植筋拉拔承载力检验值 钢筋直径 HPB235 HRB335 HRB400 6mm 6.0 8.6 10.2 6.5mm 7.1 10.0 12.0 8mm 10.7 15.2 18.1 10mm 16.7 23.7 28.3 12mm 24.0 34.1 40.7 14mm 32.6 46.4 55.4 16mm 42.6 60.6 72.4 18mm 53.8 76.7 91.6 20mm 66.5 94.7 113.1 22mm 80.4 114.6 136.8 25mm 103.8 148.0 176.7 28mm 130.2 185.6 221.6 30mm 149.5 213.1 254.4 32mm 170.1 242.4 289.4