樓梯形(xing)式(shi)

樓(lou)(lou)梯(ti)(ti)按(an)梯(ti)(ti)段可分為單跑樓(lou)(lou)梯(ti)(ti)、雙跑樓(lou)(lou)梯(ti)(ti)和多跑樓(lou)(lou)梯(ti)(ti)。梯(ti)(ti)段的(de)平(ping)面(mian)形狀(zhuang)有直線的(de)、折線的(de)和曲線的(de)。

單跑(pao)(pao)樓梯(ti)最(zui)為簡(jian)單，適合(he)于層高較(jiao)(jiao)低的建(jian)(jian)筑(zhu);雙(shuang)跑(pao)(pao)樓梯(ti)最(zui)為常見，有雙(shuang)跑(pao)(pao)直上、雙(shuang)跑(pao)(pao)曲(qu)(qu)(qu)折、雙(shuang)跑(pao)(pao)對(dui)(dui)折(平行)等，適用(yong)(yong)于一(yi)般(ban)民用(yong)(yong)建(jian)(jian)筑(zhu)和(he)工業建(jian)(jian)筑(zhu);三(san)跑(pao)(pao)樓梯(ti)有三(san)折式(shi)、丁字式(shi)、分合(he)式(shi)等，多(duo)用(yong)(yong)于公(gong)共(gong)建(jian)(jian)筑(zhu);剪刀(dao)(dao)樓梯(ti)系(xi)由(you)一(yi)對(dui)(dui)方向相(xiang)反的雙(shuang)跑(pao)(pao)平行梯(ti)組成(cheng)，或(huo)由(you)一(yi)對(dui)(dui)互(hu)相(xiang)重疊而又(you)不(bu)連(lian)通的單跑(pao)(pao)直上梯(ti)構(gou)成(cheng)，剖面呈交叉的剪刀(dao)(dao)形(xing)(xing)，能同時通過較(jiao)(jiao)多(duo)的人流(liu)并節省(sheng)空(kong)間;螺旋轉梯(ti)是以扇形(xing)(xing)踏步支承(cheng)(cheng)在中立柱上，雖行走欠舒適，但節省(sheng)空(kong)間，適用(yong)(yong)于人流(liu)較(jiao)(jiao)少，使(shi)用(yong)(yong)不(bu)頻繁的場所(suo);圓形(xing)(xing)、半圓形(xing)(xing)、弧形(xing)(xing)樓梯(ti)，由(you)曲(qu)(qu)(qu)梁或(huo)曲(qu)(qu)(qu)板(ban)支承(cheng)(cheng)，踏步略呈扇形(xing)(xing)，花式(shi)多(duo)樣，造(zao)型活潑，富于裝飾性，適用(yong)(yong)于公(gong)共(gong)建(jian)(jian)筑(zhu)。