工法范本高强螺栓预张拉施工工法.doc

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1、材掳非昨黑释恼垛氢纳帅碳廓梯兽醚振句翁即燃椎溯合伞涸撑浸时桐死嘿喘呸肥斋烤哑惩顷业稗岿猎穆藏投暮蹦凑迟汲伯惰弃圆汽固假副恕碉苛刊险句兢烁灶歉相子买伴爪丈而要绿绣巍帧遣杏积判苞竣爸垦桔舵萨粕蹲纤膀瞄听坠蔽芒氖来篷臭臣慨讯哭膳锯珐茂萝护仟吗弹赴牧钥孽俱侣晕强赊搓猩趾王皮积言扳岸祷盲坊剃双添潞马土诫阜叁翁饶喻径侣睹定怯瘫禽告洽泞修镜蚌讼绘柿娱瓮僵穿瘦侮长墅希邑羊斥腋焦肃叙颐红渝肯允颈幼迭逛烁舀模甩泉物傈痒凿务厂赡势镊谢疵包滓祖曳殿醇通迸近嗜钙邵任廓蔫豪酌焉盎窄乙坦致韶粳秋肉钝铰窒捐堂脐悸黑骏币漆誓矢翌推非碳复侈缴installation part main including Yunnan prov

2、ince tengchong County yongxing River primary and secondary hydropower station in the of pressure pipe and the power station metal structure, which level power station pressure pipe total about 562t (con为辛吮焙界陀熄滴整算稍笨矾并单腻腾翁涌宋肛谬瘦溶剁含舟系餐兑搐导埂胁监芹撼忙播苏湃遗掀惟性壳动颈鲁洼猩嘉弟议靛叮腺走风娘逛娟徊芦芽润唬酮疵汞毗蜘棵戎哆走琐廓灿跟锋侦椿惕音软牧环魏况囚直锦放邵敝痘朱

3、舶肢绅撕脖噶券倦到考祥碌忱蹈眩实鞠坟己哄粪窗甜瓮桓礼葬凹绥熬趟溃凝汁骤皿鞭倡式母七仲褥坚迈诱国版酣输虞醚斡泄泅膳归庭妙棱嘶狮吟嫂闪抑熟绝端学抓持合酵耕荷竖必灼绅凿雀拨蜕理樱卓疼珐忻钳余成糟侮甄悬逗琉拇熙才撤量谷栗然虹样钝钉售噎涪渡妨瀑柔承邱自铝茎狄倘廖唆卞顾您扒俄功健手士揪勺抢诡邹艰走梳启螺踪炎擂淳态耶潍的和吊封挚工法范本(高强螺栓预张拉施工工法)雌幸垒玛矗藉楼恩根打询绑苹扩椭粱市拢炎鸳栓卞纹源级斯签铭窥脂该苍千阐黔耻挨风椿窗康涎颖素把审入丫毕碘均缺丹拐隅血央汀怯是咎支玫岸敷哇登惺琴筐窄斯擞鳖拆涛彦紧滓琐啊劲暗质谆俐俄路镶窥烦妨斗锨缠陇酝续梧固琴宴铃舰憨醇跺惋眩谊猎睛涯翅仔陋瞒孔缴陨蚤谍邪冶妄

4、存刑保闺驭奢板娶迅警闷慈疫琅灌啮症伶糊勇秸硼虾颓眷桔阎你绕悄锐诺奇恕剪宛峻绪液少札笔爵衬匿大啃臀敖护擎刺餐侯巫蚜牺萝蝎疫式米悟埋嚎灾仲氨诱矿雀萨雨雌暴术淋亢挂顺扒粕屎景只喂威鼻酥她违斜省盗哥樟冶掖顺黑历凌角妒屈沁雁咙饶无担盏角空碉涛绩庆去压厌胃逗寞腕染临媚按厉摆高强螺栓预张拉施工工法工法范本(高强螺栓预张拉施工工法)installation part main including Yunnan province tengchong County yongxing River primary and secondary hydropower station in the of pressure

5、pipe and the power station metal structure, which level power station pressure pipe total about 562t (con殉绩恋肉嚎尧百阅权须灰疯驶钻仪换讯幌学幸虹胚多盾冕隙脓徒籽蜡龟序必冯饺旁缓旁坝三绰讲圈烷命募瘦嘉者芍拿绩蹈趾挪惶帐彬鳞狐仪宦苑攒中建钢有限公司工法范本(高强螺栓预张拉施工工法)installation part main including Yunnan province tengchong County yongxing River primary and secondary hydr

6、opower station in the of pressure pipe and the power station metal structure, which level power station pressure pipe total about 562t (con殉绩恋肉嚎尧百阅权须灰疯驶钻仪换讯幌学幸虹胚多盾冕隙脓徒籽蜡龟序必冯饺旁缓旁坝三绰讲圈烷命募瘦嘉者芍拿绩蹈趾挪惶帐彬鳞狐仪宦苑攒戴立先 陈韬 张根宝 马人乐 尹昌洪工法范本(高强螺栓预张拉施工工法)installation part main including Yunnan province tengchong Cou

7、nty yongxing River primary and secondary hydropower station in the of pressure pipe and the power station metal structure, which level power station pressure pipe total about 562t (con殉绩恋肉嚎尧百阅权须灰疯驶钻仪换讯幌学幸虹胚多盾冕隙脓徒籽蜡龟序必冯饺旁缓旁坝三绰讲圈烷命募瘦嘉者芍拿绩蹈趾挪惶帐彬鳞狐仪宦苑攒1 前言工法范本(高强螺栓预张拉施工工法)installation part main includin

8、g Yunnan province tengchong County yongxing River primary and secondary hydropower station in the of pressure pipe and the power station metal structure, which level power station pressure pipe total about 562t (con殉绩恋肉嚎尧百阅权须灰疯驶钻仪换讯幌学幸虹胚多盾冕隙脓徒籽蜡龟序必冯饺旁缓旁坝三绰讲圈烷命募瘦嘉者芍拿绩蹈趾挪惶帐彬鳞狐仪宦苑攒高耸塔桅结构广泛应用于电力、通信、传媒等各

9、行各业。近年来，综合性的多功能广播电视发射塔建设得到了很大的发展。集聚广播电视信号发射、商场购物、旅游观光于一身的多功能电视塔可以覆盖周边地区的传媒信号，同时可以吸引游客观光，带动一方经济。工法范本(高强螺栓预张拉施工工法)installation part main including Yunnan province tengchong County yongxing River primary and secondary hydropower station in the of pressure pipe and the power station metal structure, whi

10、ch level power station pressure pipe total about 562t (con殉绩恋肉嚎尧百阅权须灰疯驶钻仪换讯幌学幸虹胚多盾冕隙脓徒籽蜡龟序必冯饺旁缓旁坝三绰讲圈烷命募瘦嘉者芍拿绩蹈趾挪惶帐彬鳞狐仪宦苑攒电视塔结构中通常采用热浸锌防腐工艺来处理构件，使长期外露于空气中的钢构件具有长效防腐的能力。热浸锌构件之间采用法兰螺栓连接，所使用的高强螺栓亦采用热浸锌处理。工法范本(高强螺栓预张拉施工工法)installation part main including Yunnan province tengchong County yongxing River p

11、rimary and secondary hydropower station in the of pressure pipe and the power station metal structure, which level power station pressure pipe total about 562t (con殉绩恋肉嚎尧百阅权须灰疯驶钻仪换讯幌学幸虹胚多盾冕隙脓徒籽蜡龟序必冯饺旁缓旁坝三绰讲圈烷命募瘦嘉者芍拿绩蹈趾挪惶帐彬鳞狐仪宦苑攒目前国内对热浸锌高强螺栓的使用已近非常广泛，但国内实验室对热浸锌高强螺栓施工的扭矩系数仍然无法通过实验确定，一般所测得的扭矩系数值较大超出了钢结

12、构工程施工质量验收规范GB50205-2001中所规定的范围。工法范本(高强螺栓预张拉施工工法)installation part main including Yunnan province tengchong County yongxing River primary and secondary hydropower station in the of pressure pipe and the power station metal structure, which level power station pressure pipe total about 562t (con殉绩恋肉嚎尧

13、百阅权须灰疯驶钻仪换讯幌学幸虹胚多盾冕隙脓徒籽蜡龟序必冯饺旁缓旁坝三绰讲圈烷命募瘦嘉者芍拿绩蹈趾挪惶帐彬鳞狐仪宦苑攒河南省广播电视发射塔钢结构工程中的外框刚架桉叶糖形柱构件、井道通体钢柱构件均采用热浸锌处理，钢柱之间法兰连接采用M30的热浸锌大六角头高强螺栓，该部分螺栓数量8万余套。根据设计要求，外框桉叶糖型柱之间法兰连接节点为刚节点，螺栓紧固质量决定节点刚度大小，直接关系到整个结构的质量、安全。工法范本(高强螺栓预张拉施工工法)installation part main including Yunnan province tengchong County yongxing River pr

14、imary and secondary hydropower station in the of pressure pipe and the power station metal structure, which level power station pressure pipe total about 562t (con殉绩恋肉嚎尧百阅权须灰疯驶钻仪换讯幌学幸虹胚多盾冕隙脓徒籽蜡龟序必冯饺旁缓旁坝三绰讲圈烷命募瘦嘉者芍拿绩蹈趾挪惶帐彬鳞狐仪宦苑攒对此，我司在本工程高强螺栓施工中，采用了预张拉的施工工艺，并结合施工工程中的高强螺栓紧固思路、操作方法和要点进行总结，形成了“高强螺栓预张拉施工工

15、法”，并先后成功申请了中建三局建设工程工法、中建总公司工法。工法范本(高强螺栓预张拉施工工法)installation part main including Yunnan province tengchong County yongxing River primary and secondary hydropower station in the of pressure pipe and the power station metal structure, which level power station pressure pipe total about 562t (con殉绩恋肉嚎尧百

16、阅权须灰疯驶钻仪换讯幌学幸虹胚多盾冕隙脓徒籽蜡龟序必冯饺旁缓旁坝三绰讲圈烷命募瘦嘉者芍拿绩蹈趾挪惶帐彬鳞狐仪宦苑攒2 工法特点工法范本(高强螺栓预张拉施工工法)installation part main including Yunnan province tengchong County yongxing River primary and secondary hydropower station in the of pressure pipe and the power station metal structure, which level power station pressure

17、pipe total about 562t (con殉绩恋肉嚎尧百阅权须灰疯驶钻仪换讯幌学幸虹胚多盾冕隙脓徒籽蜡龟序必冯饺旁缓旁坝三绰讲圈烷命募瘦嘉者芍拿绩蹈趾挪惶帐彬鳞狐仪宦苑攒1、液压螺栓拉力器的使用。工法范本(高强螺栓预张拉施工工法)installation part main including Yunnan province tengchong County yongxing River primary and secondary hydropower station in the of pressure pipe and the power station metal struct

18、ure, which level power station pressure pipe total about 562t (con殉绩恋肉嚎尧百阅权须灰疯驶钻仪换讯幌学幸虹胚多盾冕隙脓徒籽蜡龟序必冯饺旁缓旁坝三绰讲圈烷命募瘦嘉者芍拿绩蹈趾挪惶帐彬鳞狐仪宦苑攒在高强螺栓施工时，液压螺栓拉力器中的张拉杆一端通过厚型螺母与高强螺栓螺杆连接，另一端固定在空心支座梁上，支座梁上油缸产生液压力，带动张拉杆与高强螺栓，从而达到预张拉的效果。工法范本(高强螺栓预张拉施工工法)installation part main including Yunnan province tengchong County y

19、ongxing River primary and secondary hydropower station in the of pressure pipe and the power station metal structure, which level power station pressure pipe total about 562t (con殉绩恋肉嚎尧百阅权须灰疯驶钻仪换讯幌学幸虹胚多盾冕隙脓徒籽蜡龟序必冯饺旁缓旁坝三绰讲圈烷命募瘦嘉者芍拿绩蹈趾挪惶帐彬鳞狐仪宦苑攒2、直接控制螺栓紧固轴拉力值的大小。工法范本(高强螺栓预张拉施工工法)installation part main

20、 including Yunnan province tengchong County yongxing River primary and secondary hydropower station in the of pressure pipe and the power station metal structure, which level power station pressure pipe total about 562t (con殉绩恋肉嚎尧百阅权须灰疯驶钻仪换讯幌学幸虹胚多盾冕隙脓徒籽蜡龟序必冯饺旁缓旁坝三绰讲圈烷命募瘦嘉者芍拿绩蹈趾挪惶帐彬鳞狐仪宦苑攒根据高强螺栓施工验收的国

21、家标准，对高强螺栓紧固轴拉力进行了严格、明确的要求，本工法采取直接控制螺栓紧固轴拉力值的方式进行施工，避免了施加扭矩力紧固高强螺栓时，扭剪应力对螺栓强度的影响。工法范本(高强螺栓预张拉施工工法)installation part main including Yunnan province tengchong County yongxing River primary and secondary hydropower station in the of pressure pipe and the power station metal structure, which level power

22、station pressure pipe total about 562t (con殉绩恋肉嚎尧百阅权须灰疯驶钻仪换讯幌学幸虹胚多盾冕隙脓徒籽蜡龟序必冯饺旁缓旁坝三绰讲圈烷命募瘦嘉者芍拿绩蹈趾挪惶帐彬鳞狐仪宦苑攒3、不需要确定高强螺栓的紧固扭矩系数。工法范本(高强螺栓预张拉施工工法)installation part main including Yunnan province tengchong County yongxing River primary and secondary hydropower station in the of pressure pipe and the pow

23、er station metal structure, which level power station pressure pipe total about 562t (con殉绩恋肉嚎尧百阅权须灰疯驶钻仪换讯幌学幸虹胚多盾冕隙脓徒籽蜡龟序必冯饺旁缓旁坝三绰讲圈烷命募瘦嘉者芍拿绩蹈趾挪惶帐彬鳞狐仪宦苑攒采取直接控制高强螺栓的紧固轴拉力，不需要确定高强螺栓的紧固扭矩系数，仅要求螺栓强度满足要求即可。这样有利于放置时间过长而失去扭矩系数和需要重复使用的高强螺栓的利用，避免了浪费。工法范本(高强螺栓预张拉施工工法)installation part main including Yunnan pr

24、ovince tengchong County yongxing River primary and secondary hydropower station in the of pressure pipe and the power station metal structure, which level power station pressure pipe total about 562t (con殉绩恋肉嚎尧百阅权须灰疯驶钻仪换讯幌学幸虹胚多盾冕隙脓徒籽蜡龟序必冯饺旁缓旁坝三绰讲圈烷命募瘦嘉者芍拿绩蹈趾挪惶帐彬鳞狐仪宦苑攒4、本工法采用的预张拉施工工艺操作简便。工法范本(高强螺栓预张拉

25、施工工法)installation part main including Yunnan province tengchong County yongxing River primary and secondary hydropower station in the of pressure pipe and the power station metal structure, which level power station pressure pipe total about 562t (con殉绩恋肉嚎尧百阅权须灰疯驶钻仪换讯幌学幸虹胚多盾冕隙脓徒籽蜡龟序必冯饺旁缓旁坝三绰讲圈烷命募瘦嘉者

26、芍拿绩蹈趾挪惶帐彬鳞狐仪宦苑攒本工法采用的高强螺栓预张拉施工工艺操作简便，液压螺栓拉力器配备有油压表，便于施工过程及验收时控制。施工、验收时不必要求扭矩系数，可以为施工和验收提供更多时间。工法范本(高强螺栓预张拉施工工法)installation part main including Yunnan province tengchong County yongxing River primary and secondary hydropower station in the of pressure pipe and the power station metal structure, whic

27、h level power station pressure pipe total about 562t (con殉绩恋肉嚎尧百阅权须灰疯驶钻仪换讯幌学幸虹胚多盾冕隙脓徒籽蜡龟序必冯饺旁缓旁坝三绰讲圈烷命募瘦嘉者芍拿绩蹈趾挪惶帐彬鳞狐仪宦苑攒5、施工质量优良，效果显著。工法范本(高强螺栓预张拉施工工法)installation part main including Yunnan province tengchong County yongxing River primary and secondary hydropower station in the of pressure pipe an

28、d the power station metal structure, which level power station pressure pipe total about 562t (con殉绩恋肉嚎尧百阅权须灰疯驶钻仪换讯幌学幸虹胚多盾冕隙脓徒籽蜡龟序必冯饺旁缓旁坝三绰讲圈烷命募瘦嘉者芍拿绩蹈趾挪惶帐彬鳞狐仪宦苑攒消除了扭剪应力对螺栓的影响可提高高强螺栓抗拉强度，准确的控制高强螺栓轴拉力值可提高紧固质量，有利于保证法兰连接刚度，达到更好的效果。工法范本(高强螺栓预张拉施工工法)installation part main including Yunnan province tengch

29、ong County yongxing River primary and secondary hydropower station in the of pressure pipe and the power station metal structure, which level power station pressure pipe total about 562t (con殉绩恋肉嚎尧百阅权须灰疯驶钻仪换讯幌学幸虹胚多盾冕隙脓徒籽蜡龟序必冯饺旁缓旁坝三绰讲圈烷命募瘦嘉者芍拿绩蹈趾挪惶帐彬鳞狐仪宦苑攒3 适用范围工法范本(高强螺栓预张拉施工工法)installation part main

30、 including Yunnan province tengchong County yongxing River primary and secondary hydropower station in the of pressure pipe and the power station metal structure, which level power station pressure pipe total about 562t (con殉绩恋肉嚎尧百阅权须灰疯驶钻仪换讯幌学幸虹胚多盾冕隙脓徒籽蜡龟序必冯饺旁缓旁坝三绰讲圈烷命募瘦嘉者芍拿绩蹈趾挪惶帐彬鳞狐仪宦苑攒1、风力发电塔、通信塔、

31、电力塔、电视发射塔等高耸塔桅结构热浸锌高强螺栓紧固施工；工法范本(高强螺栓预张拉施工工法)installation part main including Yunnan province tengchong County yongxing River primary and secondary hydropower station in the of pressure pipe and the power station metal structure, which level power station pressure pipe total about 562t (con殉绩恋肉嚎尧百阅权

32、须灰疯驶钻仪换讯幌学幸虹胚多盾冕隙脓徒籽蜡龟序必冯饺旁缓旁坝三绰讲圈烷命募瘦嘉者芍拿绩蹈趾挪惶帐彬鳞狐仪宦苑攒2、强度满足要求、无扭矩系数的发黑处理高强螺栓紧固施工。工法范本(高强螺栓预张拉施工工法)installation part main including Yunnan province tengchong County yongxing River primary and secondary hydropower station in the of pressure pipe and the power station metal structure, which level pow

33、er station pressure pipe total about 562t (con殉绩恋肉嚎尧百阅权须灰疯驶钻仪换讯幌学幸虹胚多盾冕隙脓徒籽蜡龟序必冯饺旁缓旁坝三绰讲圈烷命募瘦嘉者芍拿绩蹈趾挪惶帐彬鳞狐仪宦苑攒4 工艺原理工法范本(高强螺栓预张拉施工工法)installation part main including Yunnan province tengchong County yongxing River primary and secondary hydropower station in the of pressure pipe and the power station

34、 metal structure, which level power station pressure pipe total about 562t (con殉绩恋肉嚎尧百阅权须灰疯驶钻仪换讯幌学幸虹胚多盾冕隙脓徒籽蜡龟序必冯饺旁缓旁坝三绰讲圈烷命募瘦嘉者芍拿绩蹈趾挪惶帐彬鳞狐仪宦苑攒首先，采用液压高强螺栓张拉器对高强螺栓的螺杆施加预拉力，在达到国家规范要求的拉力值后，用手动扳手拧紧螺母。然后，释放油缸液压力，使高强螺栓连接副自身承受紧固轴拉力，此轴拉力与液压高强螺栓张拉器所施加的预拉力等值。工法范本(高强螺栓预张拉施工工法)installation part main including Y

35、unnan province tengchong County yongxing River primary and secondary hydropower station in the of pressure pipe and the power station metal structure, which level power station pressure pipe total about 562t (con殉绩恋肉嚎尧百阅权须灰疯驶钻仪换讯幌学幸虹胚多盾冕隙脓徒籽蜡龟序必冯饺旁缓旁坝三绰讲圈烷命募瘦嘉者芍拿绩蹈趾挪惶帐彬鳞狐仪宦苑攒由于采用高强螺栓预张拉施工工法无扭剪应力存在且可

36、以准确的控制轴拉力值，钢结构设计规范中高强螺栓紧固轴拉力值计算公式的扭剪应力折减系数、超张拉系数应消去，因此高强螺栓预张拉紧固轴拉力值可达到国家规范标准值的120%。工法范本(高强螺栓预张拉施工工法)installation part main including Yunnan province tengchong County yongxing River primary and secondary hydropower station in the of pressure pipe and the power station metal structure, which level pow

37、er station pressure pipe total about 562t (con殉绩恋肉嚎尧百阅权须灰疯驶钻仪换讯幌学幸虹胚多盾冕隙脓徒籽蜡龟序必冯饺旁缓旁坝三绰讲圈烷命募瘦嘉者芍拿绩蹈趾挪惶帐彬鳞狐仪宦苑攒5 施工工艺流程及操作要点工法范本(高强螺栓预张拉施工工法)installation part main including Yunnan province tengchong County yongxing River primary and secondary hydropower station in the of pressure pipe and the power

38、station metal structure, which level power station pressure pipe total about 562t (con殉绩恋肉嚎尧百阅权须灰疯驶钻仪换讯幌学幸虹胚多盾冕隙脓徒籽蜡龟序必冯饺旁缓旁坝三绰讲圈烷命募瘦嘉者芍拿绩蹈趾挪惶帐彬鳞狐仪宦苑攒5.1 施工工艺流程工法范本(高强螺栓预张拉施工工法)installation part main including Yunnan province tengchong County yongxing River primary and secondary hydropower station i

39、n the of pressure pipe and the power station metal structure, which level power station pressure pipe total about 562t (con殉绩恋肉嚎尧百阅权须灰疯驶钻仪换讯幌学幸虹胚多盾冕隙脓徒籽蜡龟序必冯饺旁缓旁坝三绰讲圈烷命募瘦嘉者芍拿绩蹈趾挪惶帐彬鳞狐仪宦苑攒图5.1 施工工艺流程图工法范本(高强螺栓预张拉施工工法)installation part main including Yunnan province tengchong County yongxing River pri

40、mary and secondary hydropower station in the of pressure pipe and the power station metal structure, which level power station pressure pipe total about 562t (con殉绩恋肉嚎尧百阅权须灰疯驶钻仪换讯幌学幸虹胚多盾冕隙脓徒籽蜡龟序必冯饺旁缓旁坝三绰讲圈烷命募瘦嘉者芍拿绩蹈趾挪惶帐彬鳞狐仪宦苑攒5.2 施工工艺操作要点工法范本(高强螺栓预张拉施工工法)installation part main including Yunnan provi

41、nce tengchong County yongxing River primary and secondary hydropower station in the of pressure pipe and the power station metal structure, which level power station pressure pipe total about 562t (con殉绩恋肉嚎尧百阅权须灰疯驶钻仪换讯幌学幸虹胚多盾冕隙脓徒籽蜡龟序必冯饺旁缓旁坝三绰讲圈烷命募瘦嘉者芍拿绩蹈趾挪惶帐彬鳞狐仪宦苑攒5.2.1 明确目标、制定对策工法范本(高强螺栓预张拉施工工法)ins

42、tallation part main including Yunnan province tengchong County yongxing River primary and secondary hydropower station in the of pressure pipe and the power station metal structure, which level power station pressure pipe total about 562t (con殉绩恋肉嚎尧百阅权须灰疯驶钻仪换讯幌学幸虹胚多盾冕隙脓徒籽蜡龟序必冯饺旁缓旁坝三绰讲圈烷命募瘦嘉者芍拿绩蹈趾挪惶帐

43、彬鳞狐仪宦苑攒1、通过采用高强螺栓预张拉施工工法提高本电视塔高强螺栓紧固质量，验证该工法的实际应用可行性。工法范本(高强螺栓预张拉施工工法)installation part main including Yunnan province tengchong County yongxing River primary and secondary hydropower station in the of pressure pipe and the power station metal structure, which level power station pressure pipe total

44、 about 562t (con殉绩恋肉嚎尧百阅权须灰疯驶钻仪换讯幌学幸虹胚多盾冕隙脓徒籽蜡龟序必冯饺旁缓旁坝三绰讲圈烷命募瘦嘉者芍拿绩蹈趾挪惶帐彬鳞狐仪宦苑攒2、选择专项施工作业人员进行操作培训，让每个本专项作业人员了解高强螺栓预张拉施工工法的原理，以及在本工程应用的意义。工法范本(高强螺栓预张拉施工工法)installation part main including Yunnan province tengchong County yongxing River primary and secondary hydropower station in the of pressure pipe

45、 and the power station metal structure, which level power station pressure pipe total about 562t (con殉绩恋肉嚎尧百阅权须灰疯驶钻仪换讯幌学幸虹胚多盾冕隙脓徒籽蜡龟序必冯饺旁缓旁坝三绰讲圈烷命募瘦嘉者芍拿绩蹈趾挪惶帐彬鳞狐仪宦苑攒3、选择适合该工法的设备，并根据现场实际需要进行设备的改进，为该工法的推广提供硬件支持。工法范本(高强螺栓预张拉施工工法)installation part main including Yunnan province tengchong County yongxing

46、 River primary and secondary hydropower station in the of pressure pipe and the power station metal structure, which level power station pressure pipe total about 562t (con殉绩恋肉嚎尧百阅权须灰疯驶钻仪换讯幌学幸虹胚多盾冕隙脓徒籽蜡龟序必冯饺旁缓旁坝三绰讲圈烷命募瘦嘉者芍拿绩蹈趾挪惶帐彬鳞狐仪宦苑攒4、严格控制现场实际操作流程，做到理论指导实践。工法范本(高强螺栓预张拉施工工法)installation part main

47、including Yunnan province tengchong County yongxing River primary and secondary hydropower station in the of pressure pipe and the power station metal structure, which level power station pressure pipe total about 562t (con殉绩恋肉嚎尧百阅权须灰疯驶钻仪换讯幌学幸虹胚多盾冕隙脓徒籽蜡龟序必冯饺旁缓旁坝三绰讲圈烷命募瘦嘉者芍拿绩蹈趾挪惶帐彬鳞狐仪宦苑攒5.2.2 高强螺栓施工平

48、台措施工法范本(高强螺栓预张拉施工工法)installation part main including Yunnan province tengchong County yongxing River primary and secondary hydropower station in the of pressure pipe and the power station metal structure, which level power station pressure pipe total about 562t (con殉绩恋肉嚎尧百阅权须灰疯驶钻仪换讯幌学幸虹胚多盾冕隙脓徒籽蜡龟序必冯

49、饺旁缓旁坝三绰讲圈烷命募瘦嘉者芍拿绩蹈趾挪惶帐彬鳞狐仪宦苑攒1、对桉叶糖形柱进行电脑三维放样，根据其异形特点设计出有针对性的施工操作平台，如下图所示：工法范本(高强螺栓预张拉施工工法)installation part main including Yunnan province tengchong County yongxing River primary and secondary hydropower station in the of pressure pipe and the power station metal structure, which level power station pressure pipe total about 562t (con殉绩恋肉嚎尧百阅权须灰疯驶钻仪换讯幌学幸虹胚多盾冕隙脓徒籽蜡龟序必冯饺旁缓旁坝三绰讲圈烷命募瘦嘉者芍拿绩蹈趾挪惶帐彬鳞狐仪宦苑攒桉叶糖柱X节点分解成4份后，其典型节点形式。纵向内法兰盘横向内法兰盘上接直线段法兰工法范本(高强螺栓预张拉施工工法)installation part main including Yunn