CN106592632A - Underground supporting structure for reverse construction method and construction method - Google Patents
Underground supporting structure for reverse construction method and construction method Download PDFInfo
- Publication number
- CN106592632A CN106592632A CN201611237554.9A CN201611237554A CN106592632A CN 106592632 A CN106592632 A CN 106592632A CN 201611237554 A CN201611237554 A CN 201611237554A CN 106592632 A CN106592632 A CN 106592632A
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- vertical structure
- support system
- vertical
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- underground
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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
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
- E02D29/05—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them at least part of the cross-section being constructed in an open excavation or from the ground surface, e.g. assembled in a trench
- E02D29/055—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them at least part of the cross-section being constructed in an open excavation or from the ground surface, e.g. assembled in a trench further excavation of the cross-section proceeding underneath an already installed part of the structure, e.g. the roof of a tunnel
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- Engineering & Computer Science (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)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention belongs to the technical field of underground constructional engineering, and particularly relates to an underground supporting structure for a reverse construction method. An underground supporting system is an underground structural beam, a shear wall and the wall of a well and comprises first vertical structure supporting system sections and second vertical structure supporting system sections, and the first vertical structure supporting system sections and the second vertical structure supporting system sections are connected in sequence; each first vertical structure supporting system section comprises a first-section vertical body and a first-section horizontal structure body which is arranged on an auxiliary rigid structure system; the first vertical structure supporting system sections and the second vertical structure supporting system sections are internally provided with suspension-pulling steel cables; the ends, penetrating through the first vertical structure supporting system sections and the second vertical structure supporting system sections, of the suspension-pulling steel cables are fixedly connected with a bottom formwork; and the other opposite ends of the suspension-pulling steel cables are provided with steel cable locking devices. By means of the underground supporting structure for the reverse construction method, the structure safety is ensured, the construction efficiency is improved, and the construction progress is accelerated. The invention further discloses a construction method of the underground supporting structure for the reverse construction method.
Description
Technical field
The present invention relates to a kind of reverse construction ground prop structure and construction method, belong to underground structrue engineering field.
Background technology
With economic growth and the acceleration of urbanization process, available aboveground space is fewer and feweri in city, and city is sent out
Open up and more projected with the contradiction of land resource shortage.The existing use insufficient space of existing building, needs reasonable development, utilizes both
There is the underground space of building.In underground engineering construction, typically constructed using cut and cover method.Although cut and cover method has construction letter
The advantages such as list, cheap, the work progress degree of controllability height of engineering direct cost, but notable deficiency is there is also at present：One is cut and cover method
Construction is relatively costly to the protection of existing facility, and the construction period is relatively long.Cause engineering indirect cost and auxiliary duration significantly
Increase；Two is that cut and cover tunneling is very big to the normal influence on system operation in city.Traffic route, drainage pipeline networks in the range of Effects on Engineering,
The existing facility such as water power coal gas, is unavoidably interfered；Three is that cut and cover tunneling affects very big to city appearance environment.Whole construction
Environment of the process in opposing open, the impact to city appearance environment is very big.In view of this, opening for exploitation Deep underground space is explored
Dig new technology new method imperative.
At present the excavation of foundation pit of widely used underground engineering is mostly, along the practice, successively to excavate, and is successively supported, and is led to
Often applicable excavation of foundation pit is shallower, and for excavating compared with deep basal pit, this method has that construction period is longer, and engineering reliability is not strong,
The shortcomings of technique substantially falls behind.Reverse construction is that underground space development cost is most economical, the most reliable method of technology, due to inverse
Some tiny technical problems of practice construction are not solved, and cause the advantage of reverse construction unobvious, therefore, for contrary sequence method
The problem that construction is present, supporting construction when how to provide a kind of safe efficient, low cost underground space reverse construction is
The technical problem of those skilled in the art's urgent need to resolve.
The content of the invention
The present invention proposes that a kind of constructing operation is simple, improves efficiency of construction and construction speed, economic technology remarkable benefit
Reverse construction ground prop structure and construction method, solve the problems, such as prior art.
In order to solve above-mentioned technical problem, the technical scheme is that：
A kind of reverse construction ground prop structure, the ground prop system be underground structure beam, shear wall and the borehole wall,
The ground prop system includes first paragraph vertical structure support system and the second segment vertical structure support system being sequentially connected,
The first paragraph vertical structure support system includes the vertical body of first section and first section horizontal structure body, and the horizontal structure body is placed in auxiliary
Help on rigid structural system, be provided with the first paragraph vertical structure support system and second segment vertical structure support system outstanding
Cable wire, the outstanding drawing cable wire is drawn to run through the one of the first paragraph vertical structure support system and second segment vertical structure support system
End is fixedly connected with bed die, and the relative other end is provided with cable wire Fastening device for cable.
Service sleeve is enclosed with the outside of the outstanding drawing cable wire.
The supplemental rigid structural system is stake or concrete underground continuous wall structure.
The connecting portion of the first paragraph vertical structure support system and second segment vertical structure support system in step-like,
Coupling part is provided with dowel.The dowel is in " E " type.The dowel of " E " type improves the first paragraph vertical structure
Support body system and the bonding strength and rigidity of second segment vertical structure support system connecting portion, the dowel of " E " type is arranged at institute
In the bar construction of the first paragraph vertical structure support system and second segment vertical structure support system, upper and lower two can be connected
The reinforcing bar for dividing so as to become an entirety.
A kind of construction method of reverse construction ground prop structure, comprises the following steps：
Step one, preparation of construction：According to design drawing, smooth construction site, organizing construction's material, machinery, personnel are in place；
Step 2, construction supplemental rigid structural system, in the supplemental rigid structural system first section vertical structure is poured
Body and first section horizontal structure body, pre-buried vertical outstanding drawing cable encasing-tube, carries out concrete maintaining in first section vertical structure body；
Step 3, pour second segment vertical structure support system：Formwork, pre-buried outstanding drawing cable encasing-tube installs outstanding drawing cable wire,
The bed die laying of underground structure beam, shear wall and the borehole wall is carried out again, and outstanding drawing cable wire and bed die 7 are connected, adjusted；Carrying out second
Section vertical structure support system concreting；
Step 4, the casting process for repeating the last period vertical structure supporter.
The characteristics of present invention has following and beneficial effect：
A kind of reverse construction ground prop structure according to the present invention and construction method, are vertically tied by arranging first paragraph
Structure support system and second segment vertical structure support system, first paragraph vertical structure support system and second segment vertical structure are supported
System is placed in supplemental rigid structural system, and first paragraph vertical structure support system is used as the outstanding of second segment vertical structure support system
The cable wire strong point is drawn, the outstanding drawing cable wire for passing through vertical structure support system using service sleeve supports bed die, makes concrete maintaining
It is independent of each other between constructing with continuation, hangs and draw cable wire to adopt sleeve pipe guarantee upper-lower section bridging arrangement firmly, concreting is closely knit,
Support system is stablized, and is easy to recycle and reuse, and on the premise of structure safety is ensured, improves efficiency of construction, construction speed and carries
It is high by 100%.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is a kind of structural representation of reverse construction underground beam structure of the invention.
In figure, 1- cable wire Fastening device for cable；2- supplemental rigid structural systems；3- first paragraph vertical structure support systems；4-
Two-stage nitration vertical structure support system；5- is outstanding to draw cable wire；6- service sleeves；7- bed dies.
Specific embodiment
The specific embodiment of the present invention is described further below in conjunction with the accompanying drawings.Here it should be noted that for
The explanation of these embodiments is used to help understand the present invention, but does not constitute limitation of the invention.Additionally, disclosed below
As long as the present invention each embodiment in involved technical characteristic do not constitute conflict each other and just can be mutually combined.
A kind of structural representation of the reverse construction underground beam structure with reference to shown in Fig. 1.A kind of reverse construction
Ground prop structure, the ground prop system be underground structure beam, shear wall and the borehole wall, the ground prop system include according to
The first paragraph vertical structure support system 3 and second segment vertical structure support system 4 of secondary connection, the first paragraph vertical structure
Support body system 3 includes the vertical body of first section and first section horizontal structure body, and the horizontal structure body is placed in supplemental rigid structural system 2,
Outstanding drawing cable wire 5 is provided with the first paragraph vertical structure support system 3 and second segment vertical structure support system 4, it is described outstanding
Cable wire 5 is drawn through one end of the first paragraph vertical structure support system 3 and second segment vertical structure support system 4 and bed die 7
It is fixedly connected, the relative other end is provided with cable wire Fastening device for cable 1.
The outside of the outstanding drawing cable wire 5 is enclosed with service sleeve 6.It is outstanding to draw cable wire 5 also be substituted with reinforcing bar.
The supplemental rigid structural system 2 is pilework.
The connecting portion of the first paragraph vertical structure support system 3 and second segment vertical structure support system 4 is in step
Shape, coupling part is provided with dowel.
A kind of construction method of reverse construction ground prop structure, comprises the following steps：
Step one, preparation of construction：According to design drawing, smooth construction site, organizing construction's material, machinery, personnel are in place；
Step 2, construction supplemental rigid structural system 2, pour first section and vertically tie in the supplemental rigid structural system 2
Structure body and first section horizontal structure body, pre-buried vertical outstanding drawing cable encasing-tube, carries out concrete maintaining in first section vertical structure body；
Step 3, pour second segment vertical structure support system 4：Formwork, pre-buried outstanding drawing cable encasing-tube installs outstanding drawing cable wire
5, then carry out the bed die 7 of underground structure beam, shear wall and the borehole wall and lay, outstanding drawing cable wire 5 and bed die 7 are connected, adjusted；Carry out
The concreting of second segment vertical structure support system 4；
Step 4, the casting process for repeating the last period vertical structure supporter.
A kind of reverse construction ground prop structure according to the present invention and construction method, are vertically tied by arranging first paragraph
Structure support system 3 and second segment vertical structure support system 4, first paragraph vertical structure support system 3 and second segment vertical structure
Support system 4 is placed in supplemental rigid structural system 2, and first paragraph vertical structure support system 3 is used as second segment vertical structure
The outstanding strong point of drawing cable wire 5 of support body system 4, the outstanding drawing cable wire 5 for passing through vertical structure support system using service sleeve 6 supports bed die
7, make concrete maintaining and continue to be independent of each other between constructing, hang and draw cable wire 5 to ensure upper-lower section bridging arrangement using service sleeve 6
Firmly, concreting is closely knit, and support system is stable, is easy to recycle and reuse, and on the premise of structure safety is ensured, improves
Efficiency of construction, construction speed improve 100%.
Embodiments of the present invention are explained in detail above in association with accompanying drawing, but the invention is not restricted to described enforcement
Mode.For a person skilled in the art, in the case of without departing from the principle of the invention and spirit, to these embodiments
Various changes, modification, replacement and modification are carried out, is still fallen within protection scope of the present invention.
Claims (6)
1. a kind of reverse construction ground prop structure, the ground prop system is underground structure beam or shear wall or the borehole wall,
It is characterized in that：The ground prop system includes that the first paragraph vertical structure support system being sequentially connected and second segment are vertically tied
Structure support system, the first paragraph vertical structure support system includes the vertical body of first section and first section horizontal structure body, the level
Structure is placed in supplemental rigid structural system, the first paragraph vertical structure support system and second segment vertical structure supporter
Outstanding drawing cable wire is provided with system, the outstanding drawing cable wire is through the first paragraph vertical structure support system and second segment vertical structure
One end of support system is fixedly connected with bed die, and the relative other end is provided with cable wire Fastening device for cable.
2. reverse construction ground prop structure according to claim 1, it is characterised in that：Outside described outstanding drawing cable wire
Side is enclosed with service sleeve.
3. reverse construction ground prop structure according to claim 1, it is characterised in that：The supplemental rigid structure
It is for stake or continuous underground wall structure.
4. reverse construction ground prop structure according to claim 1, it is characterised in that：The first paragraph vertical structure
The connecting portion of support system and second segment vertical structure support system is in step-like, and coupling part is provided with dowel.
5. reverse construction ground prop structure according to claim 4, it is characterised in that：The dowel is in " E " type.
6. a kind of construction method of reverse construction ground prop structure, it is characterised in that：Comprise the following steps：
Step one, preparation of construction：According to design drawing, smooth construction site, organizing construction's material, machinery, personnel are in place；
Step 2, construction supplemental rigid structural system, pour in the supplemental rigid structural system first section vertical structure body and
First section horizontal structure body, pre-buried vertical outstanding drawing cable encasing-tube, carries out concrete maintaining in first section vertical structure body；
Step 3, pour second segment vertical structure support system：Formwork, pre-buried outstanding drawing cable encasing-tube installs outstanding drawing cable wire, then enters
The bed die laying of row underground structure beam, shear wall and the borehole wall, outstanding drawing cable wire and bed die 7 are connected, are adjusted；Erect second segment is carried out
Pour to structural support series concrete；
Step 4, the casting process for repeating the last period vertical structure supporter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611237554.9A CN106592632A (en) | 2016-12-28 | 2016-12-28 | Underground supporting structure for reverse construction method and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611237554.9A CN106592632A (en) | 2016-12-28 | 2016-12-28 | Underground supporting structure for reverse construction method and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106592632A true CN106592632A (en) | 2017-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611237554.9A Pending CN106592632A (en) | 2016-12-28 | 2016-12-28 | Underground supporting structure for reverse construction method and construction method |
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| CN (1) | CN106592632A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107975040A (en) * | 2017-11-30 | 2018-05-01 | 上海宝冶集团有限公司 | Circular top pipe working pit multiple material handling method of deep foundation pit construction method |
| CN111877399A (en) * | 2020-07-28 | 2020-11-03 | 南通隆嘉机械科技有限公司 | Construction method for rapid channel sinking culvert construction by reverse operation |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05132939A (en) * | 1991-11-13 | 1993-05-28 | Taisei Corp | Installation method of underwater strut |
| KR20060110130A (en) * | 2005-04-19 | 2006-10-24 | 주식회사 효광엔지니어링 | Auto-syncronized supporting system controlling to recover and offset displacement and repulsive force occurred according to working load, and constructing method of the supporting system |
| CN102720381A (en) * | 2012-06-27 | 2012-10-10 | 郑治中 | Elevator-type underground stereo garage shaft and construction method thereof |
| CN105332370A (en) * | 2015-10-29 | 2016-02-17 | 广东省基础工程集团有限公司 | Fabricated underground continuous wall unit and construction method thereof |
| CN206448293U (en) * | 2016-12-28 | 2017-08-29 | 郑倩 | A kind of reverse construction ground prop structure |
-
2016
- 2016-12-28 CN CN201611237554.9A patent/CN106592632A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05132939A (en) * | 1991-11-13 | 1993-05-28 | Taisei Corp | Installation method of underwater strut |
| KR20060110130A (en) * | 2005-04-19 | 2006-10-24 | 주식회사 효광엔지니어링 | Auto-syncronized supporting system controlling to recover and offset displacement and repulsive force occurred according to working load, and constructing method of the supporting system |
| CN102720381A (en) * | 2012-06-27 | 2012-10-10 | 郑治中 | Elevator-type underground stereo garage shaft and construction method thereof |
| CN105332370A (en) * | 2015-10-29 | 2016-02-17 | 广东省基础工程集团有限公司 | Fabricated underground continuous wall unit and construction method thereof |
| CN206448293U (en) * | 2016-12-28 | 2017-08-29 | 郑倩 | A kind of reverse construction ground prop structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107975040A (en) * | 2017-11-30 | 2018-05-01 | 上海宝冶集团有限公司 | Circular top pipe working pit multiple material handling method of deep foundation pit construction method |
| CN111877399A (en) * | 2020-07-28 | 2020-11-03 | 南通隆嘉机械科技有限公司 | Construction method for rapid channel sinking culvert construction by reverse operation |
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Application publication date: 20170426 |
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| RJ01 | Rejection of invention patent application after publication |