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预应力锚索,是近几十年中发展起来的一门新技术.本世纪二、三十年代大吨位的预应力岩锚在国外已用于工程处理和坝体加固.国内是六十年代开始应用,目前已发展到相当高的水平.在加固水利工程的大坝和附属建筑物的稳定以及岩体边坡的加固处理中,都取得了显著的成绩.同时,土锚和混凝土锚索也有较快的发展.这样,预应力锚索在不同地质条件的工程建设和工程处理中,将得到更广泛的应用.
Prestressed anchor cable is a new technology developed in recent decades.Two tonnage of prestressed rock anchor in the 1920s and 1930s has been used abroad for engineering treatment and dam reinforcement.China is the sixties The application has started to develop to a very high level, and remarkable achievements have been made both in the stability of dams and ancillary structures for reinforcement of water conservancy projects and in the reinforcement of rock mass slopes, and meanwhile, soil anchors and concrete anchor cables There is a rapid development.This way, prestressed anchor cable in different geological conditions of engineering construction and engineering, will be more widely used.