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【简答题】
在混凝土 T 梁的加固中,常采用增大界面加固法。如下图,在 T 面上增加一层厚 15cm 的混凝土,且在 T 面粘贴钢板。新增加的钢板、混凝土与原有结构形成一种组合构件。组合构件中后加材料与原结构材料相比,存在着“混凝土压应变滞后”、“钢板应力滞后”和“原有钢筋应力超前”现象,试解释这三种现象。
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A.
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查看完整题目与答案