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斜张桥的拉索全部布置在梁体外部,且处于高应力状态,对锈蚀比较敏感。因而拉索防护有着十分重要的意义。前几年,这一问题曾是影响斜张桥发展的主要障碍,而近两年却有很大进展。在这里本文将对拉索防护问题进行简单评述。一、国外斜张桥拉索防护的现状 1.有两座桥进行了拉索更换西德1974年建成的kǒhlbrand桥,拉索为封闭索,1976年开始锈蚀,曾作四层涂料
Diagonal bridge all the cables arranged in the beam body outside, and in high stress state, more sensitive to corrosion. Therefore, cable protection has a very important significance. A few years ago, this issue had been a major obstacle to the development of Diao Bridge. In the past two years, however, great progress has been made. Here’s a brief review of cable protection issues. First, the foreign oblique bridge cable protection status 1. There are two bridges were cable replacement West Germany built in 1974 kǒhlbrand bridge, cable for the closed cable, rust began in 1976, had four layers of paint