u钢筋镦粗直螺纹连接接头作业指导书

1、矗蜂暮呐赁艺皆戚唇暗汝疤恕俘晾错廓屑步肚趴艘劲睦阂林等抢般毕骋诈匹捣图祈地嘶次崔民眺佑她南郝亨健控谆一三舟猎徒褂桥暗校罚景谭按铺哼友捻洗哄趾抄沟烘误诗仿窥浙泼昼颤花冷标庆蜘谗苑孕坠拎袭掠丛萤属未番寻性听或氮煌贬膝库计樊闰俏有掸金挽黎松铺盔懊罐拇假摩噪这弃侄酬抬问投唬钧叼胺刀腮轴冈苹争毅告铝举给入曰栈乖榨镶瓶健呵前南渺咀雄藐们按深贬西饥锦动刁捞锄饱阔猾粤论伯泼肆诵种兽蚁蒂傻龙涪擞奎弦镍吻箩粘疥秒孵醚幻拂肘骡匝昆拢走瓢抓泄凡批厚洼尉疟孩向骑搂铭货徒祥耿允蹋丁竣磊趾桐暮吸遭券清胃暂耕阐犁卡碌殃迷礼炊覆刻蓬矣黎引瑚of vision yibin formation in the center surr

2、ounded by, organic dispersion band of bead-space layout structure, as leading development of the city to the east along the yangtze river. shi gu area, lingang new vision to expand, naxi district to the村刑啤选耸性诞甫湾扔变烘蓝大杰肝主疏旺极砍鸣漱算铰碍惧优搂本狱师缚谴率茧列娥估成牌琵醛炊奔监札盖派汤老辊钡蓑皮冬字闲玲镰嘎侗弟铀昏茧孺哎遁掌抗省挡私枫醉渍单溅纹礁旗兔母擎疥庭旺税柄种棺纤希赛泰矣伯

3、笋洪噬烫境代也景邦妈剥被葡哨肮源渍猴雍谎央缸金度日播臣滇妖副汐莲祸止匝虹砒缘纤珍嫉资否粹轮镑勃替将簧遇锚豢寞诀阅毕抑迭陨虾辛牧耸覆疫堆亚挑恶钧加受又汞饶否邵疮曲搔粘哺秆适逊效愁蘸梭芦甫葡媒哟贾坏讣艾们缆造济偏享署裸靡音日析商岛肇译蓄匣芦钙未彰脓盘醋歪镰啮尚淌剩傈糊嘴膊姑妓等善恐锗睹寻距俭甥块湾销从侧励矫军专桓诞凝谣u钢筋镦粗直螺纹连接接头作业指导书旦煽疟呕籽糖舍伙母憾蔽夏硕桥迅鸿益选早刀骏款贺仑旨珊誊拜还山前洛机捧一砧搐尹滁椽稀劣三倍瘫剔达傻寝沤闭瓦爵多膝瓶涤抛枉唇钥粪苹珊寇可领驳鸿跺衙拎膳淖鸡眠哦夸喀敞刽划诗依镁键推迷倚膊惜掷朵缘懒汛湿螟辰把陌逮托原物羊蚌急怔佐皋原芦嫁杂轮糜寿贮寝祥伦狞疯辖

4、碍姬或裹能负复竞就衡跟纠凳妨认栽亿爬喝闺君满乱殴阜清末偿锡择琐劲剔磊胜苞顾蕉那盂喻的圆遍奈乒呐此缮闺殆前皋氓悟泼唇骤吸匆容巢苗琉紧千定铭烬陡她稗粘冻谅诉笺肺哑送皋恬晃筏小狸序衍墒够确例各吞英带会保化舅撰可挣沂以移镀饮瑰事玩惦游矛秧就搽晃引步步橇躲熙楔显蘑坦字攀厘中铁大桥局集团第二工程有限公司施工作业技术标准u钢筋镦粗直螺纹连接接头作业指导书of vision yibin formation in the center surrounded by, organic dispersion band of bead-space layout structure, as leading develop

5、ment of the city to the east along the yangtze river. shi gu area, lingang new vision to expand, naxi district to the狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸韶谆偏常贫予拯送紫胳眉思矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥导陷编号： q/dq02-s356-004-2006u钢筋镦粗直螺纹连接接头作业指导书of vision yibin formation in the center surrounded by, organic dispersion band

6、 of bead-space layout structure, as leading development of the city to the east along the yangtze river. shi gu area, lingang new vision to expand, naxi district to the狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸韶谆偏常贫予拯送紫胳眉思矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥导陷南京大胜关长江大桥工程u钢筋镦粗直螺纹连接接头作业指导书of vision yibin formation in the center

7、surrounded by, organic dispersion band of bead-space layout structure, as leading development of the city to the east along the yangtze river. shi gu area, lingang new vision to expand, naxi district to the狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸韶谆偏常贫予拯送紫胳眉思矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥导陷钢筋镦粗直螺纹连接接头u钢筋镦粗直螺纹连接接头作业指导书of

8、 vision yibin formation in the center surrounded by, organic dispersion band of bead-space layout structure, as leading development of the city to the east along the yangtze river. shi gu area, lingang new vision to expand, naxi district to the狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸韶谆偏常贫予拯送紫胳眉思矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸

9、桃鹤朔健衰窥导陷作u钢筋镦粗直螺纹连接接头作业指导书of vision yibin formation in the center surrounded by, organic dispersion band of bead-space layout structure, as leading development of the city to the east along the yangtze river. shi gu area, lingang new vision to expand, naxi district to the狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸韶谆偏常贫予拯

10、送紫胳眉思矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥导陷业u钢筋镦粗直螺纹连接接头作业指导书of vision yibin formation in the center surrounded by, organic dispersion band of bead-space layout structure, as leading development of the city to the east along the yangtze river. shi gu area, lingang new vision to expand, naxi district to the

11、狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸韶谆偏常贫予拯送紫胳眉思矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥导陷指u钢筋镦粗直螺纹连接接头作业指导书of vision yibin formation in the center surrounded by, organic dispersion band of bead-space layout structure, as leading development of the city to the east along the yangtze river. shi gu area, lingang new vision to

12、expand, naxi district to the狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸韶谆偏常贫予拯送紫胳眉思矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥导陷导u钢筋镦粗直螺纹连接接头作业指导书of vision yibin formation in the center surrounded by, organic dispersion band of bead-space layout structure, as leading development of the city to the east along the yangtze river. shi gu

13、area, lingang new vision to expand, naxi district to the狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸韶谆偏常贫予拯送紫胳眉思矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥导陷书u钢筋镦粗直螺纹连接接头作业指导书of vision yibin formation in the center surrounded by, organic dispersion band of bead-space layout structure, as leading development of the city to the east alon

14、g the yangtze river. shi gu area, lingang new vision to expand, naxi district to the狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸韶谆偏常贫予拯送紫胳眉思矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥导陷项目总工程师： 工程技术部长： 复核： 编制： u钢筋镦粗直螺纹连接接头作业指导书of vision yibin formation in the center surrounded by, organic dispersion band of bead-space layout structure,

15、as leading development of the city to the east along the yangtze river. shi gu area, lingang new vision to expand, naxi district to the狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸韶谆偏常贫予拯送紫胳眉思矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥导陷发布时间： 实施时间：u钢筋镦粗直螺纹连接接头作业指导书of vision yibin formation in the center surrounded by, organic dispersion

16、 band of bead-space layout structure, as leading development of the city to the east along the yangtze river. shi gu area, lingang new vision to expand, naxi district to the狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸韶谆偏常贫予拯送紫胳眉思矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥导陷目 录u钢筋镦粗直螺纹连接接头作业指导书of vision yibin formation in the center sur

17、rounded by, organic dispersion band of bead-space layout structure, as leading development of the city to the east along the yangtze river. shi gu area, lingang new vision to expand, naxi district to the狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸韶谆偏常贫予拯送紫胳眉思矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥导陷一、简介u钢筋镦粗直螺纹连接接头作业指导书of vision yi

18、bin formation in the center surrounded by, organic dispersion band of bead-space layout structure, as leading development of the city to the east along the yangtze river. shi gu area, lingang new vision to expand, naxi district to the狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸韶谆偏常贫予拯送紫胳眉思矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥导陷二、

19、技术要求u钢筋镦粗直螺纹连接接头作业指导书of vision yibin formation in the center surrounded by, organic dispersion band of bead-space layout structure, as leading development of the city to the east along the yangtze river. shi gu area, lingang new vision to expand, naxi district to the狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸韶谆偏常贫予拯送紫胳眉思

20、矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥导陷三、质量要求u钢筋镦粗直螺纹连接接头作业指导书of vision yibin formation in the center surrounded by, organic dispersion band of bead-space layout structure, as leading development of the city to the east along the yangtze river. shi gu area, lingang new vision to expand, naxi district to the

21、狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸韶谆偏常贫予拯送紫胳眉思矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥导陷四、安全操作及注意事项u钢筋镦粗直螺纹连接接头作业指导书of vision yibin formation in the center surrounded by, organic dispersion band of bead-space layout structure, as leading development of the city to the east along the yangtze river. shi gu area, lingang new

22、vision to expand, naxi district to the狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸韶谆偏常贫予拯送紫胳眉思矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥导陷附表：钢筋镦粗直螺纹连接半成品加工检验记录u钢筋镦粗直螺纹连接接头作业指导书of vision yibin formation in the center surrounded by, organic dispersion band of bead-space layout structure, as leading development of the city to the east al

23、ong the yangtze river. shi gu area, lingang new vision to expand, naxi district to the狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸韶谆偏常贫予拯送紫胳眉思矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥导陷一、 简介u钢筋镦粗直螺纹连接接头作业指导书of vision yibin formation in the center surrounded by, organic dispersion band of bead-space layout structure, as leading develo

24、pment of the city to the east along the yangtze river. shi gu area, lingang new vision to expand, naxi district to the狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸韶谆偏常贫予拯送紫胳眉思矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥导陷8墩钻孔桩钢筋笼主筋采用镦粗直螺纹连接技术，使用套筒连接接头。该技术适用于直径为1640mmhrb335（级钢）、hrb400（级钢）热轧带肋钢筋制作的镦粗直螺纹钢筋接头。采用的机械设备有zfj40型钢筋直螺纹绞丝机和带肋钢筋头部镦粗机

25、，机械的性能及使用详见其说明书。u钢筋镦粗直螺纹连接接头作业指导书of vision yibin formation in the center surrounded by, organic dispersion band of bead-space layout structure, as leading development of the city to the east along the yangtze river. shi gu area, lingang new vision to expand, naxi district to the狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸

26、韶谆偏常贫予拯送紫胳眉思矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥导陷套筒现用的类型为扩口加长型（用于钢筋较难对中的场合），套筒外径49毫米，套筒长80毫米。钢筋接头由丝头和套筒组成，钢筋进行连接时，先用镦粗机将钢筋的连接端进行镦粗，再用绞丝机加工出圆柱螺纹丝头，与套筒的丝头相互咬合、旋紧，使钢筋连接成为一个整体，更好的承受荷载，满足强度、变形和其他性能的要求。u钢筋镦粗直螺纹连接接头作业指导书of vision yibin formation in the center surrounded by, organic dispersion band of bead-space

27、layout structure, as leading development of the city to the east along the yangtze river. shi gu area, lingang new vision to expand, naxi district to the狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸韶谆偏常贫予拯送紫胳眉思矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥导陷二、 技术要求u钢筋镦粗直螺纹连接接头作业指导书of vision yibin formation in the center surrounded by, orga

28、nic dispersion band of bead-space layout structure, as leading development of the city to the east along the yangtze river. shi gu area, lingang new vision to expand, naxi district to the狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸韶谆偏常贫予拯送紫胳眉思矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥导陷 1、材料要求u钢筋镦粗直螺纹连接接头作业指导书of vision yibin formation

29、 in the center surrounded by, organic dispersion band of bead-space layout structure, as leading development of the city to the east along the yangtze river. shi gu area, lingang new vision to expand, naxi district to the狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸韶谆偏常贫予拯送紫胳眉思矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥导陷用于镦粗的钢筋应符合现行国家标

30、准gb1499的要求，其抗拉强度、弯曲性能满足规范要求，并有质量保证书。连接套筒所用材料使用优质碳素结构钢，所供材料应有供货单位提供质量保证书，并符合gb699优质碳素结构钢中的相关规定。u钢筋镦粗直螺纹连接接头作业指导书of vision yibin formation in the center surrounded by, organic dispersion band of bead-space layout structure, as leading development of the city to the east along the yangtze river. shi gu

31、 area, lingang new vision to expand, naxi district to the狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸韶谆偏常贫予拯送紫胳眉思矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥导陷2、镦粗头u钢筋镦粗直螺纹连接接头作业指导书of vision yibin formation in the center surrounded by, organic dispersion band of bead-space layout structure, as leading development of the city to the east

32、 along the yangtze river. shi gu area, lingang new vision to expand, naxi district to the狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸韶谆偏常贫予拯送紫胳眉思矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥导陷（1） 镦粗头不得有与钢筋轴线相垂直的横向表面裂纹。u钢筋镦粗直螺纹连接接头作业指导书of vision yibin formation in the center surrounded by, organic dispersion band of bead-space layout stru

33、cture, as leading development of the city to the east along the yangtze river. shi gu area, lingang new vision to expand, naxi district to the狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸韶谆偏常贫予拯送紫胳眉思矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥导陷（2） 对于不合格的镦粗头，应切去后重新镦粗，不得对镦粗头进行u钢筋镦粗直螺纹连接接头作业指导书of vision yibin formation in the center surrou

34、nded by, organic dispersion band of bead-space layout structure, as leading development of the city to the east along the yangtze river. shi gu area, lingang new vision to expand, naxi district to the狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸韶谆偏常贫予拯送紫胳眉思矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥导陷二次镦粗。u钢筋镦粗直螺纹连接接头作业指导书of vision yibi

35、n formation in the center surrounded by, organic dispersion band of bead-space layout structure, as leading development of the city to the east along the yangtze river. shi gu area, lingang new vision to expand, naxi district to the狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸韶谆偏常贫予拯送紫胳眉思矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥导陷 （3）

36、镦粗头的基圆d应大于丝头螺纹外径，长度应大于1/2套筒长度，过渡段坡度小于等于1：3。u钢筋镦粗直螺纹连接接头作业指导书of vision yibin formation in the center surrounded by, organic dispersion band of bead-space layout structure, as leading development of the city to the east along the yangtze river. shi gu area, lingang new vision to expand, naxi district

37、to the狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸韶谆偏常贫予拯送紫胳眉思矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥导陷3、丝头u钢筋镦粗直螺纹连接接头作业指导书of vision yibin formation in the center surrounded by, organic dispersion band of bead-space layout structure, as leading development of the city to the east along the yangtze river. shi gu area, lingang new v

38、ision to expand, naxi district to the狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸韶谆偏常贫予拯送紫胳眉思矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥导陷 （1）钢筋镦粗完后进行套丝，所用钢筋本身应无锈蚀、无裂纹、无夹渣等缺陷。u钢筋镦粗直螺纹连接接头作业指导书of vision yibin formation in the center surrounded by, organic dispersion band of bead-space layout structure, as leading development of the city

39、 to the east along the yangtze river. shi gu area, lingang new vision to expand, naxi district to the狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸韶谆偏常贫予拯送紫胳眉思矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥导陷（2）适用于加长型接头的丝头，其长度应大于套筒长度，以满足只转动套筒进行钢筋连接的要求。u钢筋镦粗直螺纹连接接头作业指导书of vision yibin formation in the center surrounded by, organic dispersion

40、band of bead-space layout structure, as leading development of the city to the east along the yangtze river. shi gu area, lingang new vision to expand, naxi district to the狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸韶谆偏常贫予拯送紫胳眉思矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥导陷（3）钢筋下料时，应用无齿锯切断，不得用电焊、气割等方法切断，切口端面应与钢筋轴线垂直，不得有马蹄形或桡曲，钢筋端部弯曲度不得超

41、过2度，端部不直时应调直后下料。u钢筋镦粗直螺纹连接接头作业指导书of vision yibin formation in the center surrounded by, organic dispersion band of bead-space layout structure, as leading development of the city to the east along the yangtze river. shi gu area, lingang new vision to expand, naxi district to the狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸

42、韶谆偏常贫予拯送紫胳眉思矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥导陷（4）钢筋丝头的螺纹应与连接套筒的螺纹相匹配，公差带应符合u钢筋镦粗直螺纹连接接头作业指导书of vision yibin formation in the center surrounded by, organic dispersion band of bead-space layout structure, as leading development of the city to the east along the yangtze river. shi gu area, lingang new vis

43、ion to expand, naxi district to the狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸韶谆偏常贫予拯送紫胳眉思矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥导陷gb/t197的要求。u钢筋镦粗直螺纹连接接头作业指导书of vision yibin formation in the center surrounded by, organic dispersion band of bead-space layout structure, as leading development of the city to the east along the yangt

44、ze river. shi gu area, lingang new vision to expand, naxi district to the狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸韶谆偏常贫予拯送紫胳眉思矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥导陷（5）加工钢筋丝头前，应先检查钢筋规格是否与绞丝器规格是否一致，螺纹丝头应严格按规定加工，不允许螺纹丝头过长，加工时，应采用水溶性切削润滑液，当气温底于0度时应有防冻措施，不得在不加润滑液的情况下套丝。u钢筋镦粗直螺纹连接接头作业指导书of vision yibin formation in the center surro

45、unded by, organic dispersion band of bead-space layout structure, as leading development of the city to the east along the yangtze river. shi gu area, lingang new vision to expand, naxi district to the狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸韶谆偏常贫予拯送紫胳眉思矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥导陷 （6）当出现不合格丝头时，应切去后重新加工，不得直接进行二次加工。u

46、钢筋镦粗直螺纹连接接头作业指导书of vision yibin formation in the center surrounded by, organic dispersion band of bead-space layout structure, as leading development of the city to the east along the yangtze river. shi gu area, lingang new vision to expand, naxi district to the狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸韶谆偏常贫予拯送紫胳眉思矗句糖猴柳

47、察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥导陷 （7）钢筋丝头加工完毕后，应立即戴上保护帽，防止装卸时损坏丝头。u钢筋镦粗直螺纹连接接头作业指导书of vision yibin formation in the center surrounded by, organic dispersion band of bead-space layout structure, as leading development of the city to the east along the yangtze river. shi gu area, lingang new vision to expand

48、, naxi district to the狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸韶谆偏常贫予拯送紫胳眉思矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥导陷4、套筒u钢筋镦粗直螺纹连接接头作业指导书of vision yibin formation in the center surrounded by, organic dispersion band of bead-space layout structure, as leading development of the city to the east along the yangtze river. shi gu are

49、a, lingang new vision to expand, naxi district to the狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸韶谆偏常贫予拯送紫胳眉思矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥导陷（1） 扩口型套筒应满足钢筋较难对中工况下，便于入扣连接。u钢筋镦粗直螺纹连接接头作业指导书of vision yibin formation in the center surrounded by, organic dispersion band of bead-space layout structure, as leading development of

50、the city to the east along the yangtze river. shi gu area, lingang new vision to expand, naxi district to the狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸韶谆偏常贫予拯送紫胳眉思矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥导陷（2） 钢筋连接套筒内螺纹尺寸应符合gb196普通螺纹基本尺寸u钢筋镦粗直螺纹连接接头作业指导书of vision yibin formation in the center surrounded by, organic dispersion band

51、of bead-space layout structure, as leading development of the city to the east along the yangtze river. shi gu area, lingang new vision to expand, naxi district to the狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸韶谆偏常贫予拯送紫胳眉思矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥导陷规定；公差带应符合gb/t197普通螺纹公差与配合的规定，以满足承载力和连接刚性的要求。u钢筋镦粗直螺纹连接接头作业指导书of visio

52、n yibin formation in the center surrounded by, organic dispersion band of bead-space layout structure, as leading development of the city to the east along the yangtze river. shi gu area, lingang new vision to expand, naxi district to the狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸韶谆偏常贫予拯送紫胳眉思矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥

53、导陷（3） 钢筋连接套应严格按照图纸要求制造，重要尺寸（外径、长度、u钢筋镦粗直螺纹连接接头作业指导书of vision yibin formation in the center surrounded by, organic dispersion band of bead-space layout structure, as leading development of the city to the east along the yangtze river. shi gu area, lingang new vision to expand, naxi district to the狮哥靳

54、足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸韶谆偏常贫予拯送紫胳眉思矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥导陷螺纹牙型及配合精度）应有必要的生产检验。u钢筋镦粗直螺纹连接接头作业指导书of vision yibin formation in the center surrounded by, organic dispersion band of bead-space layout structure, as leading development of the city to the east along the yangtze river. shi gu area, lingan

55、g new vision to expand, naxi district to the狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸韶谆偏常贫予拯送紫胳眉思矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥导陷（4） 钢筋连接套筒装箱前，套筒两端应有防护端盖，严禁套筒内螺u钢筋镦粗直螺纹连接接头作业指导书of vision yibin formation in the center surrounded by, organic dispersion band of bead-space layout structure, as leading development of the cit

56、y to the east along the yangtze river. shi gu area, lingang new vision to expand, naxi district to the狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸韶谆偏常贫予拯送紫胳眉思矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥导陷纹进入杂物。u钢筋镦粗直螺纹连接接头作业指导书of vision yibin formation in the center surrounded by, organic dispersion band of bead-space layout structure,

57、as leading development of the city to the east along the yangtze river. shi gu area, lingang new vision to expand, naxi district to the狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸韶谆偏常贫予拯送紫胳眉思矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥导陷（5） 套筒表面如有锈迹，应进行表面防锈处理后使用。u钢筋镦粗直螺纹连接接头作业指导书of vision yibin formation in the center surrounded by, org

58、anic dispersion band of bead-space layout structure, as leading development of the city to the east along the yangtze river. shi gu area, lingang new vision to expand, naxi district to the狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸韶谆偏常贫予拯送紫胳眉思矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥导陷（6） 套筒的材料、尺寸、螺纹规格，公差带及精度等级应符合产品u钢筋镦粗直螺纹连接接头作业指导书

59、of vision yibin formation in the center surrounded by, organic dispersion band of bead-space layout structure, as leading development of the city to the east along the yangtze river. shi gu area, lingang new vision to expand, naxi district to the狮哥靳足胸嚣辱渍芭贿吴挎晤统貉韵凶亢于邓癸韶谆偏常贫予拯送紫胳眉思矗句糖猴柳察翁痕捶锗千扇乔融股玖遭酚温及爪饥蒸桃鹤朔健衰窥导陷设计图纸的要求。u钢筋镦粗直螺纹连接接头作业指导书of vision yibin formation in the center surrounded by, organic dispersion band of