地埋式污水处理厂深基坑中土层扩大头锚索的设计研究

Study on Design of Expanded Head Anchor Cable in Deep Foundation Pit of Underground Sewage Treatment Plant

从锚索设计的主要技术参数抗拔力出发,归纳目前关于锚索抗拔力的规范要求,以地埋式污水处理厂深基坑为依托,介绍了扩大头锚索的设计,阐明了扩大头锚索的传力途径、破坏形式以及机理,并进一步指出了扩大头锚索的设计要点,对扩大头锚索在深基坑中的应用有指导意义。

Starting from the main technical parameters of anchor cable design,this paper summarizes the current standard requirements on anchor cable’s pull-out resistance.Based on the deep foundation pit engineering of underground sewage treatment plant,this paper introduces the design of expanded head anchor cable,expounds the force transmission route, failure form and mechanism of expanded head anchor cable, and further points out the design key points of expanded head anchor cable.It’s of guiding significance to the application of expanded head anchor cable in the deep foundation pit.