2022年钢结构螺栓连接规范 .pdf

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1、. 可编辑钢结构高强度螺栓连接施工工艺标准高强度螺栓连接副的安装1.高强度螺栓长度应按下式计算L=L + L式中 L 连接板层总厚度 L附加长度 L=m+ns+3pM高强度螺母公称厚度；N垫圈个数，扭剪型高强度螺栓为1，高强度大六角螺栓为2；S高强度垫圈公称厚度；P螺纹的螺距螺栓螺母性能表1 钢结构用高强度螺栓连接副型号、规格、类型名称性能等级规格连接副组成GB/T1228-91钢结构用高强度大六角头螺栓10.9S8.8SM12-M30一件螺栓；一件螺母；二件垫圈GB/T1229-91钢结构用高强度大六角螺母GB/T1230-91钢结构用高强度垫圈GB/T1231-91钢结构用高强度大六角头螺

2、栓、大六角螺母、垫圈技术条件GB/T3632-1995钢结构用扭剪型高强度螺栓连接副10.9SM16-M24一件螺栓；一件螺母；一件垫圈GB/T3633-1995钢结构用扭剪型高强度螺栓连接副技术条件2.材料类型性能等级螺纹规格选用材料螺栓10.9SM12M2420MntiBM27M3035VB8.8SM12M1635#M20M2420MnTibM27M3035VB螺母8H10HM12M3035#垫圈3545HRC123045#3.材料的化学成分材料C%Si%Mn%Ti%V%B%P%S%20MnTiB0.170.240.170.371.301.600.040.1000.00050.00350.

3、0350.03535VB0.310.370.170.370.500.900.050.120.0010.0040.040.0435#0.320.400.170.370.500.900.0350.03545#0.420.50.170.0.500.90.035名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 1 页，共 4 页 - - - - - - - - - . 可编辑03700.0354.GB/T1228-91 钢结构用高强度大六角头螺栓型式尺寸螺纹规格dM12 M16M20M22M2

4、4M27M30螺距 p1.7522.52.5333.5Cmax0.80.80.80.80.80.80.8min0.40.40.40.40.40.40.4damax15.2319.2324.3226.3228.3232.8435.84dsmax12.4316.4320.5222.5224.5227.8430.84min11.7515.5719.4821.4823.4826.16.29.16dwmin19.221.931.433.338.042.846.5emin22.7829.5637.2939.5545.2050.8555.37k公称7.51012.514151718.7max7.9510.7

5、513.4014.9015.9017.9019.75min7.059.2511.6013.1014.1016.1017.65rmin1.01.01.51.51.52.02.0smax21273436414650min20.1620.163335404549bL 公称4545555565657070757580808585公称25303035354040454550505555605.GB/T1229-91 钢结构用高强度大六角螺母型尺寸名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第

6、2 页，共 4 页 - - - - - - - - - . 可编辑螺纹规格 DM12M16M20M22M24M27M30螺距 P1.7522.52.5333.5cmax0.80.80.80.80.80.80.8min0.40.40.40.40.40.40.4damax1317.321.623.825.929.132.4min12162022242730dwmin19.224.931.433.338.042.846.5emin22.7829.5637.2939.5545.2050.8555.37mmax12.317.120.723.624.227.630.7min11.8716.419.422.

7、322.926.329.1smax21273436414650min20.1626.1633354045496.GB/T1230-91 钢结构用高强度垫圈型式尺寸名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 3 页，共 4 页 - - - - - - - - - . 可编辑规格（螺纹大径）12162022242730d 1max13.4317.4321.5223.5225.5228.5231.52min13172123252831d 2max25334042475256min23.731.438.440.445.450.154.1s公称3.04.04.05.05.05.05.0max3.84.84.85.85.85.85.8min2.53.53.54.54.54.54.5d 3max16.0320.0325.1227.1229.1233.6436.64min15.2319.2324.3226.3228.3232.8435.84名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 4 页，共 4 页 - - - - - - - - -