CN207176697U - A kind of buttress type diaphragm wall foundation pit supporting construction - Google Patents
A kind of buttress type diaphragm wall foundation pit supporting construction Download PDFInfo
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- CN207176697U CN207176697U CN201720456786.7U CN201720456786U CN207176697U CN 207176697 U CN207176697 U CN 207176697U CN 201720456786 U CN201720456786 U CN 201720456786U CN 207176697 U CN207176697 U CN 207176697U
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- diaphragm wall
- buttress
- diaphragm
- supporting construction
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Abstract
The utility model discloses a kind of buttress type diaphragm wall foundation pit supporting construction, including diaphragm wall, Guan Liang and some buttresses；The diaphragm wall is arranged on the outside of foundation ditch, and the Guan Liang is arranged on the continuous coping, and the buttress interval is located at side of the diaphragm wall away from foundation ditch；The buttress includes two sides side wall, rear wall and the cover plate for the side wall, the rear wall and the diaphragm wall to be connected；Side wall described in two sides is connected with the diaphragm wall, and the rear wall is connected between the end of side wall described in two sides, and the cover plate is located at the side wall, the rear wall and the continuous coping.Using a kind of buttress type diaphragm wall foundation pit supporting construction of the present utility model, when run into that foundation ditch area is excessive or foundation ditch outside have Sensitive Buildings when, supporting and protecting row pile pit structure also can normally and be economically set.
Description
Technical field
The utility model belongs to building foundation pit supporting technical field of structures, is related to a kind of buttress type diaphragm wall pattern foundation pit supporting structure knot
Structure.
Background technology
Pattern foundation pit supporting structure is to ensure the safety of Underground Construction and foundation ditch surrounding enviroment, to foundation pit side-wall and surrounding enviroment
Supporting and retaining system, reinforcing and the safeguard measure of use.For main structure construction under protecting field and the safety of foundation ditch surrounding enviroment, foundation ditch is adopted
Provisional supporting and retaining system, reinforcing, protection and the measure of Groundwater Control.
It is to form a groove section using geo-drilling equipment and be built into continuous due to the foundation pit supporting construction using diaphragm wall
Wall, using this structure, Construction Vibration is small, and wall stiffness is big, and good integrity, speed of application is fast, can save the cubic metre of earth and stone, can be used for
Deep foundation pit support is built in intensive building and carries out reverse construction, available under various geological conditions, including sandy soil layer,
Construction etc. in below particle diameter 50mm sandy gravel stratum.
Existing diaphragm wall supporting construction factory uses the fulcrum of inner support or anchor cable as Row Piles Supporting Structure, but some big
During the practice of construction of area foundation ditch, because the excavation area of foundation ditch is big, cause the in larger distance of foundation ditch both sides, using interior branch
The structure of support is not economical enough；In construction, campshed is fixed using anchor cable, it is necessary to by the oblique soil body squeezed on the outside of foundation ditch of anchor cable
In, machine oil construction of structures outside foundation ditch can be impacted, when having sensitive construction of structures outside foundation ditch, can not meet to protect using anchor cable
Protect the requirement of construction of structures.
Utility model content
In order to overcome above-mentioned technological deficiency, the utility model provides a kind of buttress type diaphragm wall foundation pit supporting construction, works as base
There is sensitive construction of structures outside foundation ditch when cheating the excessive area excavated or excavation, diaphragm wall foundation ditch branch also can be efficiently and effectively set
Protection structure.
In order to solve the above problems, the utility model is achieved by following technical scheme：
A kind of buttress type diaphragm wall foundation pit supporting construction described in the utility model, including diaphragm wall, Guan Liang and some buttresses；
The diaphragm wall is arranged on the outside of foundation ditch, and the Guan Liang is arranged on the continuous coping, between the buttress
Every located at side of the diaphragm wall away from foundation ditch；
The buttress includes two sides side wall, rear wall and for the side wall, the rear wall and the diaphragm wall to be linked to be into one
The cover plate of body；Side wall described in two sides is connected with the diaphragm wall, and the rear wall is connected between the end of side wall described in two sides,
The cover plate is located at the side wall, the rear wall and the continuous coping.
Further, side wall described in the two sides of any buttress and the rear wall enclose shape between the diaphragm wall
Rectangular or generally rectangular shaped framework.
Further, the diaphragm wall, the side wall and the rear wall are perfusion wall.
Further, the diaphragm wall, the side wall and the rear wall are stretched into the cover plate, stretch into the depth of the cover plate
Degree is more than 100mm.
Further, the diaphragm wall, the side wall and it is described after be equipped with cage bar within the walls, main ribs anchor into the lid
In plate, the depth for anchoring into the cover plate is more than the diameter of 40 times of main ribs.
Further, the distance of the diaphragm wall and the rear wall is the wall thickness of the 4-6 times of diaphragm wall.
Further, the distance between side wall described in the two sides of the buttress is the wall thickness of the 4-6 times of diaphragm wall.
Further, the thickness of the cover plate is the wall thickness of the 0.8-1 times of diaphragm wall.
Further, the diaphragm wall, the side wall are consistent with the wall thickness of the rear wall, and the depth of the diaphragm wall is institute
State side wall depth and the rear wall depth one times.
Further, the distance of the two neighboring buttress is 10-20m.
Compared with prior art, the beneficial effects of the utility model are：A kind of buttress type provided by the utility model is continuous
Wall base pit supporting construction, the outside of foundation ditch are provided with diaphragm wall, and buttress interval is located at side of the diaphragm wall away from foundation ditch, due to buttress
Be provided in outside foundation ditch, when the excavation area of foundation ditch is larger also can normal use without increase extra cost；Using branch
Pier structure is as anchor point, it is not necessary to the soil body for squeezing into anchor cable on the outside of foundation ditch, the ground of construction of structures outside foundation ditch will not be made
Into influence, can have outside foundation ditch during sensitive construction of structures and use；And the bending rigidity of buttress is larger, using buttress as base
The anchor point of pit supporting construction, effectively reduce the lateral displacement of foundation pit supporting construction, ensure that large area in foundation ditch excavate with
Sharp work.
Brief description of the drawings
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings, wherein：
Fig. 1 is the foundation pit supporting construction schematic top plan view that the utility model embodiment provides；
Fig. 2 is the buttress structural upright schematic diagram that the utility model embodiment provides；
Fig. 3 is the buttress structure schematic side view that the utility model embodiment provides；
Fig. 4 is the foundation pit supporting construction schematic perspective view that the utility model embodiment provides；
In figure：1- foundation ditches；2- diaphragm walls；3- Guan Liangs；4- buttresses；5- side walls；Wall after 6-；7- cover plates.
Embodiment
Preferred embodiment of the present utility model is illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein excellent
Select embodiment to be merely to illustrate and explain the utility model, be not used to limit the utility model.
As shown in Figure 1 to 4, a kind of buttress type diaphragm wall foundation pit supporting construction described in the utility model includes diaphragm wall
2nd, Guan Liang 3 and buttress 4, buttress 4 also include side wall 5, rear wall 6 and cover plate 7.In the present embodiment, diaphragm wall 2, the and of side wall 5 are implemented
Wall 6 is the perfusion wall made using armored concrete afterwards.
In the present embodiment, diaphragm wall 2 is arranged on the outside for the foundation ditch 1 not excavated, and Guan Liang 3 is additionally provided with diaphragm wall 2,
Guan Liang 3 is used to the diaphragm wall 2 on the outward flange of foundation ditch 1 be connected, and effectively increases the integral rigidity of diaphragm wall 2, also avoids
Part diaphragm wall 2, which is pressurized to tilt, even topples over.
In the outside of foundation ditch 1, be also arranged at intervals with some buttresses 4, the buttress 4 also with the company on the outward flange of foundation ditch 1
Continuous wall 2 connects；Buttress 4 includes side wall 5, rear wall 6 and cover plate 7, and the two sides side wall 5 in buttress 4 is connected with diaphragm wall 2, and rear wall 6 is set
Put the other end in two sides side wall 5, two sides side wall 5 and rear wall 6 and surround a framework with diaphragm wall 5, this framework is shaped as
Rectangle is generally rectangular shaped.During using this structure, because buttress 4 is provided in outside foundation ditch, when in foundation ditch 1 excavation area compared with
Also can normal use when big so that have wider use range using diaphragm wall foundation pit supporting construction of the buttress 4 as anchor point；
Simultaneously as buttress 4 is provided in outside foundation ditch 1, also the excavation operation in foundation ditch 1 and construction will not be caused to hinder, effectively
Improve the operating efficiency of excavation of foundation pit；, can't be as using anchor cable as anchor although buttress 4 is provided in outside foundation ditch 1
During solid point, it is necessary to by the oblique soil body squeezed on the outside of foundation ditch 1 of anchor cable, and construction of structures is impacted, have construction outside foundation ditch 1
, also can be just frequently with diaphragm wall foundation pit supporting construction of the buttress 4 as anchor point when building thing；And foundation ditch is used as using buttress 4
The anchor point of supporting construction, the characteristics of bending rigidity of buttress 4 is big is also taken full advantage of, effectively reduce the lateral of foundation pit supporting construction
Displacement, it ensure that the normal construction operation in foundation ditch 1.
When making supporting construction, diaphragm wall 2, side wall 5 and rear wall 6 need to be stretched into cover plate 7；Diaphragm wall 2, the and of side wall 5
Wall 6 is additionally provided with cage bar, it is necessary to which the cage bar in diaphragm wall 2, side wall 5 and rear wall 6 is anchored into the cover plate 7 afterwards, reuses coagulation
Soil is fixed.In the present embodiment, diaphragm wall 2, side wall 5 and rear wall 6 stretch into the thickness of cover plate 7 and are not less than 100mm, and cage bar anchors into
Diameter of the length of the cover plate 7 not less than 40 times of cage bars.Diaphragm wall 2, side wall 5 and rear wall 6 are enabled using such structure
It is connected, the structure of common new city buttress 4, is effectively utilized the characteristics of bending rigidity of buttress 4 is big, reduces foundation pit supporting construction
Lateral deformation, ensure that the normal construction operation in foundation ditch 1.
In the present embodiment, diaphragm wall 2, side wall 5 are consistent with the wall thickness of rear wall 6, and the depth of diaphragm wall 2 is the depth of side wall 5
One times of the depth of degree and rear wall 6.Using the less side wall 5 of depth and rear wall 6, the larger entirety of the channel of buttress 4 can ensured
While rigidity, effectively save cost, shorten man-hour of operation.
The distance of diaphragm wall 2 and rear wall 6 is preferably the wall thickness of 4-6 times of diaphragm wall 2, in the present embodiment, optimal distance
For the wall thickness of 5 times of diaphragm walls 2, diaphragm wall 2 is spaced suitable distance with rear wall 6 so that and buttress 4 obtains larger integral rigidity,
Effectively reduce the lateral deformation of foundation pit supporting construction.
The distance for the two sides side wall 5 being located in same buttress 4 is the wall thickness of 4-6 times of diaphragm wall 2, in the present embodiment, most
Good distance is the wall thickness of 5 times of diaphragm walls 2, and two sides side wall 5 is spaced suitable distance so that buttress 4 has obtained larger entirety just
Degree, effectively reduces the lateral deformation of foundation pit supporting construction.
The thickness of cover plate 7 is preferably the wall thickness of 0.8-1 times of diaphragm wall 2, and in the present embodiment, optimum thickness is 0..9 times and connected
The wall thickness of continuous wall 2, using the cover plate 7 of suitable thickness, while how ensuring that buttress 4 obtains larger integral rigidity, moreover it is possible to save
Material, effectively reduce the construction cost of the supporting construction.
The distance of two neighboring buttress 4 is preferably 10-20m, and in the present embodiment, optimum distance 15m, interval is suitably
Distance sets buttress 4, can be while foundation pit supporting construction lateral deformation is effectively reduced, moreover it is possible to save material, effectively reduce
The construction cost of the supporting construction.
A kind of construction procedure of buttress type diaphragm wall foundation pit supporting construction described in the utility model：
1st, first in the outside grooving of foundation ditch 1 do not excavated, the steel reinforcement cage of diaphragm wall 2, concrete perfusion are put into；
2nd, the corresponding position grooving outside foundation ditch, the steel reinforcement cage of side wall 5 and rear wall 6, concrete perfusion are put into；
3rd, the concrete at the top of diaphragm wall 2 is cut, exposes the cage bar of diaphragm wall 2, the reinforcing bar in colligation Guan Liang 3；
4th, the concrete of side wall 5 and rear wall 6 is cut, exposes the cage bar of side wall 5 and rear wall 6, the reinforcing bar in colligation cover plate 7,
Pour Guan Liang 3 and the concrete of cover plate 7.
A kind of other structures of buttress type diaphragm wall foundation pit supporting construction described in the present embodiment are referring to prior art, herein not
Repeat again.
It is described above, only it is preferred embodiment of the present utility model, not the utility model is made any formal
Limitation, it is therefore every without departing from the content of the technical scheme of the utility model, implement according to the technical essence of the utility model to more than
Example any modification, equivalent variations and the modification made, in the range of still falling within technical solutions of the utility model.
Claims (10)
- A kind of 1. buttress type diaphragm wall foundation pit supporting construction, it is characterised in that：Including diaphragm wall, Guan Liang and some buttresses；The diaphragm wall is arranged on the outside of foundation ditch, and the Guan Liang is arranged on the continuous coping, and the buttress interval is set In side of the diaphragm wall away from foundation ditch；The buttress by the side wall, the rear wall and the diaphragm wall including wall after two sides side wall, one side and for being linked to be one The cover plate of body；Side wall described in two sides is connected with the diaphragm wall, and the rear wall is connected between the end of side wall described in two sides, The cover plate is located at the side wall, the rear wall and the continuous coping.
- A kind of 2. buttress type diaphragm wall foundation pit supporting construction according to claim 1, it is characterised in that：Any buttress Side wall described in two sides and the rear wall enclose to form rectangle or generally rectangular shaped framework between the diaphragm wall.
- A kind of 3. buttress type diaphragm wall foundation pit supporting construction according to claim 1, it is characterised in that：The diaphragm wall, institute It is perfusion wall to state side wall and the rear wall.
- A kind of 4. buttress type diaphragm wall foundation pit supporting construction according to claim 1, it is characterised in that：The diaphragm wall, institute State side wall and the rear wall is stretched into the cover plate, the depth for stretching into the cover plate is more than 100mm.
- A kind of 5. buttress type diaphragm wall foundation pit supporting construction according to claim 3, it is characterised in that：The diaphragm wall, institute State side wall and it is described after be equipped with cage bar within the walls, main ribs are anchored into the cover plate, anchor into the cover plate depth be more than 40 The diameter of times main ribs.
- A kind of 6. buttress type diaphragm wall foundation pit supporting construction according to claim 1, it is characterised in that：The diaphragm wall and institute The distance for stating rear wall is the wall thickness of the 4-6 times of diaphragm wall.
- A kind of 7. buttress type diaphragm wall foundation pit supporting construction according to claim 1, it is characterised in that：The two sides of the buttress The distance between described side wall is the wall thickness of the 4-6 times of diaphragm wall.
- A kind of 8. buttress type diaphragm wall foundation pit supporting construction according to claim 1, it is characterised in that：The thickness of the cover plate is The wall thickness of the 0.8-1 times of diaphragm wall.
- A kind of 9. buttress type diaphragm wall foundation pit supporting construction according to claim 1-7 any claims, it is characterised in that： The diaphragm wall, the side wall with it is described after wall wall thickness it is consistent, the depth of the diaphragm wall is the side wall depth and described One times of wall depth afterwards.
- A kind of 10. buttress type diaphragm wall foundation pit supporting construction according to claim 1, it is characterised in that：It is two neighboring described The distance of buttress is 10-20m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720456786.7U CN207176697U (en) | 2017-04-27 | 2017-04-27 | A kind of buttress type diaphragm wall foundation pit supporting construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720456786.7U CN207176697U (en) | 2017-04-27 | 2017-04-27 | A kind of buttress type diaphragm wall foundation pit supporting construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207176697U true CN207176697U (en) | 2018-04-03 |
Family
ID=61733760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720456786.7U Active CN207176697U (en) | 2017-04-27 | 2017-04-27 | A kind of buttress type diaphragm wall foundation pit supporting construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207176697U (en) |
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2017
- 2017-04-27 CN CN201720456786.7U patent/CN207176697U/en active Active
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 510010 No. 204 Huanshi West Road, Guangzhou City, Guangdong Province Patentee after: Guangzhou Metro Design and Research Institute Co., Ltd. Address before: 510010 No. 204 Huanshi West Road, Guangzhou City, Guangdong Province Patentee before: Guangzhou Metro Design & Research Institute Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder |