嶗山區海信時代中心 鋼結構夾層 該項目(mu)原建(jian)筑室內層高十米,最大跨服(fu)13米,業主為增加實用(yong)(yong)(yong)面積需加建(jian)鋼結構二層。為增大利用(yong)(yong)(yong)率,一層不設置立柱(zhu),總體(ti)用(yong)(yong)(yong)鋼量為50噸(dun)。工(gong)程(cheng)屬(shu)于改(gai)造(zao)類(lei)項目(mu),原建(jian)筑主體(ti)及(ji)外立面已完工(gong),工(gong)程(cheng)施工(gong)需在(zai)不破壞(huai)原建(jian)筑的(de)前提下進行施工(gong),無法使(shi)用(yong)(yong)(yong)吊車等機(ji)械設備,工(gong)程(cheng)所采用(yong)(yong)(yong)為車間(jian)加工(gong)現場安裝,構件最大單重為三(san)噸(dun)。鏈接方式為化學錨栓植筋(jin)。