CN107059841B - Underground space supporting construction and construction method - Google Patents
Underground space supporting construction and construction method Download PDFInfo
- Publication number
- CN107059841B CN107059841B CN201710311547.7A CN201710311547A CN107059841B CN 107059841 B CN107059841 B CN 107059841B CN 201710311547 A CN201710311547 A CN 201710311547A CN 107059841 B CN107059841 B CN 107059841B
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- underground space
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Classifications
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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
-
- 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
- E02D29/02—Retaining or protecting walls
- E02D29/0258—Retaining or protecting walls characterised by constructional features
- E02D29/0275—Retaining or protecting walls characterised by constructional features cast in situ
-
- 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)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The present invention provides a kind of underground space supporting construction, and its steel bar continuous wall for including being disposed over freezes portion with being arranged on below the steel bar continuous wall.Present invention also offers a kind of construction method of underground space supporting construction.The present invention provides a kind of underground space supporting construction and its construction method, and steel bar continuous wall is combined with freezing pipe, and need not take out freezing pipe after constructing, and saves process, while additionally provides supporting role, and provides basis for the maintenance in later stage.
Description
Technical field
The invention belongs to building field, more particularly to a kind of underground space supporting construction and construction method.
Background technology
The development and utilization of city Deep Underground Space has become important means and the development that the mankind expand living space
Trend, but with the increase of cutting depth, the problems such as underground engineering will face highland pressure, high hydraulic pressure, traditional method for protecting support is (such as：
Slip casting method, diaphram wall, rotary churning pile etc.) phenomena such as inapplicable or support cost greatly increases occurs.
The content of the invention
To solve the above problems, the present invention provides a kind of underground space supporting construction, it includes the reinforcing bar being disposed over
Diaphragm wall and it is arranged on below the steel bar continuous wall and freezes portion, wherein,
The steel bar continuous wall includes：
The embedded ribs on ground are arranged on, it is arranged at intervals for multigroup and along underground reinforced diaphragm wall axis direction, bag
Include pre-buried in the second son of the bottom bracing part that X shapes are set and the first sub- embedded ribs and center that are respectively welded at four free ends
Muscle；
The spill connection cage of steel reinforcement cage one end is arranged on, its both sides is articulated with a cover plate respectively, and one of cover plate is another
One cover plate rotates 180 ° of settings, and the edge of each cover plate is provided with an arc groove, two arc groove phases
To setting and forming a through hole；
It is arranged on steel reinforcement cage other end convex connection cage；
And be arranged on the through hole passed through on convex connection cage and for the described second sub- embedded ribs, the through hole with
The through hole is corresponding；
It is described to freeze portion, including the groove of the embedded ribs is accommodated, the 3rd sub- embedded ribs are provided with the groove, it is described
3rd sub- embedded ribs are bundled on the described second sub- embedded ribs, and the upper and lower of the 3rd sub- embedded ribs is respectively fixed with two groups and freezed
Pipe, the interior filling waterproof material of the groove simultaneously cover the freezing pipe.
Preferably, in described underground space supporting construction,
The groove is respectively solum, LIFT and support flaggy from the bottom to top.
The present invention also provides a kind of construction method of described underground space supporting construction, and it comprises the following steps：
Steel bar continuous wall is carried out along construction border to lead wall unwrapping wire, excavate, build by laying bricks or stones；
Using hydraulic grab excavator, the axial location of wall is led in the steel bar continuous wall, from top to bottom vertical construction,
Form groove under the protection of mud, after cell wall meet require after, carry out bottom land scarfing cinder after be put into be welded with the first sub- embedded ribs and
The bottom bracing part that the X shapes of second sub- embedded ribs are set, is then poured, supporting plate is placed after solidification；
The 3rd sub- embedded ribs are bound on the second sub- embedded ribs, two layers of freezing pipe are placed in the groove afterwards, in institute
Insertion feed tube and drain pipe in every freezing pipe are stated, feed tube other end connection liquid distribution pipe, liquid distribution pipe connection refrigeration plant, goes out liquid
The pipe other end connects collector tube, and collector tube equally connects refrigeration plant, and liquid distribution pipe and collector tube, which are formed, freezes loop, starts the system
Cold station, make low temperature CaCl2Solution circulates in the freezing pipe, by determining temperature tube embedding in advance and hydrology pipe data,
The temperature and thickness of frost wall are determined, continues to construct after meeting the requirements；
Convex connection cage, steel reinforcement cage are connected into cage with spill successively to be put into groove and fix, treat steel bar continuous wall whole
Thawed after the completion of construction.
Preferably, in the construction method of described underground space supporting construction,
Before structure steel bar continuous wall leads wall, starting well and received well are constructed in proposed underground space soil body both sides, it is described
The surrounding of starting well and the received well is equipped with building enclosure, wherein, the starting well and the proposed underground space soil body
Intersection is provided with building enclosure one, and the received well is provided with building enclosure two, institute with the proposed underground space soil body intersection
State the starting well both sides outermost adjacent and relative with the building enclosure one and be equipped with water-stop curtain one, the received well and institute
State the adjacent and relative both sides outermost of building enclosure two and be equipped with water-stop curtain two, in the proposed underground space soil body in addition
Both sides pour cement mixing method, while water-stop curtain three of being constructed respectively on the outside of the mixing pile；
One deferent curtain is set on the proposed underground space soil body top, the pipe curtain is by some steel pipe horizontal Tile shapes
Into the both ends of the steel pipe are erected in the building enclosure one and the building enclosure two respectively, the steel being disposed adjacent
The space to be formed, which is enclosed, between pipe and the proposed underground space soil body fills up sealing material.
Preferably, in the construction method of described underground space supporting construction, the length of the mixing pile is the plan
Build underground space soil body depth 2-3 times, a diameter of 650mm-800mm of the mixing pile.
Preferably, in the construction method of described underground space supporting construction, the sealing material is water-stop or chance
Water-expansible rubber bar.
The present invention provides a kind of underground space supporting construction and its construction method, and steel bar continuous wall is combined with freezing pipe,
And freezing pipe need not be taken out after constructing, process is saved, while supporting role is additionally provided, and provide base for the maintenance in later stage
Plinth.
Further advantage, target and the feature of the present invention embodies part by following explanation, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Brief description of the drawings
Fig. 1 is the structural representation of one embodiment of underground space supporting construction provided by the invention；
Fig. 2 is the overlooking the structure diagram of one embodiment of underground space supporting construction provided by the invention；
Fig. 3 is the flow chart of construction method one embodiment of underground space supporting construction provided by the invention.
Embodiment
The present invention is described in further detail below, to make those skilled in the art being capable of evidence with reference to specification word
To implement.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more
The presence or addition of individual other elements or its combination.
As depicted in figs. 1 and 2, the present invention provides a kind of underground space supporting construction, and it includes the reinforcing bar being disposed over
Diaphragm wall and it is arranged on below the steel bar continuous wall and freezes portion, wherein,
The steel bar continuous wall includes：
The embedded ribs on ground are arranged on, it is arranged at intervals for multigroup and along underground reinforced diaphragm wall axis direction, bag
Include pre- in the second son of the bottom bracing part 1 that X shapes are set and the first sub- embedded ribs 2 and center that are respectively welded at four free ends
Bury muscle 3；
The spill connection cage 401 of the one end of steel reinforcement cage 4 is arranged on, its both sides is articulated with a cover plate 404 respectively, one of lid
Plate is that another cover plate rotates 180 ° of settings, and the edge of each cover plate 404 is provided with an arc groove, two arcs
Connected in star is oppositely arranged and forms a through hole；
It is arranged on the other end convex of steel reinforcement cage 4 connection cage 402；
And it is arranged on the through hole 403 passed through on the convex connection cage 402 and for the described second sub- embedded ribs 3, institute
It is corresponding with the through hole to state through hole 403；
It is described to freeze portion, including the groove 5 of the embedded ribs is accommodated, the 3rd sub- embedded ribs 6 are provided with the groove 5,
The 3rd sub- embedded ribs 6 are bundled on the described second sub- embedded ribs 3, and the 3rd sub- the upper and lower of embedded ribs 6 is respectively fixed with
Two groups of freezing pipes 7, the interior filling waterproof material of the groove 5 simultaneously cover the freezing pipe 7.
In described underground space supporting construction,
The groove 5 is respectively solum, LIFT and support flaggy from the bottom to top.
As shown in figure 3, the present invention also provides a kind of construction method of underground space supporting construction, it comprises the following steps：
Steel bar continuous wall is carried out along construction border to lead wall unwrapping wire, excavate, build by laying bricks or stones；
Using hydraulic grab excavator, the axial location of wall is led in the steel bar continuous wall, from top to bottom vertical construction,
Form groove under the protection of mud, after cell wall meet require after, carry out bottom land scarfing cinder after be put into be welded with the first sub- embedded ribs and
The bottom bracing part that the X shapes of second sub- embedded ribs are set, is then poured, supporting plate is placed after solidification；
The 3rd sub- embedded ribs are bound on the second sub- embedded ribs, two layers of freezing pipe are placed in the groove afterwards, in institute
Insertion feed tube and drain pipe in every freezing pipe are stated, feed tube other end connection liquid distribution pipe, liquid distribution pipe connection refrigeration plant, goes out liquid
The pipe other end connects collector tube, and collector tube equally connects refrigeration plant, and liquid distribution pipe and collector tube, which are formed, freezes loop, starts the system
Cold station, make low temperature CaCl2Solution circulates in the freezing pipe, by determining temperature tube embedding in advance and hydrology pipe data,
The temperature and thickness of frost wall are determined, continues to construct after meeting the requirements；
Convex connection cage, steel reinforcement cage are connected into cage with spill successively to be put into groove and fix, treat steel bar continuous wall whole
Thawed after the completion of construction.
In the construction method of described underground space supporting construction, before structure steel bar continuous wall leads wall, in proposed underground
Starting well and received well are constructed in space soil body both sides, and the surrounding of the starting well and the received well is equipped with building enclosure, its
In, the starting well and the proposed underground space soil body intersection are provided with building enclosure one, the received well with it is described proposed
Underground space soil body intersection is provided with building enclosure two, and the starting well both sides adjacent and relative with the building enclosure one are most
Outside is equipped with water-stop curtain one, and the received well both sides outermost adjacent and relative with the building enclosure two is equipped with only
Water curtain two, cement mixing method is poured in the proposed other both sides of the underground space soil body, while respectively outside the mixing pile
Side construction water-stop curtain three；
One deferent curtain is set on the proposed underground space soil body top, the pipe curtain is by some steel pipe horizontal Tile shapes
Into the both ends of the steel pipe are erected in the building enclosure one and the building enclosure two respectively, the steel being disposed adjacent
The space to be formed, which is enclosed, between pipe and the proposed underground space soil body fills up sealing material.
In the construction method of described underground space supporting construction, the length of the mixing pile is the proposed underground space
2-3 times of soil body depth, a diameter of 650mm-800mm of the mixing pile.
In the construction method of described underground space supporting construction, the sealing material is water-stop or hydro-expansive rubber
Bar.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, it is of the invention and unlimited
In specific details.
Claims (6)
1. underground space supporting construction, it is characterised in that including the steel bar continuous wall being disposed over and be arranged on the reinforcing bar
Freeze portion below diaphragm wall, wherein,
The steel bar continuous wall includes：
The embedded ribs on ground are arranged on, it is arranged at intervals for multigroup and along underground reinforced diaphragm wall axis direction, including in X
The bottom bracing part and be respectively welded at the first sub- embedded ribs of four free ends and the second sub- embedded ribs of center that shape is set；
The spill connection cage of steel reinforcement cage one end is arranged on, its top end face both sides is articulated with a cover plate respectively, and one of cover plate is
Another cover plate rotates 180 ° of settings, and the edge of each cover plate is provided with an arc groove, two arc grooves
It is oppositely arranged and forms a through hole；
It is arranged on steel reinforcement cage other end convex connection cage；
And be arranged on the through hole passed through on convex connection cage and for the described second sub- embedded ribs, the through hole with it is described
Through hole is corresponding；
It is described to freeze portion, include accommodating the groove of the embedded ribs, be provided with the 3rd sub- embedded ribs in the groove, the described 3rd
Sub- embedded ribs are bundled on the described second sub- embedded ribs, and the upper and lower of the 3rd sub- embedded ribs is respectively fixed with two groups of freezing pipes,
Waterproof material is filled in the groove and covers the freezing pipe.
2. underground space supporting construction as claimed in claim 1, it is characterised in that
The groove is respectively solum, LIFT and support flaggy from the bottom to top.
3. the construction method of underground space supporting construction as claimed in claim 1 or 2, it is characterised in that comprise the following steps：
Steel bar continuous wall is carried out along construction border to lead wall unwrapping wire, excavate, build by laying bricks or stones；
Using hydraulic grab excavator, the axial location of wall is led in the steel bar continuous wall, from top to bottom vertical construction, in mud
Protection under form groove, after cell wall meets to require, be put into after carrying out bottom land scarfing cinder and be welded with the first sub- embedded ribs and second
The bottom bracing part that the X shapes of sub- embedded ribs are set, is then poured, supporting plate is placed after solidification；
The 3rd sub- embedded ribs are bound on the second sub- embedded ribs, two layers of freezing pipe are placed in the groove afterwards, in every institute
Insertion feed tube and drain pipe in freezing pipe, feed tube other end connection liquid distribution pipe are stated, liquid distribution pipe connects refrigeration plant, and drain pipe is another
One end connects collector tube, and collector tube equally connects refrigeration plant, and liquid distribution pipe and collector tube, which are formed, freezes loop, starts the refrigeration
Stand, make low temperature CaCl2Solution circulates in the freezing pipe, by determining temperature tube embedding in advance and hydrology pipe data, really
Determine the temperature and thickness of frost wall, continue to construct after meeting the requirements；
Convex connection cage, steel reinforcement cage are connected into cage with spill successively to be put into groove and fix, treat that steel bar continuous wall is all constructed
After the completion of thaw.
4. the construction method of underground space supporting construction as claimed in claim 3, it is characterised in that
Before structure steel bar continuous wall leads wall, starting well and received well are constructed in proposed underground space soil body both sides, it is described to originate
The surrounding of well and the received well is equipped with building enclosure, wherein, the starting well has a common boundary with the proposed underground space soil body
Place is provided with building enclosure one, and the received well is provided with building enclosure two, the beginning with the proposed underground space soil body intersection
The hair well both sides outermost adjacent and relative with the building enclosure one is equipped with water-stop curtain one, and the received well encloses with described
The adjacent and relative both sides outermost of protection structure two is equipped with water-stop curtain two, in the proposed other both sides of the underground space soil body
Cement mixing method is poured, while water-stop curtain three of being constructed respectively on the outside of the mixing pile；
One deferent curtain is set on the proposed underground space soil body top, the pipe curtain is formed by some steel pipe horizontal Tiles, institute
The both ends for stating steel pipe are erected in the building enclosure one and the building enclosure two respectively, the steel pipe being disposed adjacent and institute
State and enclose the space to be formed between the proposed underground space soil body and fill up sealing material.
5. the construction method of underground space supporting construction as claimed in claim 4, it is characterised in that the length of the mixing pile
For 2-3 times of the proposed underground space soil body depth, a diameter of 650mm-800mm of the mixing pile.
6. the construction method of underground space supporting construction as claimed in claim 4, it is characterised in that untill the sealing material
Aqua or hydro-expansive rubber bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710311547.7A CN107059841B (en) | 2017-05-05 | 2017-05-05 | Underground space supporting construction and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710311547.7A CN107059841B (en) | 2017-05-05 | 2017-05-05 | Underground space supporting construction and construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107059841A CN107059841A (en) | 2017-08-18 |
| CN107059841B true CN107059841B (en) | 2018-02-06 |
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ID=59596154
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710311547.7A Active CN107059841B (en) | 2017-05-05 | 2017-05-05 | Underground space supporting construction and construction method |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2737647A1 (en) * | 1977-08-20 | 1979-02-22 | Hochtief Ag Hoch Tiefbauten | Underground tunnel section making system - leaves frozen gaps for dry excavation and ground water flow |
| CN105297742A (en) * | 2015-10-22 | 2016-02-03 | 北京城建集团有限责任公司 | Structure and method of water stopping support of underground space |
| CN105239606A (en) * | 2015-10-31 | 2016-01-13 | 中国矿业大学(北京) | Inter-pile freezing structure of deep underground space and constructing method |
| CN105887936A (en) * | 2016-05-13 | 2016-08-24 | 中国矿业大学 | Freezing pipe embedding type water sealing method of trench wall connector |
| CN105926636B (en) * | 2016-05-13 | 2018-03-20 | 中国矿业大学 | Deep Foundation Pit Frozen back cover construction method |
| CN106013086A (en) * | 2016-06-23 | 2016-10-12 | 程华清 | Construction method for processing underground continuous wall joint through boss type I-steel joint box |
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2017
- 2017-05-05 CN CN201710311547.7A patent/CN107059841B/en active Active
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| CN107059841A (en) | 2017-08-18 |
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Addressee: Li Yanchuan Document name: Notification of Passing Examination on Formalities |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20180104 Address after: 100034 Fuchengmen North Street, Xicheng District, Xicheng District, Beijing Applicant after: BEIJING URBAN CONSTRUCTION DESIGN & DEVELOPMENT GROUP CO., LIMITED Address before: 100034 Fuchengmen North Street, Xicheng District, Xicheng District, Beijing Applicant before: Li Yanchuan |
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