3x30m现浇弯桥MIDAS建模全流程,全程看明白~
作为一名把桥梁设计作为终生职业的设计师,不懂现浇弯桥设计,就会错失很多承担项目设计负责人的机会。本文以预应力连续箱梁为例,使设计师理解和掌握PSC桥梁建模助手实现快速建模,了解程序自动计算有效分布宽度的方法,以及圆曲线钢束的输入技巧……
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概述:结构采用3x30m,满堂支架施工。主梁 全宽9.74m,单箱双室结构。主梁位于半径140m的圆曲线上。
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建模前的准备工作
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建立模型
定义材料截面特性
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建立单元:
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PSC桥梁建模助手:
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添加预应力钢束:
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添加静力荷载:
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添加边界条件:
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添加车道:
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添加车辆:
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添加移动荷载工况:
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定义支座沉降组:
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添加支座沉降工况:
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定义施工阶段:
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定义施工阶段分析控制:
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