The Supporting Theory of Anchor Bolt

The application of anchor bolt in mining industry can track back to the 1930s. Belonging to active supporting, anchor bolt can transform surrounding rock of roadway into supporting body. It has strong adaptability and small deformation. It can ensure safety in production and has brought great economic and social benefit. There are several supporting theories […]

Basic Principles for Supporting Structure Design of Foundation Pit

Foundation pit engineering is systems engineering, belonging to temporary structure, which includes supporting system design and earth excavation, with strong integrity, strong regional, small safety stock and big risk. Supporting structure design of foundation pit should meet design requirements of 3 aspects: stability, strength and deformation. 1. Stability. It mainly refers to stability of surrounding […]