1.(单选题)如下图所示单跨外伸梁,其外伸支座处的最大负弯矩值是多少?

A. <img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240118/1705563393298642.jpeg">

B. <img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240118/1705563393350945.jpeg">

C. <img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240118/1705563393373630.jpeg">

D. <img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240118/1705563393399873.png">

A.80

B.500

C.420

D.580

A.-0.25qa

B.0.25qa

C.-0.5qa

D.1.5qa

A.FAX=O、FAY=19.37kN(↑)

B.FAX=5kN(→)、FAY=80.63kN(↑)

C.FAX=5kN(→)、FAY=19.37kN(↑)

D.FAX=O、FAY=80.63kN(↑)

A.18kN·m

B.24kN·m

C.30kN·m

D.36kN·m

A. <img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240118/1705563392783681.jpeg">

B. <img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240118/1705563392834725.jpeg">

C. <img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240118/170556339287395.jpeg">

D. <img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240118/170556339291996.jpeg">

A. <img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240118/1705563392417235.jpeg">

B. <img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240118/1705563392467342.jpeg">

C. <img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240118/1705563392541136.jpeg">

D. <img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240118/1705563392607696.jpeg">

A.PI

B.2PI

C.0.5PI

D.1.5PI

A.160kN·m

B.-120kN·m

C.-240kN·m

D.-160kN·m