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 PDFInfo
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- 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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- Prior art keywords
- flexible reinforcement
- soft rock
- layer
- side slope
- severely
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- 239000011435 rock Substances 0.000 title claims abstract description 54
- 230000002787 reinforcement Effects 0.000 title claims abstract description 33
- 239000002689 soil Substances 0.000 claims abstract description 14
- 240000000218 Cannabis sativa Species 0.000 claims abstract description 13
- 239000004746 geotextile Substances 0.000 claims abstract description 13
- 241000196324 Embryophyta Species 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 15
- 210000003205 Muscles Anatomy 0.000 claims description 14
- 238000009412 basement excavation Methods 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000005755 formation reaction Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract 1
- 230000000087 stabilizing Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 1
- 230000003014 reinforcing Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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
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.
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 |
Applications Claiming Priority (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 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102518136A true CN102518136A (en) | 2012-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103856655A Pending 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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| CN (1) | CN102518136A (en) |
Cited By (5)
| 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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| CN201473846U (en) * | 2009-08-18 | 2010-05-19 | 冯守中 | Anti-scouring structure for silt fill subgrade side slope |
| CN102154997A (en) * | 2011-05-23 | 2011-08-17 | 东南大学 | Ecotypic bank revetment structure |
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2011
- 2011-11-28 CN CN2011103856655A patent/CN102518136A/en active Pending
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| GB2309992A (en) * | 1996-02-09 | 1997-08-13 | Netlon Ltd | Providing a layer of soil on a non-horizontal face |
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| CN101078205A (en) * | 2007-07-20 | 2007-11-28 | 北京市水利科学研究所 | Reservoir bank ecological protection system |
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Cited By (9)
| 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 |