摘要
根据作者的相关研究成果,系统地论述了与预应力锚索作用机理相关的几个关键问题,即预应力锚索破裂面形状、锚固段极限侧阻力及极限抗拔力、锚固段侧阻力分布规律、锚固段荷载变位特性、群锚效应、长期荷载下预应力损失以及新型灌浆材料的研制、灌浆压力的影响等问题,并得出了相关的结论。上述成果对于认识预应力锚索作用机理,改进设计有一定的指导意义。
Based on the related study of the authors, the key problems about the mechanism of anchor cable are expounded systematieaUy： the failure shape of anchor cable, ultimate lateral resistance and ultimate pullout of bond section, loading-deformation relationship of bond section, group anchor effect, the pres - stress loss under long term loading as well as development of new grouting materials and affection of grouting pressure and so on. The correlation conclusions have been drawn, above mentioned results can serve as guide to understand the mechanism of pres- anchor rope and improve the design work.
出处
《地下空间与工程学报》
CSCD
2006年第1期160-165,共6页
Chinese Journal of Underground Space and Engineering
基金
国家自然科学基金重大研究计划资助项目(90202007)
四川省交通厅项目:框架式护面墙预应力锚索加固机理及设计优化研究
