CN117684548B - CT clamping groove permanent-face combined assembled type ground connection wall connection method - Google Patents
CT clamping groove permanent-face combined assembled type ground connection wall connection method Download PDFInfo
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- CN117684548B CN117684548B CN202410141097.1A CN202410141097A CN117684548B CN 117684548 B CN117684548 B CN 117684548B CN 202410141097 A CN202410141097 A CN 202410141097A CN 117684548 B CN117684548 B CN 117684548B
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- connecting wall
- clamping groove
- lug
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 21
- 239000010959 steel Substances 0.000 claims description 21
- 239000007787 solid Substances 0.000 claims description 13
- 238000003466 welding Methods 0.000 claims description 3
- 238000002591 computed tomography Methods 0.000 description 8
- 238000010276 construction Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/18—Bulkheads or similar walls made solely of concrete in situ
-
- 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
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (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)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The invention discloses a CT clamping groove permanent-face combined assembled type ground connection wall connection method, which comprises the steps of firstly hanging a preceding prefabricated wall on a guide wall through double-lug hanging ribs, then hoisting a following prefabricated wall, connecting two ground connection walls by using a CT clamping groove, lowering the following prefabricated wall to be high in the guide wall, lowering the preceding prefabricated wall to a designed elevation, changing the following prefabricated wall into a state that the preceding prefabricated wall is hung on the guide wall through double-lug hanging ribs, namely changing the following prefabricated wall into the preceding prefabricated wall, and continuously repeating the mode of lowering the prefabricated wall until the last prefabricated wall is lowered to the designed elevation. The method is simple to operate and convenient to popularize, and the lowering efficiency of the prefabricated wall is greatly improved.
Description
Technical Field
The invention relates to a method for connecting a permanent-face combined wall, in particular to a method for connecting a CT clamping groove permanent-face combined assembled wall.
Background
The existing permanent combined assembled diaphragm wall is constructed by gradually replacing the conventional SMW construction method. One type of vertical joint commonly used in the prefabricated underground continuous wall is a CT (computed tomography) clamping groove, namely, a C-shaped clamping groove is pre-buried at one side of the prefabricated wall, a T-shaped clamping groove is pre-buried at the other side of the prefabricated wall, and the connection of the adjacent prefabricated walls is realized by inserting the T-shaped clamping groove of the subsequent prefabricated wall into the C-shaped clamping groove of the preceding prefabricated wall.
In order to facilitate prefabrication and transportation of the prefabricated wall, the tops of the C clamping grooves and the T clamping grooves are generally flush with the top of the prefabricated wall. If the first prefabricated wall is lowered to the designed elevation at one time, the prefabricated wall after being lowered to the designed elevation is generally located below the top surface of the guide wall by a certain distance, and at this time, the top of the prefabricated wall is submerged by mud when being formed into a groove, and the C clamping grooves and the T clamping grooves on two sides of the prefabricated wall are also located below the mud liquid level.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a CT clamping groove permanent-face combined assembled type ground connecting wall connecting method capable of simply and efficiently realizing the mutual connection of two adjacent prefabricated wall C, T clamping grooves.
In order to achieve the above purpose, the invention provides a CT clamping groove permanent-face combined assembled type ground connection wall connection method, which comprises the following steps:
the method comprises the steps that firstly, a ground connecting wall is prefabricated, a C-shaped clamping groove is formed in the middle of one side wall of the left side wall and the right side wall of the ground connecting wall, a T-shaped clamping groove is formed in the middle of the other side wall of the ground connecting wall, the C-shaped clamping groove and the T-shaped clamping groove are arranged in a through-length mode along the height direction of the ground connecting wall, the ground connecting wall is prefabricated with the same hoisting structure, the hoisting structure comprises two through grooves which are respectively formed in the left side and the right side of the top wall of the ground connecting wall, the two through grooves penetrate through the wall body along the thickness direction of the ground connecting wall body, two double-lug hanging ribs are respectively arranged on the front side and the rear side of each through groove, each double-lug hanging rib is formed by vertically dislocating welding two single-lug hanging ribs, the hanging holes of each double-lug hanging rib are vertically dislocated and are divided into an upper hanging hole and a lower hanging hole, the top of each double-lug hanging rib is located in the through grooves, and the two hanging holes of the double-lug hanging ribs are connected with the ground connecting wall in parallel and level mode;
step two, a crane hook is hooked as an upper hanging hole of one floor connecting wall of the preceding floor connecting wall, the crane is hoisted and lowered to enable the preceding floor connecting wall to be parallel to the lower hanging hole of the double-lug hanging bar, two solid steel bars are adopted to traverse the lower hanging hole of the double-lug hanging bar, the front end and the rear end of the two solid steel bars are supported on the guide wall so as to enable the preceding floor connecting wall to be temporarily hung on the guide wall, the hook is taken off, at the moment, the top surface of the preceding floor connecting wall is higher than the guide wall, and the upper part of a C-shaped clamping groove of the preceding floor connecting wall is higher than the ground and is in an exposed state;
thirdly, hooking a lifting hook as an upper hanging hole of the other floor connecting wall of the backward floor connecting wall, lifting and lowering the backward floor connecting wall, enabling the bottom of a T-shaped clamping groove of the backward floor connecting wall to be inserted into a C-shaped clamping groove of the preceding floor connecting wall in an exposed state, then continuing to lower the backward floor connecting wall, lowering the backward floor connecting wall to be flush with the lower hanging hole of the double-lug hanging bar, traversing the lower hanging hole of the double-lug hanging bar by adopting two solid steel bars, supporting the front end and the rear end of the two solid steel bars on the guide wall to enable the backward floor connecting wall to be temporarily hung on the guide wall, and removing the lifting hook;
step four, hooking an upper hanging hole on the preceding web wall, taking out a steel rod at the preceding web wall, lowering the preceding web wall to a designed elevation, completing the lowering of the preceding web wall, changing the following web wall into the preceding web wall, and ending the step two;
and fifthly, alternately lowering the prefabricated wall until the backward continuous wall is the last prefabricated wall, hooking an upper hanging hole of the last prefabricated wall by a hanging hook, taking out a steel rod at the backward continuous wall, lifting and lowering the backward continuous wall to the designed elevation, and finishing the lowering of all the continuous walls at the moment.
Compared with the prior art, the invention has the following advantages:
1. through pre-buried ears hanging bar in the wall top, to each face to combine assembled ground even wall to twice to design elevation forever, solved the C, T draw-in groove of preceding width of cloth prefabricated wall and submerged by mud and lead to the unable difficulty of articulated smoothly with preceding width of cloth prefabricated wall's C draw-in groove of the T draw-in groove of succeeding width of cloth prefabricated wall, this construction process easy operation, facilitate promotion have improved prefabricated wall's efficiency of putting down greatly.
Drawings
FIG. 1 is a top view of a construction structure employed by the CT card slot permanent face combined assembled wall-over-ground connection method of the present invention;
fig. 2 is a front cross-sectional view of the structure shown in fig. 1.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1-2, the method for connecting the assembled ground connecting wall by combining the CT clamping grooves permanently comprises the following steps:
step one, prefabricating the diaphragm wall, wherein a C-shaped clamping groove is formed in the middle of one side wall of the left side wall and the right side wall of the diaphragm wall, a T-shaped clamping groove is formed in the middle of the other side wall of the diaphragm wall, the C-shaped clamping groove and the T-shaped clamping groove are arranged along the height direction of the diaphragm wall in a through-length mode, the diaphragm wall is prefabricated with the same hoisting structure, the hoisting structure comprises two through grooves 6 which are respectively formed in the left side and the right side of the top wall of the diaphragm wall, the two through grooves penetrate through the wall body along the thickness direction of the diaphragm wall body, a double-lug hanging rib 5 is respectively arranged at the front side and the rear side in each through groove, each double-lug hanging rib is formed by welding two single-lug hanging ribs in an up-down staggered mode, hanging holes of the two single-lug hanging ribs of each double-lug hanging rib are arranged in an up-down staggered mode and divided into an upper hanging hole and a lower hanging hole, the preferable up-down staggered distance L of the two single-lug hanging ribs is 20cm-25cm, temporary steel rail erection can be achieved, too much prefabricated wall body volume is not occupied, the top of each double-lug hanging rib is flush with the top wall of the prefabricated wall body, two hanging hole parts of the double-lug hanging rib are located in through grooves, and the lower parts of the two hanging holes of the double-lug hanging rib are fixedly connected with the wall body. The upper hanging hole is used for installing the shackle, the prefabricated wall is lifted by crane, the lower hanging hole is used for penetrating the solid steel bar, and the prefabricated wall is hung on the guide wall.
Preferably, the single-lug hanging ribs are in a shape like a Chinese character 'ji', are convenient to bind and fix with steel bars in the prefabricated underground continuous wall, and further preferably, the height H of the single-lug hanging ribs in the shape like a Chinese character 'ji' is 100cm-115cm, and the width B between the left wing plate and the right wing plate of the single-lug hanging ribs in the shape of a Chinese character 'ji' is 20cm-25cm, so that the hanging ribs can bear the weight of the prefabricated underground continuous wall.
And secondly, hooking a crane hook to serve as an upper hanging hole of one ground connecting wall of the preceding ground connecting wall, lifting and lowering the preceding ground connecting wall to enable the lower hanging hole of the double-lug hanging bar to be flush with the guide wall, adopting two solid steel bars 7 to traverse the lower hanging hole of the double-lug hanging bar, supporting the front end and the rear end of the two solid steel bars on the guide wall to enable the preceding ground connecting wall 1 to be temporarily hung on the guide wall, removing the hook, wherein the top surface of the preceding ground connecting wall 1 is higher than the guide wall 8, and the upper part of a C-shaped clamping groove 4 of the preceding ground connecting wall is higher than the ground in an exposed state.
Thirdly, hooking a lifting hook to serve as an upper hanging hole of the other floor connecting wall of the backward floor connecting wall, lifting and lowering the backward floor connecting wall 2, inserting the bottom of a T-shaped clamping groove 3 of the backward floor connecting wall into a C-shaped clamping groove 4 of the preceding floor connecting wall 1 in an exposed state, then continuing to lower the backward floor connecting wall 2, lowering the backward floor connecting wall 2 to the double-lug hanging hole to be level with the guide wall, traversing the double-lug hanging hole by adopting two solid steel bars 7, supporting the front end and the rear end of the two solid steel bars on the guide wall to enable the backward floor connecting wall to be temporarily hung on the guide wall, and removing the lifting hook;
step four, hooking the lifting hook with the upper lifting hole on the preceding wall connecting frame 1, taking out the steel bar 7 at the preceding wall connecting frame 1, lowering the preceding wall connecting frame to the designed elevation, completing the lowering of the preceding wall connecting frame 1 at the moment, changing the following wall connecting frame 2 into the preceding wall connecting frame 1, and ending the step two;
and fifthly, continuously repeating the third step and the fourth step to alternately lower the prefabricated wall. And (3) until the backward continuous wall is the last prefabricated wall, hooking an upper hanging hole of the last prefabricated wall by a hanging hook, taking out the steel rod 7 at the backward continuous wall, lifting and lowering the backward continuous wall to the designed elevation, and finishing the lowering of all the continuous prefabricated continuous walls.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention, but any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (4)
1. The CT clamping groove permanent-face combined assembled type ground connection wall connection method is characterized by comprising the following steps of:
the method comprises the steps that firstly, a ground connecting wall is prefabricated, a C-shaped clamping groove is formed in the middle of one side wall of the left side wall and the right side wall of the ground connecting wall, a T-shaped clamping groove is formed in the middle of the other side wall of the ground connecting wall, the C-shaped clamping groove and the T-shaped clamping groove are arranged in a through-length mode along the height direction of the ground connecting wall, the ground connecting wall is prefabricated with the same hoisting structure, the hoisting structure comprises two through grooves which are respectively formed in the left side and the right side of the top wall of the ground connecting wall, the two through grooves penetrate through the wall body along the thickness direction of the ground connecting wall body, two double-lug hanging ribs are respectively arranged on the front side and the rear side of each through groove, each double-lug hanging rib is formed by vertically dislocating welding two single-lug hanging ribs, the hanging holes of each double-lug hanging rib are vertically dislocated and are divided into an upper hanging hole and a lower hanging hole, the top of each double-lug hanging rib is located in the through grooves, and the two hanging holes of the double-lug hanging ribs are connected with the ground connecting wall in parallel and level mode;
step two, a crane hook is hooked as an upper hanging hole of one floor connecting wall of the preceding floor connecting wall, the crane is hoisted and lowered to enable the preceding floor connecting wall to be parallel to the lower hanging hole of the double-lug hanging bar, two solid steel bars are adopted to traverse the lower hanging hole of the double-lug hanging bar, the front end and the rear end of the two solid steel bars are supported on the guide wall so as to enable the preceding floor connecting wall to be temporarily hung on the guide wall, the hook is taken off, at the moment, the top surface of the preceding floor connecting wall is higher than the guide wall, and the upper part of a C-shaped clamping groove of the preceding floor connecting wall is higher than the ground and is in an exposed state;
thirdly, hooking a lifting hook as an upper hanging hole of the other floor connecting wall of the backward floor connecting wall, lifting and lowering the backward floor connecting wall, enabling the bottom of a T-shaped clamping groove of the backward floor connecting wall to be inserted into a C-shaped clamping groove of the preceding floor connecting wall in an exposed state, then continuing to lower the backward floor connecting wall, lowering the backward floor connecting wall to be flush with the lower hanging hole of the double-lug hanging bar, traversing the lower hanging hole of the double-lug hanging bar by adopting two solid steel bars, supporting the front end and the rear end of the two solid steel bars on the guide wall to enable the backward floor connecting wall to be temporarily hung on the guide wall, and removing the lifting hook;
step four, hooking an upper hanging hole on the preceding web wall, taking out a steel rod at the preceding web wall, lowering the preceding web wall to a designed elevation, completing the lowering of the preceding web wall, changing the following web wall into the preceding web wall, and ending the step two;
and fifthly, alternately lowering the prefabricated wall until the backward continuous wall is the last prefabricated wall, hooking an upper hanging hole of the last prefabricated wall by a hanging hook, taking out a steel rod at the backward continuous wall, lifting and lowering the backward continuous wall to the designed elevation, and finishing the lowering of all the continuous walls at the moment.
2. The method for connecting CT card slot permanent-face combined assembled ground connection wall according to claim 1, which is characterized in that: the dislocation distance L between the two single-lug hanging ribs is 20cm-25cm.
3. The CT card slot permanent binding assembly type ground connection wall connection method according to claim 1 or 2, characterized in that: the single-lug hanging bar is shaped like a Chinese character 'ji'.
4. The method for connecting CT card slot permanent-face combined assembled ground connection wall according to claim 3, which is characterized in that: the height H of the U-shaped single-lug hanging rib is 100cm-115cm, and the width B between the left wing plate and the right wing plate of the U-shaped single-lug hanging rib is 20cm-25cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410141097.1A CN117684548B (en) | 2024-02-01 | 2024-02-01 | CT clamping groove permanent-face combined assembled type ground connection wall connection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410141097.1A CN117684548B (en) | 2024-02-01 | 2024-02-01 | CT clamping groove permanent-face combined assembled type ground connection wall connection method |
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| CN117684548A CN117684548A (en) | 2024-03-12 |
| CN117684548B true CN117684548B (en) | 2024-04-16 |
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| CN202410141097.1A Active CN117684548B (en) | 2024-02-01 | 2024-02-01 | CT clamping groove permanent-face combined assembled type ground connection wall connection method |
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| CN116517012A (en) * | 2023-05-05 | 2023-08-01 | 中冶武勘工程技术有限公司 | Pile wall foundation structure suitable for soft soil site and construction method |
| CN116856386A (en) * | 2023-05-24 | 2023-10-10 | 浙江省地矿建设有限公司 | Fully prefabricated underground continuous wall and construction method thereof |
| CN117306499A (en) * | 2023-10-27 | 2023-12-29 | 中交公路规划设计院有限公司 | Assembled type ground connecting wall based on occlusion mode, double-C-shaped joint and construction method |
-
2024
- 2024-02-01 CN CN202410141097.1A patent/CN117684548B/en active Active
Patent Citations (15)
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| JPH0614225U (en) * | 1992-08-03 | 1994-02-22 | 清 市村 | Precast concrete block for wall |
| CN104343131A (en) * | 2013-07-27 | 2015-02-11 | 廖河山 | Semi-prefabricated semi-cast-in-situ underground continuous wall and construction process |
| CN103806440A (en) * | 2014-03-05 | 2014-05-21 | 中国建筑股份有限公司 | Assembled plug-in-connection-type self-clamped hollow fabricated underground diaphragm wall and construction method thereof |
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| CN117684548A (en) | 2024-03-12 |
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