用來滿(man)足斜截面(mian)抗剪強(qiang)度，并聯結受(shou)(shou)力主(zhu)筋(jin)(jin)(jin)(jin)和受(shou)(shou)壓區混筋(jin)(jin)(jin)(jin)骨架的(de)(de)鋼(gang)筋(jin)(jin)(jin)(jin)。分單肢箍(gu)筋(jin)(jin)(jin)(jin)、開口矩(ju)形(xing)(xing)(xing)箍(gu)筋(jin)(jin)(jin)(jin)、封閉(bi)矩(ju)形(xing)(xing)(xing)箍(gu)筋(jin)(jin)(jin)(jin)、菱形(xing)(xing)(xing)箍(gu)筋(jin)(jin)(jin)(jin)、多(duo)邊(bian)形(xing)(xing)(xing)箍(gu)筋(jin)(jin)(jin)(jin)、井字形(xing)(xing)(xing)箍(gu)筋(jin)(jin)(jin)(jin)和圓形(xing)(xing)(xing)箍(gu)筋(jin)(jin)(jin)(jin)等。箍(gu)筋(jin)(jin)(jin)(jin)應根(gen)據計算確定，箍(gu)筋(jin)(jin)(jin)(jin)的(de)(de)最(zui)小直徑與(yu)梁(liang)(liang)(liang)高h有關，當h≦800mm時，不宜小于(yu)6mm；當h>800mm時，不宜小于(yu)8mm。梁(liang)(liang)(liang)支座處(chu)的(de)(de)箍(gu)筋(jin)(jin)(jin)(jin)一般從梁(liang)(liang)(liang)邊(bian)（或墻(qiang)邊(bian)）50mm處(chu)開始(shi)設置(zhi)(zhi)。支承在砌體(ti)結構上的(de)(de)鋼(gang)筋(jin)(jin)(jin)(jin)混凝土獨立梁(liang)(liang)(liang)，在縱(zong)向(xiang)受(shou)(shou)力鋼(gang)筋(jin)(jin)(jin)(jin)的(de)(de)錨固(gu)長(chang)度Las范圍(wei)內應設置(zhi)(zhi)不少(shao)于(yu)兩(liang)道(dao)的(de)(de)箍(gu)筋(jin)(jin)(jin)(jin)，當梁(liang)(liang)(liang)與(yu)混凝土梁(liang)(liang)(liang)或柱整體(ti)連(lian)接時，支座內可不設置(zhi)(zhi)箍(gu)筋(jin)(jin)(jin)(jin)。