CN109281324A - Inclined strut type pile beam plate retaining system and construction method - Google Patents
Inclined strut type pile beam plate retaining system and construction method Download PDFInfo
- Publication number
- CN109281324A CN109281324A CN201811294464.2A CN201811294464A CN109281324A CN 109281324 A CN109281324 A CN 109281324A CN 201811294464 A CN201811294464 A CN 201811294464A CN 109281324 A CN109281324 A CN 109281324A
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- batter post
- friction pile
- crossbeam
- pile
- ground
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- 238000010276 construction Methods 0.000 title claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 26
- 239000010959 steel Substances 0.000 claims abstract description 26
- 239000004567 concrete Substances 0.000 claims abstract description 15
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 5
- 210000000481 breast Anatomy 0.000 claims description 16
- 230000002787 reinforcement Effects 0.000 claims description 9
- 238000005266 casting Methods 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000011218 segmentation Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000005304 joining Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Foundations (AREA)
Abstract
The invention discloses an inclined strut type pile beam plate retaining system which comprises an anti-slide pile and a retaining plate, wherein the back mountain side of the anti-slide pile is provided with an inclined column and a cross beam; the inclined column is of a structure that reinforced concrete is sleeved with steel pipes in an outer mode, the reinforced concrete is poured in an underground and an above-ground sectional mode and is connected into a whole, the sleeved steel pipes are installed in an underground and an above-ground sectional mode and are welded into a whole, embedded steel bars are arranged at joints of the anti-slide pile and the inclined column and are connected after concrete pouring is combined, the upper end of the inclined column abuts against the middle upper portion of the anti-slide pile, and the lower end of the inclined column is inserted into the ground; the crossbeam is horizontally connected between the anti-slide pile and the oblique column, and the two ends of the crossbeam are respectively connected with the anti-slide pile and the oblique column by adopting bar planting and combining concrete pouring, and form a triangle with the anti-slide pile and the oblique column. Meanwhile, the invention also discloses a construction method of the inclined strut type pile beam plate retaining system. The batter post, the crossbeam and the anti-slide pile enclose a triangle, and the triangle structure has strong stability and is suitable for landslide and side slope engineering with larger thrust.
Description
Technical field
The present invention relates to support engineering of cutting slope technical fields, are suitable for the biggish landslide of thrust and slope supporting.
Background technique
The primary structure form that existing side slope carries out supporting and retaining system is: being arranged at intervals with friction pile, adjacent antiskid along side slope or so
It is provided with breast boards between stake, there are joining section in the left and right ends of breast boards with corresponding friction pile.The top of friction pile, earth-retaining
The top of plate is flushed with bench crest, the bottom end of friction pile, the bottom end of breast boards reach ground line hereinafter, and friction pile be located at ground
Upper thread length below is greater than breast boards and is located at ground line length below.
The structure can play the role of supporting and retaining system to landslide, side slope to a certain extent;But it finds in actual application, by
It is poor in the retaining structure self stability, the biggish landslide of thrust and slope project can not be suitable for, it is hidden to constitute greatly safety
Suffer from.
Summary of the invention
The present invention is intended to provide a kind of stronger landslide of self stability and slope supporting system, it is larger to can be suitably used for thrust
Landslide and slope project.
For this purpose, the technical scheme adopted by the invention is as follows: a kind of diagonal-bracing type stake beam slab supporting and retaining system system, including along side slope or so
Spaced friction pile is provided with breast boards between adjacent friction pile, and the back versant of every friction pile is equipped with a batter post
With a crossbeam;The batter post uses the structure of armored concrete outer steel pipe, and armored concrete is segmented using underground, on the ground
Formula is poured and is linked together, and using underground, the installation of ground segmented and integrally welded, friction pile connects with batter post for the steel pipe of housing
It is provided with embedded bar at head and realizes connection after combining concreting, the upper end of batter post is against the middle and upper part of friction pile, tiltedly
Underground is inserted into the lower end of column;The crossbeam is connected horizontally between friction pile and batter post, and bar planting is respectively adopted simultaneously in the both ends of crossbeam
It is connected in conjunction with concreting with friction pile, batter post, and surrounds triangle with friction pile, batter post.
As a preferred embodiment of the above solution, the crossbeam must not upper thread above Ground, the both ends of crossbeam are separately connected friction pile, tiltedly
The waist of column.Crossbeam is embedded in underground, and stability is more preferable, and the bearing capacity of corresponding diagonal-bracing type stake beam slab supporting and retaining system system is also more preferable.
Further preferably, sawtooth is dug at the back versant of the friction pile, the position connecting with batter post, and after chisel
Thickness of protection tier L1 be not less than 3.5cm, the face A of sawtooth and the central axis of batter post, in the face B of sawtooth and batter post
Heart line is parallel, is provided with billet on the face A of sawtooth, is provided on each sawtooth of friction pile and passes perpendicularly through billet
The embedded bar, the length of embedded bar are not less than 1m, the sawtooth, billet, embedded bar be used as together friction pile with
Batter post connector is poured.It is carried out at the position that friction pile is connect with batter post using the sawtooth of chisel in advance and combination embedded bar
Concreting, and the thickness of protection tier after chisel is limited, it not only can guarantee structural strength of the friction pile certainly at chisel tooth, but also
It can ensure that and be reliably connected with batter post;The billet added simultaneously, can effectively prevent stress at contact position and cross senior general's sawtooth
Teeth crushing, further improves the connection reliability of friction pile and batter post.
Further preferably, the cross section of the friction pile is rectangle, and batter post is cylinder, and the diameter of batter post is not greater than anti-
The angle of 0.8 times of sliding pile width, batter post and horizontal plane is 45~60 °, and batter post distance L3 at the top of friction pile is friction pile
The 1/4~1/2 of cantilever segment length L4, the cross section horizontal beam Alto be it is rectangular, hem width is consistent with the diameter of batter post.Limit the diameter of batter post
Be not greater than 0.8 times of anti-slide pile width, make batter post obtain the left and right side of two sides and friction pile there are safe edge away from, prevent using
In the process, it is destroyed at the link position of batter post and friction pile by shearing force.
Meanwhile the present invention also provides a kind of construction methods of above-mentioned diagonal-bracing type stake beam slab supporting and retaining system system, according to the following steps
It constructs: (A) friction pile and bulkhead construction;(B) batter post steel reinforcement cage underground section makes respectively with ground upper section;(C) batter post at
The underground section of hole and outer steel pipe is embedded;(D) lifting of batter post steel reinforcement cage underground section;(E) below ground batter post casting concrete
And maintenance;(F) crossbeam and batter post, friction pile connection construction, including bar planting, reinforced concrete construction;(G) batter post ground is with top
Give work, the welding of ground upper section and underground section including batter post outer steel pipe, batter post steel reinforcement cage the lifting of upper section, pour coagulation
Soil and maintenance;(H) friction pile back versant digs sawtooth;(I) billet, batter post and antiskid stake body is laid to connect.
Beneficial effects of the present invention: batter post and crossbeam are added on the basis of existing slope supporting structure, makes batter post, cross
Beam and friction pile surround triangle, using the supporting role of batter post, the effective anti-slippery effect for improving friction pile;Triangular structure
Self stability is strong, is suitable for the biggish landslide of thrust and slope project.
Detailed description of the invention
Fig. 1 is the side view of diagonal-bracing type stake beam slab supporting and retaining system system.
Fig. 2 is the front view of diagonal-bracing type stake beam slab supporting and retaining system system.
Fig. 3 is the state that batter post, crossbeam and friction pile surround triangle.
Fig. 4 is the portion the A perspective view of Fig. 3.
Fig. 5 is the portion the B perspective view of Fig. 3.
Specific embodiment
By way of example and in conjunction with the accompanying drawings, the invention will be further described:
As Figure 1-Figure 5, a kind of diagonal-bracing type stake beam slab supporting and retaining system system, mainly by friction pile 1, breast boards 2, batter post 3,
Crossbeam 4 forms.Friction pile 1, batter post 3, crossbeam 4 are arranged in a one-to-one correspondence, and the quantity of breast boards 2 one fewer than the quantity of friction pile 1.
Friction pile 1 is provided with breast boards 2 between setting, adjacent friction pile 1 between left and right along side slope.The left and right of breast boards 2
There is joining section at both ends with corresponding friction pile 1.The top of friction pile 1, the top of breast boards 2 are flushed with bench crest, friction pile 1
Bottom end, breast boards 2 bottom end reach ground line hereinafter, and friction pile 1 be located at ground line length below greater than breast boards 2
Positioned at ground line length below.Described above consistent with existing structure, details are not described herein.
The back versant of every friction pile 1 is equipped with a batter post 3 and a crossbeam 4.Batter post 3 uses armored concrete housing
The structure of steel pipe.Armored concrete is poured using two-part, and every section is separately provided steel reinforcement cage, and underground, ground segmented pour simultaneously
It is linked together;The steel pipe of housing using underground, ground segmented installation and it is integrally welded.
Friction pile 1 and 3 joint of batter post are provided with embedded bar 5 and realize connection after combining concreting, batter post 3
Upper end is against the middle and upper part of friction pile 1, and underground is inserted into the lower end of batter post 3;Crossbeam 4 be connected horizontally on friction pile 1 and batter post 3 it
Between, the both ends of crossbeam 4 are respectively adopted bar planting and are connected with friction pile 1, batter post 3 in conjunction with concreting, and with friction pile 1, oblique
Column 3 surrounds triangle.
Preferably, crossbeam 4 must not be separately connected the waist of friction pile 1, batter post 3 in upper thread, the both ends of crossbeam 4 above Ground.
In conjunction with shown in Fig. 3, Fig. 4, sawtooth is dug at the back versant of friction pile 1, the position connecting with batter post 3.After chisel
Thickness of protection tier L1 be not less than 3.5cm, that is, dig after residual concrete apart from friction pile 1 back versant reinforcing bar 1a distance
Not less than 3.5cm.Sawtooth is divided into the face A and the face B, the face A of sawtooth and the central axis of batter post 3, the face B and the batter post 3 of sawtooth
Centerline parallel.It is provided with billet 6 on the face A of sawtooth, is provided on each sawtooth of friction pile 1 and passes perpendicularly through steel pad
The embedded bar 5 of plate 6, the length of embedded bar 5 are not less than 1m, and sawtooth, billet 6, embedded bar 5 are used as friction pile 1 together
It is poured with 3 connector of batter post.
In addition, the cross section of friction pile 1 is rectangle, batter post 3 is cylinder, and the diameter of batter post 3 is not greater than 1 width of friction pile
0.8 times, the angle of batter post 3 and horizontal plane, which is 45~60 °, to be advisable, and batter post 3 is friction pile 1 with 1 top distance L2 of friction pile
The 1/4~1/2 of cantilever segment length L3,4 cross section Alto of crossbeam be it is rectangular, hem width is consistent with the diameter of batter post 3.Friction pile 1 it is total
The sum of a length of cantilever segment length L3 and build-in segment length L4.
A kind of construction method of above-mentioned diagonal-bracing type stake beam slab supporting and retaining system system, constructs according to the following steps:
(A) friction pile and bulkhead construction, except before friction pile casting concrete be arranged embedded bar in addition to, remaining with it is existing
Form of construction work it is consistent;
(B) batter post steel reinforcement cage underground section makes respectively with ground upper section;
(C) underground section of batter post pore-forming and outer steel pipe is embedded;
(D) lifting of batter post steel reinforcement cage underground section;
(E) below ground batter post casting concrete and maintenance;
(F) crossbeam and batter post, friction pile connection construction, including bar planting, reinforced concrete construction;
(G) batter post ground above section is constructed, the welding of ground upper section and underground section including batter post outer steel pipe, batter post steel
Muscle cage upper section lifting, casting concrete and maintenance;
(H) friction pile back versant digs sawtooth;
(I) billet, batter post and antiskid stake body is laid to connect.
Claims (5)
1. a kind of diagonal-bracing type stake beam slab supporting and retaining system system, including along the spaced friction pile of side slope or so (1), adjacent friction pile
(1) breast boards (2) are provided between, it is characterised in that: the back versant of every friction pile (1) is equipped with a batter post (3) and one
Root crossbeam (4);The batter post (3) uses the structure of armored concrete outer steel pipe, and armored concrete is divided using underground, on the ground
Segmentation is poured and is linked together, the steel pipe of housing using underground, the installation of ground segmented and integrally welded, friction pile (1) with
Batter post (3) joint is provided with embedded bar (5) and realizes connection after combining concreting, and the upper end of batter post (3) is against anti-
Underground is inserted into the lower end of the middle and upper part of sliding pile (1), batter post (3);The crossbeam (4) is connected horizontally on friction pile (1) and batter post (3)
Between, the both ends of crossbeam (4) are respectively adopted bar planting and are connected with friction pile (1), batter post (3) in conjunction with concreting, and with resist
Sliding pile (1), batter post (3) surround triangle.
2. diagonal-bracing type stake beam slab supporting and retaining system system described in accordance with the claim 1, it is characterised in that: the crossbeam (4) must not be higher than
Ground line, the both ends of crossbeam (4) are separately connected the waist of friction pile (1), batter post (3).
3. diagonal-bracing type stake beam slab supporting and retaining system system according to claim 1 or 2, it is characterised in that: in the friction pile (1)
Versant is carried on the back, sawtooth is dug at the position connecting with batter post (3), and the thickness of protection tier L1 after chisel is not less than 3.5cm, saw
The face A of tooth and the central axis of batter post (3), the face B of sawtooth and the centerline parallel of batter post (3), are arranged on the face A of sawtooth
There are billet (6), the embedded bar (5) for passing perpendicularly through billet (6) be provided on each sawtooth of friction pile (1),
The length of embedded bar (5) is not less than 1m, and the sawtooth, billet (6), embedded bar (5) are together as friction pile (1) and oblique
Column (3) connector is poured.
4. diagonal-bracing type stake beam slab supporting and retaining system system described in accordance with the claim 3, it is characterised in that: the friction pile (1) it is transversal
Face is rectangle, and batter post (3) is cylinder, and the diameter of batter post (3) is not greater than 0.8 times of friction pile (1) width, batter post (3) and water
The angle of plane is 45~60 °, and batter post (3) distance L3 at the top of friction pile (1) is the 1/ of friction pile (1) cantilever segment length L4
4~1/2, crossbeam (4 cross sections) Alto be it is rectangular, hem width is consistent with the diameter of batter post (3).
5. a kind of construction method of the diagonal-bracing type stake beam slab supporting and retaining system system as described in any one of claim 1-4, feature exist
In constructing according to the following steps: (A) friction pile and bulkhead construction;(B) batter post steel reinforcement cage underground section is made respectively with ground upper section
Make;(C) underground section of batter post pore-forming and outer steel pipe is embedded;(D) lifting of batter post steel reinforcement cage underground section;(E) below ground is oblique
Column casting concrete and maintenance;(F) crossbeam and batter post, friction pile connection construction, including bar planting, reinforced concrete construction;(G) tiltedly
Column ground above section construction, the welding of ground upper section and underground section including batter post outer steel pipe, batter post steel reinforcement cage ground upper section
Lifting, casting concrete and maintenance;(H) friction pile back versant digs sawtooth;(I) billet, batter post and antiskid stake body is laid to connect
It connects.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811294464.2A CN109281324A (en) | 2018-11-01 | 2018-11-01 | Inclined strut type pile beam plate retaining system and construction method |
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CN201811294464.2A CN109281324A (en) | 2018-11-01 | 2018-11-01 | Inclined strut type pile beam plate retaining system and construction method |
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CN201811294464.2A Pending CN109281324A (en) | 2018-11-01 | 2018-11-01 | Inclined strut type pile beam plate retaining system and construction method |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110468858A (en) * | 2019-08-06 | 2019-11-19 | 中铁第四勘察设计院集团有限公司 | The supporting construction and construction method of rock matter cut slope |
CN112095615A (en) * | 2020-09-18 | 2020-12-18 | 中国建筑第八工程局有限公司 | Supporting structure without inner support for deep foundation pit in soft soil area and construction method thereof |
CN113931203A (en) * | 2021-10-21 | 2022-01-14 | 山东省公路桥梁建设集团有限公司 | High-steep-slope pile foundation reinforcing method |
CN114351731A (en) * | 2021-12-28 | 2022-04-15 | 华东交通大学 | Anti-slide pile with supporting rod and construction method thereof |
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US20100239375A1 (en) * | 2009-03-20 | 2010-09-23 | Vitaly Boris Feygin | Diaphragm/ sea retaining wall system |
CN202689020U (en) * | 2012-07-25 | 2013-01-23 | 中铁二院工程集团有限责任公司 | High-cantilever combined type anti-slide pile |
CN204098523U (en) * | 2014-09-24 | 2015-01-14 | 安徽天筑建设(集团)有限公司 | Punch after a kind of reinforced concrete floor and add beam reinforced structure |
CN107938685A (en) * | 2017-06-20 | 2018-04-20 | 重庆市高新工程勘察设计院有限公司 | A kind of new diagonal brace composite support device |
CN209179027U (en) * | 2018-11-01 | 2019-07-30 | 重庆市地质矿产勘查开发局208水文地质工程地质队(重庆市地质灾害防治工程勘查设计院) | Bracing formula pile beam slab props up fender system |
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2018
- 2018-11-01 CN CN201811294464.2A patent/CN109281324A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100239375A1 (en) * | 2009-03-20 | 2010-09-23 | Vitaly Boris Feygin | Diaphragm/ sea retaining wall system |
CN202689020U (en) * | 2012-07-25 | 2013-01-23 | 中铁二院工程集团有限责任公司 | High-cantilever combined type anti-slide pile |
CN204098523U (en) * | 2014-09-24 | 2015-01-14 | 安徽天筑建设(集团)有限公司 | Punch after a kind of reinforced concrete floor and add beam reinforced structure |
CN107938685A (en) * | 2017-06-20 | 2018-04-20 | 重庆市高新工程勘察设计院有限公司 | A kind of new diagonal brace composite support device |
CN209179027U (en) * | 2018-11-01 | 2019-07-30 | 重庆市地质矿产勘查开发局208水文地质工程地质队(重庆市地质灾害防治工程勘查设计院) | Bracing formula pile beam slab props up fender system |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110468858A (en) * | 2019-08-06 | 2019-11-19 | 中铁第四勘察设计院集团有限公司 | The supporting construction and construction method of rock matter cut slope |
CN112095615A (en) * | 2020-09-18 | 2020-12-18 | 中国建筑第八工程局有限公司 | Supporting structure without inner support for deep foundation pit in soft soil area and construction method thereof |
CN113931203A (en) * | 2021-10-21 | 2022-01-14 | 山东省公路桥梁建设集团有限公司 | High-steep-slope pile foundation reinforcing method |
CN114351731A (en) * | 2021-12-28 | 2022-04-15 | 华东交通大学 | Anti-slide pile with supporting rod and construction method thereof |
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Application publication date: 20190129 |