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网架结构上高强度螺栓预拉力计算时应考虑的

文章出处:网架结构 人气:发表时间:2018-06-23

网架结构上高强度螺栓预拉力计算时应考虑的

网架结构上高强度螺栓的杆身、螺母和垫圈都要用抗拉强度高的钢材来制作。高强螺栓的性能等级分10.9级(20MnTiB钢和30VB刚)和8.8级(40B钢、45钢和35钢)两种。

45GANGHUO40BGANGZHINENGYONGYUZHIJINGBUDAYU24mmDEGAOQIANGLUOSHUAN。MUQIANGONGCHENGZHONGYIZHUJIANCAIYONG20MnTiBZUOWEIWANGJIAJIEGOUSHANGGAOQIANGDULUOSHUANDEZHUANYONGGANG。

网架结构上高强度螺栓氛围摩擦性连接和承压型连接两种。
网架结构上所用的高强度螺栓

WANGJIAJIEGOUSHANGGAOQIANGDULUOSHUANMOCAXINGLIANJIEYIKAOLIANJIEGOUJIANJIANDEMOCALICHUANDIWAILI,ANZHUANGSHI,YAOJIANGLUOSHUANNINGJIN,SHILUOGANCHANSHENGYULALIYAJINGOUJIANJIECHUMIAN,KAOJIECHUMIANJIANDEMOCALIZUZHIQIXIANGHUHUAYI,LAIDADAOCHUANDIWAILIDEMUDE。DANGJIANLIYUMOCALIXIANGDENGSHI,JIWEILIANJIEDECHENGZAILIJIXIANZHUANGTAI。WANGJIAJIEGOUSHANGGAOQIANGDULUOSHUANMOCAXINGLIANJIEYUPUTONGLUOSHUANLIANJIEDEZHONGYAOBUTONGZHICHUJIUSHIWANQUANBUKAOLUOGANDEKANGJIANYUKONGBIDECHENGYALAICHUANLI,ERSHIYIKAOGANGBANJIANJIECHUMIANDEMOCALILAICHUANLI。

WANGJIAJIEGOUSHANGGAOQIANGDULUOSHUANCHENGYAXINGLIANJIEDECHUANLITEZHENGSHIDANGQIJIANLICHAOGUOMOCALISHI,GOUJIANJIANHUICHANSHENGXIANGDUIHUAYI,LUOGANYUKONGBIJIECHU,SHILUOGANSHOUJIAN,KONGBISHOUYA,POHUAIXINGSHIYUPUTONGLUOSHUANYIYANG,YILUOGANBEIJIANHUAIHUOKONGBICHENGYAPOHUAIWEIQICHENGZAILIDEJIXIANZHUANGTAI。CHENGYAXINGLIANJIECHENGZAILIGAOYUMOCAXINGLIANJIE,DANBIANXINGJIAODA。BUYIYONGYUZHIJIECHENGSHOUDONGLIHEZAIDEJIEGOU。

皇冠即时比分 WANGJIAJIEGOUSHANGGAOQIANGDULUOSHUANDEGOUZAOHEPAILIEYAOQIU,TONGPUTONGLUOSHUANDEGOUZAOJIPAILIEYAOQIUYIYANG。

1、WANGJIAJIEGOUSHANGGAOQIANGDULUOSHUANDEYULALI

WANGJIAJIEGOUSHANGGAOQIANGDULUOSHUANDEYULALISHITONGGUONIUJINLUOMULAISHIXIAN,YIBANCAIYONGNIUJUFA、ZHUANJIAOFAHUONIUJIANFA。

①NIUJUFASHICAIYONGKEZHIJIEXIANSHINIUJUDETEZHIBANSHOU,YOUSHIXIANCEDINGDENIUJUHELUOSHUANLALIZHIJIANDEGUANXISHIJIANIUJU,SHIQIDADAOYUDINGDEYULALI。

②ZHUANJIAOFASHIXIANYONGRENGONGBANSHOUCHUNINGLUOMUZHIZHININGBUDONGWEIZHI、ZAIZHONGNING,JIYICHUNINGSHININGJINDEWEIZHIWEIQIDIAN,ANLUOSHUANZHIJINGHEBANDIEHOUDUSUOQUEDINGDEZHONGNINGJIAODU,ZIDONGHUORENGONGKONGZHIXUANNINGLUOMUDAOYUDINGJIAODU,JIDADAOYUDINGDEYULALIZHI。

皇冠即时比分 ③NIUJIANFACAIYONGNIUJIANXINGWANGJIAJIEGOUSHANGGAOQIANGDULUOSHUAN,RUXIATUSUOSHI,GAILUOSHUANDUANBUSHEYOUMEIHUATOU,ZAININGJINLUOMUSHI,KAONINGDUANLUOMUMEIHUATOUQIEKOUCHUJIEMIANLAIKONGZHIQIYULALIZHI。

WANGJIAJIEGOUSHANGGAOQIANGDULUOSHUANYULALIJISUANSHIYINGKAOLVYIXIAJIGEFANGMIAN:

皇冠即时比分 1、ZAINIUJINLUOSHUANSHI,NIUJUSHILUOSHUANCHANSHENGDEJIANLIJIANGHUIJIANGDILUOSHUANDEKANGLACHENGSHOULI

2、SHIJIAYULALISHIBUCHANGYINGLISUNSHIDECHAOZHANGLA

3、CAILIAOKANGLIDEBIANYI。《GANGJIEGOUSHEJIGUIFAN》(GB50017-2003)GUIDINGYULALISHEJIZHIPANXIALIEFANGSHIQUEDING

DANGEWANGJIAJIEGOUSHANGGAOQIANGDULUOSHUANDEYULALIPJIANXIABIAO:

螺栓的性能等级 螺栓的规格
8.8级 M16 M20 M22 M24 M27 M30
10.9级 100 155 190 225 290 355

MOCAMIANJIANDEKANGHUAYIXISHU

SHIYONGWANGJIAJIEGOUSHANGGAOQIANGDULUOSHUANLIANJIESHI,GOUJIANDEJIECHUMIAN(MOCAMIAN)YINGJINGGUOTESHUCHULI,YITIGAOMOCAXISHUDEZHI。JIECHUMIANJINGGEZHONGCHULIFANGFAHOUDEKANGHUAYIXISHUJIANXIABIAO。CHENGYAXINGLIANJIEDEBANJIANJIECHUMIANZHIYAOQIUQINGCHUYOUWUHEFUXIU。

在连接处构件接触面的处理方法 构件的编号
  Q235铜 Q315 Q420
喷砂 0.45 0.50 0.50
喷砂(丸)后涂无机富锌漆 0.35 0.40 0.40
喷砂(丸)后生赤锈 0.45 0.50 0.50
钢丝刷消除浮绣或未经处理的干净轧制表面 0.30 0.35 0.40

皇冠即时比分 SHIYANBIAOMING,GOUJIANMOCAMIANTUHONGDANHOU,KANGHUAYIXISHUSHENDI(ZAI0.14YIXIA),JINGCHULIHOURENGRANJIAODI。GUMOCAMIANYINGYANGEBIMIANTURANHONGDAN。

皇冠即时比分 LINGWAI,LIANJIEZAICHAOSHIHUOLINYUZHUANGTAIXIAJINXINGPINZHUANG,YEHUIJIANGDIZHI,GUYINGCAIQUFANGCHAOCUOSHIBINGBIMIANYUTIANSHIGONG,YIBAOZHENGLIANJIECHUBIAOMIANGANZAO。

皇冠即时比分 WANGJIAJIEGOUSHANGGAOQIANGDULUOSHUANDEPAILIE

皇冠即时比分 HEPUTONGLUOSHUANDEPAILIEXIANGTONG,YINGFUHEXIATU YIJI XIALIEBIAODANDEYAOQIU。

皇冠即时比分 JIAOGANGSHANGLUOSHUANHUOMAODINGXIANJUBIAO

单行排列 角钢肢宽 40 45 50 56 63 70 75 80 90 100 110 125
线距钉孔最大直径 25
11.5
25
13.5
30
13.5
30
15.5
35
17.5
40
20
40
22
45
22
50
24
55
24
60
26
70
26
双行连接 角钢肢宽 125 140 160 180
a1 55 60 70 70
a2 90 100 120 140
钉孔最大直径 24 24 26 26
双行并列 角钢肢宽 160 180 200
a1 60 70 80
a2 130 140 160
钉孔最大直径 24 24 26

GONGZIGANGHECAOGANGFUBANSHANGDELUOSHUANXIANJUBIAO

工字钢型号 12 14 16 18 20 22 25 28 32 36 40 45 50 56 63
线距 40 45 45 45 50 50 55 60 60 65 70 75 75 75 75
槽钢型号 12 14 16 18 20 22 25 28 32 36 40        
线距 40 45 50 50 55 55 55 60 65 70 75        

GONGZIGANGHECAOGANGYIYUANSHANGDELUOSHUANXIANJUBIAO

工字钢型号 12 14 16 18 20 22 25 28 32 36 40 45 50 56 63
线距 40 40 50 55 60 65 65 70 75 80 80 85 90 95 95
槽钢型号 12 14 16 18 20 22 25 28 32 36 40        
线距 30 35 35 40 40 45 45 45 50 56 60        

 

此文关键字:网架结构
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