【摘要】 经过对预应力锚索的作用原理及力学机理的研究，阐述预应力锚索支护的优越性；重点分析锚索预应力损失的影响因素，依据力学性能优选国内适宜于预应力锚索的新材料，提出了锚索预应力的补偿措施，提高了预应力锚索体系的综合锚固效果更多还原

【Abstract】 Based on the study of principle and mechanical mechanism of prestressed cable anchor,the authors discuss the rationality of its support,and analyze the factors affecting force losing in prestressed cable anchor.Suggest some kinds of new materials for cable anchor,and point out the compensative measure of force losing.更多还原