CN108005103A - In-hole point-anchored slide-resistant pile retaining wall and forming method thereof - Google Patents
In-hole point-anchored slide-resistant pile retaining wall and forming method thereof Download PDFInfo
- Publication number
- CN108005103A CN108005103A CN201710783755.7A CN201710783755A CN108005103A CN 108005103 A CN108005103 A CN 108005103A CN 201710783755 A CN201710783755 A CN 201710783755A CN 108005103 A CN108005103 A CN 108005103A
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- friction pile
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- pile
- point
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 210000000481 breast Anatomy 0.000 claims description 26
- 238000009412 basement excavation Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000005315 distribution function Methods 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 11
- 239000002689 soil Substances 0.000 abstract description 6
- 229910001294 Reinforcing steel Inorganic materials 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 5
- 239000011435 rock Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000005094 computer simulation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- E02D29/02—Retaining or protecting walls
- E02D29/0225—Retaining or protecting walls comprising retention means in the backfill
- E02D29/0233—Retaining or protecting walls comprising retention means in the backfill the retention means being anchors
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The invention relates to the technical field of side slope retaining in civil engineering, and discloses an in-hole point-anchored slide-resistant pile retaining wall which is used for retaining a side slope capable of forming a collapse arch, and the structure of the retaining wall comprises: anti-slide piles, anchor cables, pile top beams and soil retaining plates; the anti-slide piles are arranged in parallel at a certain interval, the pile top beams are positioned at the tops of the anti-slide piles and connected with the anti-slide piles, the soil retaining plates are positioned between the anti-slide piles and connected with the anti-slide piles at two sides and used for providing resistance for horizontal collapse of the slope formed between the adjacent anti-slide piles, the anti-slide pile bottom is provided with an integrally formed extending part which is used for extending into the slope bottom by a preset length, anchor points are formed on each anti-slide pile at preset intervals and connected with at least one anchor cable, the area where the anchor points need horizontal resistance can be independently provided around the anti-slide pile is an anchor point section, and a non-anchor point section is arranged between the anchor point sections. The invention also discloses a method for forming the retaining wall of the in-hole point-anchored slide-resistant pile. The invention greatly reduces the structural size and the reinforcing steel bar of the slide-resistant pile, reduces the manufacturing cost and shortens the construction period.
Description
Technical field
The present invention relates to slope supporting technical field in civil engineering, in more particularly to a kind of hole put anchor anti-sliding piled barricade and
Its forming method.
Background technology
It is well known that friction pile+prestressed anchor Cable Structure is (referred to as：Piled anchor barricade) it is main supporting and retaining system knot in slope project
One of structure system.All the time, this structural system has become high, the big essential main means of slope supporting.Piled anchor is kept off
The advantage of wall is：Using anchor sequence of construction after first stake, it can be ensured that in slope excavating, barricade forming process, side slope and top-out
Stabilization；Very big supporting and retaining system drag is capable of providing, to adapt to the supporting and retaining system of high, big side slope；Technology maturation, stabilization, reliability are high.Just
It is that there are these, piled anchor barricade is used widely, almost a kind of at present to apply most technologies.
In traditional piled anchor barricade, external supporting structure of the friction pile as anchor cable, usually presses beam calculating.Due to anchor cable
Great drag can be provided, horizontal loading is very big on corresponding friction pile, produces the also very big of moment of flexure.Which forms
Friction pile section is big, the situation more than reinforcing bar, is the best part in piled anchor barricade cost.
In traditional landslide control, there is a kind of point anchor supporting and retaining system method, be exactly using anchor cable+outer anchor point method.It is this
The outer anchor of method is a point, and the friction pile cost than pressing beam calculating in piled anchor barricade is much lower.But on upright excavation side
In the engineering of slope, traditional point anchor supporting and retaining system method can not provide the vertical supporting of outer anchor point, when can not provide slope excavating
Stability.
The advantage of two kinds of structural system how is given full play to, avoids its shortcoming, it is reasonably combined, here it is this
The content of invention, to solve current piled anchor barricade technology urgent problem to be solved.
The content of the invention
The present invention proposes point anchor anti-sliding piled barricade and its forming method in a kind of hole, and solving in the prior art can not be at the same time
Meet that cost is low and stability problem when being capable of providing slope excavating.
Anchor anti-sliding piled barricade is put in a kind of hole of the present invention, the side slope of slump arch, its structure bag can be formed for stopping
Include：Friction pile, anchor cable, stake top beam and breast boards；Friction pile setting arranged in parallel at a certain distance, the stake top beam are located at
At the top of friction pile, some friction piles are connected, the breast boards is connected between friction pile, and with the friction pile of both sides, is used for
Ground provides drag in the horizontal slump arch formed for side slope between adjacent friction pile, and the friction pile bottom has a bodily form
Into be used for stretch into the extension of bottom of slope predetermined length, be spaced a predetermined distance to form what is be connected with anchor cable on the every friction pile
Anchor point, each anchor point connection at least anchor cable, can separately provide anchor cable around anchor point on the friction pile needs level
The region of drag for point an anchor section, put anchor section between be non-dots anchor section, the non-dots anchor section be used for be side slope consecutive points anchor section it
Between formed vertical slump arch in ground provide drag.
Wherein, the angle of the anchor cable and horizontal plane is 15 °~20 °.
Present invention also offers anchor anti-sliding piled barricade forming method is put in a kind of hole, for anchor friction pile will to be put in the hole
Dams setting can form the side slope of slump arch, comprise the following steps：
S1：The hole of some receiving friction piles is formed down in top of the slope plane；
S2：Friction pile is formed in hole, and is divided into the friction pile by the friction pile and the distribution function of resistance of side slope
It is alternately distributed an anchor section and non-dots anchor section；
S3：Implementing stake top beam will connect at the top of some friction piles；
S4：The cubic metre of earth and stone before excavation friction pile from top to bottom, when digging out row's point anchor section every time, implements anchor cable, in this digging
Breast boards is formed between the friction pile gone out, makes the friction pile of breast boards connection both sides, until completing all anchor cables and breast boards.
Wherein, after digging out row's point anchor section every time, the breast boards of formation is connected with the breast boards that the last time is formed.
The present invention considers the presence of vertical slump arch (the corresponding region of non-dots anchor section), and point anchor technology is introduced friction pile
Among, the girder construction for changing traditional friction pile is point structure.The advantages of this structure integrates piled anchor and puts anchor structure, protecting
Demonstrate,prove vertical retaining-wall construction time stable structure, it is safe while, significantly reduce friction pile structure size itself and reinforcing bar, reduction and make
Valency, shorten the construction period, therefore has great practical value.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be 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 attached drawings according to these attached drawings.
Fig. 1 is that anchor anti-sliding piled barricade planar structure schematic diagram is put in a kind of hole of the present invention；
Fig. 2 is that anchor anti-sliding piled barricade vertical section structure schematic diagram is put in a kind of hole of the present invention；
Fig. 3 is the Bending moment distribution comparison schematic diagram that anchor anti-sliding piled barricade and traditional piled anchor barricade are put in hole, wherein, (a) hole
Interior anchor anti-sliding piled barricade Bending moment distribution schematic diagram；(b) traditional piled anchor barricade Bending moment distribution schematic diagram.
In figure, 1, friction pile；2nd, anchor cable；3rd, stake top beam；4th, breast boards；5th, anchor section is put；6th, non-dots anchor section；7th, vertical slump
Arch；8th, horizontal slump arch；9th, anchor cable drag；10th, traditional friction pile；Q, the slope thrust in side slope is acted on.
Embodiment
Below in conjunction with the attached drawing 1 in the embodiment of the present invention, attached drawing 2 and attached drawing 3, to the technical side in the embodiment of the present invention
Case is clearly and completely described, it is clear that and described embodiment is only part of the embodiment of the present invention, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art institute without creative efforts
The every other embodiment obtained, belongs to the scope of protection of the invention.
Anchor anti-sliding piled barricade is put in the hole of the present embodiment as illustrated in fig. 1 and 2, and the side of slump arch can be formed suitable for stopping
Slope is (hereinafter referred to as：Side slope).Its structure includes：Friction pile 1, anchor cable 2, stake top beam 3 and breast boards 4.Friction pile 1 is at a certain distance
Setting arranged in parallel, stake top beam 3 are located at the top of friction pile 1, connect some friction piles 1, the breast boards 4 be located at friction pile 1 it
Between, and be connected with the friction pile 1 of both sides, the horizontal slump for being formed for side slope between adjacent friction pile 1 is encircleed ground in 8 and is carried
For drag, 1 bottom of friction pile has the integrally formed extension for being used to stretch into bottom of slope predetermined length, and extension length can basis
Actual conditions calculate, and the anchor point to be formed and be connected with anchor cable 2, each anchor point connection are spaced a predetermined distance on the every friction pile 1
An at least anchor cable 2, it is a point anchor section 5, point that can separately provide anchor cable 2 to need the domain in horizontal resist forces area around anchor point on friction pile 1
Anchor section 5 is used for the lateral thrust for stopping side slope, is non-dots anchor section 6 between point anchor section 5, the non-dots anchor section 5 is used to exist for side slope
The vertical slump 7 formed between consecutive points anchor section 5 encircles interior ground and provides drag.
When in side slope act on slope thrust q when, it is necessary to horizontal resist forces mainly by 5 part of point anchor section of friction pile 1 and anchor
Rope 2 provides.Due to an anchor section 5 and the supporting and retaining system of anchor cable 2, side slope can form horizontal slump arch 8 between friction pile 1, point anchor section 5 it
Between can form vertical slump arch 7.Breast boards 4 mainly provides the drag that rock and soil pressure needs in horizontal slump arch 8, on friction pile 1
Non-dots anchor section 6 mainly provides the drag that rock and soil pressure needs in vertical slump arch 7.Because horizontal slump arch 8 and vertical slump arch 7
Interior rock and soil pressure it is smaller, it is necessary to supporting drag it is little, therefore the dosage of reinforcing bar can be reduced in the non-dots anchor section 6 of friction pile 1,
Greatly save the cost of friction pile 1.Additionally due to anchor cable 2 can not possibly fully horizontally be set, therefore non-dots anchor section 6 also undertakes anchor cable
2 vertical force components produced, avoid an anchor section 5 from gliding, can ensure that anchor cable 2 works normally.
Anchor anti-sliding piled barricade is put in the hole of the present embodiment, the slope supporting of slump arch can be formed suitable for stopping, will be passed
The girder construction of system friction pile is changed to a structural computational model.A point anchor 5 outer anchor block as anchor cable 2 of section, it is mainly anti-shearing
Calculated with Punching Shear, the effect of moment of flexure is relatively small.The purpose for the arrangement is that moment of flexure huge on friction pile 1 is avoided, with tradition
Piled anchor barricade is compared to the obvious advantage.Contrast experiment analyzes as shown in Figure 3, both anchor cable drags 9 are as shown by arrows.The present embodiment
Friction pile 1 on moment of flexure be much smaller than moment of flexure on traditional friction pile 10.Therefore anchor anti-sliding piled barricade is put in the hole of the present embodiment
Integrate piled anchor and point anchor structure the advantages of, ensure vertical retaining-wall construction time stable structure, it is safe while, significantly subtract
Structure size of small friction pile itself and reinforcing bar, reduce cost, shorten the construction period, therefore have great practical value.
In the present embodiment, anchor cable 2 and the angle of horizontal plane are 15 °~20 °, to ensure to provide larger horizontal resist forces to hinder
The slope thrust q on rib slope.
Since horizontal slump arch 8 and rock, soil pressure in vertical slump arch 7 are smaller, and respectively by breast boards 4 and non-dots anchor
Section 6 provides drag, and slope thrust q is acted in side slope and mainly provides drag, the drag that friction pile 1 provides by anchor cable 2 and point anchor section 5
Reduce.Therefore, in the present embodiment, the sectional dimension of friction pile 1 can meet whole barricade not over 800mm × 1000mm
Side slope is supported, and former material is greatly saved compared with traditional friction pile (sectional dimension is 1700mm × 2500mm or so)
Material, cost are greatly reduced.
Present invention also offers anchor anti-sliding piled barricade forming method is put in a kind of hole, for anchor friction pile will to be put in the hole
Dams setting can form the side slope of slump arch, including：
Step S1, the hole of some receiving friction piles 1 is formed down in top of the slope plane.
Step S2, forms friction pile 1 in hole, and divides friction pile 1 by the friction pile 1 and the distribution function of resistance of side slope
To be alternately distributed an anchor section 5 and non-dots anchor section 6.
Step S3, implements stake top beam 3 and connects some tops of friction pile 1, make friction pile 1 more firm.
Step S4, from top to bottom excavates the cubic metre of earth and stone before friction pile, when digging out row's point anchor section 5 every time, implements anchor cable 2,
Breast boards 4 is formed between the friction pile 1 that this time is dug out, breast boards 4 is connected the friction pile 1 of both sides, until completing all anchor cables 2
With breast boards 4.
The present invention considers the presence of vertical slump arch (the corresponding region of non-dots anchor section), and point anchor technology is introduced friction pile
Among, the girder construction for changing traditional friction pile is point structure.The advantages of this structure integrates piled anchor and puts anchor structure, protecting
Demonstrate,prove vertical retaining-wall construction time stable structure, it is safe while, significantly reduce friction pile structure size itself and reinforcing bar, reduction and make
Valency, shorten the construction period, therefore has great practical value.
Wherein, after digging out row's point anchor section every time, the breast boards 4 of formation is connected with the breast boards 4 that the last time is formed, and makes gear
Native plate 4 is connected, and native thrust is stronger in the flat slump arch of water resistant.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on, are all contained within protection scope of the present invention.
Claims (4)
1. anchor anti-sliding piled barricade is put in a kind of hole, it is characterised in that the side slope of slump arch, its structure bag can be formed for stopping
Include：Friction pile (1), anchor cable (2), stake top beam (3) and breast boards (4)；The friction pile (1) is arranged in parallel at a certain distance to be set
Put, the stake top beam (3) is located at the top of friction pile (1), connects some friction piles (1), the breast boards (4) is located at friction pile
(1) between, and it is connected with the friction pile (1) of both sides, for the horizontal slump arch formed for side slope between adjacent friction pile (1)
Interior ground provides drag, and friction pile (1) bottom has the integrally formed extension for being used to stretch into bottom of slope predetermined length, often
The anchor point to be formed and be connected with anchor cable (2) is spaced a predetermined distance on friction pile described in root (1), each anchor point connects at least one
Anchor cable (2), it is a point anchor section that can separately provide anchor cable (2) to need the region of horizontal resist forces around anchor point on the friction pile (1)
(5), it is non-dots anchor section (6) between point anchor section (5), it is side slope shape between consecutive points anchor section (5) that the non-dots anchor section (6), which is used for,
Into vertical slump arch (7) interior ground drag is provided.
2. anchor anti-sliding piled barricade is put in hole as claimed in claim 1, it is characterised in that：The anchor cable (2) and the folder of horizontal plane
Angle is 15 °~20 °.
3. anchor anti-sliding piled barricade forming method is put in a kind of hole, it is characterised in that for anchor anti-sliding piled barricade will to be put in the hole
The side slope of slump arch can be formed by being arranged on, and be comprised the following steps：
S1：The hole of some receiving friction piles (1) is formed down in top of the slope plane；
S2：Friction pile (1) is formed in hole, and draws the friction pile (1) by the friction pile (1) and the distribution function of resistance of side slope
It is divided into and is alternately distributed an anchor section (5) and non-dots anchor section (6)；
S3：Implementing stake top beam (3) will connect at the top of some friction piles (1)；
S4：The cubic metre of earth and stone before excavation friction pile from top to bottom, when digging out row's point anchor section (5) every time, implements anchor cable (2), in this time
Breast boards (4) is formed between the friction pile (1) dug out, makes the friction pile (1) of breast boards connection both sides, until completing all anchor cables
(2) and breast boards (4).
4. anchor anti-sliding piled barricade forming method is put in hole as claimed in claim 3, it is characterised in that dig out row's point anchor every time
After section (5), the breast boards (4) of formation is connected with the breast boards (4) that the last time is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710783755.7A CN108005103A (en) | 2017-09-04 | 2017-09-04 | In-hole point-anchored slide-resistant pile retaining wall and forming method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710783755.7A CN108005103A (en) | 2017-09-04 | 2017-09-04 | In-hole point-anchored slide-resistant pile retaining wall and forming method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108005103A true CN108005103A (en) | 2018-05-08 |
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ID=62050953
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710783755.7A Pending CN108005103A (en) | 2017-09-04 | 2017-09-04 | In-hole point-anchored slide-resistant pile retaining wall and forming method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107447777A (en) * | 2017-09-11 | 2017-12-08 | 芜湖凡达机械科技有限公司 | Anchor anti-sliding piled barricade is put in a kind of hole |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101298780A (en) * | 2008-06-23 | 2008-11-05 | 云南省公路规划勘察设计院 | High and light anchorage cable pile panel wall and construction method thereof |
-
2017
- 2017-09-04 CN CN201710783755.7A patent/CN108005103A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101298780A (en) * | 2008-06-23 | 2008-11-05 | 云南省公路规划勘察设计院 | High and light anchorage cable pile panel wall and construction method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107447777A (en) * | 2017-09-11 | 2017-12-08 | 芜湖凡达机械科技有限公司 | Anchor anti-sliding piled barricade is put in a kind of hole |
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Application publication date: 20180508 |