CN107724380A - The construction of guide wall method of diaphragm wall on heavy grade place - Google Patents
The construction of guide wall method of diaphragm wall on heavy grade place Download PDFInfo
- Publication number
- CN107724380A CN107724380A CN201610653803.6A CN201610653803A CN107724380A CN 107724380 A CN107724380 A CN 107724380A CN 201610653803 A CN201610653803 A CN 201610653803A CN 107724380 A CN107724380 A CN 107724380A
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- wall
- construction
- diaphragm
- groove
- diaphragm wall
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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
- E02D5/18—Bulkheads or similar walls made solely of concrete in situ
- E02D5/187—Bulkheads or similar walls made solely of concrete in situ the bulkheads or walls being made continuously, e.g. excavating and constructing bulkheads or walls in the same process, without joints
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention discloses a kind of construction of guide wall method of diaphragm wall on heavy grade place, this method measures the center line of diaphragm wall and leads wall sideline and mark diaphragm wall per the framing center line of groove segment and the occupation of land scope of pipe extractor first, and measures the gradient in construction of diaphragm wall section；Wall will be led and be designed as stepped form along its length, the high low head of step is controlled, connected between adjacent step by the gradient, draw the horizontal width between single step；Setting leads the slope sideline of bench-table rank apart from half of the framing center line more than pipe extractor base width；Broken pavement of road, digs out the groove for leading wall；Reinforcing bar, formwork supporting plate, casting concrete, maintenance are tied up in groove, completes construction of guide wall.Slurry liquid identity distance during this method guarantee diaphragm wall soil diging groove-forming in same groove segment is identical from wall apical side height is led, mud is improved to the stability of cell wall, is not easy to cave in, it is ensured that pipe extractor keeps coaxial with continuous wall connector pipe, tube drawing ability is improved, avoids potential safety hazard.
Description
Technical field
The present invention relates to a kind of construction of guide wall method of diaphragm wall on heavy grade place.
Background technology
It all should be set during construction of diaphragm wall and lead wall, construction of guide wall is to ensure that the key of diaphragm wall axial location and grooving quality
Process.In architectural engineering, especially in city underground architectural engineering, the foundation ditch of subway station is arranged in road mostly
Between, and the wall of leading as the diaphram wall of foundation pit enclosure structure is typically configured according to the situation of road, when running into big slope
Road surface is spent, wall is led in construction, and typically following problems may be encountered：If it can be caused in continuous wall trench 1. being built along road grade and leading wall
The mud liquid level at both ends is located at the height difference for leading wall top in same groove segment during shoveling so that side of the mud to diaphragm wall cell wall
Pressure is different, and influences the stability of groove section, reduces the effect of mud off；2. it is slope due to leading wall, for the company of pulling
The pipe extractor of continuous wall joint pipe smooth can not be put, and cause pipe extractor to keep coaxial line with junction block, will production in tube drawing
Raw oblique component, causes difficulty in decannulation, or even can cause to lead the damage of wall or equipment.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of construction of guide wall method of diaphragm wall on heavy grade place, this
Method solves the construction difficult problem that wall is led on heavy grade place, ensures the same groove segment during diaphram wall soil diging groove-forming
Wall apical side height is identical from leading for interior slurry liquid identity distance, improves mud to the stability of cell wall, is not easy to cave in, it is ensured that pipe extractor with
Continuous wall connector pipe keeps coaxial, improves tube drawing ability, avoids potential safety hazard.
In order to solve the above technical problems, the construction of guide wall method of diaphragm wall includes following step on heavy grade place of the present invention
Suddenly：
Step 1: upper on construction ground obtain the center line of diaphragm wall by setting-out and lead wall sideline and mark the every width of diaphragm wall
The framing center line of groove section and the occupation of land scope of pipe extractor；
Step 2: the gradient in construction of diaphragm wall section is drawn by actual measurement；
Step 3: will lead wall is designed as stepped form along its length, with reference to the slope control in construction of diaphragm wall section, to lead wall every
The high low head of individual step is connected between 200~300mm between adjacent step by the gradient, draws the water between single step
Flat width；
Step 4: setting leads the slope sideline of bench-table rank apart from half of the framing center line more than pipe extractor base width, it is ensured that pulls out
Pipe device substrate is smooth, uniform force；
Step 5: crushing pavement of road using excavating machinery, the groove for leading wall is dug out；
Step 6: tying up reinforcing bar, formwork supporting plate, casting concrete, maintenance in the groove for lead wall, construction of guide wall is completed.
It is further, described that to lead the gradient between the adjacent step of wall be 30~60 °.
Further, the height for leading wall is more than 1.5 meters.
Because the construction of guide wall method of diaphragm wall on heavy grade place of the present invention employs above-mentioned technical proposal, i.e. this method first
Measure the center line of diaphragm wall and lead wall sideline and mark diaphragm wall per the framing center line of groove segment and the occupation of land model of pipe extractor
Enclose, and measure the gradient in construction of diaphragm wall section；Wall will be led and be designed as stepped form along its length, control the high low of step
Difference, connected by the gradient between adjacent step, draw the horizontal width between single step；The slope sideline distance of bench-table rank is led in setting
Framing center line is more than the half of pipe extractor base width, it is ensured that pipe extractor substrate is smooth, uniform force；Broken pavement of road,
Dig out the groove for leading wall；Reinforcing bar, formwork supporting plate, casting concrete, maintenance are tied up in groove, completes construction of guide wall.Present method solves
The construction difficult problem of wall is led on heavy grade place, is ensured in the slurry liquid during diaphram wall soil diging groove-forming in same groove segment
Wall apical side height is identical from leading for identity distance, improves mud to the stability of cell wall, is not easy to cave in, it is ensured that pipe extractor and continuous wall connector
Pipe keeps coaxial, improves tube drawing ability, avoids potential safety hazard.
Brief description of the drawings
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings：
Fig. 1 is the plan for leading wall on heavy grade place of the present invention in the construction of guide wall method of diaphragm wall；
Fig. 2 is Fig. 1 C-C direction views.
Embodiment
As depicted in figs. 1 and 2, the construction of guide wall method of diaphragm wall includes following step to embodiment on heavy grade place of the present invention
Suddenly：
Step 1: upper on construction ground obtain the center line of diaphragm wall by setting-out and lead the sideline of wall 1 and mark the every width of diaphragm wall
The framing center line 2 of groove section 3 and the occupation of land scope A of pipe extractor；
Step 2: the gradient in construction of diaphragm wall section is drawn by actual measurement；
Step 3: will lead wall 1 is designed as stepped form along its length, wall 1 is led with reference to the slope control in construction of diaphragm wall section
The high low head of each step 11 is connected by the gradient 12 between adjacent step 11 between 200~300mm, draws single
Horizontal width B between rank；
Step 4: the half that the slope sideline 13 of the step of wall 1 is more than pipe extractor base width A apart from framing center line 2 is led in setting, really
It is smooth to protect pipe extractor substrate, uniform force；
Step 5: crushing pavement of road using excavating machinery, the groove for leading wall 1 is dug out；
Step 6: tying up reinforcing bar, formwork supporting plate, casting concrete, maintenance in the groove for leading wall 1, construction of guide wall is completed.
It is preferably, described that to lead the gradient between the adjacent step 11 of wall 1 be 30~60 °.
Preferably, the height for leading wall 1 is more than 1.5 meters.
This method is simple to operate, and generalization is strong, should carry out the flatness control of each step during construction, and each step can be with
It is made up of multiple continuous wall groove segments.It can be ensured during diaphram wall soil diging groove-forming in same groove segment using this method
Slurry liquid identity distance wall apical side height is identical from leading, so as to ensure stability of the mud to cell wall, avoid caving in；Make tube drawing simultaneously
Device can be horizontally mounted in and lead on wall, ensure that the central axis of pipe extractor and the axis of junction block coincide, so as to improve tube drawing
The ability of device tube drawing；Wall length of bench is led by reasonably dividing, arrangement of reinforcement plan can be carried out in advance to Steel Reinforcing Bar Material, in favor of
Reinforcing bar is saved, avoids wasting.
Claims (3)
1. a kind of construction of guide wall method of diaphragm wall on heavy grade place, it is characterised in that this method comprises the following steps：
Step 1: upper on construction ground obtain the center line of diaphragm wall by setting-out and lead wall sideline and mark the every width of diaphragm wall
The framing center line of groove section and the occupation of land scope of pipe extractor；
Step 2: the gradient in construction of diaphragm wall section is drawn by actual measurement；
Step 3: will lead wall is designed as stepped form along its length, with reference to the slope control in construction of diaphragm wall section, to lead wall every
The high low head of individual step is connected between 200~300mm between adjacent step by the gradient, draws the water between single step
Flat width；
Step 4: setting leads the slope sideline of bench-table rank apart from half of the framing center line more than pipe extractor base width, it is ensured that pulls out
Pipe device substrate is smooth, uniform force；
Step 5: crushing pavement of road using excavating machinery, the groove for leading wall is dug out；
Step 6: tying up reinforcing bar, formwork supporting plate, casting concrete, maintenance in the groove for lead wall, construction of guide wall is completed.
2. the construction of guide wall method of diaphragm wall on heavy grade place according to claim 1, it is characterised in that：It is described to lead wall
The gradient is 30~60 ° between adjacent step.
3. the construction of guide wall method of diaphragm wall on heavy grade place according to claim 1, it is characterised in that：It is described to lead wall
Height be more than 1.5 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610653803.6A CN107724380A (en) | 2016-08-11 | 2016-08-11 | The construction of guide wall method of diaphragm wall on heavy grade place |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610653803.6A CN107724380A (en) | 2016-08-11 | 2016-08-11 | The construction of guide wall method of diaphragm wall on heavy grade place |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107724380A true CN107724380A (en) | 2018-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610653803.6A Pending CN107724380A (en) | 2016-08-11 | 2016-08-11 | The construction of guide wall method of diaphragm wall on heavy grade place |
Country Status (1)
| Country | Link |
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| CN (1) | CN107724380A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101319498A (en) * | 2008-07-17 | 2008-12-10 | 万勇 | Lattice type prefabricated prestressed underground continuous wall and its construction method |
| CN102312445A (en) * | 2010-06-29 | 2012-01-11 | 中交第三航务工程勘察设计院有限公司 | Diaphragm wall and construction method thereof |
| CN102561316A (en) * | 2012-01-20 | 2012-07-11 | 中国建筑第八工程局有限公司 | Construction method for diaphragm walls |
| CN203440831U (en) * | 2013-07-25 | 2014-02-19 | 中国建筑土木建设有限公司 | Novel basement concrete shear wall guide wall structure |
-
2016
- 2016-08-11 CN CN201610653803.6A patent/CN107724380A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101319498A (en) * | 2008-07-17 | 2008-12-10 | 万勇 | Lattice type prefabricated prestressed underground continuous wall and its construction method |
| CN102312445A (en) * | 2010-06-29 | 2012-01-11 | 中交第三航务工程勘察设计院有限公司 | Diaphragm wall and construction method thereof |
| CN102561316A (en) * | 2012-01-20 | 2012-07-11 | 中国建筑第八工程局有限公司 | Construction method for diaphragm walls |
| CN203440831U (en) * | 2013-07-25 | 2014-02-19 | 中国建筑土木建设有限公司 | Novel basement concrete shear wall guide wall structure |
Non-Patent Citations (1)
| Title |
|---|
| 冉瑞乾: "《建筑基础工程施工》", 30 September 2014 * |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20180223 |