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在进行结构构件承载力试验时,对于受力为轴心受拉、偏心受拉、受弯、大偏心受压等情况,出现哪些标志即可认为已达到或超过承载能力极限状态。
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在进行结构构件承载力试验时,对于受力为轴心受拉、偏心受拉、受弯、大偏心受压等情况,出现哪些标志即可认为已达到或超过承载能力极限状态。
时间:2022-01-02 04:47
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桥梁工程
土木建筑工程
大学试题
工学
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<p> 在加载或持载过程中出现下列标志之一即可认为已达到或超过承载能力极限状态:<br> ⑴、对有明显物理流限的热轧钢筋,其受拉主筋应力达到屈服强度,受拉应变达到0.01;对无明显物理流限的钢筋,其受拉主钢筋的受拉应变达到0.01;<br> ⑵、受拉主钢筋拉断;<br> ⑶、受拉主钢筋处最大垂直裂缝宽度达到1.5mm;<br> ⑷、挠度达到跨度的1/50;对悬臂结构,挠度达到1/25;<br> ⑸、受压区混凝土压坏。 </p>
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在进行结构构件承载力试验时,对于受力为轴心受拉、偏心受拉、受弯、大偏心受压等情况,出现哪些标志即可认为已达到或超过承载能力极限状态。
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