大六角高强度螺栓连接分项工程质量管理.doc

1、大六角高强度螺栓连接工程质量管理1 1、依据标准：依据标准：建筑工程施工质量验收统一标准GB50300-2001钢结构工程施工质量验收规范GB50205-20012 2、施工准备、施工准备2.1 材料：2.1.1 螺栓、螺母、垫圈均应附有质量证明书，并应符合设计要求和国家标准的规定。2.1.2 大六角头高强度螺栓的规格、尺寸及重量应符合表 5-4 的规定。2.1.3 大六角高强度螺母的规格、尺寸及重量应符合表 5-5 的规定。2.1.4 高强度垫圈的规格、尺寸及重量应符合表 5-6 的规定。钢结构用大六角头高强度螺栓的规格、尺寸及重量表 5-4d(mm)公称尺寸121620(22)24(27)

2、30最大12.4316.4320.5222.5224.5227.8430.84最小11.5715.5719.4821.4823.4826.1629.16e(mm)最小22.7829.5637.2939.5545.250.8555.37dw(mm)19.224.931.433.338.042.846.5s(mm)最大21273436414650最小20.1626.163335404549h(mm)最大7.9510.7513.414.915.917.919.75最小7.059.2511.613.114.116.117.65r(mm)最小1.01.01.51.51.52.02.0c(mm)最大0.8

3、0.80.80.80.80.80.8最小0.40.40.40.40.40.40.4z(mm)最大2.63.03.83.84.54.55.310(mm)25；3030；3535；4040；4545；5050；5555；601(mm)每 1000 个螺栓的重量（kg）公称最小最大354033.7538.7536.2541.2549.454.24543.7546.2557.8113.05048.7551.2562.5121.3207.35553.556.567.3127.9220.3269.36058.561.572.1136.2233.3284.9357326563.566.576.8144.52

4、43.6300.5375.7503.27068.571.581.6152.8256.5313.2394.2527.1658.27573.576.586.3161.2269.5328.9407.1551.0687.58078.581.5169.5282.5344.5428.6570.2716.88583.2586.75177.8295.5360.1446.1594.1740.39088.2591.75186.1308.5375.8464.7617.9769.69593.2596.75194.4321.4391.4483.2641.8799.010098.25101.75202.8334.4407

5、.0501.7665.7828.3110108.25111.75219.4360.4438.3538.8713.5886.9120118.25121.75236.1386.3469.6575.9761.3945.6130128132252.7412.3500.8612.9809.11004.2140138142438.3532.1650.0856.91062.8150148152464.2563.4687.1904.71121.5160156165490.2594.6724.2952.41180.1170166174625.9761.21000.21238.7180176184657.2798

6、.31048.01297.4190186194688.4835.41095.81356.0200196204719.7872.41143.61414.7220216224782.2946.61239.21531.92402302441020.71334.71649.22602562641430.31766.5注：1.括号内的规格，尽可能不采用。2.虚线以上部分的螺纹长度，按 10 栏内的前面数值采用（亦允许螺杆上全部制出螺纹）；虚线以下部分的螺纹长度，按 10 栏内的后面数值采用。3.dw 的最大尺寸，等于 s 的实际尺寸。钢结构用高强度大六角螺母的规格、尺寸及重量表 5-5d(mm)121620(22)24(27)30s(mm)最大最小2120.162726.1634333635414046455049h(mm)最大最大12.311.8717.116.420.719.423.622.324.222.927.626.330.729.1e(mm)dw(mm)最小22.7819.229.5624.937.2931.439.5533.345.2038.050.8542.855.3746.6c