A.12kNm
B.15kNm
C.18kNm
D.20kNm
A.12kNm
B.15kNm
C.18kNm
D.20kNm
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.1,2,5跨
B.1,2,4跨
C.1,3,5跨
D.2,4跨
A.$rac{PL}{8}$
B.$rac{PL}{4}$
C.$rac{PL}{2}$
D.$PL$
A.增加材料使用量
B.降低设计难度
C.优化材料使用,确保结构安全
D.增加施工成本
A.8kNm
B.9kNm
C.10kNm
D.12kNm
A.第一跨
B.第二跨
C.第三跨
D.以上都不对
A.负筋
B.正筋
C.负筋和正筋
D.无需配筋
A.第一跨
B.第二跨
C.第三跨
D.第四跨