Composite retaining of cement-soil pile and soiling nailing (CRCSPSN) has been used for solving the problems in soft soil, such as water-sealing, seepage-stability, pre-retaining, etc.

• 水泥上桩复合土钉是为解决土钉支护在软土中应用时的止水、抗渗、超前支护等问题而出现的。