钢筋搭接长度要求路桥.docVIP

钢筋搭接长度要求 抗震 等级混凝土 强度等级钢筋种类钢筋直径（mm）纵向受拉钢筋绑扎搭接长度（110）GB50204-2022（规范）03 G101-1（图集）规范与图集 搭接长度差值纵向受拉钢筋最小锚固长度1.2x1.15x最小锚固长度纵向受拉钢筋抗震锚固长度1.4x抗震锚固长度（d）(cm)(d)(cm)规范—图集(cm) 一级 二级 CHPB235Φ835d48.3d38.636d50.4d40.3-1.7Φ1048.350.4-2.1 HRB335Φ12 45d 62.1d74.5 44d 61.6d73.9+0.6Φ1486.986.2+0.7Φ1699.498.6+0.8Φ18111.8110.9+0.9Φ20124.2123.2+1.0 HRB400 RRB400Φ855d 75.9d60.753d 74.2d59.4+1.3Φ1075.974.2+1.7Φ1291.189.0+2.1Φ14106.3103.9+2.4Φ16121.4118.7+2.7Φ18136.6133.6+3.0Φ20151.8148.4+3.4 一级 二级 C25HPB235Φ835d48.3d38.631d43.4 d34.7+3.9Φ1048.343.4+4.9 HRB335Φ1245d62.1d74.538d53.2 d63.8+10.7Φ1486.974.5+12.4Φ1699.485.1+14.3Φ18111.895.8+16.0Φ20124.2106.4+17.8 HRB400 RRB400Φ855d75.9d60.746d64.4 d51.5+9.2Φ1075.964.4+11.5Φ1291.177.3+13.8Φ14106.390.2+16.1Φ16121.4103.0+18.4Φ18136.6115.9+20.7Φ20151.8128.8+23.0 一级 二级 C30HPB235Φ830d41.4d33.127d37.8 d30.2+2.9Φ1041.437.8+3.6HRB335Φ1235d48.3d58.034d47.6 d57.1+0.9Φ1467.666.6+1.0Φ1677.376.2+1.1Φ1886.985.7+1.2Φ2096.695.2+1.4 钢筋搭接长度要求 抗震等级混凝土强度等级钢筋种类钢筋直径（mm）纵向受拉钢筋绑扎搭接长度（110）GB50204-2022（规范）03 G101-1（图集）规范与图集搭接长度差值纵向受拉钢筋最小锚固长度1.2x1.15x最小锚固长度纵向受拉钢筋抗震锚固长度1.4x抗震锚固长度（d）(cm)(d)(cm)规范—图集(cm)一级 二级C30HRB400 RRB400Φ840d55.2d44.241d57.4d45.9-1.7Φ1055.257.4-2.2Φ1266.268.9-2.7Φ1477.380.4-3.1Φ1688.391.8-3.5Φ1899.4103.3-3.9Φ20110.4114.8-4.4一级 二级C35HPB235Φ830d41.4d33.125d35d28.0+5.1Φ1041.435.0+6.4HRB335Φ1235d48.3d58.031d43.4d52.1+5.9Φ1467.660.8+6.8Φ16