樓梯形(xing)式(shi)

樓梯按梯段可分為單跑(pao)樓梯、雙跑(pao)樓梯和(he)多(duo)跑(pao)樓梯。梯段的平面形狀(zhuang)有(you)直線(xian)的、折線(xian)的和(he)曲(qu)線(xian)的。

單(dan)(dan)跑(pao)(pao)樓梯(ti)(ti)(ti)最為(wei)簡單(dan)(dan)，適(shi)(shi)(shi)合于(yu)層高較(jiao)低的建(jian)(jian)筑(zhu)(zhu);雙(shuang)(shuang)(shuang)(shuang)跑(pao)(pao)樓梯(ti)(ti)(ti)最為(wei)常見，有雙(shuang)(shuang)(shuang)(shuang)跑(pao)(pao)直上(shang)(shang)、雙(shuang)(shuang)(shuang)(shuang)跑(pao)(pao)曲(qu)折(zhe)、雙(shuang)(shuang)(shuang)(shuang)跑(pao)(pao)對折(zhe)(平行)等(deng)，適(shi)(shi)(shi)用(yong)(yong)于(yu)一般民用(yong)(yong)建(jian)(jian)筑(zhu)(zhu)和工(gong)業建(jian)(jian)筑(zhu)(zhu);三跑(pao)(pao)樓梯(ti)(ti)(ti)有三折(zhe)式(shi)(shi)、丁字式(shi)(shi)、分合式(shi)(shi)等(deng)，多(duo)用(yong)(yong)于(yu)公共建(jian)(jian)筑(zhu)(zhu);剪(jian)刀(dao)(dao)樓梯(ti)(ti)(ti)系由一對方向相反的雙(shuang)(shuang)(shuang)(shuang)跑(pao)(pao)平行梯(ti)(ti)(ti)組成，或由一對互相重疊而又不連通(tong)的單(dan)(dan)跑(pao)(pao)直上(shang)(shang)梯(ti)(ti)(ti)構成，剖面呈交叉的剪(jian)刀(dao)(dao)形(xing)，能同時通(tong)過較(jiao)多(duo)的人流并節(jie)省(sheng)空(kong)間(jian);螺旋轉梯(ti)(ti)(ti)是(shi)以扇形(xing)踏步支承在中立(li)柱上(shang)(shang)，雖行走(zou)欠舒適(shi)(shi)(shi)，但節(jie)省(sheng)空(kong)間(jian)，適(shi)(shi)(shi)用(yong)(yong)于(yu)人流較(jiao)少(shao)，使用(yong)(yong)不頻繁(fan)的場所(suo);圓(yuan)形(xing)、半圓(yuan)形(xing)、弧形(xing)樓梯(ti)(ti)(ti)，由曲(qu)梁或曲(qu)板支承，踏步略(lve)呈扇形(xing)，花式(shi)(shi)多(duo)樣，造型活潑，富于(yu)裝飾性，適(shi)(shi)(shi)用(yong)(yong)于(yu)公共建(jian)(jian)筑(zhu)(zhu)。