This paper studies the prestressed tendon reinforcement mechanism and design optimization , based on the crag segments ( K119 + 500 ~ K120 + 130 ) of the national main road-GZ40 ( Yibing ~ Shuifu ) .
本文以国道主干线GZ40宜宾～水富高速公路危岩段（K119+500～K120+130）为研究背景，开展预应力锚索加固机理及设计优化研究。
k120