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Rotary excavation is a kind of construction method suitable for hole-forming operation in building foundation engineering.
Rotary excavation is a kind of construction method suitable for hole-forming operation in building foundation engineering. It is mainly suitable for the construction of sand, cohesive soil, silt and other soil layers, and is widely used in the construction of cast-in-place piles, continuous walls, foundation reinforcement and other foundations. The rated power of rotary drilling rig is generally 125 ~ 450kW. The output torque is 120 ~ 400kN · m, the maximum hole diameter can reach 1.5~4m, and the maximum hole depth is 60~90m, which can meet the construction requirements of various large-scale foundations.
Rotary excavation is a kind of construction method suitable for hole-forming operation in building foundation engineering. It is mainly suitable for the construction of sand, cohesive soil, silt and other soil layers, and is widely used in the construction of cast-in-place piles, continuous walls, foundation reinforcement and other foundations. The rated power of rotary drilling rig is generally 125 ~ 450kW. The output torque is 120 ~ 400kN · m, the maximum hole diameter can reach 1.5~4m, and the maximum hole depth is 60~90m, which can meet the construction requirements of various large-scale foundations.
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