Abstract According to the data of static loading test for two cast-in-place rock-socked piles of a nuclear power station，the transmission of axial pressure，properties of skin resistance and character of tip resistance under loading are analyzed. The difference between anti-press and anti-tensile piles are showed. By analyzing test results，the properties of clay layer and side resistance are revealed. The study result is instructive for design，construction and deep study of the same type of piles.
