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施加在结构上的一组集中力或分布力，或引起结构外加变形或约束变形的原因，这在公路桥涵设计专业术语中被称为（）
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施加在结构上的一组集中力或分布力，或引起结构外加变形或约束变形的原因，这在公路桥涵设计专业术语中被称为（）
A、荷载
B、因子
C、作用
D、外力
时间：2021-12-28 16:32
关键词：
公路工程
建筑工程
CMS专题
一级建造师
答案解析
C
作用是公路桥涵设计专业术语，其定义为：施加在结构上的一组集中力或分布力，或引起结构外加变形或约束变形的原因，前者称为直接作用，亦称荷载，后者称间接作用。
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施加在结构上的一组集中力或分布力，或引起结构外加变形或约束变形的原因，这在公路桥涵设计专业术语中被称为（）
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