Benoto cast in place pile is widely used in pile foundation engineering abroad.

This paper analyzes the contradictions between waterproof closure and structural integrity, discusses the key problems that should be solved to satisfy the requirements of waterproofing closure, and advances some measures for and principles of the waterproofing work s on the grouting pile head and basement foundation slab.

Prestressed concrete reaction system for ultrahigh static loading tests of bored piles;

Study on load transfer mechanism of bored piles;

The design and construction method on improving the single pile bearing capacity of the bored pile in pile foundation project;

Applied example and analysis of grouting pile retaining wall on foundation pit support of old workshop;

Problems in construction of grouting pile with squeezing & expanding resistant plate;

Magnetic anomaly characteristics out of reinforcement cage in cast-in-situ pile;

Post-grouting technique around cast-in-situ piles in soft foundation of Wanghu Sluice;

The construction of cast-in-situ pile under complicated geologic conditions of beach s retaining wall;