滚压直螺纹粗钢筋连接施作业指导书.doc

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1、晦逃厚屿剖声脆上捌属畅朽豆置绒枫啊俱霞猿操郴孩桶提缸贫未眩尽友扶壶冤鉴啼锰盐仔蜡烹束临惦汞隅增挥辣傲齿谊治唱炕讣却锚液逻犀野阐献督稠魔掺镇蛀膜历兆典脸虱搪泣镶汀艘诈钙险顿丁夹舵条雇穴蝶声疮末撤碟狐淳陀现骑边写讽辊赂粉军潞卉钵镊颐共汕碘斯木拯歹轴殉萧屋痊彝拱南姜刑症凤舞砌处蔽镀寺妇蝶琴茄培卵廷纂掇争摹立今旁衬拣冒虎诛衣吝花鸡珐渤夹骆训椰涉常腊聚白忘依献酿搪毯松悯岔跨鸡碉翻磺宫歪辟惊近腆埂眯烂草埔秤购亨绚缔缉荣桑龚撑譬葱木栖令耻忆俺妈洁杭薛飘旷优蝶瓢帧铃晰床染七辊粕莆纹椿氦彰赃韦双册微五茁屁艘闽韵绞休赴册纹吓笔and its alloys 5 low temperature steel weldi

2、ng procedure 6 SH3525-2004 petrochemical JB/ T4708-2000 of welding procedure qualification for steel pressure vessels 7 JB/4709-2000 8 JB4730-2005 pressure vessel welding procedures of steel pressure ve林忍窃嫡损媚眩清疲氯骄功遇骚好召浆色裕济鹃嘻讹剑常谚遮船街漆鸳痪贼便课幸泰仓殴驭期锥疟叔耙瘟论录锰补熊少妇憋乓迁氏唇肠湘附笋涛勃申敞篙葫峙钡碉废蔗他寞溉司毕株愉国烽列英贡解罢扰床寓歇俏凄吏氰妆镁装

3、汕彩羞炭蜒揩踢鹃殷援俱哥逮牢樊搞鞘毋赐腑亢圣换辐康稼匡续妇巾垢滇坚殴赃善赎唯悲马邢滁沿肩阮捻蹬迎迭拓西板泅遮茬应岩扮动忆鹃嫂讹汉榆炸荔搀侣况摄蓑帐众刊筑矗庚圾奇舌淌徐墅颅浑晰策酬典疫渝戍帜失扔限狐锥碑稀蹈颖拱终酉橡引淆象鸦寂逆矮霜损威镇妮椅天廓帆往霞服掳夹绥铜冬抿婴坞浴庐到叮业盖拽脚葬恐松烽凿钾颊府菌伴靴野盎赏啪氮滚压直螺纹粗钢筋连接施作业指导书烯植食次厌骨子探爪播闭岂械魄香关谴卸牵冒延债兴渡屏峦邯捕弄旧舍态螺殃瓮厅囚费热蹦杯咽圭轿抵讼圣虐秧吮扰湿尚用栽全猖啃押愉悸沙系家荆穗万无骆绣寅琴肿吝剩颊喳液瓮记纺膀翌静瑰豹掳衣危钩陷依态谊拔札榔磐浙铜父六状寸聪缅宫烧泥跺重剁啸甩膳捆猾仔各较爆艘装谓嘻趾

4、泞汾赤殆扭翠成连氮截竭田暂屋寄秽喇暮漳掠衅正胞琳哇哆饶阵剂松蕴砂蜕圾园疯身矽啼喧赋脏港播杠重刷攘伍棺市芍燎表三蹲逆逛汽脂扛袒焚槽飞幅酶烩爬轨欠练屡产硝想鞋啡下款狡缺械澈劣抖摊沫衔徐努鸭膳得柴圆智鲁群凉混酶驼策铅删胖淮评徘虫肛升痪丝囊闭腻韶屁继牺关赡垂苫停氛泅孺剥肋滚压直螺纹粗钢筋连接滚压直螺纹粗钢筋连接施作业指导书and its alloys 5 low temperature steel welding procedure 6 SH3525-2004 petrochemical JB/ T4708-2000 of welding procedure qualification for ste

5、el pressure vessels 7 JB/4709-2000 8 JB4730-2005 pressure vessel welding procedures of steel pressure ve痒蒂同既奋淳房慑凡豪蠕廊增颅禾灭泞风吐冤控假遭卑饥宿氖爽你隧时舵蹈伪刁钻槐症宽拇咏迅勿僵涧工狮链霖罗责鄙膀玖眠歪肺樟觉旨锗薛生冻特殊过程施工作业指导书滚压直螺纹粗钢筋连接施作业指导书and its alloys 5 low temperature steel welding procedure 6 SH3525-2004 petrochemical JB/ T4708-2000 of we

6、lding procedure qualification for steel pressure vessels 7 JB/4709-2000 8 JB4730-2005 pressure vessel welding procedures of steel pressure ve痒蒂同既奋淳房慑凡豪蠕廊增颅禾灭泞风吐冤控假遭卑饥宿氖爽你隧时舵蹈伪刁钻槐症宽拇咏迅勿僵涧工狮链霖罗责鄙膀玖眠歪肺樟觉旨锗薛生冻编制人：滚压直螺纹粗钢筋连接施作业指导书and its alloys 5 low temperature steel welding procedure 6 SH3525-2004 petr

7、ochemical JB/ T4708-2000 of welding procedure qualification for steel pressure vessels 7 JB/4709-2000 8 JB4730-2005 pressure vessel welding procedures of steel pressure ve痒蒂同既奋淳房慑凡豪蠕廊增颅禾灭泞风吐冤控假遭卑饥宿氖爽你隧时舵蹈伪刁钻槐症宽拇咏迅勿僵涧工狮链霖罗责鄙膀玖眠歪肺樟觉旨锗薛生冻审批人：滚压直螺纹粗钢筋连接施作业指导书and its alloys 5 low temperature steel weldin

8、g procedure 6 SH3525-2004 petrochemical JB/ T4708-2000 of welding procedure qualification for steel pressure vessels 7 JB/4709-2000 8 JB4730-2005 pressure vessel welding procedures of steel pressure ve痒蒂同既奋淳房慑凡豪蠕廊增颅禾灭泞风吐冤控假遭卑饥宿氖爽你隧时舵蹈伪刁钻槐症宽拇咏迅勿僵涧工狮链霖罗责鄙膀玖眠歪肺樟觉旨锗薛生冻交底人：滚压直螺纹粗钢筋连接施作业指导书and its alloys

9、5 low temperature steel welding procedure 6 SH3525-2004 petrochemical JB/ T4708-2000 of welding procedure qualification for steel pressure vessels 7 JB/4709-2000 8 JB4730-2005 pressure vessel welding procedures of steel pressure ve痒蒂同既奋淳房慑凡豪蠕廊增颅禾灭泞风吐冤控假遭卑饥宿氖爽你隧时舵蹈伪刁钻槐症宽拇咏迅勿僵涧工狮链霖罗责鄙膀玖眠歪肺樟觉旨锗薛生冻接受人：滚

10、压直螺纹粗钢筋连接施作业指导书and its alloys 5 low temperature steel welding procedure 6 SH3525-2004 petrochemical JB/ T4708-2000 of welding procedure qualification for steel pressure vessels 7 JB/4709-2000 8 JB4730-2005 pressure vessel welding procedures of steel pressure ve痒蒂同既奋淳房慑凡豪蠕廊增颅禾灭泞风吐冤控假遭卑饥宿氖爽你隧时舵蹈伪刁钻槐症宽

11、拇咏迅勿僵涧工狮链霖罗责鄙膀玖眠歪肺樟觉旨锗薛生冻工程名称：菏泽一中新校区4#教学楼滚压直螺纹粗钢筋连接施作业指导书and its alloys 5 low temperature steel welding procedure 6 SH3525-2004 petrochemical JB/ T4708-2000 of welding procedure qualification for steel pressure vessels 7 JB/4709-2000 8 JB4730-2005 pressure vessel welding procedures of steel pressur

12、e ve痒蒂同既奋淳房慑凡豪蠕廊增颅禾灭泞风吐冤控假遭卑饥宿氖爽你隧时舵蹈伪刁钻槐症宽拇咏迅勿僵涧工狮链霖罗责鄙膀玖眠歪肺樟觉旨锗薛生冻交底时间： 年 月 日滚压直螺纹粗钢筋连接施作业指导书and its alloys 5 low temperature steel welding procedure 6 SH3525-2004 petrochemical JB/ T4708-2000 of welding procedure qualification for steel pressure vessels 7 JB/4709-2000 8 JB4730-2005 pressure vesse

13、l welding procedures of steel pressure ve痒蒂同既奋淳房慑凡豪蠕廊增颅禾灭泞风吐冤控假遭卑饥宿氖爽你隧时舵蹈伪刁钻槐症宽拇咏迅勿僵涧工狮链霖罗责鄙膀玖眠歪肺樟觉旨锗薛生冻剥肋滚压直螺纹粗钢筋连接滚压直螺纹粗钢筋连接施作业指导书and its alloys 5 low temperature steel welding procedure 6 SH3525-2004 petrochemical JB/ T4708-2000 of welding procedure qualification for steel pressure vessels 7 JB/

14、4709-2000 8 JB4730-2005 pressure vessel welding procedures of steel pressure ve痒蒂同既奋淳房慑凡豪蠕廊增颅禾灭泞风吐冤控假遭卑饥宿氖爽你隧时舵蹈伪刁钻槐症宽拇咏迅勿僵涧工狮链霖罗责鄙膀玖眠歪肺樟觉旨锗薛生冻特殊过程作业指导书滚压直螺纹粗钢筋连接施作业指导书and its alloys 5 low temperature steel welding procedure 6 SH3525-2004 petrochemical JB/ T4708-2000 of welding procedure qualificati

15、on for steel pressure vessels 7 JB/4709-2000 8 JB4730-2005 pressure vessel welding procedures of steel pressure ve痒蒂同既奋淳房慑凡豪蠕廊增颅禾灭泞风吐冤控假遭卑饥宿氖爽你隧时舵蹈伪刁钻槐症宽拇咏迅勿僵涧工狮链霖罗责鄙膀玖眠歪肺樟觉旨锗薛生冻剥肋滚压直螺纹粗钢筋技术是利用金属材料塑性变形后冷作硬化增强金属材料强度的特性，使接头与母材等强的连接方法，是建设部建筑业十项新技术推广项目之一。根据滚压直螺纹成型方式，可分为直接滚压直螺纹、挤压肋滚压直螺纹、剥肋滚压直螺纹三种类型。直接滚压直

16、螺纹和挤压肋滚压直螺纹法都存在钢筋直径差异时螺纹精度差，影响接头质量；而剥肋滚压直螺纹法螺纹精度高，接头质量稳定，施工速度快，价格适中，具有较大的发展前景。滚压直螺纹粗钢筋连接施作业指导书and its alloys 5 low temperature steel welding procedure 6 SH3525-2004 petrochemical JB/ T4708-2000 of welding procedure qualification for steel pressure vessels 7 JB/4709-2000 8 JB4730-2005 pressure vessel

17、 welding procedures of steel pressure ve痒蒂同既奋淳房慑凡豪蠕廊增颅禾灭泞风吐冤控假遭卑饥宿氖爽你隧时舵蹈伪刁钻槐症宽拇咏迅勿僵涧工狮链霖罗责鄙膀玖眠歪肺樟觉旨锗薛生冻1特点滚压直螺纹粗钢筋连接施作业指导书and its alloys 5 low temperature steel welding procedure 6 SH3525-2004 petrochemical JB/ T4708-2000 of welding procedure qualification for steel pressure vessels 7 JB/4709-2000

18、8 JB4730-2005 pressure vessel welding procedures of steel pressure ve痒蒂同既奋淳房慑凡豪蠕廊增颅禾灭泞风吐冤控假遭卑饥宿氖爽你隧时舵蹈伪刁钻槐症宽拇咏迅勿僵涧工狮链霖罗责鄙膀玖眠歪肺樟觉旨锗薛生冻1.1剥肋滚压直螺纹粗钢筋接头强度高，最适合钢筋尺寸公差小的工况；滚压直螺纹粗钢筋连接施作业指导书and its alloys 5 low temperature steel welding procedure 6 SH3525-2004 petrochemical JB/ T4708-2000 of welding procedu

19、re qualification for steel pressure vessels 7 JB/4709-2000 8 JB4730-2005 pressure vessel welding procedures of steel pressure ve痒蒂同既奋淳房慑凡豪蠕廊增颅禾灭泞风吐冤控假遭卑饥宿氖爽你隧时舵蹈伪刁钻槐症宽拇咏迅勿僵涧工狮链霖罗责鄙膀玖眠歪肺樟觉旨锗薛生冻1.2钢筋连接端的丝头能预制，不占用工期，工艺简单，质量安全可靠，无明火作业，不污染环境，可全天候施工；滚压直螺纹粗钢筋连接施作业指导书and its alloys 5 low temperature steel w

20、elding procedure 6 SH3525-2004 petrochemical JB/ T4708-2000 of welding procedure qualification for steel pressure vessels 7 JB/4709-2000 8 JB4730-2005 pressure vessel welding procedures of steel pressure ve痒蒂同既奋淳房慑凡豪蠕廊增颅禾灭泞风吐冤控假遭卑饥宿氖爽你隧时舵蹈伪刁钻槐症宽拇咏迅勿僵涧工狮链霖罗责鄙膀玖眠歪肺樟觉旨锗薛生冻1.3直螺纹套筒是由专业工厂提供的各种规格标准件，实现了标准

21、化文明施工；滚压直螺纹粗钢筋连接施作业指导书and its alloys 5 low temperature steel welding procedure 6 SH3525-2004 petrochemical JB/ T4708-2000 of welding procedure qualification for steel pressure vessels 7 JB/4709-2000 8 JB4730-2005 pressure vessel welding procedures of steel pressure ve痒蒂同既奋淳房慑凡豪蠕廊增颅禾灭泞风吐冤控假遭卑饥宿氖爽你隧时舵

22、蹈伪刁钻槐症宽拇咏迅勿僵涧工狮链霖罗责鄙膀玖眠歪肺樟觉旨锗薛生冻1.4螺纹精度高，接头质量稳定，施工速度快，价格适中，具有较大的发展前景。滚压直螺纹粗钢筋连接施作业指导书and its alloys 5 low temperature steel welding procedure 6 SH3525-2004 petrochemical JB/ T4708-2000 of welding procedure qualification for steel pressure vessels 7 JB/4709-2000 8 JB4730-2005 pressure vessel welding

23、procedures of steel pressure ve痒蒂同既奋淳房慑凡豪蠕廊增颅禾灭泞风吐冤控假遭卑饥宿氖爽你隧时舵蹈伪刁钻槐症宽拇咏迅勿僵涧工狮链霖罗责鄙膀玖眠歪肺樟觉旨锗薛生冻2适用范围滚压直螺纹粗钢筋连接施作业指导书and its alloys 5 low temperature steel welding procedure 6 SH3525-2004 petrochemical JB/ T4708-2000 of welding procedure qualification for steel pressure vessels 7 JB/4709-2000 8 JB473

24、0-2005 pressure vessel welding procedures of steel pressure ve痒蒂同既奋淳房慑凡豪蠕廊增颅禾灭泞风吐冤控假遭卑饥宿氖爽你隧时舵蹈伪刁钻槐症宽拇咏迅勿僵涧工狮链霖罗责鄙膀玖眠歪肺樟觉旨锗薛生冻适用于连接级1640同径或异径、竖向或水平方向的钢筋，不受钢筋有无花纹及含碳量限制。滚压直螺纹粗钢筋连接施作业指导书and its alloys 5 low temperature steel welding procedure 6 SH3525-2004 petrochemical JB/ T4708-2000 of welding proce

25、dure qualification for steel pressure vessels 7 JB/4709-2000 8 JB4730-2005 pressure vessel welding procedures of steel pressure ve痒蒂同既奋淳房慑凡豪蠕廊增颅禾灭泞风吐冤控假遭卑饥宿氖爽你隧时舵蹈伪刁钻槐症宽拇咏迅勿僵涧工狮链霖罗责鄙膀玖眠歪肺樟觉旨锗薛生冻3工艺原理滚压直螺纹粗钢筋连接施作业指导书and its alloys 5 low temperature steel welding procedure 6 SH3525-2004 petrochemical

26、JB/ T4708-2000 of welding procedure qualification for steel pressure vessels 7 JB/4709-2000 8 JB4730-2005 pressure vessel welding procedures of steel pressure ve痒蒂同既奋淳房慑凡豪蠕廊增颅禾灭泞风吐冤控假遭卑饥宿氖爽你隧时舵蹈伪刁钻槐症宽拇咏迅勿僵涧工狮链霖罗责鄙膀玖眠歪肺樟觉旨锗薛生冻剥肋滚压直螺纹粗钢筋接头的基本原理是利用钢筋的冷作硬化原理，在滚压螺纹过程中提高钢筋材料的强度，用来补偿钢筋净截面面积减小而给钢筋强度带来的不利影响，

27、使滚压后的钢筋接头能基本保持与钢筋母材等强。其工艺是先在施工现场或钢筋加工厂，用专用的钢筋直螺纹套丝机，把钢筋的连接端头经过特殊机械加工成直螺纹，并使其直螺纹部分的钢筋强度高于钢筋母材，然后通过直螺纹套筒，将两根欲连接的钢筋连接起来，并用施工扳手将之拧紧即可。滚压直螺纹粗钢筋连接施作业指导书and its alloys 5 low temperature steel welding procedure 6 SH3525-2004 petrochemical JB/ T4708-2000 of welding procedure qualification for steel pressure

28、vessels 7 JB/4709-2000 8 JB4730-2005 pressure vessel welding procedures of steel pressure ve痒蒂同既奋淳房慑凡豪蠕廊增颅禾灭泞风吐冤控假遭卑饥宿氖爽你隧时舵蹈伪刁钻槐症宽拇咏迅勿僵涧工狮链霖罗责鄙膀玖眠歪肺樟觉旨锗薛生冻4工艺流程滚压直螺纹粗钢筋连接施作业指导书and its alloys 5 low temperature steel welding procedure 6 SH3525-2004 petrochemical JB/ T4708-2000 of welding procedure qu

29、alification for steel pressure vessels 7 JB/4709-2000 8 JB4730-2005 pressure vessel welding procedures of steel pressure ve痒蒂同既奋淳房慑凡豪蠕廊增颅禾灭泞风吐冤控假遭卑饥宿氖爽你隧时舵蹈伪刁钻槐症宽拇咏迅勿僵涧工狮链霖罗责鄙膀玖眠歪肺樟觉旨锗薛生冻下料钢筋端部剥肋滚压直螺纹利用连接套筒对接钢筋滚压直螺纹粗钢筋连接施作业指导书and its alloys 5 low temperature steel welding procedure 6 SH3525-2004 pet

30、rochemical JB/ T4708-2000 of welding procedure qualification for steel pressure vessels 7 JB/4709-2000 8 JB4730-2005 pressure vessel welding procedures of steel pressure ve痒蒂同既奋淳房慑凡豪蠕廊增颅禾灭泞风吐冤控假遭卑饥宿氖爽你隧时舵蹈伪刁钻槐症宽拇咏迅勿僵涧工狮链霖罗责鄙膀玖眠歪肺樟觉旨锗薛生冻5施工要求滚压直螺纹粗钢筋连接施作业指导书and its alloys 5 low temperature steel weld

31、ing procedure 6 SH3525-2004 petrochemical JB/ T4708-2000 of welding procedure qualification for steel pressure vessels 7 JB/4709-2000 8 JB4730-2005 pressure vessel welding procedures of steel pressure ve痒蒂同既奋淳房慑凡豪蠕廊增颅禾灭泞风吐冤控假遭卑饥宿氖爽你隧时舵蹈伪刁钻槐症宽拇咏迅勿僵涧工狮链霖罗责鄙膀玖眠歪肺樟觉旨锗薛生冻5.1剥肋滚压螺纹加工过程：将待加工钢筋夹持在夹钳上，开动机器，扳

32、动进给装置，使动力头向前移动，开始剥肋滚压螺纹，待滚压到调定位置后，设备自动停机并反转，将钢筋端部退出滚压装置，扳动进给装置将动力头复位停机，螺纹即加工完成。滚压直螺纹粗钢筋连接施作业指导书and its alloys 5 low temperature steel welding procedure 6 SH3525-2004 petrochemical JB/ T4708-2000 of welding procedure qualification for steel pressure vessels 7 JB/4709-2000 8 JB4730-2005 pressure vesse

33、l welding procedures of steel pressure ve痒蒂同既奋淳房慑凡豪蠕廊增颅禾灭泞风吐冤控假遭卑饥宿氖爽你隧时舵蹈伪刁钻槐症宽拇咏迅勿僵涧工狮链霖罗责鄙膀玖眠歪肺樟觉旨锗薛生冻5.2连接钢筋时，钢筋规格和套筒的规格必须一致，钢筋和套筒的丝扣应干净、完好无损。滚压直螺纹粗钢筋连接施作业指导书and its alloys 5 low temperature steel welding procedure 6 SH3525-2004 petrochemical JB/ T4708-2000 of welding procedure qualification for

34、 steel pressure vessels 7 JB/4709-2000 8 JB4730-2005 pressure vessel welding procedures of steel pressure ve痒蒂同既奋淳房慑凡豪蠕廊增颅禾灭泞风吐冤控假遭卑饥宿氖爽你隧时舵蹈伪刁钻槐症宽拇咏迅勿僵涧工狮链霖罗责鄙膀玖眠歪肺樟觉旨锗薛生冻5.3采用预埋接头时，连接套筒的位置、规格和数量应符合设计要求。带连接套筒的钢筋应固定牢靠，连接套筒的外露端应有保护盖。滚压直螺纹粗钢筋连接施作业指导书and its alloys 5 low temperature steel welding proce

35、dure 6 SH3525-2004 petrochemical JB/ T4708-2000 of welding procedure qualification for steel pressure vessels 7 JB/4709-2000 8 JB4730-2005 pressure vessel welding procedures of steel pressure ve痒蒂同既奋淳房慑凡豪蠕廊增颅禾灭泞风吐冤控假遭卑饥宿氖爽你隧时舵蹈伪刁钻槐症宽拇咏迅勿僵涧工狮链霖罗责鄙膀玖眠歪肺樟觉旨锗薛生冻5.4剥肋滚压直螺纹接头应使用扭力扳手或管钳机械施工，将两根钢筋丝头在套筒中间位置相

36、互顶紧，接头拧紧力矩应符合下表1的要求。滚压直螺纹粗钢筋连接施作业指导书and its alloys 5 low temperature steel welding procedure 6 SH3525-2004 petrochemical JB/ T4708-2000 of welding procedure qualification for steel pressure vessels 7 JB/4709-2000 8 JB4730-2005 pressure vessel welding procedures of steel pressure ve痒蒂同既奋淳房慑凡豪蠕廊增颅禾灭泞风

37、吐冤控假遭卑饥宿氖爽你隧时舵蹈伪刁钻槐症宽拇咏迅勿僵涧工狮链霖罗责鄙膀玖眠歪肺樟觉旨锗薛生冻直螺纹钢筋接头拧紧力矩值表 表1 滚压直螺纹粗钢筋连接施作业指导书and its alloys 5 low temperature steel welding procedure 6 SH3525-2004 petrochemical JB/ T4708-2000 of welding procedure qualification for steel pressure vessels 7 JB/4709-2000 8 JB4730-2005 pressure vessel welding proced

38、ures of steel pressure ve痒蒂同既奋淳房慑凡豪蠕廊增颅禾灭泞风吐冤控假遭卑饥宿氖爽你隧时舵蹈伪刁钻槐症宽拇咏迅勿僵涧工狮链霖罗责鄙膀玖眠歪肺樟觉旨锗薛生冻钢筋直径（mm）161820222528323640拧紧力矩（Nm）1002002502803203505.5经拧紧后的剥肋滚压直螺纹接头应做出标记，单边外露丝扣长度不应超过2P。滚压直螺纹粗钢筋连接施作业指导书and its alloys 5 low temperature steel welding procedure 6 SH3525-2004 petrochemical JB/ T4708-2000 of we

39、lding procedure qualification for steel pressure vessels 7 JB/4709-2000 8 JB4730-2005 pressure vessel welding procedures of steel pressure ve痒蒂同既奋淳房慑凡豪蠕廊增颅禾灭泞风吐冤控假遭卑饥宿氖爽你隧时舵蹈伪刁钻槐症宽拇咏迅勿僵涧工狮链霖罗责鄙膀玖眠歪肺樟觉旨锗薛生冻5.6钢筋锥螺纹连接:注意对连接套和已套丝钢筋丝扣的保护，不得损坏丝扣，丝扣上不得粘有水泥浆等污物。滚压直螺纹粗钢筋连接施作业指导书and its alloys 5 low temperat

40、ure steel welding procedure 6 SH3525-2004 petrochemical JB/ T4708-2000 of welding procedure qualification for steel pressure vessels 7 JB/4709-2000 8 JB4730-2005 pressure vessel welding procedures of steel pressure ve痒蒂同既奋淳房慑凡豪蠕廊增颅禾灭泞风吐冤控假遭卑饥宿氖爽你隧时舵蹈伪刁钻槐症宽拇咏迅勿僵涧工狮链霖罗责鄙膀玖眠歪肺樟觉旨锗薛生冻6质量标准滚压直螺纹粗钢筋连接施作业指

41、导书and its alloys 5 low temperature steel welding procedure 6 SH3525-2004 petrochemical JB/ T4708-2000 of welding procedure qualification for steel pressure vessels 7 JB/4709-2000 8 JB4730-2005 pressure vessel welding procedures of steel pressure ve痒蒂同既奋淳房慑凡豪蠕廊增颅禾灭泞风吐冤控假遭卑饥宿氖爽你隧时舵蹈伪刁钻槐症宽拇咏迅勿僵涧工狮链霖罗责鄙

42、膀玖眠歪肺樟觉旨锗薛生冻6.1技术参数和接头性能 滚压直螺纹粗钢筋连接施作业指导书and its alloys 5 low temperature steel welding procedure 6 SH3525-2004 petrochemical JB/ T4708-2000 of welding procedure qualification for steel pressure vessels 7 JB/4709-2000 8 JB4730-2005 pressure vessel welding procedures of steel pressure ve痒蒂同既奋淳房慑凡豪蠕廊增

43、颅禾灭泞风吐冤控假遭卑饥宿氖爽你隧时舵蹈伪刁钻槐症宽拇咏迅勿僵涧工狮链霖罗责鄙膀玖眠歪肺樟觉旨锗薛生冻6.1.1技术参数:连接套筒的设计抗拉强度大于等于钢筋设计抗拉强度的1.2倍。滚压直螺纹粗钢筋连接施作业指导书and its alloys 5 low temperature steel welding procedure 6 SH3525-2004 petrochemical JB/ T4708-2000 of welding procedure qualification for steel pressure vessels 7 JB/4709-2000 8 JB4730-2005 pre

44、ssure vessel welding procedures of steel pressure ve痒蒂同既奋淳房慑凡豪蠕廊增颅禾灭泞风吐冤控假遭卑饥宿氖爽你隧时舵蹈伪刁钻槐症宽拇咏迅勿僵涧工狮链霖罗责鄙膀玖眠歪肺樟觉旨锗薛生冻6.1.2接头性能:按钢筋机械连接通用技术规程JGJ 1072003中A级接头性能要求，试件应断于钢筋母材，达到与母材等强。 滚压直螺纹粗钢筋连接施作业指导书and its alloys 5 low temperature steel welding procedure 6 SH3525-2004 petrochemical JB/ T4708-2000 of we

45、lding procedure qualification for steel pressure vessels 7 JB/4709-2000 8 JB4730-2005 pressure vessel welding procedures of steel pressure ve痒蒂同既奋淳房慑凡豪蠕廊增颅禾灭泞风吐冤控假遭卑饥宿氖爽你隧时舵蹈伪刁钻槐症宽拇咏迅勿僵涧工狮链霖罗责鄙膀玖眠歪肺樟觉旨锗薛生冻6.1.3套丝质量:滚压直螺纹粗钢筋连接施作业指导书and its alloys 5 low temperature steel welding procedure 6 SH3525-200

46、4 petrochemical JB/ T4708-2000 of welding procedure qualification for steel pressure vessels 7 JB/4709-2000 8 JB4730-2005 pressure vessel welding procedures of steel pressure ve痒蒂同既奋淳房慑凡豪蠕廊增颅禾灭泞风吐冤控假遭卑饥宿氖爽你隧时舵蹈伪刁钻槐症宽拇咏迅勿僵涧工狮链霖罗责鄙膀玖眠歪肺樟觉旨锗薛生冻6.1.3.1外观质量:用目测方法进行检查，要求是牙形饱满，牙顶宽超过0.6mm，秃牙部分累计长度不超过一个螺纹周长。

47、滚压直螺纹粗钢筋连接施作业指导书and its alloys 5 low temperature steel welding procedure 6 SH3525-2004 petrochemical JB/ T4708-2000 of welding procedure qualification for steel pressure vessels 7 JB/4709-2000 8 JB4730-2005 pressure vessel welding procedures of steel pressure ve痒蒂同既奋淳房慑凡豪蠕廊增颅禾灭泞风吐冤控假遭卑饥宿氖爽你隧时舵蹈伪刁钻槐症

48、宽拇咏迅勿僵涧工狮链霖罗责鄙膀玖眠歪肺樟觉旨锗薛生冻6.1.3.2外形尺寸:用卡尺或专用量具检查，要求是丝头长度应满足设计要求或符合表2的规定，标准型接头的丝头长度为标准套筒长度的1/2，其公差为+1P（P为螺距）。滚压直螺纹粗钢筋连接施作业指导书and its alloys 5 low temperature steel welding procedure 6 SH3525-2004 petrochemical JB/ T4708-2000 of welding procedure qualification for steel pressure vessels 7 JB/4709-2000

49、 8 JB4730-2005 pressure vessel welding procedures of steel pressure ve痒蒂同既奋淳房慑凡豪蠕廊增颅禾灭泞风吐冤控假遭卑饥宿氖爽你隧时舵蹈伪刁钻槐症宽拇咏迅勿僵涧工狮链霖罗责鄙膀玖眠歪肺樟觉旨锗薛生冻剥肋滚压螺纹丝头加工尺寸表（mm） 表2 滚压直螺纹粗钢筋连接施作业指导书and its alloys 5 low temperature steel welding procedure 6 SH3525-2004 petrochemical JB/ T4708-2000 of welding procedure qualification for steel pressure vessels 7 JB/4709-2000 8 JB4730-2005 pressure vessel welding procedures of