Micro file

When the soil layer is drilled, it is drilled using a casing, then a steel rod of a certain
diameter is inserted into the casing and then grouted

Buckling investigation is required when constructing more than 10m

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위: 측량오류 PC박스 이동, 아래: 이동·회전 Fujian Xiaman
고려E&C를 만나면 불가능하던 것도 가능하게 됩니다.

Construction examples