般构造标准构造详图纵向受拉钢筋抗震搭接长度l钢筋种类及同一区段内搭接钢筋面积百分率混凝土强度等级C20C25C30C35C40C45C50C55C60d<25d<25d>29d<2d>25d<25d>25d<25d>25d>2d≤d>25d<:d>2d<25d>29二级抗震等级HPB300<25%54d47d一42d一38d一35d一34d一31d一30d一29d一50%63d55d一49d45d一41d一39d一36d一35d34d一HRB335HRBF335<25%53d46d40d一37d一35d一31d一30d一29d一29d一50%62d53d一46d一43d一41d一36d一35d一34d一34d一HRB40...