2020欧洲杯直播时间

承接业务

网架工程

 DIMIANPINZHUANG,ZHENGTIDIAOZHUANG  (YI)、ANZHUANGFANGFADEXUANZE  BENGONGCHENGBAOKUO1#DAPENG、2#DAPENGHE3#DAPENGSANBUFEN,BENJIEZHONGYI1#DAPENGWEILIZUOXIANGXISHUOMING。1#DAPENGJIEGOUGONGCHENGFENWEI2-9/B-KHE10-17/B-KLIANGBUFEN,GENJUSHIJIXIANCHANGTEDIAN,WANGJIAMIANJIDA、GAODUGAO。WOSHIGONGRENYUANBAWANGJIAANZHUANGCHUBUDINGWEIDIMIANPINZHUANG,ZHENGTIDIAOZHUANGDEANZHUANGFANGFA,GAIFANGFAWOGONGSIYIJINGZAIDUOGEGONGCHENGSHIYONG,SHIJIANZHENGMINGGAIFANGFAYOURUXIAYOUDIAN:  a.SHIGONGGONGQIDUAN,SHENGQUWANGJIAGOUJIANDECHUIZHIYUNSHUFEIYONG。  b.

  • 结构: 钢网架结构

 DIMIANPINZHUANG,ZHENGTIDIAOZHUANG

  (YI)、ANZHUANGFANGFADEXUANZE

  本工程包括1#大棚、2#大棚和3#大棚三部分,本节中以1#大棚为例做详细说明。1#大棚结构工程分为2-9/B-K和10-17/B-K两部分,根据实际现场特点,网架面积大、高度高。我施工人员把网架2020欧洲杯直播时间安装初步定为地面拼装,整体吊装的安装方法,该方法我公司已经在多个工程使用,实践证明该方法有如下优点:

2020欧洲杯直播时间  a.SHIGONGGONGQIDUAN,SHENGQUWANGJIAGOUJIANDECHUIZHIYUNSHUFEIYONG。

  b.GONGRENZAIDIMIANPINZHUANG,DUIGAOKONGZUOYEDEBAOHUCUOSHIYAOQIUJIAODI。

  (ER)、WANGJIADEPINZHUANG

2020欧洲杯直播时间  (1)WANGJIAJUTIPINZHUANG

  (a)在将单元拼接成整体时,网架单元应具有足够的刚度并保证自身的几何不变性。否则应采取临时加固措施。

  (b)WANGJIADANYUANDEJUTIPINZHUANGWEI:

2020欧洲杯直播时间  WANGJIADANYUANSHIYOUGANJIAN、LUOSHUANQIUJIPEIJIANPINZHUANGERCHENG。WOFANGSHIGONGRENYUANKEYIJIANGGANJIAN、LUOSHUANQIUJIPEIJIANGEZAIDIMIANSHANGJINXINGXIAODANYUANDEPINZHUANG。WANGJIADANYUANDEANZHUANGYOUZHONGJIANWEIZHIXIANGLIANGBIANYANSHENPINZHUANG,SHANGXIAXIANTONGSHIANZHUANG,GENZONGJIANCEANZHUANGCHICUN。ZAIMEIGELUOSHUANQIUSHANGDEGEGEGANJIANQUANBUANZHUANGHOU,YAOJISHIJIANCHALUOSHUANSHIFOUNINGJINDAOWEI,BUKEYOUSONGDONGHEFENGXI,BINGZAIXIAXIANZUOHAOLINSHIGUDINGDIAN。GELUOSHUANQIUZHIZUOYAOQIUPINGWENFANGZHI。WANGJIAJIAGONGZAIANZHUANGXIAYIGEWANGGESHIYAOFUCHAQIANYIGEWANGGEJIEDIANGAOQIANGLUOSHUANSHIFOUNINGJINDAOWEI,BUDEYOUSONGDONG。WANGJIAGOUJIANQUANBUANZHUANGWANCHENGHOU,JIANCHAMEIGELUOSHUANQIUJIEDIAN,CELIANGSHANGXIAXIANZHOUXIAN,SHUIPINGBIAOGAOJINAODU,QIPIANCHABIXUZAIYUNXUFANWEINEI,RANHOUANZHUANGZHITUO,NINGJINZHIZUOLUOSHUAN,DAIQUANBUWANCHENGHOU,QUDIAOLINSHIZHICHENGDIAN,ZHUANYIZHIXIAYIDAOGONGXU。WANGJIACONGZHIZUODAOANZHUANGYINGZHUYIJINXINGBIAOSHI。

武汉钢结构公司

2020欧洲杯直播时间  WANGJIAJIAGONGSHIGONGSHUNXU: XIAXIANJIEDIAN→XIAXIANGAN→FUGANJISHANGXIANJIEDIAN→SHANGXIAN→XIAOZHENG→NINGJINLUOSHUAN

2020欧洲杯直播时间  a.XIAXIANGANYUQIUDEZUPIN:LIANJIEXIAXIANQIUYUGANJIANDEGAOQIANGLUOSHUANLUOWENYICININGJINDAOWEI。

  b.FUGANYUSHANGXIANQIUDEZUZHUANG:FUGANYUSHANGXIANQIUDEZUHEJIUCHENGWEIXIANGXIASIJIAOZHUI,FUGANYUSHANGXIANQIULIANJIEDEGAOQIANGLUOSHUANSHIQUANBUNINGJINDE,FUGANXIADUANLIANJIEXIAXIANDESANZHILUOSHUANZHINENGNINGJINYIZHI,LINGLIANGZHISHISONGDE,ZHUYAOSHIWEISHANGXIANGANDEANZHUANGQISONGKOUZUOYONG。

2020欧洲杯直播时间  c.SHANGXIANGANDEZUZHUANG:SANGENSHANGXIANGANZUHEJICHENGXIANGXIASIJIAOZHUITIXI。SHANGXIANGANANZHUANGSHUNXUYINGYOUNEIXIANGWAI。GENJUYIZHUANGHAODEFUGANTIPAILIE。GAOQIANGLUOSHUANXIANHOUNINGJIN。


  d,验收时,应检查网架的纵横.网架加工用高强螺栓连接时,按有关规定拧紧螺栓,并应按钢结构防腐2020欧洲杯直播时间蚀要求进行处理。交工向边长偏差,支撑点的中心偏移和高度偏差。

2020欧洲杯直播时间  (SAN)、PINZHUANGWANCHENGDANYUANTIDEJIANCHAYANSHOU

  DANYUANTIPINZHUANGSHIWANGJIAANZHUANGDEJICHUGONGZUO,YESHIZHILIANGBAOZHENGDEJICHU,BIXUYANGEKONGZHIPINZHUANGZHILIANG,WEIWANGJIAZONGPINZHUANGDAHAOJICHU。WANGJIADANYUANTIPINZHUANGDEYUNXUPIANCHAJIANBIAO:PINZHUANGDANYUANTIDEYUNXUPIANCHA。


2020欧洲杯直播时间  WANGJIADANYUANPINZHUANGSHI,QIJIEDIANJIGANJIANBIAOMIANGANJING,MEIYOUMINGXIANDEBAHEN、NISHAHEWUGOU。PINZHUANGDANYUANWANGJIAYINGJIANCHAWANGJIACHICUNYINGZAIYUNXUPIANCHAFANWEINEI。

2020欧洲杯直播时间  (SI)、WANGJIADEANZHUANGJUTISHUNXU:

  1、 XIANANZHUANGBEICEDEWANGJIAJI(10-17/B-KZHOUBUFEN),JUTIANZHUANGRUTU:

2020欧洲杯直播时间  XIANDIAOZHUANGCIBUFENWANGJIAJIEGOU。


  WANGJIAJIEGOUDEANZHUANGYOUZHONGJIANBUFENKAISHI,XIANGZHOUQUANKUOSAN,SANMIANTONGSHIKAISHIANZHUANG。CIANZHUANGFANGFAKEYITIGONGDUOGESHIGONGZUOYEMIAN,JIAKUAIWANGJIADEANZHUANGJINDU。

  WANGJIATISHENGZHUANGZHIDEZHIZUOYUANZHUANG

2020欧洲杯直播时间  1.WANGJIATISHENGZHUANGZHIBUZHI:

  (1)TISHENGBAGANBUZHI:

2020欧洲杯直播时间  WANGJIAJIEGOUZHUTIZHONGLIANGWEI67.5DUN,ZAISHIGONGGUOCHENGZHONGYINWEIZHIZUOWEIZHIDEYINGXIANG,BIANKUASHANGXIANYUFUBUGANJIANBUZUOANZHUANGTISHENG,DAIWANGJIATISHENGDAOJIUWEIBIAOGAOLINGXINGANZHUANG,SUOYITISHENGZHONGLIANGYUANYUANXIAOYUWANGJIAZUIDAZHONGLIANG,JINGGUOJISUANZUIDATISHENGZHONGLIANGWEI62DUN。DUICIJIHUACAIYONG4GENφ426×10DEDUJIAOBAGANDUIWANGJIAJINXINGTISHENGSHIGONG,WANGJIATISHENGBAGANDEJISUANZHANGDUANZHAO16.5MIKAOLVKEMANZUSHIGONGYAOQIU。GENJUBENGONGCHENGDEJIANZHUXINGSHIHEWANGJIASHEJIYUBUZHIDETEDIAN,JINXINGTISHENGBAGANDEBUZHI,BINGJINGGUOSHEJIJISUANMANZUYAOQIU。

2020欧洲杯直播时间  (2)BAGANBUZHIYUANZE:

2020欧洲杯直播时间  BUFANGAIWANGJIATISHENG;BUFANGAIWANGJIAPINZHUANG;SHOULIJUNYUN;BAGANJICHULAOGUKEKAO,ZHICHENGXITONGLAOGUKEKAO。

  (3)WANGJIATISHENGDIANWEIBUZHI:

  ZHENDUITISHENGGUOCHENGZHONGWANGJIAJIEGOUDEANQUANXING,WANGJIATISHENGDIANWEIYOUZHUANZHIQIZHONGGONGJINXINGSHUANGUA,ZERENDAOREN,YAOQIUSHUANHAOYIGEHEGEYIGE,JINGZUIHOUJISHURENYUANJIANCHAHEGEHOU,FANGKESHIYONG。WANGJIATISHENGDIANWEIBUZHIXIANGJIANWANGJIADIAODIANBUZHITU

  (4)JIAOMOBUZHI:

2020欧洲杯直播时间  ZONGTIBUZHIYUANZEWEISHIGONGANQUAN,TONGYIZHIHUIFANGBIAN,ZOUSHENGDAOXIANGTONGCHANG。JIAOMOBUZHIXIANGJIANWANGJIAJIAGONGTISHENGBAGANXITONGBUZHIPINGMIANTU,JUTIBUZHIKEGENJUXIANCHANGTIAOJIANJINXINGJUBUDIAOZHENG。

  (5)WANGJIATISHENGRENYUANJIHUA:

2020欧洲杯直播时间  WANGJIATISHENGSHI,4GENBAGANXUYONG4TAIJIAOMO,CAOZUORENYUANXUYAO12REN。

  (6)WANGJIATISHENGGUOCHENGDEKONGZHI

  WANGJIATISHENGSHIGONGFENSANBUJINXING,DIYICITISHENGGAODUWEI1m,DADAOCIGAODUHOUTINGZHITISHENG,GUANCHAWANGJIASHIFOUYOUBIANXING,RUMEIYOURENHEBIANXINGJIYICHANGQINGKUANG,JIKEZAICIQIDIAO,TISHENGGAODUDADAOLIANGMISHI,ZAICITINGZHITISHENG,JIANGWANGJIADIAOZHENGPINGXINGHOU,ZAICIGUANCHAWANGJIADEBIANXINGQINGKUANG,RUWURENHEBIANXINGJIYICHANGQINGKUANG,JIKEJIANGWANGJIADIAOZHUANGWANBI,QIDIAOGUANCHASHIJIANMEICIBUXIAOYUBANXIAOSHI。


网架中间部分在场地内地面拼装,先安装北侧的网架即(10-17/B-K轴部分)。使用拔杆将网架结构进行提升,随着提升高度的增加将网架提升就位。现以一根拔杆进行提升验算。

  (1)ZHONGLIANGTONGJI:

2020欧洲杯直播时间  JINGGUOJISUANFENXIBAGANDEZUIDATISHENGZHONGLIANGQ’=15.5T=155KN。 Q = Q’×K=155×1.2=186KN K-BAOXIANXISHUQU1.2

  (2)JISUANHEZAI:

  JISUANHEZAIP=(Q+q)K=(186.4+0.5T)×1.1=205.59KN q -SUOJUZHONG0.5T=5KN K-DONGZAIXISHUQU1.1  JIHUACHESHOULIP=205.59KN

2020欧洲杯直播时间  (3)GANGSISHENGYUJIAOMODEXUANYONG:

  HUACHECHUSHENGDUANSUOYINLIS:

2020欧洲杯直播时间  S=P/k1=205.59/6.73=30.548KN

2020欧洲杯直播时间  k1 :HUACHEZUJIXIEXIAOYIXISHU,QIZHONGHUACHEZUCAIYONG“SISIZOUBA”,YOUXIAOSHENGSHU8GEN,1GEDAOXIANGHUACHE,k1=6.73

  HUACHEZUGANGSISHENGXUANYONG: ANQUANXISHUQUK=5.5,

2020欧洲杯直播时间  GANGSISHENGDEPODUANLALIWEIPP =SK=33.572KN×5.5=184.646KN

2020欧洲杯直播时间  XUANYONGGANGSISHENGΦ22-6×37+IWRKANGLAQIANGDU≥1770MPa,QIPODUANLALIWEI273.00KN

2020欧洲杯直播时间  JIAOMOXUANYONG:5TJIAOMOYITAI。

  JIAOMODEGUDING:JIAOMOGUJIAHOUBUCAIYONGGANGSISHENGSUOSI,GANGSISHENGYUGANGZHUJICHUYUYIGUDING。

2020欧洲杯直播时间  (4)BAGANDIZUODEJISUAN:

2020欧洲杯直播时间  BAGANZHIZUOCHUIZHIYALI: Pc=P+ Pt×Sin30°+G+T+S SHIZHONG:

  HUACHEZUSHOULIP=205.59KN

  LANFENGSHENGSHOULIPt=3.891KN

  BAGANZHONGLI G=16.5M×102.59Kg/M=16.927KN

2020欧洲杯直播时间  FENGSHENGYULALIJIBAGANCHUIZHIYALI:

  T=(n-1)×t×Sin30°=(4-1)×3.891×50%×0.5=2.918KN

2020欧洲杯直播时间  SHANGSHIZHONGtWEIFENGSHENGYULALIQULANFENGSHENGZUIDALALIDE30%-50% CHUSHENGDUANLALIS=33.572KN

  Pc=205.59KN+3.891KN×0.5+16.927KN+2.918KN+33.572KN =260.952KN

  BAGANDIBUDIMIANCHENGZAINENGLIJISUAN: Pc/A≤[R]

  SHIZHONG:Pc-DUIDIMIANDECHUIZHIYALI

  A-DIMIANDESHOUYAMIANJI

  [R]-DIMIANDERONGXUCHENGZAILI,QU160KN/m²

  A≥Pc/[R]=260.952/160=1.631m² JIBAGANDIZUOMIANJIYING≥1.631m²

  (5)BAGANQIANGDUJIWENDINGXINGYANSUAN:

2020欧洲杯直播时间  BAGANZHONGBUJIEMIANNAODUZUIDA,DUIGANGGUANBAGANYIBANZHIJINXINGWENDINGXINGYANSUAN

  ZHONGBUSUOSHOUZHENGYALI PZHONG= Pc-G+GZHONG=260.952-16.927+16.927/2=269.41KN

  ZHONGBUSUOSHOUWANJU MZHONG= (S+P)× e²-Pt(l/2× Sin30°+ e1×Sin30°)  =(33.572+225.94)×0.3-3.891(20/2×0.866+0.2×0.5) =43.768KN〃M

  GANGGUANΦ426×10LIXUEXINGNENG:W=2656.08CM³ , Fm=130.69CM³

  HUIZHUANBANJINGr=0.25×√(D²+d²) =0.25×√(42.6²+40.6²)=14.7CM

  SHIZHONG:DWEIGANGGUANWAIJING dWEIGANGGUANNEIJING

2020欧洲杯直播时间  ZHANGXIBIλ=l/r=2000CM/14.7CM=136.05

2020欧洲杯直播时间  WENDINGXISHUJINGCHADEΦ=0.402

  WENDINGYANSUANσ=MZHONG/W+ PZHONG/ΦFm

  =43768/2656.08+274635/(0.402×13069)=68.753MPa<[σ]=162MPa

  JINGJISUANBAGANFUHEYAOQIU.

2020欧洲杯直播时间  (6) TISHENGSUOJUXUANYONG:

  F=P/(4×cosβ)=205.59KN/(4×cos45)=72.687KN

2020欧洲杯直播时间  SHIZHONG:F-DIAOSUOSHOULI,P-HUACHESHOULI205.59KN,

2020欧洲杯直播时间  β-DIAOSUOYUCHUIZHIXIANJIAJIAOQU45DU

2020欧洲杯直播时间  XUANYONGGANGSISHENGΦ18-6×37+IWRKANGLAQIANGDU≥1770MPa,QIPODUANLALIWEI182.00KN,SHUANGGUZHISHAOKECHENGSHOU364KN。

  βXIAOYUDENGYU45DU,JIhDAYUDENGYU1875mm。

  3.TISHENGBAGANDEZHIZUOYUANZHUANG:

  (1)拔杆底部处理与加固

  GENJUSHIGONGXIANCHANGDIMIANDESHIJIQINGKUANG,BUXUYAODUIBAGANDIBUJINXINGCHULI。


  (2) BAGANDEGOUZAO:

  DUJIAOBAGANYOUYIGENDULIGANGGUAN、DIZUO、HUACHEZUHEJIAOMOZUCHENG。BAGANCAIYONGGANGGUANZHICHENG,DINGBULALANFENGSHENG,GUDINGZAIKUANGJIALIANGZHUSHANG,SUOYOULANFENGSHENGBIXULAJIN。BAGANDINGBUJIDIBUFENBIESHEZHIHUALUNZUHEDAOXIANGHUALUNZU,SHIYONGJIAOMOTISHENGZHONGWU。


2020欧洲杯直播时间  LANFENGSHENGYUHUALUNCHEZUGANGSISHENGXUJISUANQUEDING。HUACHELUNSHU:DONGHUALUNWEI4,DINGHUALUNWEI4,JIAOMOLASHENGKESHOULALIWEI5DUN。BAGANGANDINGBUHANYOUDAIKONGDEFENGTOUGANGBAN,SHEKABANYONGYIXIJIELANFENGSHENG。JINKAODINGBUSHEXUANBEIBAN,KEXUANGUAQIZHONGHUACHE。BAGANDEXIABUZHICHENGZAIFANGMUSHANG,WEIFANGZHIWEIYI,XUYONGSHENGSUOMAOGU。

2020欧洲杯直播时间  (3)BAGANDEZHIZUO:

  JIANGWANGJIATISHENGBAGANSUOSHIYONGDEGANGGUANYUNDISHIGONGXIANCHANG,XUANZEPINZHUANGCHANGDI,JINXINGGANGGUANDEZHANGDUCELIANGYUWAIGUANJIANCHA,KAISHIBAGANDEZUZHUANGHANJIE。SHIYONGXIANYANSEDEYOUQIDUIBAGANJINXINGBIANHAOBIAOSHI,BIANYUTONGYIGUANLI。  ZUZHUANGWANCHENGDEBAGANFUCEYUXIAOZHENGHOU,ANZHUANGHUALUNZUHECHUANTAOGANGSISHENG,ZHUYIZOUSHENGDEPAOXIANG,TONGSHIANZHUANGBUZHILANFENGSHENG。QUANBUZUZHUANGWANCHENGDEBAGANJINGJIANCHAWUWUHOU,KEYIJINXINGJIUWEI。


2020欧洲杯直播时间  (4)BAGANDEANZHUANG:

  ZAIBAGANDIBUFANGZHIFANGMU。BAGANDEJIUWEIKELIYONGQICHEDIAOJINXINGTISHENGANFANGDAOZHIDINGWEIZHI,TONGSHIZHANGLAGUDINGXIANGYINGDELANFENGSHENG,LANFENGSHENGXIADUANGUDINGZAIGANGZHUSHANG,BAOZHENGWEIZHIZHENGQUE,ZOUXIANGQINGXI,GUDINGLAOGU。BAGANDEXIABUZENGSHEYUSHANGBUYINGDUIYINGDEDIBULAJIESHENG,WAIDUANBANGGUZAIZHOUBIANGANGZHUSHANG,JIANGBAGANDEDIBULIANJIEGUDINGLAOGU,FANGZHISHUIPINGCEXIANGYIDONG。

  (5)GANGSISHENGYUJIANZHUWUDELIANJIECHU,CAIQUBAOHUCUOSHI。XIANJIANGZHIJINGWEI89mmDEGANGGUANDUANMIANYIFENWEISAN,RANHOUBAPOUKAIDEGANGGUANANFANGZAIJIANZHUWUDELENGJIAOCHU,BAOHUJIANZHUWUMIANSHOUPOHUAIHEGANGSISHENGYINDUANSIERSHOUSUN。GANGSISHENGDEGUDINGKAKOUBUSHAOYUSIGE,YAOQIULAOGUKEKAOWUSONGDONG。

  4.JIAOMOJIDEANZHUANG:

  JIEHESHIGONGXIANCHANGSHIJIQINGKUANG,XUANDINGJIAOMODEANFANGWEIZHI,DAIBAGANANLIWANBI,KAISHIJIAOMOJIDEANZHUANG。SHIYONGGANGSISHENGJIANGJIAOMOJIGUDINGZAIJIANZHUWUDEKUANGJIAZHUSHANG,BINGJIANGTISHENGYONGDEZOUSHENGCHANRAOZAIJIAOMODEGUNDONGZHOUSHANG,TONGSHIANZHUANGQIDONGKAIGUANZHA,JIETONGDIANYUANHOU,WANGJIATISHENGYONGJIAOMOJIJIANZHUANGWANBI。


网架加固

  网架承受荷载考虑网架自重、活荷、风荷,使用SFCAD设计软件对网架重新进行受力分析,网架吊装点的弦杆采取现场加固措施,以保证网架吊装的整体稳定性及网架结构的安全,加固采用的方案为采用两根8#槽钢抱焊于网架弦杆上,加大网架杆件的有效截面面积,保证网架杆件在吊装过程中不弯曲,不变形。


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