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Internal Forces
Beam Types and Support Conditions
Description
Beams are key parts of structural engineering and construction. They support loads that act at different points along their length. Engineers use beam shape and support conditions to understand how a beam will perform.
Beams can be classified by geometry. Straight beams are the most common and ha...
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Transcript
梁是一种直线形的长条结构构件,用于承受沿构件不同位置施加的载荷。
梁可以根据几何形状、横截面、支撑类型和平衡条件进行分类。
根据几何形状,梁可以是直的、锥形的或弯曲的。
它们可以具有不同的横截面形状,例如工字梁、T型梁、L型梁、C型梁或矩形梁。
根据支座形式的不同,梁可以分为简支梁、外伸梁、 连续梁、悬臂梁或固定梁。其支座之间的距离称为梁的跨度。
简支梁在两端均有支撑,而悬臂梁则延伸超出其一端的支撑点。
悬臂梁在一端固定,并从固定端延伸出去。
连续梁在两个以上的支点处被支撑,而固定梁则可以在两端均被固定,或在一端被支撑。
如果支座约束仅引入三个未知数,则梁支座处的反力在静力学...
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