By analyzing the bridge disease, the paper introduced the main cause of Dishuiya bridge damage, and proposed its specific principle and construction of strengthening plan.
Building damage of Wenchuan earthquake proved once again that the seismic strengthening is the most important way to improve the seismic capability of the existing buildings.
汶川地震建筑震害再一次证明了进行抗震加固是提高现有房屋抗震能力最有效的途径。
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The damage appearance of the armor plate and the craters surface strengthening mechanism were analyzed.