CN206346200U - Special-shaped foundation ditch corner constructing structure - Google Patents
Special-shaped foundation ditch corner constructing structure Download PDFInfo
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- CN206346200U CN206346200U CN201621324678.6U CN201621324678U CN206346200U CN 206346200 U CN206346200 U CN 206346200U CN 201621324678 U CN201621324678 U CN 201621324678U CN 206346200 U CN206346200 U CN 206346200U
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Abstract
The utility model discloses special-shaped foundation ditch corner constructing structure, including supporting two row's mixing piles inside and outside proposed building ground-connecting-wall, described proposed building ground-connecting-wall intersects setting with the subway station ground-connecting-wall being currently running, building ground-connecting-wall is built between two described row's mixing piles, described building ground-connecting-wall top surface is less than ground, supporting has many first high-pressure rotary jet grouting piles and the high-pressure rotary jet grouting piles of Duo Gen second respectively in the outside soil body of subway station ground-connecting-wall and building ground-connecting-wall, mini-valve tube system is installed at the interface on the outside of the outside of subway station ground-connecting-wall and building ground-connecting-wall, a circle cap has been built in described building ground-connecting-wall top casting, inclinometer is installed on the ground-connecting-wall of subway station.This structure ensure that the stable foundation of early warning support system.
Description
Technical field
The utility model is related to early warning support system constructing structure, more particularly to special-shaped foundation ditch corner constructing structure.
Background technology
With the Large scale construction of city underground, subway station safe operation turns into the problem that people become more concerned with.Build
The purpose of vertical good metro environment is one safety of offer, environment of comfortably riding.If proposed building is close to
During the subway of operation, and proposed building foundation ditch is when being the special-shaped deep basal pit of corner again, and one will be especially set up in construction
The safe and reliable early warning support system of set.When the deformation of metro tunnel for occurring running exceedes permissible value, to start early warning branch immediately
Watch box system.
Application No. CN200910039944.9 Chinese patent discloses " slurry injection technique of double-valve sleeve valve tube of cloth bag ", the skill
Art is directed to the shortcoming of slurry injection technique of sleeve valve tube, the cloth bag that a geotextiles make is covered on mini-valve tube, by cloth bag every 1.5~2m
Using plastic button, colligation on mini-valve tube, is drilled to projected depth using plant equipment securely, by the bivalve cloth bag made
Mini-valve tube is installed, from bottom to top segmenting slip casting, and each slip casting section plastic button after design grouting pressure is reached can be beaten automatically
Open；1~2 plastic draining board is set on the outside of cloth bag simultaneously, part moisture in slurries, and dissipation slip casting can be not only excluded
The excess pore water pressure produced in ground, reduces soil compaction effect；This patent disclose slurry injection technique of double-valve sleeve valve tube of cloth bag,
The periphery of the application is not suitable for close to subway station and the deep basal pit early warning prop of the special-shaped foundation ditch corner of complicated geology
It is construction method.
The Chinese patent of Application No. 2010101688608 discloses " the embedding rock groove section dado structure of diaphram wall Y-shaped
And the retaining wall forming construction method thereof of the embedding rock groove section of diaphram wall Y-shaped ", it includes cement-soil mixing pile wall, soil cement
Deep mixing wall leads wall provided with armored concrete, and it is deep that the cement-soil mixing pile wall includes three " V " type soil cements
Layer churned pile wall, three " V " type cement-soil mixing pile walls constitute Y-shaped, the Y-shaped cement-soil mixing pile wall
Two vertical corners provided with plastic concrete stake be connected with the cement-soil mixing pile of both sides so that it is embedding to constitute Y-shaped
Rock groove section dado structure.The embedding rock groove section of diaphram wall Y-shaped uses " five millings " forming construction method thereof.This patent disclose underground
The embedding rock groove section panelling construction method of diaphragm wall Y-shaped, soil cement of two vertical corners provided with plastic concrete stake with both sides
Deep-mixed pile is connected, and is not suitable for periphery close to the special-shaped foundation ditch corner for the subway station and complicated geology being currently running
Deep basal pit early warning support system construction.
The content of the invention
The purpose of this utility model is to overcome the shortcomings of prior art, and there is provided a kind of simple in construction, safe and reliable different
Shape foundation ditch corner constructing structure.
Special-shaped foundation ditch corner constructing structure, including two rows of the supporting inside and outside proposed building ground-connecting-wall stir
Stake, described proposed building ground-connecting-wall intersects setting with the subway station ground-connecting-wall being currently running, and is stirred in two described rows
Building ground-connecting-wall is built between stake, described building ground-connecting-wall top surface is less than ground, ground-connecting-wall and built in subway station
Build in the outside soil body of thing ground-connecting-wall that supporting has many first high-pressure rotary jet grouting piles and the high-pressure rotary jet grouting piles of Duo Gen second respectively, it is adjacent
Between two second high-pressure rotary jet grouting piles between two first high-pressure rotary jet grouting piles, adjacent and the first high-pressure rotary jet grouting pile and second high
The mutually overlap joint occlusion, the handing-over on the outside of the outside of subway station ground-connecting-wall and building ground-connecting-wall respectively of pressure rotary-spraying stake junction
Mini-valve tube system is installed at face, a circle cap has been built in described building ground-connecting-wall top casting, on the ground-connecting-wall of subway station
Inclinometer is installed.
This structure is constructed two row's mixing piles respectively in the front and rear sides of proposed building ground-connecting-wall, in subway station ground-connecting-wall
The many high-pressure rotary jet grouting piles and the mini-valve tube system that mutually overlap, and cap are built with the outside soil body of proposed building ground-connecting-wall
Beam, purlin, horizontal support are enclosed, entirely form the deep basal pit early warning support system of a whole set of complicated special-shaped foundation ditch corner.Protect
Demonstrate,prove and set up close to the stable of the safe and reliable early warning support system for being currently running deep basal pit of being constructed at subway.
Brief description of the drawings
Fig. 1 is the schematic top plan view of special-shaped foundation ditch corner constructing structure of the present utility model；
Fig. 2 is the deep foundation pit support section signal carried out using special-shaped foundation ditch corner constructing structure of the present utility model
Figure.
Embodiment
Below in conjunction with the accompanying drawings, embodiment of the present utility model is described in detail.
Abnormity foundation ditch corner constructing structure, including supporting is inside and outside proposed building ground-connecting-wall as shown in drawings
Two row's mixing piles, described proposed building ground-connecting-wall intersects setting with the subway station ground-connecting-wall 1 being currently running, described
Two row's mixing piles between be built with building ground-connecting-wall 2, the described top surface of building ground-connecting-wall 2 is less than ground, in subway
Standing in the outside soil body of ground-connecting-wall 1 and building ground-connecting-wall 2, supporting has many first high-pressure rotary jet grouting piles 3 and Duo Gen second high respectively
Pressure rotary-spraying stake 4, between two adjacent first high-pressure rotary jet grouting piles 3, between two adjacent second high-pressure rotary jet grouting piles 4 and first
Mutually overlap joint be engaged respectively for high-pressure rotary jet grouting pile 3 and the junction of the second high-pressure rotary jet grouting pile 4, in subway station the outside of ground-connecting-wall with build
Mini-valve tube system 10 is installed at the interface for building the outside of thing ground-connecting-wall 2, a circle has been built in the described top casting of building ground-connecting-wall 2
Cap 9, inclinometer is provided with subway station ground-connecting-wall 1.
It is as follows that foundation ditch after this structure structure digs process：
(1) described building ground-connecting-wall 2 inner side excavation pit to the first depth, then in the side of the foundation ditch dug
Interval installs first of horizontal support 6 and will built on the end of first of horizontal support 6 and building ground-connecting-wall 2 on wall
Purlin is enclosed to be fixedly linked；
(2) repeat step (1) layering carries out excavation of foundation pit until reaching desired depth, and in every layer of Excavation Process
The middle horizontal support 7 for carrying out equivalent layer respectively is installed；
In the step (1) described in progress, the Excavation Process of step (2), if installed in subway station ground-connecting-wall 1
On inclinometer send deformation pre-warning signal when, immediately start the system of mini-valve tube 10 filling system carry out slip casting.
Claims (1)
1. special-shaped foundation ditch corner constructing structure, it is characterised in that:Including supporting inside and outside proposed building ground-connecting-wall
Two row's mixing piles, described proposed building ground-connecting-wall intersects setting with the subway station ground-connecting-wall being currently running, described
It is built with building ground-connecting-wall between two row's mixing piles, described building ground-connecting-wall top surface is less than ground, in subway station
Even supporting has many first high-pressure rotary jet grouting piles and the high-pressure rotary-sprays of Duo Gen second respectively in the outside soil body of wall and building ground-connecting-wall
Stake, between two adjacent first high-pressure rotary jet grouting piles, between two adjacent second high-pressure rotary jet grouting piles and the first high-pressure rotary-spray
Mutually overlap joint is engaged respectively with the second high-pressure rotary jet grouting pile junction for stake, the outside of ground-connecting-wall and building ground-connecting-wall in subway station
Mini-valve tube system is installed at the interface in outside, a circle cap has been built in described building ground-connecting-wall top casting, in subway
Stand and inclinometer is installed on ground-connecting-wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621324678.6U CN206346200U (en) | 2016-12-05 | 2016-12-05 | Special-shaped foundation ditch corner constructing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621324678.6U CN206346200U (en) | 2016-12-05 | 2016-12-05 | Special-shaped foundation ditch corner constructing structure |
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| Publication Number | Publication Date |
|---|---|
| CN206346200U true CN206346200U (en) | 2017-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621324678.6U Active CN206346200U (en) | 2016-12-05 | 2016-12-05 | Special-shaped foundation ditch corner constructing structure |
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| CN (1) | CN206346200U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107587501A (en) * | 2017-09-12 | 2018-01-16 | 中铁第四勘察设计院集团有限公司 | A kind of new and old ground-connecting-wall T connector structure and its construction method |
-
2016
- 2016-12-05 CN CN201621324678.6U patent/CN206346200U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107587501A (en) * | 2017-09-12 | 2018-01-16 | 中铁第四勘察设计院集团有限公司 | A kind of new and old ground-connecting-wall T connector structure and its construction method |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20180914 Granted publication date: 20170721 |
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| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20190618 Granted publication date: 20170721 |