大六角高强度螺栓连接工艺标准（503-96）VIP专享VIP免费

大六角高强度螺栓连接工艺〔503-1996〕范围本工艺适用于钢构造安装工程大六角高强度螺栓连接的施工技术。施工准备2.1材料：2.2主要机具：电动扭矩扳手及控制箱、手动扭矩扳手、扭矩测量扳手、手工扳手、钢丝刷、冲子、钢构造用大六角头高强度螺栓的规格、尺寸及重量表5-4公称尺寸121620(22)24(27)3012.4316.4320.5222.5224.5227.8430.84最小11.5715.5719.4821.4823.4826.1629.16e(mm)22.7829.5637.2939.5545.2050.8555.37dw(mm)19.224.931.433.338.042.846.5521273436414650(mm)最小20.1626.163335404549h7.9510.7513.4014.9015.9017.9019.75(mm)最小7.059.2511.6013.1014.1016.1017.65r(mm)最小1.01.01.51.51.52.02.0c0.80.80.80.80.80.80.8(mm)最小0.40.40.40.40.40.40.4z(mm)2.63.03.83.84.54.55.3l0(mm)25；3030；3535；4040；4545；5050；5555；60l(mm)公称最小3533.7536.2549.44038.7541.2554.24543.7546.2557.8113.05048.7551.2562.5121.3207.35553.556.;567.3127.9220.3269.36058.561.572.1136.2233.3284.9357.26563.566.576.8144.5243.6300.5375.7503.27068.571.581.6152.8256.5313.2394.2527.1658.27573.576.586.3161.2269.5328.9409.1551.0687.58078.581.5169.5282.5344.5428.6570.2716.88583.2586.75177.8295.5360.1446.1594.1740.39088.2591.75186.1308.5375.84.7617.9769.69593.2596.75194.4321.4391.4483.21.8799.010098.25101.75202.8334.4407.0501.7665.7828.3续表110108.25111.75219.4360.4438.3538.8713.5886.9120118.25121.75236.1386.3469.6575.9761.3945.6130128132252.7412.3500.8612.9809.11004.2140138142438.3532.1650.0856.91062.81501481524.2563.4687.1904.71121.5160156165490.2594.6724.2952.41180.1170166174625.9761.21000.21238.7180176184657.2798.31048.01297.4190186194688.4835.41095.81356.0200196204719.7872.41143.61414.7220216224782.2946.61239.21531.92402302441020.71334.719.226025621430.31766.5注：1.括内的规格尽可能不采用。2.虚线以上部分的螺纹长度按l0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l0栏内的后面数值采用。3.dw的尺寸等于5的实际尺寸。钢构造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)305(mm)最小2120.162726.1634333635414046455049h(mm)最小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(mm)最小0.80.40.80.40.80.40.80.40.80.40.80.40.80.4每1000个螺母的重量(kg)≈27.6861.51118.77146.59202.67288.51374.01注：1.括内的规格尽可能不采用。2.dw的尺寸等于5的实际尺寸。钢构造用高强度垫圈的规格、尺寸及重量表5-6公称直径(螺纹直径d)(mm)121620(22)24(27)30d1(mm)最小(公称)13.431317.431721.522123.522325.522528.522831.6231d2(mm)(公称)最小2523.73331.44038.44240.44745.45250.45654.1t(mm)最小3.32.53.32.54.33.55.34.55.34.56.35.56.35.5c(mm)最小1.61.21.61.22.21.82.21.82.21.82.92.52.92.5每1000个垫圈的重量(kg)≈9.0315.9629.8439.3950.7172.0981.96注：括内的规格尽可能不采用。不同等级的大六角头高强度螺栓的材料性能表5-7性能等级抗拉强度σbN/mm2(kgf/mm2)屈从强度σ0.2N/mm2(kgf/mm2)伸长率δ5()收缩率ψ()冲击韧性αkJ/cm2(kgf·m/cm2)不小于10.95～1240(106～146)940(95)104259(6)8.85830～1030(85～105)660(68)124578(8)锤子等等。2.3作业条件：不同规格大六角头高强度螺栓的机械性能、拉力表5-8公称直径d(mm)121620(22)24(27)30公称应力截面积A5(mm2)84.3157245303353459561性能10.95拉力载荷87700～104500(16600～10700)163000～195000(16600～19800)255000～304000(26000～19800)315000～376000(32100～38300)367000～438000(37400～44600)477000～569000(48600～58000)583000～969000(59400～70900)等级8.85N(kgf)70000～86800(7140～8850)130000～162000(13300～16500)203000～252000(20700～25700)251000～312000(25600...