CN105672240B - Inclining destruction type Dangerous Rock Body administering method - Google Patents
Inclining destruction type Dangerous Rock Body administering method Download PDFInfo
- Publication number
- CN105672240B CN105672240B CN201610047286.8A CN201610047286A CN105672240B CN 105672240 B CN105672240 B CN 105672240B CN 201610047286 A CN201610047286 A CN 201610047286A CN 105672240 B CN105672240 B CN 105672240B
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- Prior art keywords
- rock body
- dangerous rock
- waistband
- lateral aperture
- dangerous
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Classifications
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- 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
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
-
- 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
- E02D5/76—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The invention discloses a kind of Inclining destruction type Dangerous Rock Body administering method, one, to the toe of Dangerous Rock Body using curing agent reinforce reinforcing scope include toe deposit and deeply under in sleeping soft stratum；2nd, lateral aperture is opened up in Dangerous Rock Body trailing edge, the lower sleeping soft stratum position below tensile crack, crouch soft stratum under lateral aperture insertion；3rd, it is located in crag external surface and horizontal reinforcement waistband is set at 1/2~2/3 position of Dangerous Rock Body height, reinforcing bar waistband is connected by anchor rod anchored pattern with parent, and anchoring depth is Dangerous Rock Body level to length 1/3；The 4th, dynamometer is set on reinforcing bar waistband, Dangerous Rock Body safety is monitored.The invention has the advantages that according to " the inverse mechanism " that forms Dangerous Rock Body deformation, produce a kind of deformation in opposite direction with conventional Toppling Deformation, Dangerous Rock Body is produced to the inclined trend in trailing edge tensioning crack, make to have occurred and that inclined Dangerous Rock Body " righting ", so as to increase the stability coefficient of Dangerous Rock Body.
Description
Technical field
The present invention relates to Dangerous Rock Body administering method, more particularly, to Inclining destruction type Dangerous Rock Body administering method.
Background technology
Although Dangerous Rock Body refers to some rock mass does not occur unstability also, possesses the essential condition that unstability occurs, Er Qieyi
There is unstable precursors phenomenon, therefore imply that may unstability soon, such rock mass or rock mass group's block are referred to as Dangerous Rock Body.Danger
Rock mass is potential unstable rock mass, is cut by multigroup structural plane more on steep side slope, in gravity, weathering agent, earthquake
Under the effect of the external force such as osmotic pressure, may cause to be separated and unstability with parent rock, be a kind of typical slope geological.Crag
Main damage form produced by body have topple over, avalanche, seat slide and sliding rupture.
At present, the Dangerous Rock Body for Inclining destruction type is administered and mainly takes following several methods：1st, an off-load method is cut：Take
Reduce Dangerous Rock Body slope high or slow down Dangerous Rock Body slope angle and reduce side slope sliding force.2nd, presser feet antiskid method：Take build retaining wall, shield
The supporting and retaining system Dangerous Rock Body such as wall, or using reinforced concrete anti-slide pile or Steel-bar Pile as anti-skid propping works.3rd, earth's surface and underground are arranged
Water protection method：A, top drainage specific practice have：Prevent peripheral surface water from entering landslide area, intercepting ditch is repaiied in boundary of landslide；
Domatic build gutter in landslide area；Mortar flag stone or artificial vegetation bedding are used on the cover layer, prevent from being oozed under surface water；It is right
Pneumatically placed concrete mask is also can use in rock side slope or hang reinforcing bar in-network processing.B, top drainage specific practice have：Subdrainage
Measure it is more, conventional method has horizontal drilling drainage, upright opening draining, vertical shaft to draw water, tunnel drainage, support french drain etc..
4th, anchor pole, anchor cable method for strengthening：Reinforced using a large amount of prestressed anchors or anchor cable, the through stabilization of drilling on fixed Dangerous Rock Body is intended
Basement rock, then in hole interpolation anchor pole or adds anchor cable, and pours cement mortar and fix, and aperture is fixed with bolt.
The method of above-mentioned improvement Inclining destruction type Dangerous Rock Body, it is sometimes desirable to which comprehensive use can be only achieved improvement purpose, therefore
There is working procedure complexity, the deficiency that difficulty is big, long in time limit, cost is high.
The content of the invention
Present invention aim at a kind of Inclining destruction type Dangerous Rock Body administering method of offer.
To achieve the above object, the present invention takes following technical proposals：
Inclining destruction type Dangerous Rock Body administering method of the present invention, is carried out according to following step：
The first step, the toe to the Dangerous Rock Body are reinforced using curing agent, to improve the shearing strength of the toe
And barrier performance；Reinforcing scope include toe deposit and deeply under 15~40cm in sleeping soft stratum；
Second step, in the trailing edge of the Dangerous Rock Body, the lower sleeping soft stratum position below tensile crack, parallel to institute
State tensile crack and open up lateral aperture, described in the lateral aperture insertion under sleeping soft stratum, to form the inverse mechanism of Dangerous Rock Body deformation,
I.e.：Dangerous Rock Body is produced and conventional deformation deformation in opposite direction, promote Dangerous Rock Body to produce to becoming that trailing edge tensioning crack is toppled over
Gesture and avoid occur to toe direction avalanche, topple over and destruction of coming down；
3rd step, the crag external surface be located at Dangerous Rock Body height 1/2~2/3 position at set horizontal reinforcement waist
Band, the reinforcing bar that reinforcing bar waistband is used uses HRB400 screw-thread steels, and diameter should be according to structure size and the choosing of reinforcing steel bar bear situation
With, generally 20mm~32mm, along the vertical interval setting of Dangerous Rock Body 1 ~ 3, reinforcing bar waistband is connected by reinforcing bar waistband with parent
Anchor rod anchored pattern, anchoring depth is about Dangerous Rock Body level to length 1/3；
4th step, on the reinforcing bar waistband dynamometer is set, for monitoring Dangerous Rock Body safety.
In the second step, to water filling in the lateral aperture, with promoting where lateral aperture sleeping soft stratum it is quick soft
Change.
The lateral aperture may be disposed so that single, be also arranged to upper and lower two row, a diameter of 75~200mm of lateral aperture, tool
Body opening number, position and aperture are determined by correlation computations.
The invention has the advantages that designed for Inclining destruction type Dangerous Rock Body, according to " the inverse machine for forming Dangerous Rock Body deformation
Reason ", that is, produce a kind of deformation in opposite direction with conventional Toppling Deformation, make Dangerous Rock Body produce to trailing edge tensioning crack it is inclined become
Gesture, makes to have occurred and that inclined Dangerous Rock Body " righting ", so as to increase the stability coefficient of Dangerous Rock Body.Constructed according to the inventive method
Difficulty is small, low cost, cycle is short, working procedure are simple.Under in the trailing edge of the Dangerous Rock Body, below tensile crack
Sleeping soft stratum is positioned parallel to tensile crack and opens up lateral aperture so that Dangerous Rock Body produces a kind of inverse mechanism of former deformation and recovers
Safe condition.
Brief description of the drawings
Fig. 1 is the Dangerous Rock Body administration structure schematic diagram implemented according to the inventive method.
Fig. 2 is the I of Fig. 1 to partial schematic diagram.
Specific embodiment
As shown in Figure 1, 2, Inclining destruction type Dangerous Rock Body administering method of the present invention, for Dangerous Rock Body volume in number
Thousand sides design between tens thousand of sides, carry out as steps described below：
The first step, the toe 2 to the Dangerous Rock Body 1（I.e.：The side slope or Dangerous Rock Body 1 of Dangerous Rock Body 1 are handed over lower stabilizer rock mass
Connect place part）Reinforced using curing agent, to improve the shearing strength and barrier performance of the toe 2；Reinforcing scope includes
The deposit of toe 2 is simultaneously deep into 15cm~40cm in lower sleeping soft stratum 3；The curing agent for being used is concrete, cement mortar
Or polymer Cement Composite Material；Curing uses grouting method, i.e., in the surface of toe 2 sprinkling irrigation concrete, the cement of Dangerous Rock Body 1
Mortar or polymer Cement Composite Material；
Second step, the trailing edge in Dangerous Rock Body 1（I.e.：Near the edge of the side of parent rock body 4）, under the lower section of tensile crack 5
The sleeping position of soft stratum 3, two draining flat hole 6 are opened up parallel to tensile crack 5（Certainly next row of horizontal hole can also be opened up）, water
The diameter of flat hole 6 is selected between 75 mm~200mm, and effective aperture size, pitch of holes and bore position determine according to calculating；
Crouch soft stratum 3 under each equal insertion of lateral aperture 6, to form the inverse mechanism of the deformation of Dangerous Rock Body 1, i.e.,：Make Dangerous Rock Body 1 produce with often
The rule opposite deformation of deformation direction, promotes Dangerous Rock Body 1 to produce the trend toppled over to trailing edge tensioning crack 5 and avoid occurring to toe
The avalanche in 2 directions, topple over and destruction of coming down；Further to promote Dangerous Rock Body 1 to produce the trend toppled over to trailing edge tensioning crack 5,
Can be to water filling in lateral aperture 6, the fast softening of lower sleeping soft stratum 3 where making lateral aperture 6；
3rd step, it is located at 1/2~2/3 position of the height of Dangerous Rock Body 1 in the outer surface of Dangerous Rock Body 1 and is horizontally disposed with 1 article（Or along perpendicular
It is a plurality of to interval setting）Reinforcing bar waistband 7, the reinforcing bar that reinforcing bar waistband 7 is used uses HRB400 screw-thread steels, and diameter should be according to structure
Body size and reinforcing steel bar bear situation are selected, general 20mm~32mm, and reinforcing bar waistband 7 and Dangerous Rock Body 1 and parent rock body 4 are connected by
The anchorage system of anchor pole 8, anchoring depth is about Dangerous Rock Body level to length 1/3；
4th step, dynamometer is set on reinforcing bar waistband 7, the safety for monitoring Dangerous Rock Body 1.
Claims (3)
1. a kind of Inclining destruction type Dangerous Rock Body administering method, it is characterised in that：Carry out as steps described below：
The first step, the toe to the Dangerous Rock Body are reinforced using curing agent, to improve the shearing strength of the toe and prevent
Ooze performance；Reinforcing scope include toe deposit and deeply under 15~40cm in sleeping soft stratum；
Second step, in the trailing edge of the Dangerous Rock Body, the lower sleeping soft stratum position below tensile crack, parallel to described
Drawing crack seam opens up lateral aperture, and crouch soft stratum under the lateral aperture insertion, to form the inverse mechanism of Dangerous Rock Body deformation, i.e.,：Make danger
Rock mass produce with conventional deformation deformation in opposite direction, promote Dangerous Rock Body to produce the trend toppled over to trailing edge tensioning crack and avoid
There is the avalanche to toe direction, topple over and destruction of coming down；
3rd step, the crag external surface be located at Dangerous Rock Body height 1/2~2/3 position at set horizontal reinforcement waistband, steel
The reinforcing bar that muscle waistband is used uses HRB400 screw-thread steels, a diameter of 20~32mm, reinforcing bar waistband to be vertically spaced along Dangerous Rock Body and set
1 ~ 3 is put, reinforcing bar waistband is connected by anchor rod anchored pattern with parent, anchoring depth is Dangerous Rock Body level to length 1/3；
4th step, on the reinforcing bar waistband dynamometer is set, for monitoring Dangerous Rock Body safety.
2. Inclining destruction type Dangerous Rock Body administering method according to claim 1, it is characterised in that：In the second step, to
Water filling in the lateral aperture, with the fast softening of sleeping soft stratum under promoting where lateral aperture.
3. Inclining destruction type Dangerous Rock Body administering method according to claim 1 and 2, it is characterised in that：The lateral aperture cloth
It is set to single or is arranged to upper and lower two row, a diameter of 75~200mm of lateral aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610047286.8A CN105672240B (en) | 2016-01-25 | 2016-01-25 | Inclining destruction type Dangerous Rock Body administering method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610047286.8A CN105672240B (en) | 2016-01-25 | 2016-01-25 | Inclining destruction type Dangerous Rock Body administering method |
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| CN105672240A CN105672240A (en) | 2016-06-15 |
| CN105672240B true CN105672240B (en) | 2017-06-27 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107326916A (en) * | 2017-07-31 | 2017-11-07 | 中铁大桥局集团第五工程有限公司 | A kind of rockfall means of defence |
| CN109556951B (en) * | 2019-01-09 | 2021-03-19 | 中国电建集团西北勘测设计研究院有限公司 | Mechanical testing device and method for underwater dumping deformation body of plate cracking hard rock |
| CN110004955A (en) * | 2019-05-15 | 2019-07-12 | 中国电建集团中南勘测设计研究院有限公司 | A kind of hydroelectric project topples over type Dangerous Rock Body joint safeguard structure and administering method |
| CN111811345B (en) * | 2020-06-29 | 2022-07-08 | 湖南省交通规划勘察设计院有限公司 | Stone breaking method for reducing road unstable steep slope dangerous rock mass catastrophe risk |
| CN114396060B (en) * | 2022-01-25 | 2023-06-06 | 中国铁道科学研究院集团有限公司 | Giant dangerous rock mass steel wire rope binding structure |
| CN114411773B (en) * | 2022-01-25 | 2023-06-06 | 中国铁道科学研究院集团有限公司 | Giant dangerous rock mass steel wire rope bundling construction method |
| CN115821888B (en) * | 2022-11-29 | 2024-07-02 | 中国海洋大学 | Repair method of sea corrosion column |
Citations (5)
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|---|---|---|---|---|
| US3849992A (en) * | 1972-06-05 | 1974-11-26 | Exchem Holdings | Reinforcing elements for stabilization of rocks |
| CN1884718A (en) * | 2006-05-31 | 2006-12-27 | 陈洪凯 | Support-anchor combined protection and harness method for dangerous rock |
| CN102660959A (en) * | 2012-05-31 | 2012-09-12 | 重庆大学 | Pulling reinforcement method for internal fissure of dangerous rock |
| CN102677685A (en) * | 2012-05-31 | 2012-09-19 | 重庆大学 | Surface fracture racheling and reinforcing method of dangerous rock |
| CN104563142A (en) * | 2015-01-05 | 2015-04-29 | 中国电建集团成都勘测设计研究院有限公司 | United protection structure for large toppling type dangerous rock and treatment method |
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|---|---|---|---|---|
| US3849992A (en) * | 1972-06-05 | 1974-11-26 | Exchem Holdings | Reinforcing elements for stabilization of rocks |
| CN1884718A (en) * | 2006-05-31 | 2006-12-27 | 陈洪凯 | Support-anchor combined protection and harness method for dangerous rock |
| CN102660959A (en) * | 2012-05-31 | 2012-09-12 | 重庆大学 | Pulling reinforcement method for internal fissure of dangerous rock |
| CN102677685A (en) * | 2012-05-31 | 2012-09-19 | 重庆大学 | Surface fracture racheling and reinforcing method of dangerous rock |
| CN104563142A (en) * | 2015-01-05 | 2015-04-29 | 中国电建集团成都勘测设计研究院有限公司 | United protection structure for large toppling type dangerous rock and treatment method |
Non-Patent Citations (2)
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Address after: 450003 Zhengzhou Jinshui Road, Henan, No. 109 Patentee after: Yellow River Survey Planning and Design Research Institute Co., Ltd. Address before: 450003 Zhengzhou Jinshui Road, Henan, No. 109 Patentee before: Yellow River Engineering Consulting Co., Ltd. |