Road widening construction method for high and steep slopes
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, Guarantee the effect of construction conditions
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[0028] The present invention will be further described below with reference to the accompanying drawings.
[0029] like Figure 1 to Figure 4 As shown, the construction method for widening high and steep side slopes of the present invention includes the following steps:
[0030] a. Clean up the pumice stone on the residual road 12 and the collapsed side slope 13;
[0031] b. Drill bolt holes on the side wall of the collapsed slope 13;
[0032] c. Anchor bolt hole grouting anchorage;
[0033] d. A lock foot anchor rod cluster 9 is arranged at the lower end of the inner side slope 1;
[0034] e. Lay steel mesh 11 on the residual road 12, lay steel bars vertically on the collapsed side slope 13 and the collapsed side slope 13 on the outer side of the residual road 12, correspondingly form lattice beams 4 steel bars and pile wall 3 steel bars, and place the steel bars The net 11 is respectively connected with the anchor bolt cluster 9 of the inner side slope 1, the slope latti...
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