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作業預備
技能(neng)預備(bei)施工(gong)圖已到位，經(jing)過(guo)審核已弄清有關技能(neng)問題(ti)，技能(neng)人員(yuan)(yuan)已仔細了解施工(gong)圖紙、標(biao)準(zhun)及(ji)技能(neng)標(biao)準(zhun)。人員(yuan)(yuan)經(jing)訓練合格后出場(chang)，特種工(gong)持證上(shang)崗(gang)。安全防(fang)護用(yong)品：穿絕(jue)緣鞋、戴絕(jue)緣手套和防(fang)護面罩或深色防(fang)護眼罩等已發放給操作人員(yuan)(yuan)，操作人員(yuan)(yuan)熟(shu)知運用(yong)辦法。
資料預備
鋼筋已(yi)抵(di)達現場，其種類、等級和標準契合規(gui)劃要(yao)求(qiu)，并(bing)附有(you)產品(pin)合格(ge)證、附件清單和有(you)關原(yuan)料陳述單或查(cha)(cha)看(kan)陳述，現場質檢員已(yi)按(an)要(yao)求(qiu)進(jin)行外觀查(cha)(cha)看(kan)，并(bing)按(an)規(gui)則(ze)進(jin)行復試(shi)合格(ge)。查(cha)(cha)看(kan)每批鋼筋的外觀質量。鋼筋外表不得(de)有(you)裂(lie)紋、結疤和折疊；外表的凸塊和其它缺點度的深度和高度不得(de)大(da)于地點部位尺(chi)度的答(da)應差錯。
技能要求
所(suo)運用的機械(xie)及設備具有(you)合格的出場證明及運用期(qi)限。 在大(da)面(mian)積進行鋼筋籠加工(gong)及裝置前(qian)進行施工(gong)工(gong)藝(yi)實驗，斷定工(gong)藝(yi)參數。
施工工序
首要施工工序為(wei)：原資料報(bao)驗→施工預備→鋼筋(jin)籠(long)加工→鋼筋(jin)籠(long)制品報(bao)驗→鋼筋(jin)籠(long)吊放→校(xiao)對→復(fu)測樁頂標高→固定鋼筋(jin)籠(long)。
施工工藝
鋼筋(jin)在加工(gong)(gong)前應清(qing)除(chu)(chu)(chu)油污和(he)錘打能剝落的(de)浮皮、鐵銹(xiu)。大量除(chu)(chu)(chu)銹(xiu)，可(ke)通(tong)過(guo)鋼筋(jin)冷拉(la)或鋼筋(jin)調直(zhi)(zhi)機調直(zhi)(zhi)過(guo)程(cheng)中完結；少數的(de)鋼筋(jin)除(chu)(chu)(chu)銹(xiu)，可(ke)選用(yong)電動除(chu)(chu)(chu)銹(xiu)機或噴(pen)砂辦(ban)法除(chu)(chu)(chu)銹(xiu)，鋼筋(jin)部分除(chu)(chu)(chu)銹(xiu)可(ke)采納人工(gong)(gong)用(yong)鋼絲刷或砂輪等(deng)辦(ban)法進行。如除(chu)(chu)(chu)銹(xiu)后鋼筋(jin)外表有(you)嚴峻的(de)麻坑、斑駁(bo)等(deng)，已傷蝕(shi)截面時(shi)，應降級(ji)運用(yong)或除(chu)(chu)(chu)掉(diao)不必，帶有(you)蜂窩狀銹(xiu)跡(ji)鋼筋(jin)，不得運用(yong)。
鋼筋下料
下(xia)料(liao)(liao)前(qian)(qian)仔細核對鋼(gang)筋(jin)標(biao)準(zhun)(zhun)、等級及加工(gong)(gong)數量，無誤后按配(pei)料(liao)(liao)單下(xia)料(liao)(liao)。 鋼(gang)筋(jin)曲折成(cheng)型前(qian)(qian)，應(ying)依據(ju)配(pei)料(liao)(liao)表要求長(chang)度(du)分(fen)別堵(du)(du)(du)截(jie)(jie)，一(yi)(yi)般(ban)宜(yi)用(yong)鋼(gang)筋(jin)堵(du)(du)(du)截(jie)(jie)機進行。在鋼(gang)筋(jin)堵(du)(du)(du)截(jie)(jie)前(qian)(qian)，先在鋼(gang)筋(jin)上用(yong)粉筆按配(pei)料(liao)(liao)單標(biao)示下(xia)料(liao)(liao)長(chang)度(du)將堵(du)(du)(du)截(jie)(jie)位置做明顯符號，堵(du)(du)(du)截(jie)(jie)時，堵(du)(du)(du)截(jie)(jie)符號對準(zhun)(zhun)刀刃(ren)將鋼(gang)筋(jin)放(fang)入切(qie)開槽將其堵(du)(du)(du)截(jie)(jie)。 應(ying)將同標(biao)準(zhun)(zhun)鋼(gang)筋(jin)依據(ju)不(bu)同長(chang)短(duan)調(diao)配(pei)、統籌排(pai)料(liao)(liao)；一(yi)(yi)般(ban)先斷長(chang)料(liao)(liao)，后斷短(duan)料(liao)(liao)，以(yi)減少短(duan)頭和損耗。避免用(yong)短(duan)尺(chi)量長(chang)料(liao)(liao)，避免產生累計差(cha)錯，應(ying)在工(gong)(gong)作臺上標(biao)出尺(chi)度(du)、刻(ke)度(du)，并設置操控斷料(liao)(liao)尺(chi)度(du)用(yong)的擋板。堵(du)(du)(du)截(jie)(jie)過(guo)程中如發(fa)現(xian)劈裂、縮頭或(huo)嚴峻(jun)的彎頭號，有(you)必要切(qie)除。堵(du)(du)(du)截(jie)(jie)后鋼(gang)筋(jin)斷口(kou)不(bu)得(de)有(you)馬蹄形或(huo)起彎等現(xian)象。
鋼筋的銜接
施工時(shi)，操作人員(yuan)嚴格履行(xing)工藝參數(shu)，施工員(yuan)、質(zhi)量(liang)員(yuan)對焊機參數(shu)、接頭(tou)質(zhi)量(liang)隨機抽樣(yang)，保(bao)證焊接過程監控到(dao)位。 鋼(gang)筋(jin)電弧焊所用焊條商標應契(qi)合規劃要求(qiu)，其功能(neng)應契(qi)合現(xian)行(xing)國家標準《碳(tan)鋼(gang)焊條》(GB/T5117-1995)或《低(di)合金(jin)鋼(gang)焊條》(GB/T5118-1995)的規則。
鋼筋籠加工成型
鋼(gang)(gang)筋籠(long)(long)在(zai)加工場所制(zhi)造，依據有用(yong)樁(zhuang)(zhuang)長及規劃圖紙(zhi)斷定(ding)每(mei)個籠(long)(long)長，加工有必(bi)要依照(zhao)鋼(gang)(gang)筋配(pei)料單或技能(neng)交底(di)書進行，制(zhi)止隨意、私自更改制(zhi)造辦法(fa)。本(ben)工程的(de)樁(zhuang)(zhuang)徑(jing)(jing)A900mm，鋼(gang)(gang)筋籠(long)(long)直(zhi)徑(jing)(jing)A800mm，樁(zhuang)(zhuang)長約8米，籠(long)(long)長約8.5m左右。C14主(zhu)筋鋼(gang)(gang)筋12根，C12加強筋設在(zai)主(zhu)筋內側，間隔為(wei)2m，第一道(dao)在(zai)樁(zhuang)(zhuang)頂(ding)處，最下一道(dao)坐落樁(zhuang)(zhuang)基底(di)以上10cm處，螺旋箍筋選用(yong)A8盤(pan)圓(yuan)筋，A8@100加密區4.5m，其(qi)他A8@200，定(ding)位鋼(gang)(gang)片做(zuo)法(fa)見10SG813第12頁。5.4鋼(gang)(gang)筋籠(long)(long)成型(xing)報(bao)驗(yan)成型(xing)后(hou)(hou)的(de)鋼(gang)(gang)筋籠(long)(long)自檢合格后(hou)(hou)報(bao)監理查驗(yan)，查驗(yan)合格后(hou)(hou)掛牌置于場所處寄存。
鋼筋籠運送與吊放
鋼(gang)筋(jin)籠(long)(long)(long)在(zai)搬運和吊裝時，需做好保護辦法避(bi)免(mian)鋼(gang)筋(jin)籠(long)(long)(long)變(bian)形。運送選用平板車運送至工點(dian)，用吊機將鋼(gang)筋(jin)籠(long)(long)(long)吊入(ru)孔(kong)中。吊車作(zuo)業派專人指(zhi)揮，吊點(dian)設兩個，在(zai)吊裝過(guo)(guo)程(cheng)中要(yao)輕吊輕放(fang)(fang)。待鋼(gang)筋(jin)籠(long)(long)(long)徹底(di)吊起后(hou)(hou)緩慢移向所對應的樁(zhuang)孔(kong)。鋼(gang)筋(jin)籠(long)(long)(long)吊裝入(ru)孔(kong)要(yao)將鋼(gang)筋(jin)骨架中心與樁(zhuang)孔(kong)對中后(hou)(hou)刺進(jin)孔(kong)內(nei)，下放(fang)(fang)過(guo)(guo)程(cheng)中要(yao)堅持鋼(gang)筋(jin)籠(long)(long)(long)垂(chui)直，禁絕碰觸樁(zhuang)孔(kong)內(nei)壁。鋼(gang)筋(jin)籠(long)(long)(long)安放(fang)(fang)到位后(hou)(hou)，其頂(ding)面標高差錯均不得大于5cm，就位后(hou)(hou)要(yao)結實定位，避(bi)免(mian)在(zai)灌(guan)注混凝土(tu)過(guo)(guo)程(cheng)中發作(zuo)偏籠(long)(long)(long)或(huo)浮籠(long)(long)(long)現象。
質量操控及查驗
質量操控
鋼(gang)(gang)筋原(yuan)資料(liao)質量：鋼(gang)(gang)筋出場(chang)后(hou)有必要(yao)依(yi)照規(gui)則的(de)頻次(ci)(ci)查驗合格(ge)(ge)后(hou)方可運(yun)(yun)用，不合格(ge)(ge)資料(liao)制止運(yun)(yun)用。 鋼(gang)(gang)筋接(jie)(jie)(jie)頭質量：鋼(gang)(gang)筋焊(han)接(jie)(jie)(jie)質量頻次(ci)(ci)查驗合格(ge)(ge)，鋼(gang)(gang)筋焊(han)接(jie)(jie)(jie)接(jie)(jie)(jie)頭契合標(biao)準及規(gui)劃(hua)的(de)規(gui)則。 鋼(gang)(gang)筋籠主(zhu)筋間隔(ge)：嚴格(ge)(ge)操控(kong)主(zhu)筋間隔(ge)，間隔(ge)差錯(cuo)操控(kong)在(zai)±0.5d以內。 鋼(gang)(gang)筋籠保(bao)護(hu)層(ceng)厚度：依(yi)照施工圖的(de)要(yao)求均勻(yun)安置(zhi)定位鋼(gang)(gang)筋，保(bao)證樁體保(bao)護(hu)層(ceng)契合規(gui)劃(hua)要(yao)求。 鋼(gang)(gang)筋寄存現(xian)場(chang)時，要(yao)用等高度方木墊(dian)高，保(bao)證鋼(gang)(gang)筋順直不變(bian)形。遇有塵埃(ai)污染或雨水時有必要(yao)覆蓋。 鋼(gang)(gang)筋籠吊裝(zhuang)及運(yun)(yun)送(song)過程中要(yao)輕拿輕放，避(bi)免(mian)鋼(gang)(gang)筋籠變(bian)形。
質量查驗
原(yuan)資料鋼(gang)(gang)筋(jin)(jin)(jin)應(ying)(ying)(ying)平直(zhi)、無損傷(shang)，外表無裂紋、油污、顆粒狀或片(pian)狀老銹。查(cha)(cha)驗(yan)(yan)數量(liang)(liang)：施(shi)工(gong)(gong)(gong)單(dan)位(wei)悉數查(cha)(cha)看(kan)。查(cha)(cha)驗(yan)(yan)辦法(fa)：調查(cha)(cha)。 鋼(gang)(gang)筋(jin)(jin)(jin)加(jia)工(gong)(gong)(gong)鋼(gang)(gang)筋(jin)(jin)(jin)加(jia)工(gong)(gong)(gong)答應(ying)(ying)(ying)差錯(cuo)和(he)查(cha)(cha)驗(yan)(yan)辦法(fa)應(ying)(ying)(ying)契合(he)下表的(de)規則(ze)(ze)。查(cha)(cha)驗(yan)(yan)數量(liang)(liang)：施(shi)工(gong)(gong)(gong)單(dan)位(wei)按鋼(gang)(gang)筋(jin)(jin)(jin)編號各抽(chou)(chou)檢10%，且各不(bu)(bu)少(shao)于3件。 鋼(gang)(gang)筋(jin)(jin)(jin)銜(xian)接(jie)(jie)鋼(gang)(gang)筋(jin)(jin)(jin)接(jie)(jie)頭(tou)應(ying)(ying)(ying)設置在(zai)(zai)接(jie)(jie)受(shou)應(ying)(ying)(ying)力較小處(chu)，并應(ying)(ying)(ying)分散安(an)置。裝備在(zai)(zai)“同(tong)一(yi)(yi)截(jie)面(mian)(mian)”內受(shou)力鋼(gang)(gang)筋(jin)(jin)(jin)接(jie)(jie)頭(tou)的(de)截(jie)面(mian)(mian)面(mian)(mian)積(ji)，占受(shou)力鋼(gang)(gang)筋(jin)(jin)(jin)總截(jie)面(mian)(mian)面(mian)(mian)積(ji)的(de)百分率，應(ying)(ying)(ying)契合(he)規劃要求。當規劃未提出要求時，應(ying)(ying)(ying)契合(he)下列規則(ze)(ze)：①焊（連）接(jie)(jie)接(jie)(jie)頭(tou)在(zai)(zai)受(shou)彎構(gou)(gou)件的(de)受(shou)拉區(qu)(qu)不(bu)(bu)得(de)(de)(de)大(da)(da)(da)于50%，軸心(xin)受(shou)拉構(gou)(gou)件不(bu)(bu)得(de)(de)(de)大(da)(da)(da)于25%；②綁扎接(jie)(jie)頭(tou)在(zai)(zai)構(gou)(gou)件的(de)受(shou)拉區(qu)(qu)不(bu)(bu)得(de)(de)(de)大(da)(da)(da)于25%，在(zai)(zai)受(shou)壓區(qu)(qu)不(bu)(bu)得(de)(de)(de)大(da)(da)(da)于50%；③鋼(gang)(gang)筋(jin)(jin)(jin)接(jie)(jie)頭(tou)應(ying)(ying)(ying)避(bi)開鋼(gang)(gang)筋(jin)(jin)(jin)曲(qu)折處(chu)，距(ju)曲(qu)折點的(de)間隔(ge)(ge)不(bu)(bu)得(de)(de)(de)小于鋼(gang)(gang)筋(jin)(jin)(jin)直(zhi)徑的(de)10倍；④同(tong)一(yi)(yi)根鋼(gang)(gang)筋(jin)(jin)(jin)上(shang)應(ying)(ying)(ying)少(shao)設接(jie)(jie)頭(tou)。“同(tong)一(yi)(yi)截(jie)面(mian)(mian)”內，同(tong)一(yi)(yi)根鋼(gang)(gang)筋(jin)(jin)(jin)上(shang)不(bu)(bu)得(de)(de)(de)超過一(yi)(yi)個接(jie)(jie)頭(tou)。查(cha)(cha)驗(yan)(yan)數量(liang)(liang)：施(shi)工(gong)(gong)(gong)單(dan)位(wei)悉數查(cha)(cha)看(kan)。查(cha)(cha)驗(yan)(yan)辦法(fa)：調查(cha)(cha)和(he)尺(chi)量(liang)(liang)。混凝(ning)土灌注樁鋼(gang)(gang)筋(jin)(jin)(jin)籠質量(liang)(liang)查(cha)(cha)驗(yan)(yan)標準項(xiang)序查(cha)(cha)看(kan)項(xiang)目答應(ying)(ying)(ying)差錯(cuo)或答應(ying)(ying)(ying)值(zhi)（mm）查(cha)(cha)看(kan)辦法(fa)主(zhu)控(kong)項(xiang)目1主(zhu)筋(jin)(jin)(jin)間隔(ge)(ge)±10用(yong)(yong)鋼(gang)(gang)尺(chi)量(liang)(liang)2長度±100用(yong)(yong)鋼(gang)(gang)尺(chi)量(liang)(liang)一(yi)(yi)般項(xiang)目1鋼(gang)(gang)筋(jin)(jin)(jin)原(yuan)料查(cha)(cha)驗(yan)(yan)規劃要求抽(chou)(chou)樣送(song)檢2箍筋(jin)(jin)(jin)間隔(ge)(ge)±20用(yong)(yong)鋼(gang)(gang)尺(chi)量(liang)(liang)3直(zhi)徑±10用(yong)(yong)鋼(gang)(gang)尺(chi)量(liang)(liang)
施工安全保證辦法
①鋼(gang)(gang)(gang)筋(jin)加(jia)(jia)工(gong)(gong)(gong)機械裝置(zhi)和運(yun)用(yong)(yong)有(you)(you)必要(yao)履(lv)行(xing)機械安(an)全(quan)操作(zuo)規程(cheng)。②焊接作(zuo)業人(ren)(ren)員有(you)(you)必要(yao)持證上(shang)(shang)崗，焊接時應佩帶絕緣手套、絕緣鞋、防(fang)(fang)(fang)護(hu)眼(yan)睛等勞動(dong)保護(hu)用(yong)(yong)品。③施(shi)工(gong)(gong)(gong)所用(yong)(yong)氣(qi)瓶（氧氣(qi)、乙炔(gui)）的(de)寄(ji)存有(you)(you)必要(yao)契合安(an)全(quan)規則(ze)。氧氣(qi)瓶與乙炔(gui)瓶的(de)安(an)全(quan)間隔(ge)不(bu)(bu)小于5米(mi)，與明(ming)火(huo)(huo)(huo)的(de)安(an)全(quan)間隔(ge)為10米(mi)以上(shang)(shang)。④鋼(gang)(gang)(gang)筋(jin)籠(long)焊接時，主筋(jin)內緣應光滑，鋼(gang)(gang)(gang)筋(jin)接頭不(bu)(bu)得(de)侵入主筋(jin)內凈空，鋼(gang)(gang)(gang)筋(jin)籠(long)下(xia)端(duan)規整，加(jia)(jia)強(qiang)箍(gu)筋(jin)悉數封住不(bu)(bu)漏頭，以使混凝(ning)土導管順暢升降，避免(mian)(mian)鋼(gang)(gang)(gang)筋(jin)籠(long)卡住發作(zuo)事端(duan)。⑤鋼(gang)(gang)(gang)筋(jin)籠(long)加(jia)(jia)工(gong)(gong)(gong)過(guo)(guo)程(cheng)中，不(bu)(bu)得(de)隨意呈現(xian)投擲鋼(gang)(gang)(gang)筋(jin)現(xian)象，制(zhi)造完結的(de)節段鋼(gang)(gang)(gang)筋(jin)籠(long)翻滾前應查看(kan)翻滾方向是否有(you)(you)人(ren)(ren)，避免(mian)(mian)人(ren)(ren)員砸傷。⑥鋼(gang)(gang)(gang)筋(jin)籠(long)吊裝過(guo)(guo)程(cheng)中，有(you)(you)必要(yao)有(you)(you)專(zhuan)人(ren)(ren)進行(xing)統一指揮(hui)，起重臂下(xia)不(bu)(bu)得(de)有(you)(you)人(ren)(ren)逗留或行(xing)走。不(bu)(bu)得(de)對鋼(gang)(gang)(gang)筋(jin)籠(long)進行(xing)斜拉(la)、斜吊。⑦擬定消(xiao)(xiao)(xiao)防(fang)(fang)(fang)安(an)全(quan)準(zhun)則(ze)、消(xiao)(xiao)(xiao)防(fang)(fang)(fang)安(an)全(quan)操作(zuo)規程(cheng)；實(shi)行(xing)防(fang)(fang)(fang)火(huo)(huo)(huo)安(an)全(quan)責(ze)任(ren)(ren)制(zhi)，斷定崗位消(xiao)(xiao)(xiao)防(fang)(fang)(fang)安(an)全(quan)責(ze)任(ren)(ren)人(ren)(ren)；對員工(gong)(gong)(gong)進行(xing)消(xiao)(xiao)(xiao)防(fang)(fang)(fang)宣傳教育；安(an)排防(fang)(fang)(fang)火(huo)(huo)(huo)查看(kan)，及時消(xiao)(xiao)(xiao)除(chu)火(huo)(huo)(huo)災危險；依照國家有(you)(you)關規則(ze)裝備消(xiao)(xiao)(xiao)防(fang)(fang)(fang)設(she)(she)施(shi)和器件、設(she)(she)置(zhi)消(xiao)(xiao)(xiao)防(fang)(fang)(fang)安(an)全(quan)標志，并定時安(an)排查驗(yan)、修理(li)，保證消(xiao)(xiao)(xiao)防(fang)(fang)(fang)設(she)(she)施(shi)和器件無缺、有(you)(you)用(yong)(yong)。
保定(ding)宇乾巖土工(gong)(gong)(gong)(gong)程(cheng)有限公司承攬全國范(fan)圍（如：河北(bei)、河南、湖南、湖北(bei)等地(di)）基(ji)(ji)(ji)(ji)坑(keng)(keng)邊坡支護設計(ji)與(yu)施工(gong)(gong)(gong)(gong)、基(ji)(ji)(ji)(ji)坑(keng)(keng)降(jiang)水設計(ji)與(yu)施工(gong)(gong)(gong)(gong)、復合地(di)基(ji)(ji)(ji)(ji)設計(ji)與(yu)施工(gong)(gong)(gong)(gong)，壓灌(guan)砼CFG樁、鉆孔灌(guan)注樁、人工(gong)(gong)(gong)(gong)挖(wa)孔擴(kuo)底(di)樁、強夯(hang)等各(ge)種地(di)基(ji)(ji)(ji)(ji)處理(li)工(gong)(gong)(gong)(gong)程(cheng)。主營：地(di)基(ji)(ji)(ji)(ji)處理(li)公司；地(di)基(ji)(ji)(ji)(ji)基(ji)(ji)(ji)(ji)礎工(gong)(gong)(gong)(gong)程(cheng)；地(di)基(ji)(ji)(ji)(ji)基(ji)(ji)(ji)(ji)礎施工(gong)(gong)(gong)(gong)；打樁工(gong)(gong)(gong)(gong)程(cheng)；土石(shi)方工(gong)(gong)(gong)(gong)程(cheng)施工(gong)(gong)(gong)(gong)；房(fang)屋(wu)拆(chai)除；巖土工(gong)(gong)(gong)(gong)程(cheng)勘察設計(ji)；建設工(gong)(gong)(gong)(gong)程(cheng)質(zhi)量檢測(ce)；土工(gong)(gong)(gong)(gong)試驗；工(gong)(gong)(gong)(gong)程(cheng)監理(li)及建筑
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