An experimental study of soft soil improvement for improving upperhydraulic and refill soils is made herein by heavy tamping and consolidating lower softsoils.

• 采用强夯法加固地基上部吹、回填土，打设塑料排水板排水团结地基下部软土的联合施工工艺，对我国北方某地的软土地基处理进行了试验研究。