The undisturbed soil experiment of the comparison about the failure of the half and whole cross-section piles under the resistance compression

In this paper, adopting the small scale model experimental method, made the test pile with half and whole cross-section, and through the homemade soil device to extract the undisturbed soil to carry out the load experiment. Observe the failure process of the soil around the pile body, at the same time, extract the load and displacement of the top of pile to form the curve. Finally, by comparing the the soil failure state 、bearing capacity 、the displacement-load curve of the half and whole cross-section piles and so on, further verify the reliability of the half cross-section pile experiment, set good theoretical and practical basis for the further promotion of half section pile