Corrosion of rebar in concrete is one of the most frequent causes of their premature failure. Measurements of corrosion rate and condition can be used to estimate remaining load and durability.
混凝土中钢筋的腐蚀是混凝土结构破坏和修复的主要原因之一，钢筋腐蚀速率的监测和腐蚀状况的判定可以为钢筋混凝土结构的剩余载荷和结构的耐久性提供基础数据。
The key point in solving the problem is the way to replace the camber function on condition, that a complicated load ACTS the girder on by one function.
解决这个问题的关键就在于如何把梁在复杂载荷作用下的弯矩函数统一用一个函数来表达。
The measurement results show, on condition that identical load, vacuum is stabilized in one value.
测试结果表明：相同负荷下真空度最终稳定在某一值。
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