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Construction method for widening high and steep side slope road

A technology of high and steep slopes and construction methods, applied in roads, roads, excavation, etc., can solve the problems of insufficient road foundation width, high cost of new roads or road reconstruction, etc., to achieve good vehicle operation, safe and reliable construction process, easy-to-grasp effects

Active Publication Date: 2021-06-08
PANGANG GRP ENG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is that the road foundation width is insufficient due to landslides in the existing complex geological conditions, resulting in high cost of adding new roads or rebuilding roads

Method used

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  • Construction method for widening high and steep side slope road
  • Construction method for widening high and steep side slope road
  • Construction method for widening high and steep side slope road

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Embodiment Construction

[0028] The present invention will be further described below in conjunction with the accompanying drawings.

[0029] Such as Figure 1 to Figure 4 Shown, high steep slope road widening construction method of the present invention comprises the steps:

[0030] a, clean up the pumice on the residual road 12 and the collapsed slope 13;

[0031] b. Drill bolt holes on the side wall of the collapsed slope 13;

[0032] c. Grouting and anchoring in the anchor hole;

[0033] d. Set the locking foot anchor cluster 9 at the lower end of the inner side slope 1;

[0034] e, Lay reinforcement mesh 11 on residual road 12, lay reinforcing bar vertically on collapsed side slope 13 and residual road 12 outside collapsed side slope 13, correspondingly form lattice beam 4 reinforcing bars and pile plate wall 3 reinforcing bars, reinforce reinforcing bar The net 11 is respectively connected with the locking foot anchor cluster 9 of the inner side slope 1, the slope lattice beam 4 and the rein...

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Abstract

The invention relates to a construction method for widening a high and steep side slope road. The construction method comprises the steps: a, cleaning pumice stones; b, drilling an anchor rod hole; c, grouting and anchoring the anchor rod hole; d, arranging a feet-lock bolt cluster (9); e, laying a reinforcing mesh (11) on a residual road (12), and vertically laying reinforcing steel bars on a collapsed side slope (13) and the outer side of the collapsed side slope (13); f, performing reinforced concrete construction on lattice beams (4) and sheet-pile walls (3); g, backfilling slag stones (7) in division areas of the sheet-pile walls (3); and h, pouring reinforced concrete on the pavement of the residual road (12). The lattice beams (4) and the sheet-pile walls (3) are fixed on the side wall and the outer side of the collapsed side slope (13) through anchor rods or the anchor cables (6), recovery of the residual road (12) is achieved by pouring reinforced concrete, the construction progress is accelerated, and the problems that the width of a road (foundation) is not enough due to collapse under complex geological conditions, and the cost of newly added roads or rebuilt roads is high are solved.

Description

technical field [0001] The invention relates to a construction method for widening roads with high and steep slopes, and belongs to the technical field of road construction methods. Background technique [0002] There are multiple groups of faults on the slope of the mining area, and the lithology thickness of the slope fault rock varies greatly in the mining area, ranging from 10cm to 10m. Over-extrusion, extrusion marks are very obvious. The slope along the slope is the most important factor affecting its stability. At the same time, the slope in the mining area is prone to slide surface collapse, and the average width of the collapse is 2m, so that the foundation width of the flood drainage ditch required for construction is insufficient, resulting in partial collapse The following roads do not meet the construction conditions for flood drainage ditches. However, at the present stage, complex geological conditions lead to insufficient road foundation width due to landsl...

Claims

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Application Information

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IPC IPC(8): E01C3/00E02D17/20E02D5/74E01C7/14E01C11/16E01C11/18
CPCE01C3/00E02D17/20E02D5/74E01C7/14E01C7/147E01C11/16E01C11/18Y02A30/60
Inventor 谈捷王波张少军陈奚周瑜李庭慧
Owner PANGANG GRP ENG TECH
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