工程案例


鋼筋綁扎

鋼筋綁扎的幾種綁法:
主要有五種,柱(zhu)(zhu)子鋼(gang)筋(jin)綁(bang)扎工藝、梁鋼(gang)筋(jin)綁(bang)扎、板鋼(gang)筋(jin)綁(bang)扎、樓(lou)梯(ti)鋼(gang)筋(jin)綁(bang)扎、柱(zhu)(zhu)箍筋(jin)綁(bang)扎。
1、柱子鋼筋綁扎工藝:按圖(tu)紙(zhi)要(yao)求間距,計算(suan)好每(mei)根柱(zhu)箍(gu)筋(jin)(jin)數量,箍(gu)筋(jin)(jin)套在下層伸(shen)的搭(da)接筋(jin)(jin)上,立柱(zhu)子(zi)鋼(gang)筋(jin)(jin),在搭(da)接長度內,綁扣(kou)不少于3個,綁扣(kou)要(yao)向柱(zhu)中心。如果柱(zhu)子(zi)主筋(jin)(jin)采用光圓鋼(gang)筋(jin)(jin)搭(da)接時(shi),角部彎鉤(gou)(gou)應與(yu)模板成45°,中間鋼(gang)筋(jin)(jin)的彎鉤(gou)(gou)應與(yu)模板成90°角。
2、梁鋼筋綁扎:框架梁上部(bu)(bu)縱(zong)(zong)向(xiang)鋼筋(jin)應(ying)貫穿中間節(jie)點,梁下(xia)部(bu)(bu)縱(zong)(zong)向(xiang)鋼筋(jin)伸入(ru)中間節(jie)點錨固長度(du)及(ji)伸過(guo)中心線的長度(du)要(yao)符合設計要(yao)求(qiu).綁(bang)(bang)梁上部(bu)(bu)縱(zong)(zong)向(xiang)筋(jin)的箍筋(jin),宜用套(tao)扣法綁(bang)(bang)扎(zha)。箍筋(jin)在疊合處的彎鉤,在梁中應(ying)交錯綁(bang)(bang)扎(zha),箍筋(jin)彎鉤為135°,平直部(bu)(bu)分長度(du)為10d,如做成封閉箍時(shi),單面焊縫長度(du)為5d。
3、板鋼筋綁扎:綁(bang)扎(zha)板(ban)筋(jin)(jin)時用順扣或八字扣,除(chu)外(wai)圍(wei)兩根筋(jin)(jin)的相交(jiao)點應(ying)全(quan)(quan)部綁(bang)扎(zha)外(wai),其余各點可(ke)交(jiao)錯綁(bang)扎(zha)(雙向(xiang)板(ban)相交(jiao)點須全(quan)(quan)部綁(bang)扎(zha))。如板(ban)為雙層鋼(gang)(gang)筋(jin)(jin),兩層筋(jin)(jin)之間(jian)須加鋼(gang)(gang)筋(jin)(jin)馬(ma)凳,以確保上部鋼(gang)(gang)筋(jin)(jin)的位(wei)置(zhi)。負(fu)彎矩鋼(gang)(gang)筋(jin)(jin)每個相交(jiao)點均(jun)要綁(bang)扎(zha)。
4、樓梯鋼筋綁扎:根據設(she)計(ji)(ji)圖(tu)紙中主筋、分布筋的方(fang)向,綁(bang)(bang)(bang)扎(zha)主筋后(hou)綁(bang)(bang)(bang)扎(zha)分布筋,每(mei)個交點均應綁(bang)(bang)(bang)扎(zha)。如有樓梯梁時,先綁(bang)(bang)(bang)梁后(hou)綁(bang)(bang)(bang)板(ban)筋。板(ban)筋要錨固到梁內。底板(ban)筋綁(bang)(bang)(bang)完,再綁(bang)(bang)(bang)扎(zha)梯板(ban)負筋鋼筋。主筋、負筋數量和位置均要符合設(she)計(ji)(ji)要求(qiu)。
5、柱箍筋綁扎:按已劃好箍(gu)(gu)筋位置線,將(jiang)已套好的(de)(de)箍(gu)(gu)筋往上移(yi)動(dong),由上往下綁(bang)(bang)(bang)扎(zha),宜采用(yong)纏扣綁(bang)(bang)(bang)扎(zha)。箍(gu)(gu)筋與(yu)主(zhu)(zhu)筋要垂直,箍(gu)(gu)筋轉角(jiao)處與(yu)主(zhu)(zhu)筋交(jiao)(jiao)點均(jun)要綁(bang)(bang)(bang)扎(zha),主(zhu)(zhu)筋與(yu)箍(gu)(gu)筋非轉角(jiao)部分的(de)(de)相交(jiao)(jiao)點成梅花交(jiao)(jiao)錯綁(bang)(bang)(bang)扎(zha)。箍(gu)(gu)筋的(de)(de)彎(wan)鉤疊(die)合處應沿柱子豎筋交(jiao)(jiao)錯布置,并綁(bang)(bang)(bang)扎(zha)牢(lao)固。