Comprehensive Treatment of Side Slope in Highway of Pubugou Hydropower Station Submerging Area

Abstract:

The loose soil, broken rocks, scarp and some overhanging structures were caused by the roadbed excavation. According to the requirements of this highway slope protection and local conditions, comprehensive protection measures with gravity retaining walls, shotcrete rockbolt mesh and lattice anchor rod were adopted. This paper introduces 3 technical features, various construction difficulties and the solutions in the construction process. Practice shows that the organic combination of 3 measures established a reliable security guarantee to slope protection in this area and new experience to highway slope protection was accumulated.