(การรับน้ำหนักขึ้นอยู่กับสภาพชั้นดินในแต่ละพื้นที่) Trouble Resolving is prevalent to all engineering work. The issue could entail quantitative or qualitative aspects; it could be Bodily or financial; it may well call for summary mathematics or popular perception. The steel casing is buried in soil or rock and the grout is pressured into both equally