《建筑施工专业基础与实务(初级)》习题

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1、建筑施工专业基习题建筑施工专业基础知识一、掌握房屋建筑基本构件的受力特点（一）杆件强度、刚度、稳定的基本概念拉伸压缩扭转剪切弯曲1、结构杆件的基本受力形式2、杆件强度——抵抗破坏的能力拉（压）时的应力——与荷载成正比与面积成反比Oσåσeσpσsσb线弹性阶段屈服阶段强化阶段颈缩阶段应力-应变（σ-ε）图σp----比例极限σe----弹性极限σs----屈服极限σb----强度极限弯曲时的应力——与荷载成正比与截面的惯性矩成反比位移——与荷载成正比与截面的惯性矩成反比与跨度的n次方成正比3、杆件刚度——抵抗变形的能力如均布荷载的悬臂梁为：personalandcollective

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7、thedecisiondeploymentpar,stronglymaintenanceCentralofauthority,maintenanceXIGeneralSecretarythiscore,stronglyobeyCentralofconcentratedunifiedled,inthought,andpolitical21临界力———与材料E成正比与截面的惯性矩I成正比与长度的成反比与支承的固定成正比4、杆件稳定计算长度：一端固定一端自由2l，两端固定0