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A construction method of prestressed anchor cable structure suitable for broken rock mass

A technology of prestressed anchor cable and construction method, which is applied in the direction of foundation structure engineering, building, sheet pile wall, etc., can solve problems such as poor stability of anchor cable structure, and achieve the effect of improving stability and strengthening stability

Active Publication Date: 2021-09-28
浙江华东工程咨询有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of the related technologies mentioned above, the inventor believes that the conventional anchor cable structure will have the disadvantage of poor stability of the anchor cable structure when used in broken rock mass, so it is necessary to improve the traditional anchor cable structure

Method used

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  • A construction method of prestressed anchor cable structure suitable for broken rock mass
  • A construction method of prestressed anchor cable structure suitable for broken rock mass
  • A construction method of prestressed anchor cable structure suitable for broken rock mass

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Embodiment Construction

[0047] The following is attached Figure 1-4 The application is described in further detail.

[0048] The noose 2 is an unbonded prestressed steel strand, and the steel strand is covered with a sheath formed by a PE pipe, and grease for anticorrosion is filled between the steel strand and the sheath.

[0049] The embodiment of the present application discloses an anchor cable structure suitable for breaking rock mass. refer to figure 1 , 2 , connected in the anchor cable hole 1, including a filling layer filled in the anchor cable hole 1, an anchor pier 19 fixedly connected outside the anchor cable hole 1, and a number of ropes 2 anchored between the filling layer and the anchor pier 19, filling A wall protection piece is arranged between the layer and the hole wall of the anchor cable hole 1 , and the wall protection piece includes a heel sleeve 3 coaxial with the anchor cable hole 1 and a hollow wall protection layer 4 .

[0050] The depth dimension of anchor cable hole ...

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Abstract

The application relates to a prestressed anchor cable structure suitable for broken rock mass and a construction method thereof. A prestressed anchor cable structure suitable for broken rock mass is connected to the anchor cable hole, which includes a filling layer filled in the anchor cable hole, an anchor pier fixedly connected outside the anchor cable hole, and anchored between the filling layer and the anchor pier Between the several ropes, the wall protection part is fixedly connected between the filling layer and the wall of the anchor cable hole, and the wall protection part includes a heel casing coaxial with the anchor cable hole and a hollow wall protection layer, and the wall protection layer and the heel casing are along the The axial directions of the anchor cable holes are set in sequence. This application has the effect of good stability.

Description

technical field [0001] The present application relates to the field of earth-rock slope reinforcement technology, in particular to a prestressed anchor cable structure suitable for broken rock mass and a construction method thereof. Background technique [0002] The anchor cable is fixed on the slope surface through the outer end, and the other end is anchored in the stable rock mass within the sliding surface, passing through the prestressed steel strand on the sliding surface of the slope, directly generating anti-sliding resistance on the sliding surface, increasing the anti-sliding Frictional resistance keeps the structural surface in a compact state to improve the integrity of the rock mass of the slope, thereby fundamentally improving the mechanical properties of the rock mass, effectively controlling the displacement of the rock mass, and promoting its stability, so as to achieve the control of bedding and landslides. The purpose of reaching dangerous rocks and danger...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D5/76E02D15/04
CPCE02D5/76E02D15/04E02D2250/003E02D2600/30
Inventor 张伟张栋王国阳王旭辉
Owner 浙江华东工程咨询有限公司
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