摘要:结合《建筑抗震设计规范(GB 50011-2001)》的相关规定,以汶川地震中映秀镇漩口中学食堂为例,采用常用的简化力学模型进行设计计算并与震害现象进行对比。得出RC框架结构中虽然设计计算考虑楼板对梁的刚度贡献,并由此梁端弯矩设计值进行梁端矩形截面配筋设计。但是由于没考虑板筋对梁端承载力的贡献,即使柱端增大了弯矩设计值,也在低烈度设防区形成"强梁弱柱"的结构。
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