
樓梯形式(shi)
樓(lou)梯按(an)梯段(duan)可分為單跑樓(lou)梯、雙跑樓(lou)梯和(he)多跑樓(lou)梯。梯段(duan)的平面形狀有直線的、折線的和(he)曲線的。
單(dan)跑(pao)(pao)樓(lou)梯(ti)最(zui)為簡單(dan),適(shi)合于(yu)層高較(jiao)低的(de)(de)建(jian)(jian)筑;雙跑(pao)(pao)樓(lou)梯(ti)最(zui)為常(chang)見(jian),有雙跑(pao)(pao)直上、雙跑(pao)(pao)曲折、雙跑(pao)(pao)對(dui)折(平(ping)行(xing))等,適(shi)用(yong)(yong)(yong)于(yu)一般民用(yong)(yong)(yong)建(jian)(jian)筑和工業(ye)建(jian)(jian)筑;三(san)跑(pao)(pao)樓(lou)梯(ti)有三(san)折式(shi)(shi)、丁字式(shi)(shi)、分合式(shi)(shi)等,多(duo)用(yong)(yong)(yong)于(yu)公共建(jian)(jian)筑;剪(jian)刀(dao)樓(lou)梯(ti)系(xi)由(you)一對(dui)方向相(xiang)反(fan)的(de)(de)雙跑(pao)(pao)平(ping)行(xing)梯(ti)組成,或(huo)由(you)一對(dui)互(hu)相(xiang)重疊而又不(bu)連通的(de)(de)單(dan)跑(pao)(pao)直上梯(ti)構成,剖(pou)面(mian)呈交叉的(de)(de)剪(jian)刀(dao)形(xing),能同時通過較(jiao)多(duo)的(de)(de)人流并節省空間;螺旋轉梯(ti)是以扇(shan)(shan)形(xing)踏步支承(cheng)在中立柱(zhu)上,雖行(xing)走(zou)欠舒適(shi),但節省空間,適(shi)用(yong)(yong)(yong)于(yu)人流較(jiao)少,使(shi)用(yong)(yong)(yong)不(bu)頻繁的(de)(de)場所;圓形(xing)、半圓形(xing)、弧形(xing)樓(lou)梯(ti),由(you)曲梁或(huo)曲板支承(cheng),踏步略呈扇(shan)(shan)形(xing),花式(shi)(shi)多(duo)樣,造型活潑,富于(yu)裝飾性,適(shi)用(yong)(yong)(yong)于(yu)公共建(jian)(jian)筑。
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