按結(jie)構形式和(he)(he)受(shou)(shou)力特點樓梯(ti)形式可(ke)分為板式、梁式、懸(xuan)挑(剪(jian)刀)式和(he)(he)螺旋式，前兩種屬(shu)于平面受(shou)(shou)力體(ti)系，后兩種則(ze)為空間受(shou)(shou)力體(ti)系。

板(ban)(ban)(ban)(ban)(ban)式(shi)樓梯(ti)(ti)是(shi)(shi)由梯(ti)(ti)段(duan)板(ban)(ban)(ban)(ban)(ban)、平(ping)臺(tai)(tai)板(ban)(ban)(ban)(ban)(ban)和平(ping)臺(tai)(tai)梁組(zu)成。梯(ti)(ti)段(duan)板(ban)(ban)(ban)(ban)(ban)是(shi)(shi)一(yi)塊(kuai)帶踏步的斜板(ban)(ban)(ban)(ban)(ban)，斜板(ban)(ban)(ban)(ban)(ban)支承于(yu)上、下平(ping)臺(tai)(tai)梁上，底層(ceng)下端(duan)支承在地壟墻上。板(ban)(ban)(ban)(ban)(ban)式(shi)樓梯(ti)(ti)的優(you)點是(shi)(shi)梯(ti)(ti)段(duan)板(ban)(ban)(ban)(ban)(ban)下表(biao)面平(ping)整，支模簡(jian)單;其缺點是(shi)(shi)梯(ti)(ti)段(duan)板(ban)(ban)(ban)(ban)(ban)跨(kua)度(du)較(jiao)(jiao)大時(shi)，斜板(ban)(ban)(ban)(ban)(ban)厚度(du)較(jiao)(jiao)大，結構材料(liao)用量較(jiao)(jiao)多。因此板(ban)(ban)(ban)(ban)(ban)式(shi)樓梯(ti)(ti)適用于(yu)可變(bian)荷載較(jiao)(jiao)小、梯(ti)(ti)段(duan)板(ban)(ban)(ban)(ban)(ban)跨(kua)度(du)一(yi)般不大于(yu)3m的情況。