Abstract
Excavated foundation is a basic type of foundation that has been widely applied in recent transmission line construction in China. Making full use of the bearing capacity of undisturbed soil and reducing the amount of excavation are its advantages. Rotary drilling rig is a piling machine that is widely used in fields such as civil engineering with high working efficiency. Using mechanized construction can significantly reduce the workload and safety risks of construction and produce better direct and indirect economic benefits. This paper considers introducing rotary drilling rig to the construction of transmission and focuses on the adaptability of rotary drilling rig in excavated foundation construction.
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