一條行人天橋係beam bridge個spcing 23m , 咁通常個deck用d咩做??
e.g. precast concrete U girder,, precast concrete I girder, box girder or other???
thank you!!
行人天橋個deck 通常用d咩??
2012-04-21 10:55 pm
回答 (1)
2012-04-27 5:33 am
✔ 最佳答案
做 deck 來來去去都係得幾個 design1 precast girder beam
2 structural steet beam
3 reinforced concrete
用邊種方法視乎:
工程時間-工程時間短多數會用預制件, 例如 precast girder, steel beam
工程環境限制-如果地方淺窄, 太長嘅預制件冇辦法進入工地, 咁要考慮做 cast-in-situ 嘅 reinforced concrete
收錄日期: 2021-04-23 21:44:21
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20120421000051KK00379