CN105649091A - High slope support method and structure - Google Patents

High slope support method and structure Download PDF

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Publication number
CN105649091A
CN105649091A CN201510214541.9A CN201510214541A CN105649091A CN 105649091 A CN105649091 A CN 105649091A CN 201510214541 A CN201510214541 A CN 201510214541A CN 105649091 A CN105649091 A CN 105649091A
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CN
China
Prior art keywords
slope
stand column
column pile
anchor cable
construction
Prior art date
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Pending
Application number
CN201510214541.9A
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Chinese (zh)
Inventor
龙敏健
苗恩新
赵军
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China Construction Fourth Engineering Division Corp Ltd
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China Construction Fourth Engineering Division Corp Ltd
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Publication date
Application filed by China Construction Fourth Engineering Division Corp Ltd filed Critical China Construction Fourth Engineering Division Corp Ltd
Priority to CN201510214541.9A priority Critical patent/CN105649091A/en
Publication of CN105649091A publication Critical patent/CN105649091A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a high slope support method and a high slope supporting structure. The method realizes supporting a high slope by carrying out cross construction through a high slope sloping process, an anchor rod spraying process, and an advanced column pile and anchor cable structure erecting process. The high slope support method can achieve the effects of controlling slope deformation, and also can reduce earthwork excavation volume, so that the cost is reduced, and the national energy-saving and consumption-reducing requirements are met.

Description

A kind of high slope method for protecting support and structure
Technical field
The present invention relates to a kind of high slope method for protecting support and structure, belong to civil engineering technical field.
Background technology
In prior art, most of job site all adopts lattice anchor cable structure, spray to protect anchor cable structure etc., although this solves slope construction problem, has long construction period, and slope deforming is larger, affects the problems such as safety of surrounding environment. In prior art, most of job site all adopts lattice anchor cable structure, spray to protect anchor cable structure etc., although this solves slope construction problem, has long construction period, and slope deforming is larger, affects the problems such as safety of surrounding environment.
Summary of the invention
The object of the invention is: for the defect of prior art, provide a kind of high slope method for protecting support and structure, solve stability of high slope, guarantee safety of surrounding environment, avoid soil deformation, cave in, to overcome the deficiency of existing slope retaining technology.
Technical scheme of the present invention
A kind of high slope method for protecting support, high slope is put to slope+spray anchor structure operation in the method employing and leading stand column pile+anchor cable structure operation crossed construction is realized the supporting to high slope.
In aforesaid a kind of high slope method for protecting support, Specific construction step is:
One, according to actual high slope structure is analyzed, high slope is divided into at least two sections;
Two, one-level High Slope Rock is put slope unloading, high slope first paragraph is carried out to rock excavation and puts slope, and it puts the angle of slope of putting that angle of slope is less than actual rock mass maximum, then mix earth and sprays and protect putting behind slope rock mass, then carries out anchor bolt construction;
Two, the vertically leading stand column pile of construction of the bottom of rock mass after first paragraph is put slope, leading stand column pile is evenly distributed in rock mass, Guan Liang is located at leading stand column pile top and realizes fixing between leading stand column pile, then the rock mass to be excavated of leading stand column pile one side is carried out to stage excavation;
Three, treat after excavation rock mass current layer excavation, carry out anchor cable drilling construction, this anchor cable is holed between leading stand column pile and is penetrated steel strand wires rope, then carry out anchorage cable anchoring mortar depositing construction, lattice girder is across fixing in leading stand column pile and holing corresponding with anchor cable, treat that lattice girder reaches design strength, carry out anchor cable tensioning construction, reach anchoring after tension stress, then between in leading stand column pile, carry out reinforced mesh colligation and construction of shotcrete, repeat current layer operation and complete leading stand column pile+anchor cable structure operation.
Four, the complete rear supporting to Gao Po of the working procedure of repeating step two and step 3.
In aforesaid a kind of high slope method for protecting support, putting slope+spray anchor structure operation section and between stand column pile+anchor cable structure operation section, breeze way be set in advance, this breeze way is parallel with horizontal line, by breeze way is set, convenient construction personnel are put respectively slope+spray anchor structure operation and leading stand column pile+anchor cable structure operation.
A kind of high slope supporting construction, comprise the rock mass after excavating, the excavation face of this rock mass is that inclined-plane and vertical plane intersection show, between inclined-plane and vertical plane, be provided with horizontal plane, shotcrete layer on inclined-plane, anchor pole penetrates in rock mass by inclined-plane, on vertical plane, be evenly arranged leading stand column pile, Guan Liang is located at leading stand column pile top and realizes fixing between leading stand column pile, on the vertical plane between leading stand column pile, be laid with anchor cable boring, lattice is across in leading stand column pile and corresponding with anchor cable boring, anchor cable is holed to penetrate in rock mass and by lattice girder by anchor cable and is realized pretension stretch-draw, then between leading stand column pile, reinforced mesh and gunite concrete are set.
Owing to having adopted technique scheme, compared with prior art, the present invention both can play the effect of controlling slope deforming, can reduce again earthwork excavated volume, reduced costs, and met the requirement of national energy-saving consumption reduction.
Brief description of the drawings
Accompanying drawing 1 is structure elevational schematic view of the present invention;
Accompanying drawing 2 is A-A cutaway views of accompanying drawing 1.
Detailed description of the invention
Below in conjunction with accompanying drawing to the present invention with being described in further detail, but not as any limitation of the invention.
Embodiments of the invention: a kind of high slope method for protecting support, high slope is put to slope+spray anchor structure operation in the method employing and leading stand column pile+anchor cable structure operation crossed construction is realized the supporting to high slope, putting slope+spray anchor structure operation section and between stand column pile+anchor cable structure operation section, breeze way be set in advance, this breeze way is parallel with horizontal line, puts slope+spray anchor structure operation and leading stand column pile+anchor cable structure operation. .
Specific construction step is:
One, according to actual high slope structure is analyzed, high slope is divided into at least two sections;
Two, one-level High Slope Rock is put slope unloading, high slope first paragraph is carried out to rock excavation and puts slope, and it puts the angle of slope of putting that angle of slope is less than actual rock mass maximum, then mix earth and sprays and protect putting behind slope rock mass, then carries out anchor bolt construction;
Two, the vertically leading stand column pile of construction of the bottom of rock mass after first paragraph is put slope, leading stand column pile is evenly distributed in rock mass, Guan Liang is located at leading stand column pile top and realizes fixing between leading stand column pile, then the rock mass to be excavated of leading stand column pile one side is carried out to stage excavation;
Three, treat after excavation rock mass current layer excavation, carry out anchor cable drilling construction, this anchor cable is holed between leading stand column pile and is penetrated steel strand wires rope, then carry out anchorage cable anchoring mortar depositing construction, lattice girder is across fixing in leading stand column pile and holing corresponding with anchor cable, treat that lattice girder reaches design strength, carry out anchor cable tensioning construction, reach anchoring after tension stress, then between in leading stand column pile, carry out reinforced mesh colligation and construction of shotcrete, repeat current layer operation and complete leading stand column pile+anchor cable structure operation.
Four, the complete rear supporting to Gao Po of the working procedure of repeating step two and step 3.
A kind of high slope supporting construction forming according to above-mentioned construction method, as shown in drawings, comprise the rock mass 1 after excavating, the excavation face of this rock mass is that inclined-plane and vertical plane intersection show, between inclined-plane and vertical plane, be provided with horizontal plane, shotcrete layer 8 on inclined-plane, anchor pole 7 penetrates in rock mass 1 by inclined-plane, on vertical plane, be evenly arranged leading stand column pile 2, hat beam 3 is located at leading stand column pile top 2 and realizes fixing between leading stand column pile 2, on the vertical plane between leading stand column pile 2, be laid with anchor cable boring 5, lattice girder 4 is across in leading stand column pile 2 and hole 5 corresponding with anchor cable, anchor cable 9 is holed and 5 is penetrated in rock mass 1 and realize pretension stretch-draw by lattice girder 4 by anchor cable, then in leading 2 of stand column pile, reinforced mesh and gunite concrete 6 are set.
Anchor pole and anchor cable construction operation and all can adopt prior art to carry out with the angle of putting domatic formation in the present embodiment, and the construction of leading stand column pile in the present embodiment, anchor cable pretension tension technology has been prior art, the present embodiment is just not repeated.

Claims (4)

1. a high slope method for protecting support, is characterized in that: high slope is put to slope+spray anchor structure operation in the method employing and leading stand column pile+anchor cable structure operation crossed construction is realized the supporting to high slope.
2. a kind of high slope method for protecting support according to claim 1, is characterized in that: Specific construction step is:
One, according to actual high slope structure is analyzed, high slope is divided into at least two sections;
Two, one-level High Slope Rock is put slope unloading, high slope first paragraph is carried out to rock excavation and puts slope, and it puts the angle of slope of putting that angle of slope is less than actual rock mass maximum, then mix earth and sprays and protect putting behind slope rock mass, then carries out anchor bolt construction;
Two, the vertically leading stand column pile of construction of the bottom of rock mass after first paragraph is put slope, leading stand column pile is evenly distributed in rock mass, Guan Liang is located at leading stand column pile top and realizes fixing between leading stand column pile, then the rock mass to be excavated of leading stand column pile one side is carried out to stage excavation;
Three, treat after excavation rock mass current layer excavation, carry out anchor cable drilling construction, this anchor cable is holed between leading stand column pile and is penetrated steel strand wires rope, then carry out anchorage cable anchoring mortar depositing construction, lattice girder is across fixing in leading stand column pile and holing corresponding with anchor cable, treat that lattice girder reaches design strength, carry out anchor cable tensioning construction, reach anchoring after tension stress, then between in leading stand column pile, carry out reinforced mesh colligation and construction of shotcrete, repeat current layer operation and complete leading stand column pile+anchor cable structure operation;
Four, the complete rear supporting to Gao Po of the working procedure of repeating step two and step 3.
3. a kind of high slope method for protecting support according to claim 1, is characterized in that: putting slope+spray anchor structure operation section and between stand column pile+anchor cable structure operation section, breeze way be set in advance, this breeze way is parallel with horizontal line.
4. a high slope supporting construction, comprise the rock mass (1) after excavating, it is characterized in that: the excavation face of this rock mass is that inclined-plane and vertical plane intersection show, between inclined-plane and vertical plane, be provided with horizontal plane, shotcrete layer on inclined-plane (8), anchor pole (7) penetrates in rock mass (1) by inclined-plane, on vertical plane, be evenly arranged leading stand column pile (2), Guan Liang (3) is located at leading stand column pile top (2) and realizes fixing between leading stand column pile (2), on the vertical plane between leading stand column pile (2), be laid with anchor cable boring (5), lattice girder (4) is across upper and corresponding with anchor cable boring (5) in leading stand column pile (2), anchor cable (9) by anchor cable hole (5) penetrate in rock mass (1) and realize pretension stretch-draw by lattice girder (4), then between leading stand column pile (2), reinforced mesh and gunite concrete (6) are set.
CN201510214541.9A 2015-04-30 2015-04-30 High slope support method and structure Pending CN105649091A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510214541.9A CN105649091A (en) 2015-04-30 2015-04-30 High slope support method and structure

Publications (1)

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CN105649091A true CN105649091A (en) 2016-06-08

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106939609A (en) * 2017-04-25 2017-07-11 安徽宝翔建设集团有限责任公司 Lattice girder slope construction is continuous to become control construction method
CN108457278A (en) * 2017-02-22 2018-08-28 中国二十冶集团有限公司 The support pile anchor cable construction method of narrow spacing

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101148882A (en) * 2007-10-29 2008-03-26 中铁二院工程集团有限责任公司 Stable excavating method for cracked weak rock road cutting high slope
CN102330431A (en) * 2011-06-16 2012-01-25 兰州理工大学 Flexible support structure of pre-stress anchor rod for lattice type frame and construction method of flexible support structure
CN202482878U (en) * 2012-03-20 2012-10-10 叶长青 Slope retaining composite construction
CN204000901U (en) * 2014-08-07 2014-12-10 青岛海川建设集团有限公司 The vertical high slope prestressing anchor support of a kind of massif device
CN204590048U (en) * 2015-04-30 2015-08-26 中国建筑第四工程局有限公司 A kind of high slope rockmass structure

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101148882A (en) * 2007-10-29 2008-03-26 中铁二院工程集团有限责任公司 Stable excavating method for cracked weak rock road cutting high slope
CN102330431A (en) * 2011-06-16 2012-01-25 兰州理工大学 Flexible support structure of pre-stress anchor rod for lattice type frame and construction method of flexible support structure
CN202482878U (en) * 2012-03-20 2012-10-10 叶长青 Slope retaining composite construction
CN204000901U (en) * 2014-08-07 2014-12-10 青岛海川建设集团有限公司 The vertical high slope prestressing anchor support of a kind of massif device
CN204590048U (en) * 2015-04-30 2015-08-26 中国建筑第四工程局有限公司 A kind of high slope rockmass structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108457278A (en) * 2017-02-22 2018-08-28 中国二十冶集团有限公司 The support pile anchor cable construction method of narrow spacing
CN106939609A (en) * 2017-04-25 2017-07-11 安徽宝翔建设集团有限责任公司 Lattice girder slope construction is continuous to become control construction method

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Application publication date: 20160608

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