
樓梯形(xing)式
樓(lou)(lou)梯按(an)梯段可分(fen)為單跑樓(lou)(lou)梯、雙跑樓(lou)(lou)梯和多跑樓(lou)(lou)梯。梯段的平面形狀有直線的、折線的和曲線的。
單跑(pao)樓(lou)(lou)梯最為(wei)簡單,適合(he)于(yu)(yu)(yu)層高較(jiao)低的(de)建筑;雙(shuang)跑(pao)樓(lou)(lou)梯最為(wei)常見,有雙(shuang)跑(pao)直上、雙(shuang)跑(pao)曲折(zhe)(zhe)、雙(shuang)跑(pao)對折(zhe)(zhe)(平行)等,適用(yong)(yong)(yong)(yong)于(yu)(yu)(yu)一般民用(yong)(yong)(yong)(yong)建筑和(he)工業建筑;三跑(pao)樓(lou)(lou)梯有三折(zhe)(zhe)式(shi)、丁字(zi)式(shi)、分合(he)式(shi)等,多(duo)(duo)用(yong)(yong)(yong)(yong)于(yu)(yu)(yu)公共建筑;剪(jian)刀(dao)樓(lou)(lou)梯系由(you)一對方向相反的(de)雙(shuang)跑(pao)平行梯組成,或由(you)一對互相重(zhong)疊而又不(bu)連(lian)通的(de)單跑(pao)直上梯構成,剖面呈(cheng)交(jiao)叉的(de)剪(jian)刀(dao)形(xing)(xing)(xing),能同時通過(guo)較(jiao)多(duo)(duo)的(de)人流(liu)并節(jie)省空間(jian);螺旋(xuan)轉梯是以扇形(xing)(xing)(xing)踏步支承在中立柱上,雖(sui)行走欠舒適,但(dan)節(jie)省空間(jian),適用(yong)(yong)(yong)(yong)于(yu)(yu)(yu)人流(liu)較(jiao)少,使用(yong)(yong)(yong)(yong)不(bu)頻(pin)繁的(de)場所;圓形(xing)(xing)(xing)、半(ban)圓形(xing)(xing)(xing)、弧形(xing)(xing)(xing)樓(lou)(lou)梯,由(you)曲梁(liang)或曲板支承,踏步略呈(cheng)扇形(xing)(xing)(xing),花式(shi)多(duo)(duo)樣(yang),造(zao)型(xing)活潑(po),富于(yu)(yu)(yu)裝飾性,適用(yong)(yong)(yong)(yong)于(yu)(yu)(yu)公共建筑。
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