A.100MPa(压应力) B.80MPa(压应力) C.180MPa(压应

题库2022-08-02  27

问题 A.100MPa(压应力)B.80MPa(压应力)C.180MPa(压应力)D.180MPa(拉应力)

选项 A.100MPa(压应力)
B.80MPa(压应力)
C.180MPa(压应力)
D.180MPa(拉应力)

答案 D

解析 先计算该段内的轴力。
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