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目录
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开始
1
拉伸屈服
2
拉伸断裂
3
定义
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钢结构基本规范/拉伸
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来自维基教科书,开放世界开放书籍
<
钢结构基本规范
拉伸屈服
[
编辑
|
编辑源代码
]
应考虑毛截面上的极限状态屈服,以防止不受控制的伸长。
P
n
=
F
y
A
g
{\displaystyle P_{n}=F_{y}A_{g}}
拉伸断裂
[
编辑
|
编辑源代码
]
应考虑净有效截面上的极限状态断裂。允许净截面周围的局部屈服,前提是由此产生的构件伸长对结构没有不利影响。
P
n
=
F
u
A
e
{\displaystyle P_{n}=F_{u}A_{e}}
定义
[
编辑
|
编辑源代码
]
F
y
{\displaystyle F_{y}}
= 规定的最小屈服强度 (ksi, MPa)
F
u
{\displaystyle F_{u}}
= 规定的最小抗拉强度 (ksi, MPa)
A
g
{\displaystyle A_{g}}
= 截面的毛面积 (in
2
, mm
2
)
A
e
{\displaystyle A_{e}}
= 截面的有效净面积,减去连接处孔洞和剪切滞后效应的影响 (in
2
, mm
2
)
类别
:
书籍:钢结构基本规范
华夏公益教科书