GENERAL FACTORS AFFECTING INTERPRETATION AND CORRECTIONS OF PRIMARY DATA FROM PIEZOCONE PENETRATION TEST(CPTU)

As an in-situ test technique originated in 1980s,the piezocone penetration test(CPTU) has been attracting wide attention and widely used in the western country because of its advantages.Due to the differences in equipment design,technique code and operation method,there are lots of general factors affecting interpretation for the CPTU data.On the basis of the past investigation,the general factors affecting interpretation for the CPTU data are analyzed and summarized for the sake of attracting attention in use of the CPTU data.The corrections on various factors that influence primary measured data are described in brief.