久久综合久久自在自线精品自,午夜肉伦伦影院无码,999视频精品全部免费品,伊人伊成久久人综合网小说

      Language:CHINESESENGLISH

      Home > News > Design counseling knowledge: seismic design of frame column stirrups set there?
      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://www.iigii.cn

      Design counseling knowledge: seismic design of frame column stirrups set there?

      Time:[2015-4-1]  Hits:4022

      Design counseling knowledge: seismic design of frame column stirrups set there?

      Seismic design of frame column stirrups set there?
      1, stirrups should be enclosed, its ends should be made of 135 ° hooks and hook end of the straight length of not less than 10 times the diameter of the stirrups, and should not be less than 75mm;
      2, stirrups limb stirrups encrypted area of distance, level of not more than 200mm, two, three and not more than 20 times greater of 250mm diameter stirrups, four of not more than 300mm. Every single longitudinal reinforcement should be in there are two directions stirrups; when using a combination of hoop reinforcement, reinforcement should be closed immediately hooked hoop and longitudinal reinforcement;
      3, column stirrups non-encrypted area, the volume stirrup ratio of not less than half of the encrypted area; their stirrups spacing should not exceed two times the encrypted area stirrup spacing, and one or two should not exceed 10 times the vertical bar diameter, three, four longitudinal reinforcement should not exceed 15 times the diameter.

      Copyright:佛山市勝邦鋼結構有限公司 Foshan Shengbang Steel Structure Co., Ltd. Record Number:粵ICP備13078463號
      久久综合久久自在自线精品自

          久久久久亚洲国产AV麻豆| 97美女超碰精品国产| 亚洲精品中文字幕无码久久久久久| 少妇被又大又粗又爽毛片久久黑人| 久久亚洲中文字幕无码| 色欲色香天天天综合VVV| 含羞草家庭影院| 国产国产精品人在线视| 免费精品国产自产拍在线观看图片| 夜色毛片永久免费|