植筋拉拔试验设计值HPB235:设计值=面积×钢筋强度设计值(211.5N/mm2)HPB300: 设计值=面积×钢筋强度设计值(270N/mm2)HRB335:设计值=面积×钢筋强度设计值(301.5N/mm2)HRB400:设计值=面积×钢筋强度设计值(360N/mm2)各级别牌号钢筋拉拔试验设计值如下:直径(mm)面积(mm2)HPB235(kN)HPB300(kN)HRB335(kN)HRB400(kN)628.275.987.63**6.533.187.028.96**850.2710.6313.5715.118.101078.5416.6121.2123.628.2712113.123.8*33.940.7214153.932.3*46.255.4016201.142.2*60.372.418254.553.4*76.391.620314.266.0*94.2113.122380.179.8*114.0136.825490.9103.1*147.3176.728615.8*184.7221.732804.2*241.3289.5361018*305.4366.4401257*377.0452.4