CN207405632U - The cantilever supporting structure of anchor after a kind of band - Google Patents
The cantilever supporting structure of anchor after a kind of band Download PDFInfo
- Publication number
- CN207405632U CN207405632U CN201721362031.7U CN201721362031U CN207405632U CN 207405632 U CN207405632 U CN 207405632U CN 201721362031 U CN201721362031 U CN 201721362031U CN 207405632 U CN207405632 U CN 207405632U
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- China
- Prior art keywords
- anchor
- pile
- stake
- earth
- support pile
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Abstract
The utility model discloses a kind of cantilever supporting structures of anchor after band, earth-retaining unit and several rear anchors including several evenly arranged support piles, several domed settings, supporting stake top is provided with Guan Liang, support pile is linked into an integrated entity by Guan Liang, earth-retaining unit is laid between two adjacent support piles, anchor is laid in the rear of support pile and earth-retaining unit afterwards, post-tensioning stake top is provided with straining beam, anchor connects into an entirety by straining beam and Guan Liang, support pile and earth-retaining unit afterwards, and the radical of rear anchor is not more than the radical of support pile.Supporting construction described in the utility model can effectively reduce the quantity of support pile, protection and the sealing of inter-pile soil can be effectively solved the problems, such as again, more traditional cantilever soldier piles, the foundation pit or slope excavating depth that the supporting construction is applicable in are deeper, more preferable to the control of Horizontal Displacement, space is relatively small, cost is relatively inexpensive, process is simple, construction is quick, strong applicability.
Description
Technical field
The utility model is related to foundation pit or slope excavating supporting construction, the overhang mill knot of anchor specifically after a kind of band
Structure.
Background technology
In foundation pit or slope excavating support engineering work progress, cantilever soldier piles, double-row pile, stake-anchor, stake-support supporting knot
Structure is current widely used vertical cut support system.Wherein cantilever soldier pile retaining structure applies in general to cutting depth
Smaller foundation pit or slope project, because its stake top is without constraint, Horizontal Displacement is bigger than normal after excavation；To meet stability against overturning
It is required that the build-in segment length that its underpart is buried according to related specifications is not less than 0.8 times of excavation of foundation pit depth, that buries is embedding
Gu segment length is larger.Retaining Structure with Double-row Piles lays the closeer campshed of two rows of distributions along foundation pit or side slope periphery, and campshed stake top is set
Big rigidity coupling beam two-way in length and breadth is equipped with, the stake of front and rear campshed is long general identical, compared with cantilever soldier pile retaining structure, double-row pile
Supporting construction has many advantages, such as that rigidity is big, horizontal displacement is small；But its cost is relatively high, is generally used for no anchor cable (bar) or interior
Under the execution conditions of support.Stake-anchor supporting construction is that one or multi-channel prestress anchorage cable is vertically set on the pile body of campshed
(bar), anchor cable (bar) are generally connected with stake using waist rail, this-anchor supporting construction disclosure satisfy that the larger foundation pit of cutting depth or
The requirement of slope excavating engineering, and have many advantages, such as that rigidity is relatively large, horizontal displacement is relatively small；But one fixed width after stake
In the range of underground barrier-free is required to hinder object, in order to avoid influencing the setting of anchor cable (bar), anchor cable (bar) be easy to cause the disturbance of the periphery soil body
And then threaten to the safety of surrounding enviroment, and anchor cable need to be arranged in the preferable stratum of property to provide required drawing
Power.Stake-support supporting construction is that one or multi-channel inner support is vertically set on the pile body of campshed, is passed using waist rail therebetween
Power transition has many advantages, such as that applicable excavation of foundation pit depth is larger, rigidity is big, horizontal displacement is small；But the structure can not be applied to
Among slope support engineering, and there are the shortcomings of cost is higher, inner support influences construction in hole.
Supporting construction described above provides that the stake spacing between two adjacent support piles should not be too according to related specifications
Greatly, specially no more than twice of stake footpath, therefore required support pile quantity is relatively more；It is objective because of support pile Soil arch between piles effect
In the presence of, in the relatively good the Northwest of soil property, the stake spacing between two neighboring support pile can break through the regulation in twice footpath,
Frequently with the stake spacing in three to four-fold stake footpath in work progress, but during using compared with timber pile spacing, when underground water buried depth is shallower and stake
Between soil be sand, cobble or during Weathered Sand rock stratum, the protection of inter-pile soil and sealing problem become prominent problem.
Utility model content
The utility model provides a kind of cantilever supporting structure of anchor after band, can solve the above problems.
The cantilever supporting structure of anchor after a kind of band, including several evenly arranged support piles, several are domed
The earth-retaining unit of setting and several rear anchors, the stake top of the support pile are provided with Guan Liang, and the support pile passes through described
Guan Liang links into an integrated entity, and the earth-retaining unit is laid between two adjacent support piles, and the rear anchor is laid in institute
The rear of support pile and the earth-retaining unit is stated, the post-tensioning stake top is provided with straining beam, and the rear anchor passes through the straining beam
An entirety is connected into the Guan Liang, the support pile and the earth-retaining unit, the radical of the rear anchor is not more than institute
State the radical of support pile.When the radical of anchor after described is equal to the radical of the support pile, the support pile and the post-tensioning
Stake is front and rear to correspond arrangement；When the radical of anchor after described is less than the radical of the support pile, the rear anchor can wait
The distance between the rear for being laid in the support pile of spacing, the two neighboring rear anchor is the two neighboring support pile
The distance between more than twice；At this point, anchor can not also be laid in the rear of the support pile at equal intervals after described, i.e.,
It is two neighboring it is described after spacing between anchor it is different, can be one times or more than twice adjacent two support pile it
Between distance.
Preferably, the earth-retaining unit includes the soil blocking pile of several domed arrangements, and the earth-retaining unit inside is arbitrary
It is connected between two adjacent soil blocking piles；Two soil blocking piles of the earth-retaining unit outermost end respectively with it is adjacent
Two support piles be connected, and rise earth-retaining and sealing effect.
Preferably, the distance between two neighboring described support pile is the stake electrical path length of the support pile of three to four-fold.
Preferably, the stake top of the soil blocking pile is flushed with the stake top of the support pile, the stake of the soil blocking pile fail to grow up in
The stake of the support pile is long, and the stake of the soil blocking pile is long not less than foundation pit or slope excavating depth；The stake footpath of the soil blocking pile
No more than the stake footpath of the support pile；The support pile coagulates native bored concrete pile using reinforced concrete, and the soil blocking pile is using plain coagulation
Native bored concrete pile.
Preferably, anchor is arranged on the dead astern of the support pile after described, it is described after anchor with it is described immediately ahead of it
Foundation pit or the slope excavating depth that spacing between support pile is 0.6-1.0 times, the stake of the rear anchor are failed to grow up in the branch
The stake of fender pile is long, and the stake footpath of the rear anchor is not more than the stake footpath of the support pile, and the rear anchor is filled using armored concrete
Note stake.
Preferably, which can also be applied to slope support engineering, and during applied to the slope support engineering, this is tied
Structure integrally pushes certain altitude, and cast-in-situ steel reinforced concrete breast boards is provided with above the Guan Liang, and the breast boards is used for
Earth-retaining.
Preferably, the Guan Liang is formed using armored concrete branch module and cast-in-situ.
Preferably, the straining beam is reinforced beam, and formwork pours the straining beam simultaneously with the Guan Liang.
Preferably, the support pile such as buys in the stratum soil property of section and foundation pit or slope excavating supporting according to execution conditions
The depth of the definite embedment hole bottom ground line such as depth.
Preferably, when the earth-retaining unit is only used for earth-retaining, the soil blocking pile embedment hole bottom ground line or bottom of slope ground line
Following depth is not less than 0.5m, when the earth-retaining unit is used for earth-retaining and water blocking, the soil blocking pile embedment hole bottom ground line
The depth that following depth is generally embedded to below the bottom ground line of hole with the support pile is identical, the soil blocking pile embedment bottom of slope ground
Depth below line is generally identical with the depth below support pile embedment bottom of slope ground line.
Preferably, the rear anchor, which is nuzzled, cheats the depth below the ground line of top as 0.5-1.0 times of Support of Foundation Pit Excavation depth
Degree, it is described after the depth nuzzled below top of the slope ground line of anchor be 0.5-1.0 times slope excavating supporting depth.
Supporting construction described in the utility model carries out inter-pile soil protection using the earth-retaining unit, and the earth-retaining unit is in arch
Shape, the soil blocking pile that the inside two of the earth-retaining unit is adjacent are connected, and the earth-retaining unit can make full use of institute
The Soil arch between piles effect of support pile is stated, transfers the self-stable ability of the soil body itself, so as to effectively reduce the quantity of the support pile, again
It can effectively solve the problems, such as protection and the sealing of inter-pile soil；Anchor forms constraint to the stake top of the support pile after described, with tradition
Cantilever soldier piles compare, the foundation pit or slope excavating depth which is applicable in are deeper, to the control of Horizontal Displacement more
It is good；Space needed for the structure is relatively small, cost is relatively inexpensive, process is simple, construction is quick, strong applicability；The structure
There is preferable economic benefit and practical valency in the foundation pit of the relatively good the Northwest of soil property or slope excavating support engineering
Value.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the cantilever supporting structure side view structure signal of anchor after a kind of band that the utility model embodiment provides
Figure；
Fig. 2 is the cantilever supporting structure facing structure signal of anchor after a kind of band that the utility model embodiment provides
Figure；
Fig. 3 is the cantilever supporting structure plan structure of anchor after a kind of band provided that the utility model embodiment provides
Schematic diagram；
Fig. 4 be the utility model embodiment provide be applied to slope support engineering when side structure schematic view.
Reference sign：
1- support piles, 2- soil blocking piles, anchor after 3-, 4- Guan Liangs, 5- straining beams, 6- holes bottom ground line, 7- holes top ground line, 8-
Breast boards, 9- bottom of slope ground lines, 10- top of the slope ground lines, 11- earth-retaining units.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
As shown in Figure 1 to Figure 3, after a kind of band anchor cantilever supporting structure, including several evenly arranged supportings
Stake 1, the earth-retaining unit 11 and several rear anchors 3 of several domed settings, the support pile 1 are uniformly arranged, the branch
The stake top of fender pile 1 is provided with Guan Liang 4, and the support pile 1 is linked into an integrated entity by the Guan Liang 4, and the earth-retaining unit 11 is laid
Between two adjacent support piles 1, the rear anchor 3 is laid in the rear of the support pile 1 and earth-retaining unit 11, institute
State rear 3 stake top of anchor and be provided with straining beam 5, it is described after anchor 3 by the straining beam 5 and the Guan Liang 4, the support pile 1 and
The earth-retaining unit 11 connects into an entirety, and the radical of the rear anchor 3 is not more than the radical of the support pile 1.When described
When the radical of anchor 3 is equal to the radical of the support pile 1 afterwards, the support pile 1 and the front and rear row of one-to-one corresponding of rear anchor 3
Cloth；When the radical of anchor 3 after described is less than the radical of the support pile 1, the rear anchor 3 can be laid in institute at equal intervals
It is the distance between two neighboring described support pile 1 to state the distance between the rear of support pile 1, the two neighboring rear anchor 3
More than twice；At this point, anchor 3 can not also be laid in the rear of the support pile 1 at equal intervals after described, i.e., it is two neighboring
Spacing after described between anchor 3 is different, can be between one times or more than twice of adjacent two support pile 1 away from
From.
Preferably, the earth-retaining unit 11 includes the soil blocking pile 2 of several domed arrangements, inside the earth-retaining unit 11
It is connected between the adjacent soil blocking pile 2 of any two；Two soil blocking piles of 11 outermost end of earth-retaining unit point
It is not connected with two adjacent support piles, and plays earth-retaining and sealing effect.
Preferably, the distance between two neighboring described support pile 1 is the stake path length of the support pile 1 of three to four-fold
Degree.
Preferably, the stake top of the soil blocking pile 2 is flushed with the stake top of the support pile 1, and the stake of the soil blocking pile 2 is failed to grow up
It is long in the stake of the support pile 1, and the stake of the soil blocking pile 2 is long not less than foundation pit or slope excavating depth；The soil blocking pile 2
Stake footpath is not more than the stake footpath of the support pile 1；The support pile 1 coagulates native bored concrete pile using reinforced concrete, and the soil blocking pile 2 uses
Plain concrete bored concrete pile.
Preferably, the rear anchor 3 is arranged on the dead astern of the support pile 1, the rear anchor 3 and the institute immediately ahead of it
Foundation pit or slope excavating depth that the spacing between support pile 1 is 0.6-1.0 times are stated, the stake of the rear anchor 3 is failed to grow up in institute
State that the stake of support pile 1 is long, it is described after the stake footpath of anchor 3 be not more than the stake footpath of the support pile 1, it is described after anchor 3 use reinforcing bar
Cast-in-place concrete pile.
Preferably, as shown in figure 4, the structure can also be applied to slope support engineering, applied to the slope retaining work
The structure is integrally pushed certain altitude, and cast-in-situ steel reinforced concrete breast boards 8, institute is provided with above the Guan Liang 4 by Cheng Shi
Breast boards 8 is stated for earth-retaining.
Preferably, the Guan Liang 4 is formed using armored concrete branch module and cast-in-situ.
Preferably, the straining beam 5 is reinforced beam, and formwork pours the straining beam 5 simultaneously with the Guan Liang 4.
In use, when the cantilever supporting structure of anchor is applied to Support of Foundation Pit Excavation engineering after a kind of band, the dress
Top set portion is flushed with hole top ground line 7, and the support pile 1 such as buys in the stratum soil property and excavation of foundation pit of section according to execution conditions
The depth of the definite embedment hole bottom ground line 6 such as supporting depth, when the earth-retaining unit 11 is only used for earth-retaining, the soil blocking pile 2 buries
Enter depth of the hole bottom ground line below 6 not less than 0.5m, when the earth-retaining unit 11 is used for earth-retaining and water blocking, the earth-retaining
Depth of 2 embedment of the stake hole bottom ground line below 6 is generally embedded to depth of the hole bottom ground line below 6 with the support pile 1
Spend it is identical, it is described after anchor 3 be embedded to the Support of Foundation Pit Excavation depth that the depth of the hole top ground line below 7 is 0.5-1.0 times.
When the cantilever supporting structure of anchor is applied to slope excavating support engineering after a kind of band, set above the Guan Liang 4
There is the breast boards 8 of a cast-in-situ steel reinforced concrete, which is integrally pushed into certain altitude, for the breast boards of earth-retaining
8 top is flushed with top of the slope ground line 10, and the support pile 1 such as buys in the stratum soil property of section according to execution conditions and side slope is opened
Dig the depth of the definite embedment bottom of slope ground line 9 such as supporting depth, when the earth-retaining unit 11 is only used for earth-retaining, the soil blocking pile 2
Depth of the bottom of slope ground line below 9 is embedded to not less than 0.5m, when the earth-retaining unit 11 is used for earth-retaining and water blocking, the gear
Native stake 2 is embedded to depth of the bottom of slope ground line below 9 and the bottom of slope ground line is generally embedded to the support pile 1 below 9
Depth is identical, and it is deep that the rear anchor 3 is embedded to the slope excavating supporting that depth of the top of the slope ground line below 10 is 0.5-1.0 times
Degree.
Supporting construction described in the utility model carries out inter-pile soil protection, the earth-retaining unit 11 using the earth-retaining unit 11
Domed, the soil blocking pile 2 that the inside two of the earth-retaining unit 11 is adjacent is connected, and the earth-retaining unit 11 can fill
Divide the Soil arch between piles effect using the support pile 1, transfer the self-stable ability of the soil body itself, so as to effectively reduce the support pile
1 quantity, and can effectively solve the problems, such as protection and the sealing of inter-pile soil；Anchor 3 forms the stake top of the support pile 1 after described
Constraint, compared with traditional cantilever soldier piles, the foundation pit or slope excavating depth which is applicable in are deeper, to stake top horizontal position
The control of shifting is more preferable；Space needed for the structure is relatively small, cost is relatively inexpensive, process is simple, construction is quick, applicability
By force；The structure has preferable economic benefit in the foundation pit of the relatively good the Northwest of soil property or slope excavating support engineering
And practical value.
Obviously, those skilled in the art can carry out the utility model various modification and variations without departing from this practicality
New spirit and scope.If in this way, these modifications and variations of the utility model belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to comprising including these modification and variations.
Claims (6)
1. a kind of cantilever supporting structure of anchor after band, which is characterized in that including several evenly arranged support piles (1),
The earth-retaining unit (11) of several domed settings and several rear anchors (3), the stake top of the support pile (1) are provided with hat
Beam (4), the support pile (1) are linked into an integrated entity by the Guan Liang (4), and the earth-retaining unit (11) is laid in adjacent two
Between the support pile (1), the rear anchor (3) is laid in the rear of the support pile (1) and the earth-retaining unit (11), institute
It states rear anchor (3) stake top and is provided with straining beam (5), the rear anchor (3) passes through the straining beam (5) and the Guan Liang (4), the branch
Fender pile (1) and the earth-retaining unit (11) connect into an entirety, and the radical of the rear anchor (3) is not more than the support pile
(1) radical.
2. the cantilever supporting structure of anchor after a kind of band as described in claim 1, which is characterized in that the earth-retaining unit
(11) soil blocking pile (2) of several domed arrangements, the adjacent gear of the internal any two of the earth-retaining unit (11) are included
It is connected between native stake (2)；Two soil blocking piles of earth-retaining unit (11) outermost end respectively with two adjacent institutes
Support pile is stated to be connected.
3. the cantilever supporting structure of anchor after a kind of band as described in claim 1, which is characterized in that the two neighboring branch
The distance between fender pile (1) is the stake electrical path length of the support pile (1) of three to four-fold.
4. the cantilever supporting structure of anchor after a kind of band as described in claim 1, which is characterized in that the soil blocking pile (2)
Stake top flushed with the stake top of the support pile (1), the stake that the stake of the soil blocking pile (2) is failed to grow up in the support pile (1) is long,
And the stake of the soil blocking pile (2) is long not less than foundation pit or slope excavating depth；The stake footpath of the soil blocking pile (2) is not more than the branch
The stake footpath of fender pile (1).
5. the cantilever supporting structure of anchor after a kind of band as described in claim 1, which is characterized in that anchor (3) after described
It is arranged on the dead astern of the support pile (1), the spacing between the anchor (3) afterwards and the support pile (1) immediately ahead of it
For 0.6-1.0 times of foundation pit or slope excavating depth, it is described after anchor (3) the stake failed to grow up in the support pile (1) of stake it is long,
The stake footpath of anchor (3) is not more than the stake footpath of the support pile (1) after described.
6. the cantilever supporting structure of anchor after a kind of band as described in claim 1, which is characterized in that further include breast boards
(8), the breast boards (8) is mounted in the Guan Liang (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721362031.7U CN207405632U (en) | 2017-10-20 | 2017-10-20 | The cantilever supporting structure of anchor after a kind of band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721362031.7U CN207405632U (en) | 2017-10-20 | 2017-10-20 | The cantilever supporting structure of anchor after a kind of band |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207405632U true CN207405632U (en) | 2018-05-25 |
Family
ID=62320743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721362031.7U Expired - Fee Related CN207405632U (en) | 2017-10-20 | 2017-10-20 | The cantilever supporting structure of anchor after a kind of band |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207405632U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109723063A (en) * | 2018-12-21 | 2019-05-07 | 中冶集团武汉勘察研究院有限公司 | A kind of boundling stake pile supporting construction and its calculation method for pattern foundation pit supporting structure |
| CN110700292A (en) * | 2019-11-08 | 2020-01-17 | 中国建筑第四工程局有限公司 | Double friction pile supporting construction of style of calligraphy |
-
2017
- 2017-10-20 CN CN201721362031.7U patent/CN207405632U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109723063A (en) * | 2018-12-21 | 2019-05-07 | 中冶集团武汉勘察研究院有限公司 | A kind of boundling stake pile supporting construction and its calculation method for pattern foundation pit supporting structure |
| CN109723063B (en) * | 2018-12-21 | 2023-10-27 | 中冶集团武汉勘察研究院有限公司 | Bundling pile stack supporting structure for foundation pit supporting and calculating method thereof |
| CN110700292A (en) * | 2019-11-08 | 2020-01-17 | 中国建筑第四工程局有限公司 | Double friction pile supporting construction of style of calligraphy |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Long Zhao Inventor after: Shen Qiuwu Inventor after: Wang Shenli Inventor after: Zhang Yong Inventor after: Wei Yongxiao Inventor after: Li Xiaowei Inventor after: Xue Yanqi Inventor after: Kong Weigang Inventor before: Long Zhao Inventor before: Kong Weigang Inventor before: Cao Chengming Inventor before: Wang Shenli Inventor before: Zhang Yong Inventor before: Wei Yongxiao Inventor before: Guo Bin Inventor before: Zhou Changlong Inventor before: Li Xiaowei Inventor before: Xue Yanqi |
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| CB03 | Change of inventor or designer information | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180525 Termination date: 20181020 |
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| CF01 | Termination of patent right due to non-payment of annual fee |