CN204676569U - The Anchor Care of the larger Dangerous Rock Body of a kind of rock side slope combines process structure - Google Patents
The Anchor Care of the larger Dangerous Rock Body of a kind of rock side slope combines process structure Download PDFInfo
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- CN204676569U CN204676569U CN201520230195.9U CN201520230195U CN204676569U CN 204676569 U CN204676569 U CN 204676569U CN 201520230195 U CN201520230195 U CN 201520230195U CN 204676569 U CN204676569 U CN 204676569U
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- side slope
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- rock body
- dangerous rock
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Abstract
The Anchor Care that the utility model relates to the larger Dangerous Rock Body of a kind of rock side slope combines process structure.The Anchor Care that the purpose of this utility model is to provide the larger Dangerous Rock Body of a kind of rock side slope combines process structure, carry out effective Anchor Care when Dangerous Rock Body does not possess and excavates condition and combine process, interrelated between anchoring and protective treatment, auxiliary, to ensure long-term stability and the construction safety of Dangerous Rock Body.The technical solution of the utility model is: the Anchor Care of the larger Dangerous Rock Body of a kind of rock side slope combines process structure, there is larger Dangerous Rock Body in described rock side slope, it is characterized in that: enclose fore shaft grouting rock bolt along Dangerous Rock Body periphery one, fore shaft grouting rock bolt hangs active protecting net; Side slope within the scope of Dangerous Rock Body is squeezed into pattern rock dowel alternate in length and breadth, within the scope of Dangerous Rock Body, again hang steel mesh reinforcement and be welded and fixed with the fore shaft grouting rock bolt of pattern rock dowel and periphery simultaneously.
Description
Technical field
The Anchor Care that the utility model relates to the larger Dangerous Rock Body of a kind of rock side slope combines process structure, be specially adapted to because of the larger Dangerous Rock Body that the off-load factor such as to open is formed on rock side slope, and the anchoring taked when not possessing and excavating condition and protect the process structure combined.
Background technology
Current China carries out Energy restructuring, along with expanding economy, a collection of Hydraulic and Hydro-Power Engineering or be about to build.In order to ensure that Hydraulic and Hydro-Power Engineering project playout rationally and the longtime running safety of engineering, needs in engineering construction to carry out rockmass high slope excavation and supporting.Slope retaining comparatively excavates more wastes time and energy, and Practical Project is guarantee engineering overall progress in building, and is difficult to accomplish slope excavation one-level supporting one-level, sets up framed bent again and carry out slope system supporting after slope excavation of being everlasting.Because there is a timing difference between every grade of slope excavation completes and supporting completes, particularly affect by Rock Mass Unloading in the place that geological conditions is poor, the relatively large Dangerous Rock Body of new scope is formed on domatic before system supporting is not formed, but because the existence of domatic framed bent and the impact of bottom normal construction should not take explosion to excavate process, the existence of Dangerous Rock Body affects construction safety, must effectively process in time.Though independent system anchor bolt treatment measures are comparatively difficult to ensure card construction period of Dangerous Rock Body and runtime safety and adopt system anchor cable supporting effect better, the time of implementing is longer, is difficult to ensure that construction period Dangerous Rock Body does not produce and collapses.
Summary of the invention
The technical problems to be solved in the utility model is: for the problems referred to above, the Anchor Care of the larger Dangerous Rock Body of a kind of rock side slope is provided to combine process structure, carry out effective Anchor Care when Dangerous Rock Body does not possess and excavates condition and combine process, interrelated between anchoring and protective treatment, auxiliary, to ensure long-term stability and the construction safety of Dangerous Rock Body.
The technical scheme that the utility model adopts is: the Anchor Care of the larger Dangerous Rock Body of a kind of rock side slope combines process structure, there is larger Dangerous Rock Body in described rock side slope, it is characterized in that: enclose fore shaft grouting rock bolt along Dangerous Rock Body periphery one, fore shaft grouting rock bolt hangs active protecting net; Side slope within the scope of Dangerous Rock Body is squeezed into pattern rock dowel alternate in length and breadth, within the scope of Dangerous Rock Body, again hang steel mesh reinforcement and be welded and fixed with the fore shaft grouting rock bolt of pattern rock dowel and periphery simultaneously.
The fore shaft grouting rock bolt specification of described Dangerous Rock Body surrounding is C32, L=9.0m, and spacing is 1.0m; Described active protecting net adopts GPS type; Described pattern rock dowel specification is C28, L=6.0m and C32, and L=9.0m interval is arranged, an array pitch is 2.0 × 2.0m; Described steel mesh reinforcement specification is C12, spacing 20 × 20cm.
The beneficial effects of the utility model are: 1, the utility model is by taking the treatment measures be a set ofly associated, auxiliary anchoring combines with protection, carries out rapid integrated process to rock side slope not possessing the larger Dangerous Rock Body excavating treatment conditions; 2, the utility model is as a kind of emergent management measure, and have more safety guarantee relative to independent grouting rock bolt supporting or active protecting net protection, it does not affect normal excavation, the supporting construction of adjacent cells and bottom side slope simultaneously.
Accompanying drawing explanation
Fig. 1 is layout schematic diagram of the present utility model.
Detailed description of the invention
As shown in Figure 1, the present embodiment is that the Anchor Care of the larger Dangerous Rock Body of a kind of rock side slope combines process structure, is applied to the anchoring process of larger Dangerous Rock Body on rock side slope.The rock side slope 1 excavated occurs not possessing the larger Dangerous Rock Body 2 excavating condition, and for ensureing that Dangerous Rock Body 2 is stablized and construction safety, need take comprehensive Anchor Care process to Dangerous Rock Body 2, concrete treatment measures are:
The first step, arranges a circle fore shaft grouting rock bolt 3 in Dangerous Rock Body 2 surrounding, plays fore shaft, the effect of lock pin, and plays fixation to the active protecting net 4 implemented below;
Second step, utilizes the fore shaft grouting rock bolt 3 arranged to hang active protecting net 4, forms initial stage safety net and protects Dangerous Rock Body 2, ensures the construction safety during Dangerous Rock Body 2 process;
3rd step, takes pattern rock dowel 5 supporting to the side slope in Dangerous Rock Body 2 scope;
4th step, again hangs steel mesh reinforcement 6 and protects in Dangerous Rock Body 2 scope, steel mesh reinforcement 6 and Dangerous Rock Body 2 periphery fore shaft grouting rock bolt 3 and pattern rock dowel 5 firm welding.
In the present embodiment, anchoring between fore shaft grouting rock bolt 3, active protecting net 4, pattern rock dowel 5, steel mesh reinforcement 6 and protective treatment measure interrelated, assist each other, by rapid integrated process, effective anchoring and protection are forced to larger Dangerous Rock Body, ensure long-term stability and the construction safety of Dangerous Rock Body 2, do not affect normal excavation, the supporting construction of adjacent cells and bottom side slope simultaneously.
Wherein, the nominal diameter of fore shaft grouting rock bolt 3, pattern rock dowel 5, length and spacing, steel mesh reinforcement 6 reinforcing bar nominal diameter, spacing, active protecting net 4 specification can be determined according to Dangerous Rock Body 2 scope and potential safety hazard size thereof.The present embodiment is in order to carry out effective anchoring to Dangerous Rock Body 2, and fore shaft grouting rock bolt 3 specification of Dangerous Rock Body 2 periphery is C32, L=9.0m, and spacing is 1.0m; Active protecting net 4 adopts GPS type; Pattern rock dowel 5 specification is C28, L=6.0m and C32, and L=9.0m interval is arranged, an array pitch is 2.0 × 2.0m; Steel mesh reinforcement 6 specification is C12, and spacing is 20 × 20cm.
Claims (2)
1. the Anchor Care of the larger Dangerous Rock Body of rock side slope combines process structure, there is larger Dangerous Rock Body (2) in described rock side slope (1), it is characterized in that: enclose fore shaft grouting rock bolt (3) along Dangerous Rock Body (2) periphery one, fore shaft grouting rock bolt hangs active protecting net (4); Side slope in Dangerous Rock Body (2) scope is squeezed into pattern rock dowel (5) alternate in length and breadth, in Dangerous Rock Body (2) scope, again hang steel mesh reinforcement (6) and be welded and fixed with the fore shaft grouting rock bolt (3) of pattern rock dowel (5) and periphery simultaneously.
2. the Anchor Care of the larger Dangerous Rock Body of rock side slope according to claim 1 combines process structure, it is characterized in that: fore shaft grouting rock bolt (3) specification of described Dangerous Rock Body (2) surrounding is C32, L=9.0m, and spacing is 1.0m; Described active protecting net (4) adopts GPS type; Described pattern rock dowel (5) specification is C28, L=6.0m and C32, and L=9.0m interval is arranged, an array pitch is 2.0 × 2.0m; Described steel mesh reinforcement (6) specification is C12, spacing 20 × 20cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520230195.9U CN204676569U (en) | 2015-04-16 | 2015-04-16 | The Anchor Care of the larger Dangerous Rock Body of a kind of rock side slope combines process structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520230195.9U CN204676569U (en) | 2015-04-16 | 2015-04-16 | The Anchor Care of the larger Dangerous Rock Body of a kind of rock side slope combines process structure |
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| CN204676569U true CN204676569U (en) | 2015-09-30 |
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| CN201520230195.9U Active CN204676569U (en) | 2015-04-16 | 2015-04-16 | The Anchor Care of the larger Dangerous Rock Body of a kind of rock side slope combines process structure |
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Cited By (2)
| 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 |
| CN109681251A (en) * | 2018-12-30 | 2019-04-26 | 中国电建集团华东勘测设计研究院有限公司 | Full face tunneling weak soil tunnel face glass fibre Soil Anchor Design method |
-
2015
- 2015-04-16 CN CN201520230195.9U patent/CN204676569U/en active Active
Cited By (2)
| 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 |
| CN109681251A (en) * | 2018-12-30 | 2019-04-26 | 中国电建集团华东勘测设计研究院有限公司 | Full face tunneling weak soil tunnel face glass fibre Soil Anchor Design method |
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