冰川冻土 ›› 1983, Vol. 5 ›› Issue (2): 19-29.
• 研究论文 •
Sui Xianzhi, Zuo Li
Abstract: For getting a clear understanding of the law of pile foundation self-anchor and for the purpose of applying selfanchor measurement in engineering to protect pile foundation dilatation,the research on this subject is of great significance.In recent years,we have done some experiments in freezer with dilatational counter-force models of which the geometric proportion are 1 to 2 and 1 to 4. In Wanjia experimental site,the experiment of dilatational counter-force prototype has been done and an experimental bridge with broadenpile foundation has been built.The experimental results show that the dilatational counter-force and the dilatational force occur simultaneously,and the dilatational counter-force changes with dilatational force;the distribution of dilatational counter-force along the horizontal direction is uneven; in the case of imcomplete anchored broaden pile foundation, the dilatational counter-force is distributed like the shape of a saddle.In the case of broaben pile foundation,the dilatational counter-force distributed within the extent of broaden plate can be born by pile foundation,thus the dilatational counter-force has been overcome and the ability for resisting dilatation of the pile foundation has been increased,which is so called the self-anchored role.
隋咸志, 左力. 冻胀反力的试验研究[J]. 冰川冻土, 1983, 5(2): 19-29.
Sui Xianzhi, Zuo Li. THE EXPERIMENTAL RESEARCH OF DILATATIONAL COUNTER-FORCE[J]. JOURNAL OF GLACIOLOGY AND GEOCRYOLOGY, 1983, 5(2): 19-29.
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