JPKIC 构盘计原 Example:a span of 4m,a concentrated load at midspan of tested beam,beam section size is 200 X300mm,concrete is C20. Please see: 200 4000 A A一A 200 210 4000 B 316 b) B—BExample: a span of 4m, a concentrated load at midspan of tested beam, beam section size is 200 ×300mm, concrete is C20. Please see: 4000 A A F a) 200 300 A－A b) 4000 B B B－B 200 300 210 316