《大六角高强度螺栓连接工艺标准与工程施工设计方案》由会员分享,可在线阅读,更多相关《大六角高强度螺栓连接工艺标准与工程施工设计方案(10页珍藏版)》请在金锄头文库上搜索。
1、大六角高强度螺栓连接工艺标准及施工方案1 围本工艺标准适用于钢结构安装工程,大六角高强度螺栓连接的施工技术。2 2 2 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公称尺寸1216202430最大12.4316.4320.5222.5224.5227.8430.84最小11.5715.5719
2、.4821.4823.4826.1629.16e最小22.7829.5637.2939.5545.250.8555.37dw19.224.931.433.338.042.846.5s最大21273436414650最小20.1626.163335404549h最大7.9510.7513.414.915.917.919.75最小7.059.2511.613.114.116.117.65r最小1.01.01.51.51.52.02.0c最大0.80.80.80.80.80.80.8最小0.40.40.40.40.40.40.4z最大2.63.03.83.84.54.55.3L025;3030;35
3、35;4040;4545;5050;5555;60L每1000个螺栓的重量kg公称最小最大354033.7538.7536.2541.2549.454.24543.7546.2557.8113.05048.7551.2562.5121.3207.35553.556.567.3127.9220.3269.36058.561.572.1136.2233.3284.9357326563.566.576.8144.5243.6300.5375.7503.27068.571.581.6152.8256.5313.2394.2527.1658.27573.576.586.3161.2269.5328.94
4、07.1551.0687.58078.581.5169.5282.5344.5428.6570.2716.88583.2586.75177.8295.5360.1446.1594.1740.39088.2591.75186.1308.5375.8464.7617.9769.69593.2596.75194.4321.4391.4483.2641.8799.010098.25101.75202.8334.4407.0501.7665.7828.3110108.25111.75219.4360.4438.3538.8713.5886.9120118.25121.75236.1386.3469.65
5、75.9761.3945.6130128132252.7412.3500.8612.9809.11004.2140138142438.3532.1650.0856.91062.8150148152464.2563.4687.1904.71121.5160156165490.2594.6724.2952.41180.1170166174625.9761.21000.21238.7180176184657.2798.31048.01297.4190186194688.4835.41095.81356.0200196204719.7872.41143.61414.7220216224782.2946
6、.61239.21531.92402302441020.71334.71649.22602562641430.31766.5注:1.括号的规格,尽可能不采用。2.虚线以上部分的螺纹长度,按l0栏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 1216202430s最大最小2120.162726.1634333635414046455049h最大最大12.311.8717.116.420.719.423.622.324.222.927.626.330.729.1e
7、dw 最小22.7819.229.5624.937.2931.439.5533.345.2038.050.8542.855.3746.6c最大最小0.80.40.80.40.80.40.80.40.80.40.80.40.80.4每1000个螺母的重量kg27.6861.51118.77146.59202.67288.51374.01注:1.括号的规格,尽可能不采用。2. dw的最大尺寸,等于s的实际尺寸。钢结构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d1216202430d1最大最小公称13.431317.431721.522123.522325.522528.522831.6
8、231d2最大公称最小2523.73331.44038.44240.44745.45250.45654.1t 最大最小3.32.53.32.54.33.55.34.55.34.56.35.56.35.5c最大最小1.61.21.61.22.21.82.21.82.21.82.92.52.92.5每1000个垫圈的重量kg9.0315.9629.8439.3950.7172.0981.96注:括号的尺寸,尽可能不采用。2.1.5不同等级的大六角头高强度螺栓的材料性能必须符合表5-7的规定。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bN/mm2屈服强度0.2N/mm2伸长率5%
9、收缩率%冲击韧性kJ/cm2不小于10.9S104012409401042598.8S83010306601245782.1.6不同规格的高强度螺栓的机械性能、拉力应符合表5-8的规定。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d1216202430公称应力截面积As84.3157245303353459561性能等级10.9S拉力截荷N877001045001630001950002550003040003150003760003670004380004770005690005830006960008.8S7000086800130000162000203000252000
10、25100031200029300036400038100047.0004660005780002.1.7大六角头高强度螺栓的硬度应符合表5-9的规定。螺栓硬度表5-9性能等级维氏硬度HV30洛氏硬度HRC10.9S31236733398.8S24929624312.1.8大六角头高强度螺栓的连接副是由一个螺栓、二个垫圈、一个螺母组成,螺栓、螺母的垫圈应按表5-10规定配套使用。螺栓、螺母和垫圈的配套表5-10螺栓螺母垫圈10.9S10HHRC34458.8S8HHRC35452.1.9大六角头高强度螺栓验收入库后应按规格分类存放。应防雨、防潮,遇有螺纹损伤或螺栓、螺母不配套时不得使用。2.1.10大六角头高强度螺栓存放时间过长,或有锈蚀时,应抽样检查