樓梯形式(shi)

樓(lou)梯按梯段可分(fen)為(wei)單跑樓(lou)梯、雙跑樓(lou)梯和(he)(he)多跑樓(lou)梯。梯段的平面形狀有直線(xian)(xian)的、折線(xian)(xian)的和(he)(he)曲線(xian)(xian)的。

單跑樓梯(ti)(ti)最為簡(jian)單，適合于層高(gao)較(jiao)低的(de)(de)建(jian)(jian)(jian)筑;雙(shuang)跑樓梯(ti)(ti)最為常見(jian)，有雙(shuang)跑直(zhi)上(shang)(shang)、雙(shuang)跑曲(qu)折、雙(shuang)跑對(dui)折(平(ping)行)等，適用(yong)(yong)于一(yi)般民用(yong)(yong)建(jian)(jian)(jian)筑和工(gong)業建(jian)(jian)(jian)筑;三(san)(san)跑樓梯(ti)(ti)有三(san)(san)折式(shi)(shi)、丁字式(shi)(shi)、分合式(shi)(shi)等，多(duo)用(yong)(yong)于公(gong)共建(jian)(jian)(jian)筑;剪刀(dao)樓梯(ti)(ti)系由(you)一(yi)對(dui)方向相反的(de)(de)雙(shuang)跑平(ping)行梯(ti)(ti)組成(cheng)，或由(you)一(yi)對(dui)互相重疊(die)而(er)又不(bu)連通的(de)(de)單跑直(zhi)上(shang)(shang)梯(ti)(ti)構成(cheng)，剖面(mian)呈交叉(cha)的(de)(de)剪刀(dao)形(xing)，能(neng)同(tong)時通過較(jiao)多(duo)的(de)(de)人流并節省空間(jian);螺(luo)旋轉(zhuan)梯(ti)(ti)是以扇形(xing)踏步支(zhi)承(cheng)在中(zhong)立柱上(shang)(shang)，雖行走欠(qian)舒適，但節省空間(jian)，適用(yong)(yong)于人流較(jiao)少，使用(yong)(yong)不(bu)頻繁(fan)的(de)(de)場所;圓(yuan)形(xing)、半圓(yuan)形(xing)、弧(hu)形(xing)樓梯(ti)(ti)，由(you)曲(qu)梁或曲(qu)板支(zhi)承(cheng)，踏步略呈扇形(xing)，花式(shi)(shi)多(duo)樣，造型活(huo)潑(po)，富于裝飾(shi)性，適用(yong)(yong)于公(gong)共建(jian)(jian)(jian)筑。