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一、前言土与岩石锚杆是基础结构领域中预应力技术的特殊应用。在国外,预应力锚杆的第一次应用可以追述到30年代,但是,直到60年代才真正开始了应用,从那时起,锚杆技术得到了飞速的发展。今天这项技术巳普遍地应用在滑坡稳定,岩石工程,挡土墙和开挖面的锚固,以及大反力基础的锚固等方面。
I. INTRODUCTION Soil and rock bolt are the special applications of prestress technology in the field of basic structure. In other countries, the first application of prestressed anchors can be traced back to the 1930s, but it was not until the 1960s that the application was actually started. Since then, the bolt technology has been rapidly developed. Today, this technology has been widely used in landslide stability, rock engineering, anchoring of retaining walls and excavated surfaces, and anchoring of large reaction forces.