按(an)結(jie)構形式(shi)和(he)受力(li)特點樓梯形式(shi)可(ke)分為板式(shi)、梁式(shi)、懸挑(tiao)(剪刀)式(shi)和(he)螺旋(xuan)式(shi)，前(qian)兩種屬于(yu)平面受力(li)體系，后兩種則(ze)為空(kong)間受力(li)體系。

板(ban)(ban)式樓(lou)梯是(shi)由梯段(duan)(duan)板(ban)(ban)、平(ping)(ping)臺(tai)板(ban)(ban)和(he)平(ping)(ping)臺(tai)梁組成。梯段(duan)(duan)板(ban)(ban)是(shi)一塊帶踏步的(de)斜板(ban)(ban)，斜板(ban)(ban)支(zhi)(zhi)承(cheng)于(yu)上、下(xia)(xia)平(ping)(ping)臺(tai)梁上，底層下(xia)(xia)端支(zhi)(zhi)承(cheng)在地壟墻(qiang)上。板(ban)(ban)式樓(lou)梯的(de)優點是(shi)梯段(duan)(duan)板(ban)(ban)下(xia)(xia)表(biao)面平(ping)(ping)整(zheng)，支(zhi)(zhi)模簡單;其缺點是(shi)梯段(duan)(duan)板(ban)(ban)跨(kua)度(du)較(jiao)(jiao)大(da)時，斜板(ban)(ban)厚度(du)較(jiao)(jiao)大(da)，結構材料(liao)用量(liang)較(jiao)(jiao)多。因此板(ban)(ban)式樓(lou)梯適用于(yu)可變荷(he)載較(jiao)(jiao)小(xiao)、梯段(duan)(duan)板(ban)(ban)跨(kua)度(du)一般不大(da)于(yu)3m的(de)情況。