Piezo-cone penetration test was developed in the measurement method, design of pore-pressure unit, mini-size and multi-type of cone, in-time transmitting of data and the method of analysis.

• 带孔压测量的圆锥触探试验在测量方法、孔压测量单元设计、探头的小型化和多样化、数据的快速传输以及分析理论方面的进展；