatus for erecting steel panels;
FIG. 7 is a schematic view of the bottom support apparatus of the present invention.
Detailed Description
The invention provides a device and a method for quickly stopping leakage of water of a ground wall joint, which are disclosed by the invention and further explained in detail with reference to the attached drawings and the detailed description. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are all used in a non-precise scale for the purpose of facilitating and distinctly aiding in the description of the embodiments of the present invention. To make the objects, features and advantages of the present invention comprehensible, reference is made to the accompanying drawings. It should be understood that the structures, ratios, sizes, etc. shown in the drawings and attached to the description are only for understanding and reading the disclosure of the present disclosure, and are not for limiting the scope of the present disclosure, so they do not have the essential meaning in the art, and any modifications of the structures, changes of the ratio relationships, or adjustments of the sizes, should fall within the scope of the present disclosure without affecting the efficacy and the achievable purpose of the present disclosure.
As shown in fig. 1 to 5, the present invention is a schematic view of a rapid leak stopping device for water leakage of a diaphragm wall joint to stop leaking of a diaphragm wall, wherein the rapid leak stopping device specifically comprises:
the leakage stopping steel plate 1 is connected with a pipe fitting 12 matched with a leak on the diaphragm wall 10, as shown in figure 5, the leakage stopping steel plate 1 is manufactured by penetrating an iron pipe fitting 12 through a steel plate 11 according to the position of the leak on the diaphragm wall 10, the outer diameter of the pipe fitting 12 is matched with the inner diameter of the leak, and the inner diameter of the pipe fitting 12 is smaller than the inner diameter of the leak;
the first end of the steel plate erecting device 4 is connected with the bottom end of the weight box 5, and the second end of the steel plate erecting device is connected with the bottom of the leaking stoppage steel plate 1 and used for enabling the leaking stoppage steel plate 1 to be in an erecting state;
the first end of each steel plate supporting device 3 is connected with the side wall of the weight box 5, the second end of each steel plate supporting device 3 is connected to the leaking stoppage steel plate 1 in a vertical state in a supporting mode, the steel plate supporting devices 3 transmit the thrust of the weight box 5 to the leaking stoppage steel plate 1, so that the leaking stoppage steel plate 1 is supported on the ground connecting wall 10, and meanwhile, the pipe fittings 12 of the leaking stoppage steel plate 1 are correspondingly inserted into leaks of the ground connecting wall 10;
and the bottom supporting devices 2 are fixed at the bottom of the weight box 5 and inserted into the ground, so that the weight box 5 is fixed on the ground. The weight box 5 can be internally added with a heavy object to increase the weight, so that the steel plate can be more stably fixed on the ground, the leaking stoppage steel plate 1 can be stably supported on the underground diaphragm wall 10 by the steel plate supporting devices 3, and the steel plate supporting devices 3 can be arranged between the weight box 5 and the underground diaphragm wall 10 to increase the stability of supporting the leaking stoppage steel plate 1.
As shown in fig. 6, the vertical steel plate device 4 comprises a telescopic section 41 connected with the weight box, a rotating section 42 connected with the plugging steel plate 1 and a hydraulic device 43 for supplying power; the telescopic section 41 is rotatably connected with the rotating section 42, and a hinge 44 is adopted to connect the telescopic section and the rotating section; the telescopic section 41 is horizontally arranged and connected with the bottom end of the weight box 5, and the rotating section 42 can rotate to be vertical to the telescopic section 41 through a hinge 44; the hydraulic device 43 is an electric hydraulic pump arranged at the bottom of the telescopic section 41, and is connected with the rotating section 42 for driving the rotating section 42 to rotate, and after the rotating section 42 rotates around the hinge 44 under the driving of the hydraulic device 43, the rotating section synchronously drives the leaking stoppage steel plate 1 connected with the rotating section 42 to rotate together, so that the leaking stoppage steel plate 1 is rotated to the vertical position from the horizontal position.
As shown in fig. 3, the erected leaking stoppage steel plate 1 is supported horizontally by a plurality of steel plate supporting devices 3, and is supported vertically by the telescopic sections 41 of the erected steel plate devices 4.
Preferably, the length of the telescopic section 41 is adjustable, after the leaking stoppage steel plate 1 is erected, the leaking stoppage steel plate 1 is close to the leaking part of the underground diaphragm wall 10, and the lengths of the telescopic section 41 and the steel plate supporting devices 3 are adjusted, so that the leaking stoppage steel plate 1 is pressed on the underground diaphragm wall 10.
As shown in FIG. 1, the first end of the steel plate supporting device 3 is a supporting arm 32 connected with the side wall of the weight box 5, and the second end is a supporting head 31 contacting with the leaking stoppage steel plate 1 in the vertical state, wherein the cross-sectional area of the supporting head 31 is larger than that of the supporting arm 32, so as to better support the leaking stoppage steel plate 1. Preferably, the length of the supporting arm 32 is adjustable (for example, it can be realized by using a telescopic tube structure), and the length is adjusted according to the distance between the weight box 5 and the underground diaphragm wall 10.
As shown in fig. 7, the bottom supporting device 2 includes a conical supporting leg 21, a supporting bar 23, and a damping block 22, wherein the damping block 22 is fixed on the supporting bar 23, the top of the supporting bar 23 is fixedly connected to the weight box 5, the bottom of the supporting bar 23 is connected to the conical supporting leg 21, the conical supporting leg 21 is set to be capable of easily pricking into the ground, and the damping block 22 in the middle of the supporting bar 23 is also embedded into the ground to increase the gripping force with the ground, thereby increasing the stability of the bottom supporting device 2.
Preferably, the length of the support rod 23 is adjustable (for example, it can be realized by using a telescopic pipe structure), and support rods 23 with different lengths are used according to the characteristics of different geology.
The invention also provides a quick leaking stoppage method for water leakage of the underground diaphragm wall joint, which is realized by adopting the leaking stoppage device and comprises the following steps:
the leak stopping steel plate 1 is manufactured according to the leak of the diaphragm wall, specifically, a pipe fitting 12 is fixedly inserted on a steel plate 11 and is arranged corresponding to the leak position of the diaphragm wall,
the weight box 5 is fixed on the ground by the bottom support device 2;
fixing a first end of an upright steel plate device 4 on a weight box 5, connecting a second end of the upright steel plate device 4 with the bottom of a leaking stoppage steel plate 1, erecting the leaking stoppage steel plate 1 by rotating the second end, and adjusting the length of the first end of the upright steel plate device 4 according to the distance between a diaphragm wall 10 and the weight box 5 so that the leaking stoppage steel plate 1 is just attached to the diaphragm wall 10;
fixing a first end of a steel plate supporting device 3 on the side wall of the weight box 5, adjusting the length of the steel plate supporting device 3 to enable a second end of the steel plate supporting device to be tightly attached to and supported on the leakage stoppage steel plate 1, pressing the leakage stoppage steel plate 1 on the diaphragm wall 10, and inserting a pipe fitting 12 into a leak of the diaphragm wall 10;
accumulated water in the leak of the diaphragm wall 10 is discharged through the pipe fitting 12;
after accumulated water is drained, the pipe fittings 12 are blocked, and the top of the diaphragm wall 10 is grouted to seal leaks; the plugging device can be dismantled after the plugging of the underground diaphragm wall 10 is completed.
In conclusion, by adopting the quick plugging device and the quick plugging method, the plugging time of the diaphragm wall can be effectively reduced. The device has the advantages of convenience, rapidness and simple operation.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
While the present invention has been described in detail with reference to the preferred embodiments, it should be understood that the above description should not be taken as limiting the invention. Various modifications and alterations to this invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be determined from the following claims.

Claims (9)

1. The utility model provides a quick plugging device of ground even wall joint percolating water which characterized in that contains:
the leakage stoppage steel plate (1) is connected with a pipe fitting (12) matched with a leak on the diaphragm wall (10);
the first end of the steel plate erecting device (4) is connected with the bottom end of the weight box (5), and the second end of the steel plate erecting device is connected with the bottom of the leaking stoppage steel plate (1) and used for erecting the leaking stoppage steel plate (1);
the first end of each steel plate supporting device (3) is connected with the side wall of the weight box (5), and the second end of each steel plate supporting device (3) is connected to the leaking stoppage steel plate (1) in a vertical state in a supporting mode and used for supporting the leaking stoppage steel plate (1) on the ground connection wall (10);
the bottom supporting devices (2) are fixed to the bottom of the weight box (5) and inserted into the ground, and the weight box (5) is fixed to the ground.
2. The quick leaking stoppage device for water leakage of the ground-connecting wall joint according to claim 1, wherein the vertical steel plate device (4) comprises a telescopic section (41) connected with the weight box (5), a rotating section (42) connected with the leaking stoppage steel plate (1) and a hydraulic device (43) for providing power; the telescopic section (41) is rotationally connected with the rotating section (42), the hydraulic device (43) is connected with the rotating section (42) and drives the rotating section (42) to rotate, and the rotating section (42) rotates the leaking stoppage steel plate (1) from the horizontal position to the vertical position under the driving of the hydraulic device (43).
3. The quick leak stoppage device for water leakage of a diaphragm wall joint as claimed in claim 2, wherein the length of the telescopic section (41) is adjustable.
4. The quick leak stoppage device for water leakage of a ground connection wall joint as recited in claim 1, wherein the first end of the steel plate supporting device (3) is a supporting arm (32), the second end is a supporting head (31), and the sectional area of the supporting head (31) is larger than that of the supporting arm (32).
5. The device for rapidly stopping the leakage of the ground-connecting wall joint as claimed in claim 4, wherein the length of the supporting arm (32) is adjustable.
6. The quick leaking stoppage device for water leakage of a ground-connecting wall joint as recited in claim 1, wherein said bottom support means (2) comprises a support bar (23), a support foot (21) positioned at the bottom of the support bar (23), and a damping block (22) provided on the support bar (23).
7. The quick leak stoppage device for water leakage of a diaphragm wall joint as claimed in claim 6, wherein the length of the support rod (23) is adjustable.
8. A method for quickly stopping the leakage of water at a ground-to-wall joint is realized by adopting any one of the leakage stopping devices, and is characterized by comprising the following steps:
manufacturing a leaking stoppage steel plate (1) according to the holes of the diaphragm wall (10), and fixing the position of a pipe fitting (12) on the leaking stoppage steel plate (1);
fixing the weight box (5) on the ground by using the bottom support device (2);
fixing a first end of the vertical steel plate device (4) on the weight box (5), connecting a second end of the vertical steel plate device with the bottom of the leaking stoppage steel plate (1), and rotating the second end to vertically erect the leaking stoppage steel plate (1);
fixing a first end of a steel plate supporting device (3) on the side wall of the weight box (5), and connecting a second end of the steel plate supporting device to a leaking stoppage steel plate (1) in a supporting manner so as to tightly press the leaking stoppage steel plate (1) on a diaphragm wall (10), and inserting a pipe fitting (12) into a leak of the diaphragm wall (10);
accumulated water in the leak of the diaphragm wall (10) is discharged through the pipe fitting (12);
after accumulated water is drained, the pipe fittings are plugged, and the top of the diaphragm wall is grouted to seal the leak hole.
9. The method for rapidly stopping leakage of water leakage of a diaphragm wall joint according to claim 8, further comprising: after the leaking stoppage steel plate (1) is erected, the lengths of the supporting arm 32 and the telescopic section 41 are adjusted to adjust the distance between the leaking stoppage steel plate (1) and the weight box (5).
CN202210679124.1A 2022-06-15 2022-06-15 Quick leakage blocking device and method for leakage water of underground wall joint Active CN114941349B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210679124.1A CN114941349B (en) 2022-06-15 2022-06-15 Quick leakage blocking device and method for leakage water of underground wall joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210679124.1A CN114941349B (en) 2022-06-15 2022-06-15 Quick leakage blocking device and method for leakage water of underground wall joint

Publications (2)

Publication Number Publication Date
CN114941349A true CN114941349A (en) 2022-08-26
CN114941349B CN114941349B (en) 2024-07-09

Family

ID=82910246

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210679124.1A Active CN114941349B (en) 2022-06-15 2022-06-15 Quick leakage blocking device and method for leakage water of underground wall joint

Country Status (1)

Country Link
CN (1) CN114941349B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104895098A (en) * 2015-06-24 2015-09-09 江苏省建筑科学研究院有限公司 Piping blocking structure outside deep foundation pit underground diaphragm wall and grouting treatment method thereof
CN209066447U (en) * 2018-11-08 2019-07-05 袁光辉 A kind of architectural engineering pit suspension device
CN111778988A (en) * 2020-06-02 2020-10-16 上海建工二建集团有限公司 Underground diaphragm wall door type emergency plugging device and method
CN215211094U (en) * 2021-05-26 2021-12-17 中国安能集团第三工程局有限公司武汉分公司 Retractable steel support supporting structure

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104895098A (en) * 2015-06-24 2015-09-09 江苏省建筑科学研究院有限公司 Piping blocking structure outside deep foundation pit underground diaphragm wall and grouting treatment method thereof
CN209066447U (en) * 2018-11-08 2019-07-05 袁光辉 A kind of architectural engineering pit suspension device
CN111778988A (en) * 2020-06-02 2020-10-16 上海建工二建集团有限公司 Underground diaphragm wall door type emergency plugging device and method
CN215211094U (en) * 2021-05-26 2021-12-17 中国安能集团第三工程局有限公司武汉分公司 Retractable steel support supporting structure

Also Published As

Publication number Publication date
CN114941349B (en) 2024-07-09

Similar Documents

Publication Publication Date Title
US8590259B2 (en) Method of straightening foundational walls
US8887451B2 (en) Pivoting bracket for foundation support system
CN105092181A (en) Test device and method for testing sealing performance of pipe joint in pipe-jacking construction
CN108571425B (en) Pile foundation cap foundation of offshore wind turbine generator set and construction method thereof
WO2015200787A1 (en) Method and apparatus for erecting tower with hydraulic cylinders
CN213417845U (en) Foundation pit supporting structure
CN114941349A (en) Rapid leakage stopping device and method for water leakage of diaphragm wall joint
CN111396630A (en) Anti-floating structure of pipeline and construction method of pipeline
US7484913B2 (en) Placing elements in piles
CN106638569B (en) Device and method for improving bearing capacity and stability of pile
KR102575412B1 (en) Connection structure of manhole and sewer pipe and connection method with manhole and sewer pipe using the same
KR102305697B1 (en) System for installing a plurality of synthetic resin corrugated pipes
CN117344835A (en) Construction device and construction method for water supply and drainage engineering of building construction
CN204831716U (en) Tube coupling leakproofness test test device in push pipe construction
CN116221496A (en) Ground source heat pump vertical buried pipe laying device and ground source heat pump vertical buried pipe construction method
CN114164839B (en) Foundation pit support device and construction method thereof
CN212714602U (en) Device for positioning and temporarily supporting culvert
CN114542803A (en) Pipe rack overhead pipeline heat insulation slidable support
EP2487322A1 (en) Moling apparatus
CN108374440B (en) Device and method for testing non-soil-squeezing post-grouting precast tubular pile model
CA2374164C (en) System and method specifically intended for the construction of fuel distribution forecourts
CN217559205U (en) Water supply and drainage pipeline connecting device
CN220117827U (en) High and large template support with high safety
CN219547822U (en) Supporting structure for foundation pit enclosure
CN116180738B (en) Auxiliary positioning device for lowering bored pile reinforcement cage and construction method

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