CN107829426A - A kind of restructuring bankrupt of diaphram wall, forming method and its top of a wall part - Google Patents
A kind of restructuring bankrupt of diaphram wall, forming method and its top of a wall part Download PDFInfo
- Publication number
- CN107829426A CN107829426A CN201711328667.4A CN201711328667A CN107829426A CN 107829426 A CN107829426 A CN 107829426A CN 201711328667 A CN201711328667 A CN 201711328667A CN 107829426 A CN107829426 A CN 107829426A
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- China
- Prior art keywords
- wall
- wall part
- diaphram
- quiet
- swelling agent
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- 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
- E02D5/20—Bulkheads or similar walls made of prefabricated parts and concrete, including reinforced concrete, in situ
-
- 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
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
- E02D19/18—Restraining of underground water by damming or interrupting the passage of underground water by making use of sealing aprons, e.g. diaphragms made from bituminous or clay material
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D9/00—Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof
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- 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 discloses a kind of diaphram wall, including diaphragm wall body and the top of a wall part, the top of a wall part includes lengthways main steel bar and the division board being segmented to the top of a wall part, diaphragm wall body and the top of a wall part are cast in concrete together, and the bottom position that the top of a wall part is exposed at the side in outside is provided with quiet swelling agent hand-hole.The invention also discloses a kind of forming method of diaphram wall and the restructuring bankrupt of the top of a wall part, lifting steel reinforcement cage first enters groove, division board is installed, respectively to the top of a wall partial segments, the bottom position of the side for the top of a wall part for being exposed at outside is drilled after casting concrete, and quiet swelling agent is injected into hole, then respectively the top of a wall part after drilling hang removing.The top of a wall part formed by the forming method of diaphram wall of the present invention is abolished, can not only be quick, dustless abolish the top of a wall part, and will not distort and destroy reinforcing bar, largely reduce the time for abolishing the top of a wall, improve operating efficiency.
Description
Technical field
The present invention relates to underground engineering design and technical field of construction, and in particular to a kind of diaphram wall, forming method
And its restructuring bankrupt of the top of a wall part.
Background technology
Diaphram wall is that foundation engineering uses a kind of trench machine on the ground, along all side axis of deep excavation project
Line, under the conditions of mud off, excavate out a long and narrow deep trouth, after clear groove, steel reinforcement cage is hung in groove, then uses tremie method
Underwater concreting with tremie method builds up a unit groove section, so carries out paragraph by paragraph, and continuous reinforced concrete wall together is built up in underground
Wall, as intercept water, antiseepage, load-bearing, water-retaining structure.
But construction of diaphragm wall, when pouring, the top of a wall part is laitance or mud and mortar due to vibrating
Mixture, the concrete strength of this part cannot be guaranteed, so the part of the top of a wall needs to abolish after concreting solidification.
In the construction of the domestic diaphram wall in existing China, abolishing for the top of a wall is relatively complicated, and usually worker is with pneumatic pick, sledgehammer etc.
Instrument little by little abolishes the unnecessary concrete of the top of a wall, and concrete must move toward straightening exposed cage bar one piece one after abolishing.This
The construction method efficiency of sample is low, and whole process is comparatively laborious, effort, time-consuming, and also easily the cage bar of the top of a wall part is damaged,
And during cutting, noise, dust pollution are serious, easily produce substantial amounts of dust, must be cleared up after having cut substantial amounts of
Concrete disintegrating slag, it is larger to operating personnel's actual bodily harm, while surrounding enviroment are affected greatly, particularly bustling downtown area holds
Easily cause citizen to complain, cause worse social influence, and cost is higher.Therefore, it is necessary to which a kind of efficient, dustless abolish underground
The method of the diaphragm wall the top of a wall.
The content of the invention
To solve above technical problem, the present invention provides the broken of a kind of diaphram wall, forming method and its top of a wall part
Except method, the top of a wall part formed to the forming method by diaphram wall of the present invention is abolished, can not only quickly, nothing
Dirt abolishes the top of a wall part, and will not distort and destroy reinforcing bar, will not also produce disintegrating slag, largely reduce and abolish wall
The time of head, improve operating efficiency.
To achieve the above object, the invention provides following technical scheme：
The present invention provides a kind of diaphram wall, including diaphram wall body and the top of a wall part, the diaphram wall
Body is arranged at below terrestrial reference line, and the diaphram wall body includes steel reinforcement cage, the steel reinforcement cage include transverse steel,
Lengthways main steel bar connects steel with I-shaped；The top of a wall part is arranged at more than terrestrial reference line, and the lengthways main steel bar is through describedly
Enter the top of a wall part after lower diaphragm wall body, the top of a wall part also includes the isolation being segmented to the top of a wall part
Plate, the diaphram wall body and the top of a wall part are cast in concrete together, and the top of a wall part is exposed at outside
The bottom position of side is provided with quiet swelling agent hand-hole.
Optionally, the quiet swelling agent hand-hole is in horizontally arranged setting, and the pitch-row of the quiet swelling agent hand-hole is
20cm~30cm, the aperture of the quiet swelling agent hand-hole is 3cm~5cm, the distance from bottom institute of the quiet swelling agent hand-hole
State bottom 5cm~10cm of the top of a wall part.
Optionally, pvc pipe is arranged with the lengthways main steel bar of the top of a wall part, the pvc pipe is upper seal, bottom is opened
The cylinder type hollow pipe of mouth, the pvc pipe all wrap up the lengthways main steel bar of the top of a wall part.
Optionally, the junction of the pvc pipe and the lengthways main steel bar of the top of a wall part is provided with seal.
Optionally, the seal is adhesive tape.
Optionally, the division board is plastic barrier plate.
Present invention also offers a kind of method for forming diaphram wall, step are as follows：
Step 1, preparation of construction；
Step 2, the lengthways main steel bar upper sleeve gasket of the top of a wall part set pvc pipe, and pvc pipe is main by the longitudinal direction of the top of a wall part
Muscle all wraps up；
Step 3, lifting steel reinforcement cage enter groove；
Step 4, division board is installed, the top of a wall part of every width diaphram wall is segmented respectively；
Step 5, to diaphram wall casting concrete, diaphram wall is formed after concrete setting.
Optionally, it is painted with mould oil on the outside of pvc pipe.
Optionally, it is painted with mould oil on the division board in the step 4, the division board in the step 4 will be each
Width the top of a wall part is divided into four sections.
Present invention also offers a kind of restructuring bankrupt of the top of a wall part of diaphram wall, step are as follows：
Step 1, the bottom position of the side of the top of a wall part to being exposed at outside drill, and drilling depth can not drill
The thickness of each section of the top of a wall part after segmentation, quiet swelling agent hand-hole is formed after the completion of drilling, and noted into quiet swelling agent hand-hole
Swelling agent in meditation, prize the cracking face to form bottom up and down in hole with instrument, the top of a wall part after drilling is hung respectively
Remove；
Step 2, division board, repeat step one are removed, until the top of a wall part of all diaphram walls is abolished.
The present invention achieves following technique effect relative to prior art：
The present invention provides a kind of diaphram wall, forming method and its restructuring bankrupt of the top of a wall part, and the present invention uses PVC
Pipe first wraps up the lengthways main steel bar of the top of a wall part before reinforcing bar cage hoisting, and plastic barrier plate is used before casting concrete by the top of a wall part
Segmentation, concrete reaches specified intensity after pouring, and starts quiet swelling agent hand-hole, injects quiet swelling agent and abolishes, and segmentation, which is hung, to remove
The concrete of the top of a wall part, the top of a wall part formed to the forming method by diaphram wall of the present invention are abolished, not only
Can be quick, dustless abolish the top of a wall part, and will not distort and destroy reinforcing bar, will not also produce disintegrating slag, reduce airborne dust,
Largely reduce the time for abolishing the top of a wall, improve operating efficiency, belong to non-harmful safety blasting.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is that overall construction process figure is abolished on underground continuous wall head of the present invention point；
Fig. 2 is single secondary diaphram wall reinforcement cage structure schematic diagram；
Fig. 3 pours pre-structure schematic diagram for single secondary diaphram wall；
Structural representation after the completion of Fig. 4 pours for single secondary diaphram wall；
Fig. 5 is underground continuous wall head part-structure schematic diagram；
Fig. 6 is that underground continuous wall head point is hung except structural representation.
Description of reference numerals：1st, plastic barrier plate；2nd, pvc pipe；3rd, lengthways main steel bar；4th, quiet swelling agent hand-hole；5th, laterally
Reinforcing bar；6th, I-shaped connection steel；7th, steel reinforcement cage；8th, the top of a wall part；9th, diaphram wall body；10th, terrestrial reference line；I, the top of a wall is hung
Except first paragraph；II, the top of a wall are hung except second segment；III, the top of a wall are hung except the 3rd section；IV, the top of a wall are hung except the 4th section.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
In order to facilitate the understanding of the purposes, features and advantages of the present invention, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is further detailed explanation.
The present invention provides a kind of diaphram wall, as shown in figures 2-6, including diaphram wall body 9 and the top of a wall part 8,
Diaphram wall body 9 is arranged at terrestrial reference line below 10, and diaphram wall body 9 includes steel reinforcement cage 7, and steel reinforcement cage 7 includes
Transverse steel 5, lengthways main steel bar 3 connect steel 6 with I-shaped；The top of a wall part 8 is arranged at terrestrial reference line more than 10, and lengthways main steel bar 3 is worn
Entering the top of a wall part 8 after crossing diaphram wall body 9, the top of a wall part 8 also includes the division board being segmented to the top of a wall part 8,
Diaphram wall body 9 and the top of a wall part 8 are cast in concrete together, and the top of a wall part 8 is exposed on the side in outside and is provided with
Quiet swelling agent hand-hole 4.
In order to greatly reduce cost, in the present embodiment, the division board can elect plastic barrier plate 1 as.
In order to improve the efficiency of quiet blasting agent explosion, in the present embodiment, quiet swelling agent hand-hole 4 is set in horizontally arranged
To put, the pitch-row of quiet swelling agent hand-hole 4 is preferably 20cm~30cm, and the aperture of quiet swelling agent hand-hole 4 is preferably 3cm~5cm,
The bottom of the distance from bottom the top of a wall part 8 of quiet swelling agent hand-hole 4 is preferably 5cm~10cm.
In order that the lengthways main steel bar 3 on the concrete and the top of a wall part 8 of the top of a wall part 8 is not wrapped up in and held, in the present embodiment
In, pvc pipe 2 is arranged with the lengthways main steel bar 3 of the top of a wall part 8, pvc pipe 2 is preferably upper seal, the cylindrical empty of lower openings
Heart pipe, pvc pipe 2 all wrap up the lengthways main steel bar 3 of the top of a wall part 8；Meanwhile in order to make concrete not enter in concrete perfusion
Enter in pvc pipe 2, the junction of the lengthways main steel bar 3 of pvc pipe 2 and the top of a wall part 8 is provided with seal, in order to which job site can be with
Seal operation is conveniently completed, in the present embodiment, the seal is chosen as adhesive tape.
The present invention also provides a kind of method for forming diaphram wall, and as shown in figures 1 to 6, construction procedure is as follows：
(1) preparation of construction；
Site preparation, prepare corresponding lifting appliance etc. according to actual conditions.
(2) lifting steel reinforcement cage 7 enters groove.
(3) after the completion of steel reinforcement cage 7 lifts groove, installation plastic barrier plate 1, plastic barrier plate 1 enters to every width the top of a wall part 8
Row segmentation.
(4) to diaphram wall casting concrete, diaphram wall is formed after concrete setting.
In the present embodiment, in order that the lengthways main steel bar 3 on the concrete of the top of a wall part 8 and the top of a wall part 8 is not wrapped up in
Hold, before lifting steel reinforcement cage 7 enters groove, optionally the upper sleeve gasket of lengthways main steel bar 3 in the top of a wall part 8 sets pvc pipe 2, PVC
Pipe 2 all wraps up the lengthways main steel bar 3 of the top of a wall part 8.In order to further reduce the mixed mud of the top of a wall part 8 and lengthways main steel bar 3
Frictional force, the outside of pvc pipe 2, which is coated, de- is brushed with mould oil.Further, for less plastic barrier plate 1 and the top of a wall part 8
Mixed mud frictional force, be also painted with mould oil on plastic barrier plate 1.
General each width diaphram wall is grown for 600cm, and 80cm is thick, and work is removed for the ease of hanging, as shown in figure 5, in this
In embodiment, plastic barrier plate 1 divides the top of a wall part 8 of each width for four sections, and described four sections are respectively that the top of a wall is hung except first paragraph
I, the top of a wall is hung except second segment II, the top of a wall are hung except the 3rd section of III and the top of a wall are hung except the 4th section of IV, the longitudinal divisionses of plastic barrier plate 1
Every section of thickness is reduced into half, the influence that thickness is brought to rupture concrete can be greatly reduced.
The present invention also provides a kind of restructuring bankrupt on underground continuous wall head point, and as shown in figures 1 to 6, construction procedure is such as
Under：
(1) bottom position of the side for the top of a wall part 8 for being exposed at outside is drilled, drilling depth can not drill segmentation
The thickness of each section of the top of a wall part 8 afterwards, quiet swelling agent hand-hole 4 is formed after the completion of drilling, and injected into quiet swelling agent hand-hole 4
Quiet swelling agent, the cracking face to form bottom is prized up and down in hole with corresponding instrument, then respectively to the top of a wall portion after drilling
8 are divided hang removing.
(2) plastic barrier plate 1 is removed, repeats (1) step, until the top of a wall part 8 of all diaphram walls is broken
Remove.
In the present embodiment, plastic barrier plate 1 divides the top of a wall part 8 of each width for four sections, and described four sections are respectively wall
Head is hung except first paragraph I, the top of a wall are hung except second segment II, the top of a wall are hung except the 3rd section of III and the top of a wall are hung except the 4th section of IV.It is divided into above-mentioned
The process of the restructuring bankrupt on four sections of underground continuous wall head point is as follows：
First, the top of a wall is hung respectively except first paragraph I and the top of a wall are hung except the side for the top of a wall part that outside is exposed in second segment II
Face is drilled, and forms quiet swelling agent hand-hole 4, injects quiet swelling agent in quiet swelling agent hand-hole 4, the top of a wall is hung except first paragraph
I and the top of a wall hang the lower concrete cracking except second segment II, are prized up and down in hole with corresponding instrument and repeatedly form bottom
Behind cracking face, first paragraph I is removed and the top of a wall hangs and removes second segment II with hanging to remove equipment and hang to remove the top of a wall and hang respectively.Then, plastic partition is removed
From plate 1, the top of a wall is hung respectively except the 3rd section of III and the top of a wall are hung except the side for the top of a wall part that outside is exposed in the 4th section of IV is carried out
Drilling, forms quiet swelling agent hand-hole 4, injects quiet swelling agent in quiet swelling agent hand-hole 4, the top of a wall hang except the 3rd section of III and
The top of a wall is hung except the 4th section of IV lower concrete cracking, prizes the cracking for repeatedly forming bottom up and down in hole with corresponding instrument
Behind face, the 3rd section of III is removed and the top of a wall hangs and removes the 4th section of IV with hanging to remove equipment and hang to remove the top of a wall and hang respectively.It is i.e. complete after the completion of above-mentioned steps
Into abolishing for the top of a wall part 8 of single width diaphram wall, repeat the above steps, until the top of a wall part of all diaphram walls
8 are abolished.
In the present embodiment, quiet swelling agent hand-hole 4 is in horizontally arranged setting, and the pitch-row of quiet swelling agent hand-hole 4 is preferred
For 20cm~30cm, the aperture of quiet swelling agent hand-hole 4 is preferably 3cm~5cm, the distance from bottom wall of quiet swelling agent hand-hole 4
The bottom on head point 8 is preferably 5cm~10cm.
It should be noted that division board is not limited to the plastic barrier plate in embodiment, other can be realized to the top of a wall
The division board that part is segmented；The pitch-row of quiet swelling agent hand-hole, spacing, set with the distance of the bottom of the top of a wall part etc.
Put and be not limited to embodiment, the present embodiment only there is provided a kind of preferable technical scheme, and other can realize that injection is quiet swollen
The setting of the quiet swelling agent hand-hole of effective segment blast is carried out after swollen dose to the top of a wall part；Seal is not limited to reality
The adhesive tape in example is applied, remaining can play the seal of sealing effectiveness, such as rubber ring；Division board divides the top of a wall part
Hop count is not limited to the present embodiment, can realize and hang remaining segments removed to the top of a wall part；In quiet swelling agent hand-hole
Quiet swelling agent and quiet blasting agent are injected, is injected according to conventional technical means in quiet swelling agent hand-hole.
Apply specific case in this specification to be set forth the principle and embodiment of the present invention, above example
Explanation be only intended to help understand the present invention method and its core concept；Meanwhile for those of ordinary skill in the art,
According to the thought of the present invention, in specific embodiments and applications there will be changes.In summary, in this specification
Appearance should not be construed as limiting the invention.
Claims (10)
- A kind of 1. diaphram wall, it is characterised in that including diaphram wall body and the top of a wall part, the diaphram wall sheet Body is arranged at below terrestrial reference line, and the diaphram wall body includes steel reinforcement cage, and the steel reinforcement cage includes transverse steel, indulged To cage bar steel is connected with I-shaped；The top of a wall part is arranged at more than terrestrial reference line, and the lengthways main steel bar passes through the underground Enter the top of a wall part after diaphragm wall body, the top of a wall part also includes the isolation being segmented to the top of a wall part Plate, the diaphram wall body and the top of a wall part are cast in concrete together, and the top of a wall part is exposed at outside The bottom position of side is provided with quiet swelling agent hand-hole.
- 2. underground continuous wall head according to claim 1 point, it is characterised in that the quiet swelling agent hand-hole is in water Flat spread configuration, the pitch-row of the quiet swelling agent hand-hole is 20cm~30cm, and the aperture of the quiet swelling agent hand-hole is 3cm ~5cm, bottom 5cm~10cm of the top of a wall part described in the distance from bottom of the quiet swelling agent hand-hole.
- 3. underground continuous wall head according to claim 1 point, it is characterised in that the lengthways main steel bar of the top of a wall part On be arranged with pvc pipe, the pvc pipe is upper seal, the cylinder type hollow pipe of lower openings, and the pvc pipe is by the top of a wall Partial lengthways main steel bar all wraps up.
- 4. underground continuous wall head according to claim 3 point, it is characterised in that the pvc pipe and the top of a wall portion The junction of the lengthways main steel bar divided is provided with seal.
- 5. underground continuous wall head according to claim 4 point, it is characterised in that the seal is adhesive tape.
- 6. underground continuous wall head according to claim 1 point, it is characterised in that the division board is plastic barrier Plate.
- A kind of 7. method for forming any described diaphram wall in claim 1-6, it is characterised in that step is as follows：Step 1, preparation of construction；Step 2, the lengthways main steel bar upper sleeve gasket of the top of a wall part set pvc pipe, and pvc pipe is complete by the lengthways main steel bar of the top of a wall part Wrap up in portion；Step 3, lifting steel reinforcement cage enter groove；Step 4, division board is installed, the top of a wall part of every width diaphram wall is segmented respectively；Step 5, to diaphram wall casting concrete, diaphram wall is formed after concrete setting.
- 8. the restructuring bankrupt of the top of a wall part of diaphram wall according to claim 7, it is characterised in that on the outside of pvc pipe It is painted with mould oil.
- 9. the restructuring bankrupt of the top of a wall part of diaphram wall according to claim 7, it is characterised in that the step 4 In division board on be painted with mould oil, each width the top of a wall part is divided into four sections by the division board in the step 4.
- A kind of 10. restructuring bankrupt of the top of a wall part of any described diaphram wall in 7-9 to claim, it is characterised in that Step is as follows：Step 1, the bottom position of the side of the top of a wall part to being exposed at outside drill, and drilling depth can not drill segmentation The thickness of each section of the top of a wall part afterwards, quiet swelling agent hand-hole is formed after the completion of drilling, and injected into quiet swelling agent hand-hole quiet Swelling agent, prize the cracking face to form bottom up and down in hole with instrument, respectively the top of a wall part after drilling hang removing；Step 2, division board, repeat step one are removed, until the top of a wall part of all diaphram walls is abolished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711328667.4A CN107829426A (en) | 2017-12-13 | 2017-12-13 | A kind of restructuring bankrupt of diaphram wall, forming method and its top of a wall part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711328667.4A CN107829426A (en) | 2017-12-13 | 2017-12-13 | A kind of restructuring bankrupt of diaphram wall, forming method and its top of a wall part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107829426A true CN107829426A (en) | 2018-03-23 |
Family
ID=61644221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711328667.4A Pending CN107829426A (en) | 2017-12-13 | 2017-12-13 | A kind of restructuring bankrupt of diaphram wall, forming method and its top of a wall part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107829426A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110847154A (en) * | 2019-11-21 | 2020-02-28 | 上海市基础工程集团有限公司 | Underground continuous wall reinforcement cage anchor bar and setting method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03235811A (en) * | 1990-02-14 | 1991-10-21 | Sumitomo Cement Co Ltd | Continuous underground wall head portion processing work method |
| JPH05321248A (en) * | 1992-05-20 | 1993-12-07 | Ohbayashi Corp | Method for removing head part of underground contrinuous wall |
| CN204826712U (en) * | 2015-06-23 | 2015-12-02 | 中铁三局集团广东建设工程有限公司 | Can cut a hole underground continuous wall structure of removing fast |
| CN206173947U (en) * | 2016-11-19 | 2017-05-17 | 北京市地质工程公司 | Underground continuous wall easily abolishes pile head |
| CN107178078A (en) * | 2017-05-19 | 2017-09-19 | 中铁四局集团第二工程有限公司 | Change to the intercept form block wall construction method of section half in subway station |
-
2017
- 2017-12-13 CN CN201711328667.4A patent/CN107829426A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03235811A (en) * | 1990-02-14 | 1991-10-21 | Sumitomo Cement Co Ltd | Continuous underground wall head portion processing work method |
| JPH05321248A (en) * | 1992-05-20 | 1993-12-07 | Ohbayashi Corp | Method for removing head part of underground contrinuous wall |
| CN204826712U (en) * | 2015-06-23 | 2015-12-02 | 中铁三局集团广东建设工程有限公司 | Can cut a hole underground continuous wall structure of removing fast |
| CN206173947U (en) * | 2016-11-19 | 2017-05-17 | 北京市地质工程公司 | Underground continuous wall easily abolishes pile head |
| CN107178078A (en) * | 2017-05-19 | 2017-09-19 | 中铁四局集团第二工程有限公司 | Change to the intercept form block wall construction method of section half in subway station |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110847154A (en) * | 2019-11-21 | 2020-02-28 | 上海市基础工程集团有限公司 | Underground continuous wall reinforcement cage anchor bar and setting method |
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