The mechanical mechanism,working behavior and deformation property of settlement-controlled composite pile foundations are analyzed;and the expressions for the pile number of the composite pile foundations are deduced.

The quality assurance effect of QC team in pile foundation engineering

Based on the pile foundation engineering in the terminal of Shanghai Pudong International Airport Phase 2,authors introduce ordered combination of PHC pipe pile and precast concrete square piles,including construction processes,and key construction technology.

Based on the construction of the pile foundation engineering of large bridge in Luhong City,the construction technology of bored pile is presented after adopting pressed grounding for consolidating foundation in karst area having many cavities.

With the Grey theory, this paper established the GM(1,1) model in the project of pile foundation, the testing result, and forecast result geared very well, and with the precise check is provided the result is good.

A few design problems such as pile type selection are analyzied in accordance with pile foundation construction in Shuzhou area and some measures are put forward.

At present,the existing information about pile foundation has not been used sufficiently.

Establishment of the databsde for pile engineering;

Based on the project examples, the main points of quality supervisory controlling of pile foundation project are discussed in this paper.

Based on their practical work experiences,the authors make a full discussion of the survey methods of pile foundation project.

Combination certain tall building s pile foundation engineering in karst region of the north of Guangdong, according to different characteristic water-eroded caves, define the relevant water-eroded cave s handle measure, and make the discussion for adopting handle measures of the water-eroded caves.