Driven cast in place pile with soil drawn out dirly (DCPSD)

This paper introduces a new pile style named driven cast in place pile with soil drawn out dirly (DCPSD).Its construction equipment and technology are firstly studied.Then this paper discusses the design and detection of this pile.Finally its technological and economical characteristics are briefly analyzed.This pile style has been used in soft soil areas recently. It overcomes the shortages of traditional pile styles and has several advantages: no slurry contamination,no impact on environment,high bearing capacity,high efficiency,reliable quality,and low cost.So this pile style has great practical value and bright market prospect.