樓梯形(xing)式

樓梯按(an)梯段可(ke)分為單跑(pao)樓梯、雙(shuang)跑(pao)樓梯和多跑(pao)樓梯。梯段的(de)(de)平面形狀有直線的(de)(de)、折線的(de)(de)和曲線的(de)(de)。

單跑(pao)(pao)樓(lou)梯(ti)(ti)最為(wei)簡單，適合于(yu)(yu)層高(gao)較(jiao)低(di)的(de)建(jian)(jian)(jian)(jian)筑;雙(shuang)(shuang)跑(pao)(pao)樓(lou)梯(ti)(ti)最為(wei)常(chang)見，有雙(shuang)(shuang)跑(pao)(pao)直(zhi)上、雙(shuang)(shuang)跑(pao)(pao)曲(qu)折(zhe)、雙(shuang)(shuang)跑(pao)(pao)對折(zhe)(平(ping)行)等，適用(yong)(yong)于(yu)(yu)一(yi)般民用(yong)(yong)建(jian)(jian)(jian)(jian)筑和工業建(jian)(jian)(jian)(jian)筑;三(san)跑(pao)(pao)樓(lou)梯(ti)(ti)有三(san)折(zhe)式、丁字式、分合式等，多用(yong)(yong)于(yu)(yu)公(gong)共(gong)建(jian)(jian)(jian)(jian)筑;剪刀樓(lou)梯(ti)(ti)系由(you)一(yi)對方向相反(fan)的(de)雙(shuang)(shuang)跑(pao)(pao)平(ping)行梯(ti)(ti)組成(cheng)，或由(you)一(yi)對互(hu)相重疊而(er)又(you)不連(lian)通的(de)單跑(pao)(pao)直(zhi)上梯(ti)(ti)構(gou)成(cheng)，剖面呈(cheng)交叉的(de)剪刀形(xing)，能(neng)同時通過(guo)較(jiao)多的(de)人流(liu)并節省空(kong)間(jian)(jian);螺旋轉梯(ti)(ti)是以扇形(xing)踏(ta)步支(zhi)承在中立柱上，雖行走欠舒適，但節省空(kong)間(jian)(jian)，適用(yong)(yong)于(yu)(yu)人流(liu)較(jiao)少，使用(yong)(yong)不頻繁的(de)場所;圓形(xing)、半圓形(xing)、弧形(xing)樓(lou)梯(ti)(ti)，由(you)曲(qu)梁或曲(qu)板支(zhi)承，踏(ta)步略呈(cheng)扇形(xing)，花(hua)式多樣，造型活潑，富于(yu)(yu)裝飾性，適用(yong)(yong)于(yu)(yu)公(gong)共(gong)建(jian)(jian)(jian)(jian)筑。