CN102518136A - Flexible reinforcement combination protection structure for controlling humidification and damage for soft rock strong weathering zone - Google Patents

Flexible reinforcement combination protection structure for controlling humidification and damage for soft rock strong weathering zone Download PDF

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Publication number
CN102518136A
CN102518136A CN2011103856655A CN201110385665A CN102518136A CN 102518136 A CN102518136 A CN 102518136A CN 2011103856655 A CN2011103856655 A CN 2011103856655A CN 201110385665 A CN201110385665 A CN 201110385665A CN 102518136 A CN102518136 A CN 102518136A
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China
Prior art keywords
flexible reinforcement
soft rock
layer
side slope
severely
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Pending
Application number
CN2011103856655A
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Chinese (zh)
Inventor
刘龙武
张锐
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Changsha University of Science and Technology
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Changsha University of Science and Technology
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Publication date
Application filed by Changsha University of Science and Technology filed Critical Changsha University of Science and Technology
Priority to CN2011103856655A priority Critical patent/CN102518136A/en
Publication of CN102518136A publication Critical patent/CN102518136A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a flexible reinforcement combination protection structure for controlling humidification and damage for a soft rock strong weathering zone. In the invention, in a residual soil layer (1) arranged at the upper part of a side slope, an excavated surface is laid with a first layer of geotextile (7) and spread plant loam (6), and is planted with grass; a soft rock of a strong weathering rock zone (2) arranged at the middle part of the side slope is reinforced by a flexible reinforcement retaining structure; and a weak weathering soft rock (3) arranged at the lower part of the side slope is protected by three-dimensional planting grass (5). The flexible reinforcement retaining combination protection structure is capable of stabilizing the side slope and greatly reducing the work amount, is simple and convenient in technology, rapid in construction speed, economical and environment-friendly, and can be used for resisting humidification and damage for the soft rock side slope strong weathering zone.

Description

A kind of flexible reinforcement combination safeguard structure of preventing and treating the severely-weathered band humidifying destruction of soft rock
Technical field
The present invention relates to a kind of highway cutting slope supporting and safeguard structure thing, particularly relate to a kind of flexible reinforcement combination safeguard structure that the severely-weathered band humidifying of soft rock is destroyed of preventing and treating.
Background technology
Red soft rock usually is prone to form residual soil and the severely-weathered rock zone of a thickness at 6m-10m at suitable weathering position; When the severely-weathered rock zone of soft rock contains local backwater; The red soft rock of severely-weathered rock zone is often by humidifying; In case excavation, then often with severely-weathered rock zone for cutting mouth, the generation shallow-layer destruction of caving in.Sometimes, also can be owing to the severely-weathered rock zone of soft rock is caused such destruction of caving in by the humidifying of rainfall infiltration behind the worker.At present for preventing that the destruction of such excavation slope from often adopting the anchor bolt frame beam that side slope is reinforced, but the anchor bolt frame beam is reinforced not only complex process, speed of application is slow, cost is high, still can destroy because of anchor-holding force of anchor bolt loses efficacy sometimes.The severely-weathered rock zone humidifying of soft rock weathering side slope is destroyed, mainly be since be positioned at soft rock that side slope remains the severely-weathered rock zone soil layer under by humidifying after shear strength reduce, thereby cause excavation slope the shearing sliding failure to take place along severely-weathered rock zone.
Summary of the invention
Technical problem to be solved by this invention provides that a kind of stability of slope greatly reduces engineering quantity again and technology is easy, speed of application is fast, the flexible reinforcement that the severely-weathered rock zone humidifying of anti-soft rock side slope destroys that is used for of economic environmental protection props up retaining combination safeguard structure.
In order to solve the problems of the technologies described above; The flexible reinforcement combination safeguard structure that the severely-weathered band humidifying of control soft rock provided by the invention is destroyed; The soil layer that remains on side slope top is employed in and is equipped with the first individual layer geotextiles on the excavation face, on the described first individual layer geotextiles, is covered with and plants loam and grass planting; The soft rock of the severely-weathered rock zone at side slope middle part adopts flexible reinforcement retaining structure to reinforce; The weak weathering soft rock of side slope bottom adopts three-dimensional grass planting protection.
The structure of described flexible reinforcement retaining structure is in the bottom of described severely-weathered rock zone permeable basal layer to be set; Described permeable basal layer is made up of the gravelly soil compacted lift; Excavation has sewer under described gravelly soil, and described sewer is formed through on the waterproof geotextiles, being equipped with flexible porous tube and being filled with rubble; In whole described flexible reinforcement retaining structure, be equipped with the muscle material; Every layer described muscle material all surpasses the width of described flexible reinforcement retaining structure; Anti-package is to last layer, and is connected with the muscle material of last layer, and every layer of described muscle material used the backfill backfill compacting that is excavated; Be provided with platform and gutter at the top of described flexible reinforcement retaining structure, described table top is added by the second individual layer geotextiles plants loam and constitutes.
Described muscle material is a GSZ.
Adopt the flexible reinforcement combination safeguard structure of the severely-weathered band humidifying destruction of control soft rock of technique scheme; Only use flexible reinforcement retaining structure to reinforce at severely-weathered rock zone; Remain soil layer and weak-weathered rock band in the soft rock side slope then adopt grass planting and the protection of three-dimensional grass planting respectively; The engineering measure of reinforcing and protecting is with strong points; Not only guaranteed stability of slope but also greatly reduced the engineering quantity of flexible reinforcement retaining structure, with at present effectively anchor bolt frame beam scheme relatively, easy, advantages such as speed of application is fast, economic environmental protection possess skills.
In sum, the present invention is that a kind of stability of slope greatly reduces engineering quantity again and technology is easy, speed of application is fast, the flexible reinforcement that is used for the severely-weathered rock zone humidifying destruction of anti-soft rock side slope of economic environmental protection props up retaining combination safeguard structure.
Description of drawings
Fig. 1 is a structural representation of the present invention.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is described further.
Referring to Fig. 1; Severely-weathered rock zone humidifying according to soft rock weathering side slope is destroyed; Mainly be since be positioned at soft rock that side slope remains the severely-weathered rock zone 2 under the soil layer 1 by humidifying after shear strength reduce, thereby cause excavation slope the rule of sliding failure to take place to shear along severely-weathered rock zone, the present invention adopts assembled scheme to protect; This assembled scheme characteristic is: the remaining soil layer 1 and self can stablize of side slope top; Therefore adopt the grass planting protection, promptly on the excavation face, lay one first individual layer geotextiles 7, sod loam 6 and grass planting in the first individual layer geotextiles 7 one again; The soft rock of the severely-weathered rock zone 2 at side slope middle part adopts flexible reinforcement retaining structure to reinforce; The weak weathering soft rock of side slope bottom adopts three-dimensional grass planting 5 protection, and the side slope bottom is provided with road surface gutter 13.Flexible reinforcement retaining structure has following characteristic: the bottom of flexible reinforcement retaining structure is permeable basal layer; Permeable basal layer is made up of gravelly soil 8 compacted lifts; Permeable basal layer is arranged on the bottom of severely-weathered rock zone 2; Permeable basal layer excavation down has sewer, and sewer forms through laying flexible porous tube 14 on waterproof geotextiles 4 and filling rubble 15; In whole flexible reinforcement retaining structure, lay muscle material 9; Muscle material 9 adopts GSZ, and every layer muscle material 9 all surpasses the width of sewer, and anti-package is to last layer; And be connected with the muscle material 9 of last layer; Backfill 10 backfill compactings that every layers of reinforcement material 9 usefulness are excavated are provided with platform and catchwater 12 at flexible reinforcement retaining structure top, and table top is added by the second individual layer geotextiles 11 plants loam and constitute.
Referring to Fig. 1; The present invention only uses flexible reinforcement retaining structure to reinforce at severely-weathered rock zone; Remain soil layer and weak-weathered rock band in the soft rock side slope then adopt grass planting and the protection of three-dimensional grass planting respectively, reinforce and the engineering measure of protection with strong points, not only guaranteed stability of slope but also greatly reduced the engineering quantity of flexible reinforcement retaining structure; Compare with at present effective anchor bolt frame beam scheme, easy, advantages such as speed of application is fast, economic environmental protection possess skills.

Claims (3)

1. prevent and treat the flexible reinforcement combination safeguard structure that the severely-weathered band humidifying of soft rock is destroyed for one kind; It is characterized in that: the soil layer (1) that remains on side slope top is employed in and is equipped with the first individual layer geotextiles (7) on the excavation face, on the described first individual layer geotextiles (7), is covered with and plants loam (6) and grass planting; The soft rock of the severely-weathered rock zone (2) at side slope middle part adopts flexible reinforcement retaining structure to reinforce; The weak weathering soft rock (3) of side slope bottom adopts three-dimensional grass planting (5) protection.
2. the flexible reinforcement combination safeguard structure that the severely-weathered band humidifying of control soft rock according to claim 1 is destroyed; It is characterized in that: the structure of described flexible reinforcement retaining structure is in the bottom of described severely-weathered rock zone (2) permeable basal layer to be set; Described permeable basal layer is made up of gravelly soil (8) compacted lift; Excavation has sewer under described gravelly soil (8), and described sewer is formed through on waterproof geotextiles (4), being equipped with flexible porous tube (14) and being filled with rubble (15); In whole described flexible reinforcement retaining structure, be equipped with muscle material (9); Every layer described muscle material (9) all surpasses the width of described flexible reinforcement retaining structure; Anti-package is to last layer, and is connected with the muscle material (9) of last layer, and every layer of described muscle material (9) used backfill (10) backfill compacting that is excavated; Be provided with platform and catchwater (12) at the top of described flexible reinforcement retaining structure, described table top is added by the second individual layer geotextiles (11) plants the loam formation.
3. the flexible reinforcement combination safeguard structure that the severely-weathered band humidifying of control soft rock according to claim 2 is destroyed, it is characterized in that: described muscle material (9) is a GSZ.
CN2011103856655A 2011-11-28 2011-11-28 Flexible reinforcement combination protection structure for controlling humidification and damage for soft rock strong weathering zone Pending CN102518136A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011103856655A CN102518136A (en) 2011-11-28 2011-11-28 Flexible reinforcement combination protection structure for controlling humidification and damage for soft rock strong weathering zone

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Application Number Priority Date Filing Date Title
CN2011103856655A CN102518136A (en) 2011-11-28 2011-11-28 Flexible reinforcement combination protection structure for controlling humidification and damage for soft rock strong weathering zone

Publications (1)

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CN102518136A true CN102518136A (en) 2012-06-27

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103046563A (en) * 2013-01-18 2013-04-17 朱维伟 Ecological landscape slope system conducive to implementation of artistical wall painting
CN103898844A (en) * 2014-02-20 2014-07-02 长沙理工大学 Rubble stone stack and reinforced soil composite embankment culvert pipe structure
CN104818734A (en) * 2015-05-13 2015-08-05 广东省长大公路工程有限公司 Waterproof and drainage system capable of preventing completely weathered granite slope water damage and construction method of system
CN104831747A (en) * 2015-04-16 2015-08-12 长沙理工大学 Concrete mould bag retaining wall
CN105625444A (en) * 2016-03-14 2016-06-01 攀枝花学院 Impermeable surface layer structure for soil slope

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GB2309992A (en) * 1996-02-09 1997-08-13 Netlon Ltd Providing a layer of soil on a non-horizontal face
CN1880587A (en) * 2005-06-17 2006-12-20 长沙理工大学 Flexible reinforced retaining structure and construction method therefor
CN101078205A (en) * 2007-07-20 2007-11-28 北京市水利科学研究所 Reservoir bank ecological protection system
CN201473846U (en) * 2009-08-18 2010-05-19 冯守中 Anti-scouring structure for silt fill subgrade side slope
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103046563A (en) * 2013-01-18 2013-04-17 朱维伟 Ecological landscape slope system conducive to implementation of artistical wall painting
CN103046563B (en) * 2013-01-18 2015-06-10 昆明学院 Ecological landscape slope system conducive to implementation of artistical wall painting
CN103898844A (en) * 2014-02-20 2014-07-02 长沙理工大学 Rubble stone stack and reinforced soil composite embankment culvert pipe structure
CN103898844B (en) * 2014-02-20 2016-01-13 长沙理工大学 A kind of slabstone buttress reinforced earth compound embankment culvert pipe structure
CN104831747A (en) * 2015-04-16 2015-08-12 长沙理工大学 Concrete mould bag retaining wall
CN104831747B (en) * 2015-04-16 2017-06-06 长沙理工大学 A kind of concrete film bag retaining wall
CN104818734A (en) * 2015-05-13 2015-08-05 广东省长大公路工程有限公司 Waterproof and drainage system capable of preventing completely weathered granite slope water damage and construction method of system
CN104818734B (en) * 2015-05-13 2016-04-20 广东省长大公路工程有限公司 Control completely decomposed granite side slope damage by water waterproof and water drainage system and construction method thereof
CN105625444A (en) * 2016-03-14 2016-06-01 攀枝花学院 Impermeable surface layer structure for soil slope

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Application publication date: 20120627