娇妻借朋友高h繁交h,公交车伦流澡到高潮hnp,六月婷婷网视频在线观看,天堂√最新版中文在线

Language:CHINESESENGLISH

Home > News > Steel and steel component assembly installation requirements
CONTACT US
  • Address:Pingtang Industrial District, Shipeng Village, Shishan Town, Nanhai District, Foshan City,
  • Phone:0757-81002668/0757-63323396
  • Fax:0757-81196682
  • Contact:Ben Zheng/13826981293 Kerry Lu/13751224830
  • E-mail:sbs@sbsprefabhouse.com
  • URL:http://m.e-sosa.com

Steel and steel component assembly installation requirements

Time:[2014-7-12]  Hits:5912

Steel and steel components assembled device requirements:
Foshan welded H-beam steel flange plates and webs seam seam spacing should not be less than 200mm.
Flange plate splice length should be less than 2 times the plate width. Web splice width should not be less than 300mm, the length should not be less than 600mm.
Cranes and crane girder truss system in place should not be under the scratch.
When multi-section column device, the positioning of the axis of each section of the column axis manipulation should lead directly on the ground, can not lead from the axis of the lower column, to avoid the formation of excessive accumulation errors.
After the completion of the steel truss structure and overall fight should leave after completion of the roof measuring its deflection, deflection and the measured value should not exceed 1.15 times the corresponding planning values.
Remember:
Paint, painting several times, coating thickness should fit planning requirements.
When planning for the coating thickness is not required, the total thickness of the coating: Outdoor should be 150μm, interior should be 125μm, the allowable deviation for each pass coating thickness of 25μm tolerance for 5μm..
Thin coating fireproof paint coating thickness should fit the planning requirements for fire resistance. Thick coating fireproof paint coating degrees, more than 80% of the area should be consistent with the relevant planning and fire resistance requirements, and should not be less than the thickness of the thinnest planning 85%.
Copyright:佛山市勝邦鋼結(jié)構(gòu)有限公司 Foshan Shengbang Steel Structure Co., Ltd. Record Number:粵ICP備13078463號
操姑娘在线观看| 日韩精品欧美激情一区二区| 天天夜夜久久久久久鬼色| 青青草三级视频| 亚洲人久久久久久久久久| 大女人肏逼视频| 美女污污草草比| 成人免费一级片| 在线播放的黄色av网站| 97精品国语高清自产拍| 灌牛奶cao哭男男腐纯肉打屁股| 美女裸体十八禁在线网站| 国产又黄又硬又湿又黄的| 久久久久久高清无码视频| 55午夜色夫妻| 胸大美女被肏逼| 久久e这里只有精品乐播| 精品无码人妻一区二区三区| 亚州美女摸逼叉逼大黄片| 色多多深夜福利免费观看| 18禁精品一区二区三区| 97色97在线视频免费| 老师在办公室被躁到高潮| 欧美潮喷xxx| 中文字幕不卡在线观看不卡| 亚洲熟伦熟女五十路熟妇| 日本成人人网站在线观看| 久久中文字幕av第二页| 操塞进美女骚逼鸡鸡视频| 九九热精彩视频在线播放| 亚洲aⅴ久久久噜噜噜噜| 男生机机差女生机机网站| 抽插动态小视频| 奇米影视7777第四色| 吉川爱美一区二区三区视频| 白丝被操在线看| 蜜桃一区二区三区免费看| 第一色在线成人| 在线看免费无码a片视频| 欧美裸体片A级在线观看| 大吊男操哭美女视频网站|