ANSI-AISC 358-22 PDF下载

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ANSI/AISC 358-22 PDF Download

ANSI/AISC 358-22《特殊及中等抗弯钢框架抗震预合格连接规范》PDF下载
2022年8月发布,替代2016版及其2018、2020补遗,是连接预合格审查小组(CPRP)十年来的最大一次更新。核心亮点包括:

1. 新增第15章——**DuraFuse Frames Moment Connection**,首次将“熔断板-顶部板”组合连接纳入预合格清单,适用于W36×150~W36×230梁与W14×132~W14×550柱,最大屈服面积6 in²,已通过FEMA P-695倒塌裕度评估,超限高层亦可直接引用;
2. 第5章**RBS(缩径梁)连接**设计空间大幅扩展:梁高由W30提升到W36,翼缘厚度上限增至2.0 in,柱深由W24放宽到W36,满足北美高烈度区大跨重载框架需求;
3. 第9章**铸螺栓支架**与第14章**开槽腹板**连接取消专利限制,公版详图、加工参数、检验要求全部公开,降低采购与审图门槛;
4. 统一**柱翼缘与混凝土楼板隔离做法**、**螺栓孔径计算公式**与**梁净截面断裂验算**,实现与AISC 360-22、AISC 341-22术语一致,减少设计冲突;
5. 新增**高强螺栓剪-撕复合失效**总合力方程,避免传统分步检算导致的冗余或遗漏。

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