CN109826206A - The outer supporting construction of foundation pit - Google Patents
The outer supporting construction of foundation pit Download PDFInfo
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- CN109826206A CN109826206A CN201910254155.0A CN201910254155A CN109826206A CN 109826206 A CN109826206 A CN 109826206A CN 201910254155 A CN201910254155 A CN 201910254155A CN 109826206 A CN109826206 A CN 109826206A
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- anchor
- foundation pit
- barricade
- supporting construction
- outer supporting
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Abstract
The outer supporting construction of a kind of foundation pit of the invention, comprising: barricade, the gear coping are equipped with to the extended structure towards extension on the outside of foundation pit；It further include anchor, upper end is fixed on the extended structure, and lower end is inserted into the soil body, wherein the angle of the anchor and horizontal plane is 60-90 degree.The anchor angle with horizontal plane of the invention is the mode that 60-90 degree plugs the anchor, the reaction force for resisting the movement can be just provided, to prevent the movement of extended structure, and then effectively the soil body is prevented to be squeezed and deformed barricade, finally play preferable stabilization and anchoring effect.In addition, it is to be inserted into the soil body in the case where 60-90 degree since anchor is with the angle of horizontal plane, it is lower to the space requirement for laterally allowing to install anchor, even if still can preferably be anchored between numerous buildings, do not influenced by the more narrow working space of surrounding.
Description
Technical field
The present invention relates to a kind of foundation pit supporting construction, in particular to the outer supporting construction of a kind of foundation pit.
Background technique
In the prior art, carrying out supporting to foundation pit is usually the barricade that annular is formed in foundation pit walls, and passes through anchor pole
From the soil body on the outside of slotting or oblique cutting to foundation pit horizontal on the inside of the foundation pit of barricade, anchor structure is formed.Although this supporting construction can
To play anchorage effect, but if to form preferable anchoring effect, anchor pole needs are extend into the soil body longlyer, otherwise
Anchoring effect is bad, so, then has more roomy soil body area on the outside of foundation pit, is not otherwise available longer anchor
Bar.However, usually carried out in the region close to one or several towering buildings for building the soil body in city, it is tall and big
Building would generally have deeper ground or underground space structure, once use anchoring support side in the prior art
Formula, in order to obtain preferable anchoring effect, by the horizontal slotting or angle with horizontal plane of anchor pole, oblique cutting is arranged smaller, then probably
The underground space structure of closer building by surrounding is limited, and can not be implemented.
Summary of the invention
Technical problem to be solved by the present invention lies in propose that one kind can play more in the lesser environment of construction space
The outer supporting construction of the foundation pit of good anchoring effect.
For this purpose, a kind of outer supporting construction of foundation pit of the invention, comprising: barricade, the gear coping is equipped with to towards foundation pit
The extended structure that outside extends；It further include anchor, upper end is fixed on the extended structure, and lower end is inserted into the soil body,
In, the angle of the anchor and horizontal plane is 60-90 degree.
The outer supporting construction of above-mentioned foundation pit, wherein the angle of the anchor and horizontal plane is 90 degree, and the lower end
It is deeper than the bottom of the foundation pit.
The outer supporting construction of above-mentioned foundation pit, wherein the angle of the anchor and horizontal plane is 90 degree, and the lower end is deep
In the bottom of the barricade.
The outer supporting construction of above-mentioned foundation pit, wherein the anchor prolongs to the extended distance of foundation pit side no more than described
Structure is stretched to the extended distance on the outside of foundation pit.
The outer supporting construction of above-mentioned foundation pit, wherein the angle of the anchor and horizontal plane is 60-85 degree.Above-mentioned
The outer supporting construction of foundation pit, wherein crown beam of bearing down on one is equipped at the top of the barricade；The extended structure is weighing apparatus frame, and passes through the pressure
Apical cap beam is connect with the barricade.
The outer supporting construction of above-mentioned foundation pit, wherein the anchor is anchor pole.
The outer supporting construction of above-mentioned foundation pit, wherein the barricade be soil cement interlocking pile barricade, concrete-pile barricade or
The one of which of sheet pile barricade.
The present invention has the following technical effect that compared with the existing technology
1. a kind of outer supporting construction of foundation pit of the invention, comprising: barricade, the gear coping are equipped with to towards foundation pit outside
The extended structure of extension；It further include anchor, upper end is fixed on the extended structure, and lower end is inserted into the soil body, wherein institute
The angle for stating anchor and horizontal plane is 60-90 degree.The above design, can make full use of extended structure and anchor to be formed
Cooperation applies to offset the soil body on the outside of foundation pit to barricade towards the pressure on the inside of foundation pit.This is because working as barricade and foundation pit knot
After being configured to, the soil body on the outside of foundation pit applies the position to connect for being located at bottom of foundation ditch using barricade as fulcrum to the barricade
Towards the pressure on the inside of foundation pit, and keeping off coping then should be the maximum position of pressure, and its movement tendency is with institute
Stating fulcrum is the center of circle, and the height of barricade is radius arc shape to the moved beneath on the inside of foundation pit, and the extended structure is then with circle
Arcuation moves upwards.At this point, angle with horizontal plane is that 60-90 degree plugs the mode of the anchor, can just provide to
Resist the reaction force of the movement, to prevent the movement of extended structure, and then effectively prevent the soil body barricade is squeezed and deformed or
Displacement finally plays the preferable effect stablized and anchor, improves the earth-retaining ability of barricade.In addition, since anchor is
Angle with horizontal plane is to be inserted into the soil body in the case where 60-90 degree, therefore, to laterally the space for installing anchor being allowed to want
Ask lower, even if still can preferably be anchored between numerous buildings, working space institute more narrowless by surrounding
It influences.
2. the outer supporting construction of foundation pit of the invention, wherein the angle of the anchor and horizontal plane is 90 degree, and described
Lower end is deeper than the bottom of the foundation pit.The above design, can make the lower end of anchor be fully located at the not soil by lateral pressure
In body, even if extended structure is shorter, also anchor can be made to play preferable anchoring effect.
3. the outer supporting construction of foundation pit of the invention, wherein the angle of the anchor and horizontal plane is 90 degree, and described
Lower end is deeper than the bottom of the barricade.The above design, can make the lower end of anchor be fully located at the not soil by lateral pressure
In body, even if extended structure is shorter, also anchor can be made to play preferable anchoring effect.
4. the outer supporting construction of foundation pit of the invention, wherein the anchor is not more than institute to the extended distance of foundation pit side
Extended structure is stated to the extended distance on the outside of foundation pit.The above design, may be implemented while guaranteeing needed for ground space, underground
Space for anchoring can meet simultaneously.
Detailed description of the invention
In order to make the content of the present invention more clearly understood, it below according to specific embodiments of the present invention and combines
Attached drawing, the present invention is described in further detail, in which:
Fig. 1 is the structural schematic diagram of one of embodiment of the outer supporting construction of foundation pit of the present invention；
Fig. 2 is the structural schematic diagram of the another embodiment of the outer supporting construction of foundation pit of the present invention；
Fig. 3 is the structural schematic diagram of the another embodiment of the outer supporting construction of foundation pit of the present invention；
Specific embodiment
The outer supporting construction of the foundation pit of the present embodiment, comprising: barricade 1, the gear coping
Equipped with to towards the extended structure 2 extended on the outside of foundation pit；It further include anchor 3, the extension knot is fixed in upper end
On structure 2, lower end is inserted into the soil body, wherein and the angle of the anchor and horizontal plane is 60-90 degree, as shown in Figure 1, its
In, the angle of the anchor and horizontal plane is more than or equal to 60, less than 90 degree.In addition, anchor just oblique insertion
In the soil body, the bottom of foundation ditch of neighboring buildings or less is penetrated into.As a kind of variable embodiment, the anchor and horizontal plane
Angle be 60-85 degree.
By using the above-mentioned design of the present embodiment, extended structure and anchor can be made full use of to form cooperation, come
The soil body on the outside of foundation pit is offset to apply towards the pressure on the inside of foundation pit barricade.This is because when barricade and foundation pit structure are formed
Afterwards, the soil body on the outside of foundation pit applies the position to connect for being located at bottom of foundation ditch using barricade to the barricade towards base as fulcrum
The pressure of inside is cheated, and keeping off coping then should be the maximum position of pressure, and its movement tendency is with the fulcrum
For the center of circle, the height of barricade is radius arc shape to the moved beneath on the inside of foundation pit, and the extended structure then with arc-shaped to
Upper movement.At this point, angle with horizontal plane is the mode that 60-90 degree plugs the anchor, it can just provide and resist the fortune
Dynamic reaction force to prevent the movement of extended structure, and then effectively prevents the soil body that barricade is squeezed to obtain deformation or displacement,
Preferable stabilization and anchoring effect are finally played, the earth-retaining ability of barricade is improved.In addition, since anchor is and horizontal plane
Angle is to be inserted into the soil body in the case where 60-90 degree, therefore, lower to the space requirement for laterally allowing to install anchor, i.e.,
Make still can preferably be anchored between numerous buildings, not influenced by the more narrow working space of surrounding.
As a preferred embodiment, as shown in Fig. 2, the angle of the anchor and horizontal plane is 90 degree, and
The lower end of the anchor is deeper than the bottom of the foundation pit, i.e. the lower end is inserted into the deeper soil body, and the position is with respect to base
Cheat bottom and it is deeper.So, the lower end of anchor can be made to be fully located at not by the soil body of lateral pressure, even if
Extended structure is shorter, also anchor can be made to play preferable anchoring effect.
As a preferred embodiment, the anchor is tied to the extended distance of foundation pit side no more than the extension
Structure is to the extended distance on the outside of foundation pit.It using such design, may be implemented while guaranteeing needed for ground space, underground is used
It can meet simultaneously in the space of anchoring.That is, extended structure, barricade and anchor are as a whole, it will be with extended structure
Extended distance as benchmark, top has determined wider space, and lower part can horizontally be limited, it is ensured that it is whole will not
Horizontally beyond default supporting range.
Crown beam of bearing down on one is equipped at the top of the embodiment of the present invention barricade as a preferred implementation manner,；The extended structure
For the frame that weighs, and it is connect by the crown beam of bearing down on one with the barricade.The anchor can be anchor pole.
The barricade can be the one of which of soil cement interlocking pile barricade, concrete-pile barricade or sheet pile barricade.
As shown in figure 3, alternatively embodiment, the lower end of the anchor are deeper than the bottom of the barricade,
I.e. the lower end is inserted into the deeper soil body, and the position is deeper with respect to bottom of foundation ditch.Under normal conditions, the bottom meeting of barricade
It is inserted into the soil body, or even in bottom of foundation ditch hereinafter, anchor is inserted under the bottom of the barricade, anchoring can be made to fill
The lower end set is fully located at not by the soil body of lateral pressure, even if extended structure is shorter, also anchor can be made to play preferably
Anchoring effect.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (8)
1. a kind of outer supporting construction of foundation pit, comprising:
Barricade, the gear coping are equipped with to the extended structure towards extension on the outside of foundation pit；
It is characterized in that, further including
Anchor, upper end are fixed on the extended structure, and lower end is inserted into the soil body, wherein the anchor and level
The angle in face is 60-90 degree.
2. the outer supporting construction of foundation pit according to claim 1, which is characterized in that the angle of the anchor and horizontal plane
It is 90 degree, and the lower end is deeper than the bottom of the foundation pit.
3. the outer supporting construction of foundation pit according to claim 1, which is characterized in that the angle of the anchor and horizontal plane
It is 90 degree, and the lower end is deeper than the bottom of the barricade.
4. the outer supporting construction of foundation pit according to claim 3, which is characterized in that extension of the anchor to foundation pit side
Distance is not more than the extended structure to the extended distance on the outside of foundation pit.
5. the outer supporting construction of foundation pit according to claim 2, which is characterized in that the angle of the anchor and horizontal plane
For 60-85 degree.
6. the outer supporting construction of foundation pit according to claim 4 or 5, which is characterized in that be equipped with the hat that bears down on one at the top of the barricade
Beam；The extended structure is weighing apparatus frame, and is connect by the crown beam of bearing down on one with the barricade.
7. the outer supporting construction of foundation pit according to claim 6, which is characterized in that the anchor is anchor pole.
8. the outer supporting construction of foundation pit according to claim 7, which is characterized in that the barricade is soil cement interlocking pile gear
The one of which of wall, concrete-pile barricade or sheet pile barricade.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811057666 | 2018-09-11 | ||
| CN2018110576665 | 2018-09-11 |
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| Publication Number | Publication Date |
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| CN109826206A true CN109826206A (en) | 2019-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910254155.0A Pending CN109826206A (en) | 2018-09-11 | 2019-03-30 | The outer supporting construction of foundation pit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431083A (en) * | 2021-06-10 | 2021-09-24 | 中南勘察设计院集团有限公司 | Light supporting structure of pile foundation joist and construction method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103469803A (en) * | 2013-09-30 | 2013-12-25 | 中国建筑股份有限公司 | Pile beam vertical anchor support system used for supporting foundation pit and construction method of pile beam vertical anchor support system |
| CN206337566U (en) * | 2016-12-19 | 2017-07-18 | 天津市天友建筑设计股份有限公司 | Foundation ditch vertical prestressing anchor pole supporting construction |
| CN208981335U (en) * | 2018-09-11 | 2019-06-14 | 江西基业科技有限公司 | A kind of outer supporting construction of foundation pit |
-
2019
- 2019-03-30 CN CN201910254155.0A patent/CN109826206A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103469803A (en) * | 2013-09-30 | 2013-12-25 | 中国建筑股份有限公司 | Pile beam vertical anchor support system used for supporting foundation pit and construction method of pile beam vertical anchor support system |
| CN206337566U (en) * | 2016-12-19 | 2017-07-18 | 天津市天友建筑设计股份有限公司 | Foundation ditch vertical prestressing anchor pole supporting construction |
| CN208981335U (en) * | 2018-09-11 | 2019-06-14 | 江西基业科技有限公司 | A kind of outer supporting construction of foundation pit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431083A (en) * | 2021-06-10 | 2021-09-24 | 中南勘察设计院集团有限公司 | Light supporting structure of pile foundation joist and construction method thereof |
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