CN204185869U - A kind of roadbed height hangs the safeguard structure of crag side slope suddenly by the feet - Google Patents
A kind of roadbed height hangs the safeguard structure of crag side slope suddenly by the feet Download PDFInfo
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- CN204185869U CN204185869U CN201420637246.5U CN201420637246U CN204185869U CN 204185869 U CN204185869 U CN 204185869U CN 201420637246 U CN201420637246 U CN 201420637246U CN 204185869 U CN204185869 U CN 204185869U
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- rock body
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Abstract
The utility model discloses the safeguard structure that a kind of roadbed height hangs crag side slope suddenly by the feet, hanging the roadbed medial support structure (1) arranging concrete structure inside the roadbed of Dangerous Rock Body (4) below by the feet, this roadbed medial support structure (1) is close to roadbed inslope and is closely affixed with Dangerous Rock Body (4) bottom surface of hanging by the feet above roadbed; This roadbed medial support structure (1) is provided with the connection anchor pole (2) be closely connected with inslope, hangs Dangerous Rock Body (4) by the feet and is provided with prestress anchorage cable (3).Roadbed height of the present utility model hangs the safeguard structure of crag side slope by the feet suddenly for build certain thickness concrete structure inside former roadbed, and adopts anchor pole and inslope compact siro spinning technology, carries out bracing reinforcement to the Dangerous Rock Body of hanging by the feet of high gradient slope.Grow further for preventing Dangerous Rock Body crack and guarantee to hang by the feet the stability of side slope, hang crag scope of growing by the feet in side slope and arrange prestressed anchor reinforcement, structure is simple, safe and reliable, effectively convenient, is worthy to be popularized.
Description
Technical field
The utility model relates to the safeguard structure that a kind of roadbed height hangs crag side slope suddenly by the feet, and what belong to roadbed side slope safeguard structure constructs technical field.
Background technology
At high-mountain gorge areas, highway or railway engineering generally all exist that side slope is high, the gradient is steep, local hangs the features such as upright by the feet, and crack particularly relief joint is comparatively grown, danger stone, Dangerous Rock Body ubiquity, and distribute bits sets high, and volume is large, poor stability.
Conventional method for general Dangerous Rock Body Slope Treatment is blasting elimination, but suddenly hangs crag side slope by the feet for this height, and this kind of method can be faced adverse conditions: 1, height hangs crag unload slope cranny development suddenly by the feet, and volume is large, and blast working safety problem is given prominence to; 2, height is suddenly hung crag slope blasting by the feet the generous amount of large area may be caused to collapse, to interrupt or damage below side slope and outside existing roadbed, cause some strategic road to protect logical, and jeopardize below side slope and outside building construction safety, cause bad social influence; 3, height hangs crag side slope by the feet suddenly after explosion, may cause the generation in new crack and the further growth of primary fissure gap, even threaten the monolithic stability of side slope, for potential safety hazard is buried in the operation of highway later stage.Therefore, it is necessary for improving this conventional method or separately ward off new footpath.
Utility model content
The purpose of this utility model is to provide a kind of roadbed height suddenly to hang the safeguard structure of crag side slope by the feet, reduces society's interference and reduces construction, operation security risk, to overcome the deficiencies in the prior art in Shi highway and railway engineering.
For realizing the purpose of this utility model, the technical solution adopted in the utility model is:
A kind of roadbed height hangs the safeguard structure of crag side slope suddenly by the feet, it is hanging the roadbed medial support structure arranging concrete structure below Dangerous Rock Body inside roadbed by the feet, and this roadbed medial support structure is close to roadbed inslope and is closely affixed with the Dangerous Rock Body bottom surface of hanging by the feet above roadbed; This roadbed medial support structure is provided with the connection anchor pole be closely connected with inslope, hangs Dangerous Rock Body by the feet and is provided with prestress anchorage cable.Roadbed medial support structure, connection anchor pole and prestress anchorage cable form protection body jointly.
Roadbed medial support structural base is placed in the below of road surface, if there is road to increase situation about rebuilding, roadbed medial support structural base should through rebuilding road surface deeply to the below in original path face.Such roadbed medial support structure and road and hang Dangerous Rock Body by the feet and mutually support, increase protection reliability.
Prestress anchorage cable arranges scope and grows scope for hanging crag fissure-plane by the feet.By boring through soft stratum or slide plane, one end is anchored in hard rock stratum, and then anchor head carries out stretch-draw outside, thus carries out anchoring to rock stratum applying pressure to unstable rock mass.
Roadbed height of the present utility model hangs the safeguard structure of crag side slope by the feet suddenly for build certain thickness concrete structure inside former roadbed, and adopts anchor pole and inslope compact siro spinning technology, carries out bracing reinforcement to the Dangerous Rock Body of hanging by the feet of high gradient slope.Grow further for preventing Dangerous Rock Body crack and guarantee to hang by the feet the stability of side slope, hanging crag scope of growing by the feet in side slope and prestressed anchor reinforcement is set.Owing to have employed technique scheme, roadbed height of the present utility model hangs the safeguard structure of crag side slope suddenly by the feet, the original road normal pass in side slope bottom and outside and building construction safety can not only be affected during construction, construction, operation security risk can also be reduced, guarantee the carrying out that engineering safety is effectively orderly.The utility model structure is simple, safe and reliable, effectively convenient, is worthy to be popularized.
Accompanying drawing explanation
Fig. 1 is safeguard structure schematic diagram of the present utility model.
Description of reference numerals: 1-roadbed medial support structure, 2-connects anchor pole, 3-prestress anchorage cable, and 4-hangs Dangerous Rock Body by the feet, and 5-hangs crag fissure-plane by the feet, and 6-original path face, 7-rebuilds road surface.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As can see from Figure 1, roadbed height of the present utility model hangs the safeguard structure of crag side slope suddenly by the feet, comprise the roadbed medial support structure 1 of concrete structure, roadbed medial support structure 1 is close to roadbed inslope, and with roadbed above hang Dangerous Rock Body 4 bottom surface by the feet and be closely affixed.The side slope basement rock arranged in roadbed medial support structure 1 after connecting anchor pole 2 and roadbed carries out anchoring, and in addition, hang by the feet in Dangerous Rock Body 4 and be provided with prestress anchorage cable 3 above roadbed, this prestress anchorage cable 3 is arranged in the growth scope of hanging crag fissure-plane 5 by the feet.
See Fig. 1, when implementing the roadbed medial support structure 1 of concrete structure, first side slope weeds rubble in roadbed is removed, and connection anchor pole 2 is set in side slope, expose 1/3rd, to ensure that concrete structure is closely connected with roadbed inslope, when implementing roadbed medial support structure 1, Concrete Filled need be adopted by hanging by the feet above roadbed medial support structure 1 end face and roadbed between Dangerous Rock Body 4 bottom surface, ensureing closely to be affixed with both.Hang by the feet in crag side slope and prestress anchorage cable 3 is set, be arranged in and hang crag fissure-plane 5 by the feet and grow scope.Prestress anchorage cable 3 can determine anchor cable type as required, can adopt non-bonding prestress tendon.Connect anchor pole 2 by the roadbed medial support structure 1 of concrete structure, roadbed inslope and hang crag side slope prestress anchorage cable 3 by the feet and reach and make roadbed height suddenly hang crag slope stabilization object by the feet.
When the utility model is implemented, as shown in Figure 1, implement by following key step:
(1) high distribution and the volume situation of suddenly hanging scope that crag fissure-plane 5 grows, trend, width situation by the feet and hanging Dangerous Rock Body 4 by the feet of prospecting;
(2) to distribute and volume computing goes out the thickness of roadbed medial support structure 1 according to hanging Dangerous Rock Body 4 by the feet;
(3) requiring lower to hang Dangerous Rock Body 4 stability by the feet according to hanging the trend of crag fissure-plane 5, width situation and design load (containing earthquake) by the feet, determining the tonnage of hanging crag side slope prestress anchorage cable 3 by the feet and restrainting number;
(4) determine that hanging crag side slope prestress anchorage cable 3 by the feet arranges scope and arrangement according to hanging crag fissure-plane 5 scope of growing by the feet;
(5) connection anchor pole 2 is set according to needs side slope in roadbed of anatomical connectivity and connects roadbed medial support structure 1 and roadbed inslope, then carry out concreting and grouting treatment according to actual conditions.
Certainly, more than just embody rule example of the present utility model, the technical scheme that the utility model also has other embodiment, all employings to be equal to replacement or equivalent transformation to be formed, all drops within the protection domain required by the utility model.
Claims (3)
1. the high safeguard structure of suddenly hanging crag side slope by the feet of roadbed, it is characterized in that: hanging the roadbed medial support structure (1) arranging concrete structure inside the roadbed of Dangerous Rock Body (4) below by the feet, this roadbed medial support structure (1) is close to roadbed inslope and is closely affixed with Dangerous Rock Body (4) bottom surface of hanging by the feet above roadbed; This roadbed medial support structure (1) is provided with the connection anchor pole (2) be closely connected with inslope, hangs Dangerous Rock Body (4) by the feet and is provided with prestress anchorage cable (3).
2. roadbed height according to claim 1 hangs the safeguard structure of crag side slope suddenly by the feet, it is characterized in that: described roadbed medial support structure (1) bottom is through rebuilding road surface (7) deeply to the below of original path face (6).
3. roadbed height according to claim 1 hangs the safeguard structure of crag side slope suddenly by the feet, it is characterized in that: described prestress anchorage cable (3) arranges scope and grows scope for hanging crag fissure-plane (5) by the feet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420637246.5U CN204185869U (en) | 2014-10-30 | 2014-10-30 | A kind of roadbed height hangs the safeguard structure of crag side slope suddenly by the feet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420637246.5U CN204185869U (en) | 2014-10-30 | 2014-10-30 | A kind of roadbed height hangs the safeguard structure of crag side slope suddenly by the feet |
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| Publication Number | Publication Date |
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| CN204185869U true CN204185869U (en) | 2015-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420637246.5U Active CN204185869U (en) | 2014-10-30 | 2014-10-30 | A kind of roadbed height hangs the safeguard structure of crag side slope suddenly by the feet |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108179911A (en) * | 2018-03-08 | 2018-06-19 | 中国地质科学院探矿工艺研究所 | Collapse prevention and control project self-adaptive support structure and method |
| CN108203984A (en) * | 2017-12-30 | 2018-06-26 | 武汉理工大学 | A kind of Dangerous Rock Body bolting with wire mesh method |
| CN110565664A (en) * | 2019-09-29 | 2019-12-13 | 中国电建集团成都勘测设计研究院有限公司 | Protective structure and treatment method for side slope inverted suspension |
| CN111945749A (en) * | 2020-07-25 | 2020-11-17 | 重庆六零七工程勘察设计有限公司 | Dangerous rock support and support treatment method applying same |
| CN112442994A (en) * | 2020-09-22 | 2021-03-05 | 中国水电顾问集团贵阳勘测设计研究院岩土工程有限公司 | Micro pile and anchor cable combined supporting structure for treating dangerous rock mass and construction method thereof |
| CN112681347A (en) * | 2020-12-24 | 2021-04-20 | 中国水电顾问集团贵阳勘测设计研究院岩土工程有限公司 | Combined supporting structure for treating dangerous rock mass and construction method thereof |
-
2014
- 2014-10-30 CN CN201420637246.5U patent/CN204185869U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108203984A (en) * | 2017-12-30 | 2018-06-26 | 武汉理工大学 | A kind of Dangerous Rock Body bolting with wire mesh method |
| CN108179911A (en) * | 2018-03-08 | 2018-06-19 | 中国地质科学院探矿工艺研究所 | Collapse prevention and control project self-adaptive support structure and method |
| CN110565664A (en) * | 2019-09-29 | 2019-12-13 | 中国电建集团成都勘测设计研究院有限公司 | Protective structure and treatment method for side slope inverted suspension |
| CN111945749A (en) * | 2020-07-25 | 2020-11-17 | 重庆六零七工程勘察设计有限公司 | Dangerous rock support and support treatment method applying same |
| CN112442994A (en) * | 2020-09-22 | 2021-03-05 | 中国水电顾问集团贵阳勘测设计研究院岩土工程有限公司 | Micro pile and anchor cable combined supporting structure for treating dangerous rock mass and construction method thereof |
| CN112681347A (en) * | 2020-12-24 | 2021-04-20 | 中国水电顾问集团贵阳勘测设计研究院岩土工程有限公司 | Combined supporting structure for treating dangerous rock mass and construction method thereof |
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