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中文摘要：
随着FRP加固结构的广泛应用，其耐久性问题也日益突出并受到关注。浸渍树脂作为复合材料的原料之一及FRP与结构的粘结材料，其耐久性直接影响FRP加固结构的效果。干湿交变作用是影响树脂耐久性的因素之一。对两种树脂进行干湿交变试验研究，考察浸渍树脂的力学性能随老化时间的变化特性，并对试验结果从宏观角度进行分析。结果表明，两种树脂在同样的干湿交变环境条件下老化，其力学性能随老化时间的变化趋势不同。
英文摘要：
With the wide use of FRP strengthened structures, the problem of their durability has been highlighted and concerned. The durability of saturating resin which is one of components of fiber reinforced polymer and adhesive material of FRP and concrete, affects the property of FRP reinforced structures. Wet-dry cycling is one of the factors which influences the durability of resin. The durability of two types of resin caused by wet-dry cycling was studied in this article. The change tendency of mechanical behavior of the resin was investigated and the test results were analyzed. The results showed that the change tendency of mechanical behavior of two types of resin was different under the same wet-dry cyching condition.
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