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某膜结构自行车棚被雪压垮的原因分析

编辑:临朐艺景膜结构工程有限公司时间:2019-12-26

  YI、GONGCHENGGAIKUANG:

  某膜结构自行车棚新英体育支撑体系由两个相距18.5m的桅杆和周边的锚固点组成,前端两个锚固点是两个钢结构的三角架,后端锚固点由混凝土框架结构提供,钢桅杆底部固结连接在基础上,桅杆和前后锚固点经钢索连接成稳定的结构整体,2009年1月膜结构边索滑脱,膜被大风刮破,于同年3月替换膜材修好,并在屋顶增加了一个支点。

  2009NIAN11YUEZHONGXUNGAIDIQUDAXUE(JIXUEHOUDUDA32cm),GAIMOJIEGOUYOUBEIJIXUEYAKUA,RUGUOXUERONGZHONGQU1.3kN/m3,ZEXUEHEZAIWEI0.416kN/m2,GAOGUOHEZAIGUIFANGUIDINGDE0.4kN/m2YUE4%,SUIRANQIXIANGBUMENCHENGZHEISHIDANGDI50NIANNANYUDEDAXUE,DANGAIJIEGOUDEBAOLUCHULAIDESHEJIWENTIYEYINGYINQIDAJIADEZHONGSHI。

  ER、YUANYINFENXI:

  MOJIEGOUZIXINGCHEPENGYINXUEHEZAIPOHUAIDESHIGUYUANYINFENXISHIZHONG:fDUIYINGYUJIAODAZHUYINGLIFANGXIANGDEMOCAIKANGLAQIANGDUSHEJIZHI;fkMOCAIKANGLAQIANGDUBIAOZHUNZHI;QIANGDUZHEJIANXISHU;DUICHUYUYIBANBUWEIDEMOCAI=1.0;DUICHUYULIANJIEJIEDIANCHUHEBIANYUANBUWEIDEMOCAI=0.75;RMOCAIKANGLIFENXIANGXISHU,DUIYILEIHEZAIXIAOYINGZUHER=5.0;DUIERLEIHEZAIXIAOYINGZUHER=2.5。

新英体育  YOUCIDEMOCAIDEQIANGDUSHEJIZHI:YILEIHEZAIZUHE:JINGXIANG16.8kN/m,WEIXIANG16.4kN/m;ERLEIHEZAIZUHE:JINGXIANG33.6kN/m,WEIXIANG32.8kN/m;2.2HEZAIJIHEZAIZUHEHEZAIBAOKUOJIEGOUZIZHONG、YUYINGLI、XUEHEZAIHESHIGONGHEZAI,ZHENGGEHUOHEZAIANZHAO50NIANYIYUQUZHI。

  MOCAIZIZHONG0.01kN/m2,XUEHEZAIANZHAOHEZAIGUIFANQUZHI0.4kN/m2;YOUYUBENCISHIKAOLVXUEHEZAIDUIMODEPOHUAI,SUOYIMEIYOUKAOLVFENGHEZAI,YUZHANGLIQUZHI:MOJINGWEIXIANGJUNWEI2.5kN/m,QIANDUANBIANSUO50kN,QIANCEBIANSUO29kN,HOUCEBIANSUO18kN,HOUDUANBIANSUO21kN。

  TONGGUOYISHANGJISUANFENXIKEZHI,QISHEJIFANGMIANDEBUHELIKEGUIJIEWEIYIXIAJIDIAN:

新英体育  1、MOJIEGOUZIXINGCHEPENGSHEJIBUHELI,ZAIXUEHEZAIBIJIAODADEDIQUMEIYOUKAOLVHELIDEPODUHEXUYAODEFANGJIXUECUOSHI,MOMIANYOUBIJIAODADEPINGTANQUCHENG,RONGYIJIXUE,ZAOCHENGJIEGOUANQUANSHIGU;

  2、ZAIHENGHEZAIHEXUEHEZAICHENGZAILIZUHEXIA,MOMIANZAIWEIGANJIEJIEDIANCHUSHIYINGLIJIZHONGDEQUYU,LIANGGEZHUYINGカFANGXIANGLAYINGLIJUNGAOGUOMOCAIDESHEJIQIANGDU(GENJUXIANGGUANSHIYANYANJIUDEJIEGUO,MOCAIZAISHUANGXIANGLAYINGカXIADEKANGLAQIANGDUBIDANXIANGLASHENQIANGDUYAOXIAO50%ZUOYOU,QIEZAIJIEDIANCHUMEIYOUCAIQUYOUXIAODEBUQIANGCUOSHI;

新英体育  3、JISUODUIMOMIANYOUBUQIANGZUOYONG,DANYOUYUMEIYOUSHEZHISUOTAO,MOMIANHUISHUNZHEJISUOHUAYI,XUERUOLEJISUODUIMOMIANDEBUQIANGZUOYONG。

莱州市气象局膜结构停车棚