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在桥梁使用期间 ,由于车辆 ,特别是超限车辆行驶 ,以及外界各种因素的作用和影响 ,导致桥梁结构产生病害、出现缺陷 ,严重影响到桥梁正常使用。为了保证交通畅通 ,需要对桥梁进行维修、加固和改造。本文结合西藏自治区首例旧桥整治加固的工程实例 ,对旧桥产生病害的原因进行了分析 ,并介绍其加固措施。
During the period of using the bridge, due to the vehicles, especially the overrun vehicles, and the influence and influence of various external factors, the bridge structure causes diseases and defects, which seriously affects the normal use of the bridge. In order to ensure smooth traffic, the bridge needs to be repaired, reinforced and rebuilt. In this paper, the first case of the old bridge renovation and reinforcement projects in the Tibet Autonomous Region, the reasons for the disease caused by the old bridge were analyzed and the reinforcement measures were introduced.