工程案例


鋼筋綁扎

鋼筋綁扎的幾種綁法:
主要(yao)有五種,柱子鋼(gang)筋(jin)綁(bang)(bang)(bang)扎(zha)工藝、梁(liang)鋼(gang)筋(jin)綁(bang)(bang)(bang)扎(zha)、板鋼(gang)筋(jin)綁(bang)(bang)(bang)扎(zha)、樓梯鋼(gang)筋(jin)綁(bang)(bang)(bang)扎(zha)、柱箍筋(jin)綁(bang)(bang)(bang)扎(zha)。
1、柱子鋼筋綁扎工藝:按(an)圖紙要(yao)求間(jian)距,計(ji)算好每根柱箍筋數量,箍筋套(tao)在(zai)下(xia)層伸(shen)的(de)搭接筋上(shang),立柱子鋼(gang)筋,在(zai)搭接長度內,綁扣不(bu)少(shao)于(yu)3個(ge),綁扣要(yao)向柱中心。如果(guo)柱子主筋采(cai)用光圓鋼(gang)筋搭接時,角(jiao)部彎(wan)鉤應與模板(ban)成45°,中間(jian)鋼(gang)筋的(de)彎(wan)鉤應與模板(ban)成90°角(jiao)。
2、梁鋼筋綁扎:框(kuang)架梁(liang)(liang)上(shang)部縱向(xiang)鋼筋(jin)(jin)應(ying)貫穿中間節(jie)點(dian),梁(liang)(liang)下部縱向(xiang)鋼筋(jin)(jin)伸(shen)入中間節(jie)點(dian)錨(mao)固(gu)長(chang)度及伸(shen)過中心線的(de)長(chang)度要符(fu)合設計要求(qiu).綁(bang)(bang)梁(liang)(liang)上(shang)部縱向(xiang)筋(jin)(jin)的(de)箍筋(jin)(jin),宜用套扣法(fa)綁(bang)(bang)扎(zha)。箍筋(jin)(jin)在疊合處的(de)彎(wan)鉤(gou),在梁(liang)(liang)中應(ying)交錯綁(bang)(bang)扎(zha),箍筋(jin)(jin)彎(wan)鉤(gou)為(wei)135°,平(ping)直部分長(chang)度為(wei)10d,如做(zuo)成封閉(bi)箍時(shi),單面(mian)焊(han)縫長(chang)度為(wei)5d。
3、板鋼筋綁扎:綁扎(zha)板(ban)筋(jin)(jin)(jin)時(shi)用(yong)順扣或八字扣,除(chu)外圍兩根筋(jin)(jin)(jin)的(de)相(xiang)交(jiao)(jiao)點(dian)應全部綁扎(zha)外,其(qi)余各(ge)點(dian)可交(jiao)(jiao)錯綁扎(zha)(雙向板(ban)相(xiang)交(jiao)(jiao)點(dian)須全部綁扎(zha))。如(ru)板(ban)為雙層鋼(gang)筋(jin)(jin)(jin),兩層筋(jin)(jin)(jin)之間須加鋼(gang)筋(jin)(jin)(jin)馬(ma)凳(deng),以確保上部鋼(gang)筋(jin)(jin)(jin)的(de)位置。負彎矩(ju)鋼(gang)筋(jin)(jin)(jin)每(mei)個相(xiang)交(jiao)(jiao)點(dian)均要綁扎(zha)。
4、樓梯鋼筋綁扎:根據(ju)設計圖(tu)紙中主筋(jin)(jin)(jin)、分(fen)布(bu)筋(jin)(jin)(jin)的方向,綁(bang)(bang)(bang)扎(zha)(zha)主筋(jin)(jin)(jin)后(hou)綁(bang)(bang)(bang)扎(zha)(zha)分(fen)布(bu)筋(jin)(jin)(jin),每個交點均應綁(bang)(bang)(bang)扎(zha)(zha)。如有(you)樓梯(ti)梁時,先綁(bang)(bang)(bang)梁后(hou)綁(bang)(bang)(bang)板筋(jin)(jin)(jin)。板筋(jin)(jin)(jin)要(yao)錨(mao)固到梁內。底板筋(jin)(jin)(jin)綁(bang)(bang)(bang)完,再綁(bang)(bang)(bang)扎(zha)(zha)梯(ti)板負筋(jin)(jin)(jin)鋼筋(jin)(jin)(jin)。主筋(jin)(jin)(jin)、負筋(jin)(jin)(jin)數(shu)量和位置均要(yao)符合(he)設計要(yao)求。
5、柱箍筋綁扎:按已劃好箍筋(jin)(jin)位置(zhi)(zhi)線,將已套好的(de)箍筋(jin)(jin)往上移動,由上往下(xia)綁扎,宜(yi)采(cai)用纏扣(kou)綁扎。箍筋(jin)(jin)與主(zhu)筋(jin)(jin)要垂直,箍筋(jin)(jin)轉(zhuan)角(jiao)處與主(zhu)筋(jin)(jin)交(jiao)點(dian)均要綁扎,主(zhu)筋(jin)(jin)與箍筋(jin)(jin)非轉(zhuan)角(jiao)部分的(de)相交(jiao)點(dian)成(cheng)梅花交(jiao)錯綁扎。箍筋(jin)(jin)的(de)彎(wan)鉤疊合處應沿柱子豎(shu)筋(jin)(jin)交(jiao)錯布置(zhi)(zhi),并(bing)綁扎牢固。