直徑不(bu)大(da)于12mm的(de)(de)受(shou)(shou)壓Ⅰ級鋼(gang)(gang)(gang)(gang)(gang)筋(jin)的(de)(de)末(mo)端，以及軸心受(shou)(shou)壓構件(jian)中任意直徑的(de)(de)受(shou)(shou)力鋼(gang)(gang)(gang)(gang)(gang)筋(jin)的(de)(de)末(mo)端，可(ke)不(bu)做彎鉤，但搭接(jie)長度不(bu)小于鋼(gang)(gang)(gang)(gang)(gang)筋(jin)直徑的(de)(de)35倍，并滿(man)足設計要求。核對成品(pin)鋼(gang)(gang)(gang)(gang)(gang)筋(jin)的(de)(de)鋼(gang)(gang)(gang)(gang)(gang)號、直徑、形(xing)狀、尺寸和數量等(deng)是否與(yu)配料(liao)單、料(liao)牌相符，如(ru)有錯漏，應糾正整補。所示鋼(gang)(gang)(gang)(gang)(gang)筋(jin)進(jin)場必須有生產合格證以及及時進(jin)行(xing)鋼(gang)(gang)(gang)(gang)(gang)筋(jin)的(de)(de)檢驗(yan)合格記錄方可(ke)使用(yong)(yong)。準(zhun)(zhun)備(bei)綁扎安裝(zhuang)鋼(gang)(gang)(gang)(gang)(gang)筋(jin)用(yong)(yong)鐵絲(si)、工(gong)具、設備(bei)、綁扎架等(deng)。準(zhun)(zhun)備(bei)好(hao)控制砼(tong)保護層用(yong)(yong)的(de)(de)塑(su)料(liao)墊塊。清掃鋼(gang)(gang)(gang)(gang)(gang)筋(jin)綁扎安裝(zhuang)場地(di)(di)，在模(mo)板上(shang)或架立筋(jin)上(shang)用(yong)(yong)粉筆(bi)畫出鋼(gang)(gang)(gang)(gang)(gang)筋(jin)位置線，預埋件(jian)、預埋管(guan)線位置線。在建筑工(gong)程中，鋼(gang)(gang)(gang)(gang)(gang)筋(jin)需(xu)要長期(qi)暴露(lu)在空氣中，容(rong)易受(shou)(shou)到氧(yang)化(hua)、腐蝕等(deng)影響(xiang)，從(cong)而導致鋼(gang)(gang)(gang)(gang)(gang)筋(jin)的(de)(de)強(qiang)度和韌(ren)性(xing)下(xia)降。工(gong)地(di)(di)鋼(gang)(gang)(gang)(gang)(gang)筋(jin)加工(gong)供應

鋼(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)調直(zhi)(zhi)和(he)切(qie)割：(1)鋼(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)應使用(yong)無(wu)延伸功能的(de)(de)機(ji)械設(she)備進(jin)行(xing)矯(jiao)直(zhi)(zhi)(根(gen)(gen)據機(ji)械設(she)備的(de)(de)使用(yong)說明書(shu)判斷(duan)(duan)是否(fou)有延伸功能)。用(yong)冷拉(la)法矯(jiao)直(zhi)(zhi)時，應檢驗機(ji)械性能和(he)單位(wei)長磨重的(de)(de)偏差。圓(yuan)鋼(gang)(gang)(gang)的(de)(de)伸長率小(xiao)于(yu)或(huo)等(deng)于(yu)4%，帶(dai)肋鋼(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)小(xiao)于(yu)或(huo)等(deng)于(yu)1%。(2)鋼(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)下料配料應根(gen)(gen)據鋼(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)配料單提(ti)供的(de)(de)鋼(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)等(deng)級、直(zhi)(zhi)徑(jing)、形狀和(he)下料長度(du)，并在工(gong)作(zuo)臺上標注清楚(chu)，以(yi)保證下料長度(du)的(de)(de)準確性。(3)用(yong)于(yu)機(ji)械連接和(he)定位(wei)的(de)(de)鋼(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)應切(qie)斷(duan)(duan)無(wu)齒(chi)，端(duan)部(bu)應平(ping)直(zhi)(zhi)，切(qie)口頂部(bu)無(wu)斜角、馬蹄形口或(huo)平(ping)頭。用(yong)于(yu)對焊和(he)電渣壓力焊的(de)(de)鋼(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)，應切(qie)斷(duan)(duan)鋼(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)末(mo)端(duan)的(de)(de)熱軋彎頭或(huo)劈頭。奉賢區d8鋼(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)加工(gong)供應商鋼(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)加工(gong)對于(yu)提(ti)高鋼(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)的(de)(de)可焊性非(fei)常重要(yao)。

豎向(xiang)鋼(gang)(gang)筋(jin)(jin)的(de)(de)接頭按(an)設(she)計及施(shi)工要求制定相應。豎向(xiang)鋼(gang)(gang)筋(jin)(jin)的(de)(de)彎鉤朝向(xiang)柱(zhu)(zhu)心，角(jiao)(jiao)(jiao)部(bu)鋼(gang)(gang)筋(jin)(jin)的(de)(de)彎鉤平(ping)面與模板面夾角(jiao)(jiao)(jiao)對矩(ju)形柱(zhu)(zhu)為(wei)45°，截(jie)面小的(de)(de)柱(zhu)(zhu)砼振(zhen)搗用(yong)插入振(zhen)動(dong)器時，彎鉤和模板所成(cheng)的(de)(de)角(jiao)(jiao)(jiao)度不小于15°。箍(gu)筋(jin)(jin)的(de)(de)接頭交錯(cuo)排列(lie)垂直(zhi)放置；箍(gu)筋(jin)(jin)轉角(jiao)(jiao)(jiao)與豎向(xiang)鋼(gang)(gang)筋(jin)(jin)交叉點均(jun)應扎牢（箍(gu)筋(jin)(jin)平(ping)直(zhi)部(bu)分與豎向(xiang)鋼(gang)(gang)筋(jin)(jin)交叉點可每隔一根互成(cheng)梅花(hua)式扎牢）；綁扎箍(gu)筋(jin)(jin)時，鉛絲扣(kou)要相互成(cheng)八(ba)字形綁扎。鋼(gang)(gang)筋(jin)(jin)工程包(bao)括埋件，必須開具隱蔽工程驗收，由(you)質監部(bu)門檢查合格后報(bao)請監理工程師(shi)驗收認(ren)可后方可進(jin)入一道工序(xu)。

對(dui)于(yu)鋼(gang)(gang)筋(jin)的(de)(de)切斷工作(zuo)(zuo)，采(cai)用(yong)(yong)(yong)鋼(gang)(gang)筋(jin)切斷機(ji)進行(xing)(xing)操(cao)作(zuo)(zuo)鋼(gang)(gang)筋(jin)切斷機(ji)能夠(gou)根據不同的(de)(de)長(chang)度(du)(du)長(chang)短搭配，進行(xing)(xing)統(tong)籌排料(liao)。一(yi)(yi)般(ban)性(xing)況(kuang)下(xia)是先(xian)對(dui)長(chang)料(liao)進行(xing)(xing)切斷，然后(hou)再對(dui)短料(liao)進行(xing)(xing)切斷，這樣能夠(gou)減少短頭，減輕一(yi)(yi)定的(de)(de)耗(hao)損(sun)。對(dui)于(yu)鋼(gang)(gang)筋(jin)的(de)(de)套(tao)絲(si)工作(zuo)(zuo) 采(cai)用(yong)(yong)(yong)鋸切套(tao)絲(si)打(da)磨生產線，套(tao)絲(si)部分采(cai)用(yong)(yong)(yong)7.5kw大功率電機(ji)，套(tao)絲(si)速度(du)(du)更快，最(zui)大套(tao)絲(si)直徑Φ45，套(tao)絲(si)整體(ti)傳(chuan)動，采(cai)用(yong)(yong)(yong)中間式分力(li)傳(chuan)動，傳(chuan)動過程中無延遲。套(tao)絲(si)輸送(song)輪采(cai)用(yong)(yong)(yong)采(cai)用(yong)(yong)(yong)精鑄V槽輪硬(ying)度(du)(du)高(gao)，耐磨性(xing)強。加(jia)工后(hou)的(de)(de)鋼(gang)(gang)筋(jin)應(ying)該按照規格(ge)、類別、使用(yong)(yong)(yong)部位進行(xing)(xing)捆綁放置于(yu)半成品區(qu)，在每(mei)一(yi)(yi)捆鋼(gang)(gang)筋(jin)上懸掛標志牌，標志牌中應(ying)標明制作(zuo)(zuo)日期、操(cao)作(zuo)(zuo)員(yuan)、鋼(gang)(gang)筋(jin)規格(ge)、鋼(gang)(gang)筋(jin)數(shu)量、使用(yong)(yong)(yong)部位等(deng)，便(bian)于(yu)鋼(gang)(gang)筋(jin)的(de)(de)配送(song)。鋼(gang)(gang)筋(jin)加(jia)工需要嚴格(ge)遵(zun)守安全操(cao)作(zuo)(zuo)規程。

對墻(qiang)柱豎(shu)向(xiang)鋼(gang)(gang)(gang)(gang)(gang)(gang)筋采用電渣壓力焊(han)(han)(han)(han)接(jie)頭(tou)的(de)(de)(de)施(shi)(shi)工(gong)(gong)技術(shu)措施(shi)(shi)：a.施(shi)(shi)工(gong)(gong)工(gong)(gong)藝(yi)流程(cheng)(cheng)：安(an)(an)裝焊(han)(han)(han)(han)接(jie)鋼(gang)(gang)(gang)(gang)(gang)(gang)筋→安(an)(an)放(fang)引孤鐵→纏繞絲(si)綿繩(sheng)(sheng)→造(zao)渣過程(cheng)(cheng)形成焊(han)(han)(han)(han)池→電渣過程(cheng)(cheng)鋼(gang)(gang)(gang)(gang)(gang)(gang)筋端(duan)面熔化→切斷電源預壓鋼(gang)(gang)(gang)(gang)(gang)(gang)筋完成焊(han)(han)(han)(han)接(jie)→卸出焊(han)(han)(han)(han)劑焊(han)(han)(han)(han)→拆除夾具(ju)b.施(shi)(shi)工(gong)(gong)技術(shu)措施(shi)(shi)：焊(han)(han)(han)(han)接(jie)鋼(gang)(gang)(gang)(gang)(gang)(gang)筋時，用焊(han)(han)(han)(han)接(jie)具(ju)分(fen)別鉗固上(shang)下的(de)(de)(de)待焊(han)(han)(han)(han)接(jie)的(de)(de)(de)鋼(gang)(gang)(gang)(gang)(gang)(gang)筋，上(shang)下鋼(gang)(gang)(gang)(gang)(gang)(gang)筋安(an)(an)裝時，中心線要一致。安(an)(an)放(fang)引弧鐵絲(si)球(qiu)：抬(tai)起上(shang)鋼(gang)(gang)(gang)(gang)(gang)(gang)筋，將預先準備好(hao)的(de)(de)(de)鐵絲(si)球(qiu)安(an)(an)放(fang)在(zai)上(shang)、下鋼(gang)(gang)(gang)(gang)(gang)(gang)筋焊(han)(han)(han)(han)接(jie)的(de)(de)(de)中間位(wei)置，放(fang)下鋼(gang)(gang)(gang)(gang)(gang)(gang)筋，輕壓鐵絲(si)球(qiu)，使之接(jie)觸良(liang)好(hao)。裝焊(han)(han)(han)(han)劑盒(he)(he)：先在(zai)安(an)(an)裝焊(han)(han)(han)(han)劑盒(he)(he)底部的(de)(de)(de)位(wei)置纏上(shang)石棉(mian)然后再裝上(shang)焊(han)(han)(han)(han)劑盒(he)(he)，并再往焊(han)(han)(han)(han)盒(he)(he)滿裝焊(han)(han)(han)(han)劑。安(an)(an)裝焊(han)(han)(han)(han)劑盒(he)(he)時，焊(han)(han)(han)(han)接(jie)口宜位(wei)于焊(han)(han)(han)(han)劑盒(he)(he)的(de)(de)(de)中部，石棉(mian)繩(sheng)(sheng)纏繞嚴密，防止焊(han)(han)(han)(han)劑泄漏。鋼(gang)(gang)(gang)(gang)(gang)(gang)筋加工(gong)(gong)需要對加工(gong)(gong)過程(cheng)(cheng)進行嚴格的(de)(de)(de)質(zhi)量控制和檢測。工(gong)(gong)地(di)鋼(gang)(gang)(gang)(gang)(gang)(gang)筋加工(gong)(gong)供(gong)應

鋼筋加(jia)工(gong)(gong)需要(yao)根(gen)據建筑設(she)計圖紙(zhi)進(jin)行精確的加(jia)工(gong)(gong)。工(gong)(gong)地(di)鋼筋加(jia)工(gong)(gong)供應

接通(tong)(tong)電(dian)(dian)(dian)(dian)(dian)源(yuan)，引弧造焊(han)(han)，按下開(kai)關(guan)，接通(tong)(tong)電(dian)(dian)(dian)(dian)(dian)源(yuan)，在接通(tong)(tong)電(dian)(dian)(dian)(dian)(dian)源(yuan)的(de)(de)(de)(de)同(tong)時(shi)(shi)(shi)將上(shang)(shang)鋼(gang)筋(jin)微微向上(shang)(shang)提，引燃電(dian)(dian)(dian)(dian)(dian)弧，同(tong)時(shi)(shi)(shi)進(jin)(jin)(jin)行“造渣(zha)(zha)(zha)延(yan)時(shi)(shi)(shi)讀(du)數”計(ji)算(suan)造渣(zha)(zha)(zha)通(tong)(tong)電(dian)(dian)(dian)(dian)(dian)時(shi)(shi)(shi)間。“電(dian)(dian)(dian)(dian)(dian)渣(zha)(zha)(zha)過(guo)(guo)程(cheng)(cheng)”：隨著造渣(zha)(zha)(zha)過(guo)(guo)程(cheng)(cheng)結束(shu)，實時(shi)(shi)(shi)轉入“電(dian)(dian)(dian)(dian)(dian)渣(zha)(zha)(zha)過(guo)(guo)程(cheng)(cheng)”的(de)(de)(de)(de)同(tong)時(shi)(shi)(shi)進(jin)(jin)(jin)行“電(dian)(dian)(dian)(dian)(dian)渣(zha)(zha)(zha)延(yan)時(shi)(shi)(shi)讀(du)數”，計(ji)算(suan)電(dian)(dian)(dian)(dian)(dian)渣(zha)(zha)(zha)通(tong)(tong)電(dian)(dian)(dian)(dian)(dian)時(shi)(shi)(shi)間，并降低上(shang)(shang)部鋼(gang)筋(jin)，把上(shang)(shang)鋼(gang)筋(jin)的(de)(de)(de)(de)端部插入渣(zha)(zha)(zha)池，徐徐下送上(shang)(shang)部鋼(gang)筋(jin)，直至“電(dian)(dian)(dian)(dian)(dian)渣(zha)(zha)(zha)過(guo)(guo)程(cheng)(cheng)”結束(shu)。“電(dian)(dian)(dian)(dian)(dian)渣(zha)(zha)(zha)過(guo)(guo)程(cheng)(cheng)”：工作電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)控(kong)制在20-25V之(zhi)間，電(dian)(dian)(dian)(dian)(dian)渣(zha)(zha)(zha)通(tong)(tong)電(dian)(dian)(dian)(dian)(dian)時(shi)(shi)(shi)間約占單個(ge)焊(han)(han)接過(guo)(guo)程(cheng)(cheng)所需時(shi)(shi)(shi)間的(de)(de)(de)(de)1/4。頂壓(ya)(ya)鋼(gang)筋(jin)，完成焊(han)(han)接“電(dian)(dian)(dian)(dian)(dian)渣(zha)(zha)(zha)過(guo)(guo)程(cheng)(cheng)”延(yan)時(shi)(shi)(shi)完成；電(dian)(dian)(dian)(dian)(dian)渣(zha)(zha)(zha)過(guo)(guo)程(cheng)(cheng)結束(shu)，即(ji)切斷電(dian)(dian)(dian)(dian)(dian)源(yuan)，同(tong)時(shi)(shi)(shi)迅速頂壓(ya)(ya)鋼(gang)筋(jin)，形成焊(han)(han)接接頭(tou)。然后卸(xie)出焊(han)(han)劑，拆除(chu)焊(han)(han)劑盒(he)、石棉及夾(jia)具(ju)。鋼(gang)筋(jin)焊(han)(han)接完成后，及時(shi)(shi)(shi)進(jin)(jin)(jin)行焊(han)(han)接接頭(tou)外(wai)觀(guan)檢查，外(wai)觀(guan)檢查不合格的(de)(de)(de)(de)接頭(tou)，切除(chu)重焊(han)(han)。工地(di)鋼(gang)筋(jin)加工供應

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