1.焊接H型钢H500×400×10×20中，翼缘板的厚度是多少？

A.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240116/1705388602557778.png">

B.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240116/1705388602574380.png">

C.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240116/1705388602596213.png">

D.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240116/170538860266277.png">

A.27.1

B.29.4

C.30

D.32

A.0.5

B.1

C.1.5

D.2

A.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240116/1705388602402731.png">

B.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240116/1705388602422259.png">

C.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240116/1705388602440528.png">

D.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240116/1705388602468158.png">

A.避免螺栓杆受剪破坏

B.螺栓杆受弯破坏

C.板件受挤压破坏

D.板件端部冲剪破坏

A.螺栓的预拉力

B.螺栓杆的抗剪

C.孔壁承压

D.板件间的摩擦阻力

A.4mm

B.7mm

C.10mm

D.14mm

A.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240116/1705388602703438.png">

B.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240116/1705388602725973.png">

C.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240116/1705388602752871.png">

D.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240116/17053886027698.png">

A.避免应力集中

B.确保结构强度

C.提高焊接质量

D.方便运输