樓梯形式

樓梯按(an)梯段可分為單跑樓梯、雙跑樓梯和多跑樓梯。梯段的平(ping)面形狀有直(zhi)線(xian)的、折線(xian)的和曲線(xian)的。

單跑(pao)樓(lou)梯(ti)(ti)(ti)最(zui)為(wei)簡單，適合于(yu)(yu)(yu)層(ceng)高較(jiao)低的(de)建筑(zhu);雙跑(pao)樓(lou)梯(ti)(ti)(ti)最(zui)為(wei)常見，有雙跑(pao)直上(shang)、雙跑(pao)曲(qu)折、雙跑(pao)對(dui)折(平行(xing))等(deng)，適用(yong)(yong)(yong)于(yu)(yu)(yu)一般民用(yong)(yong)(yong)建筑(zhu)和工業建筑(zhu);三跑(pao)樓(lou)梯(ti)(ti)(ti)有三折式、丁字(zi)式、分(fen)合式等(deng)，多用(yong)(yong)(yong)于(yu)(yu)(yu)公(gong)共建筑(zhu);剪刀樓(lou)梯(ti)(ti)(ti)系由(you)一對(dui)方向相反的(de)雙跑(pao)平行(xing)梯(ti)(ti)(ti)組(zu)成，或由(you)一對(dui)互相重(zhong)疊而(er)又(you)不(bu)連通(tong)的(de)單跑(pao)直上(shang)梯(ti)(ti)(ti)構成，剖面呈(cheng)交(jiao)叉的(de)剪刀形(xing)，能同時通(tong)過較(jiao)多的(de)人(ren)流并節(jie)省(sheng)空(kong)(kong)間(jian);螺旋轉梯(ti)(ti)(ti)是以扇(shan)形(xing)踏(ta)步支(zhi)承在中立柱上(shang)，雖行(xing)走欠舒適，但節(jie)省(sheng)空(kong)(kong)間(jian)，適用(yong)(yong)(yong)于(yu)(yu)(yu)人(ren)流較(jiao)少，使(shi)用(yong)(yong)(yong)不(bu)頻繁的(de)場所;圓形(xing)、半圓形(xing)、弧(hu)形(xing)樓(lou)梯(ti)(ti)(ti)，由(you)曲(qu)梁(liang)或曲(qu)板支(zhi)承，踏(ta)步略呈(cheng)扇(shan)形(xing)，花(hua)式多樣，造型活潑，富于(yu)(yu)(yu)裝飾(shi)性(xing)，適用(yong)(yong)(yong)于(yu)(yu)(yu)公(gong)共建筑(zhu)。