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作業預備
技(ji)(ji)能(neng)預備(bei)施(shi)工圖已(yi)(yi)(yi)到位，經過審核(he)已(yi)(yi)(yi)弄(nong)清有關技(ji)(ji)能(neng)問題，技(ji)(ji)能(neng)人(ren)(ren)員(yuan)(yuan)(yuan)已(yi)(yi)(yi)仔細了解施(shi)工圖紙、標準(zhun)及技(ji)(ji)能(neng)標準(zhun)。人(ren)(ren)員(yuan)(yuan)(yuan)經訓練合(he)格后出(chu)場(chang)，特種工持證上(shang)崗(gang)。安全防(fang)護(hu)用品：穿絕緣鞋、戴絕緣手套和(he)防(fang)護(hu)面罩或(huo)深(shen)色(se)防(fang)護(hu)眼(yan)罩等已(yi)(yi)(yi)發放給(gei)操作(zuo)人(ren)(ren)員(yuan)(yuan)(yuan)，操作(zuo)人(ren)(ren)員(yuan)(yuan)(yuan)熟知(zhi)運用辦法。
資料預備
鋼(gang)筋已抵(di)達現(xian)場(chang)，其種(zhong)類、等(deng)級和(he)標準(zhun)契合規劃要求，并附有(you)產(chan)品合格證、附件(jian)清(qing)單(dan)(dan)和(he)有(you)關原(yuan)料陳(chen)述單(dan)(dan)或查(cha)(cha)看陳(chen)述，現(xian)場(chang)質(zhi)檢員已按(an)要求進行外觀查(cha)(cha)看，并按(an)規則(ze)進行復試合格。查(cha)(cha)看每(mei)批鋼(gang)筋的外觀質(zhi)量。鋼(gang)筋外表(biao)不(bu)得有(you)裂紋、結疤和(he)折疊；外表(biao)的凸塊和(he)其它(ta)缺(que)點(dian)度(du)的深度(du)和(he)高度(du)不(bu)得大(da)于(yu)地點(dian)部(bu)位尺度(du)的答應差錯。
技能要求
所運用(yong)的機械及設備具有合格(ge)的出場證(zheng)明及運用(yong)期限。 在大面積進行(xing)(xing)鋼筋(jin)籠加工及裝置前進行(xing)(xing)施工工藝(yi)(yi)實驗，斷定工藝(yi)(yi)參數。
施工工序
首要施工工序為：原資(zi)料(liao)報(bao)(bao)驗→施工預備(bei)→鋼筋籠加(jia)工→鋼筋籠制品報(bao)(bao)驗→鋼筋籠吊放→校對→復測樁頂標(biao)高(gao)→固定鋼筋籠。
施工工藝
鋼(gang)筋(jin)在加工前應清除(chu)油污(wu)和錘(chui)打能剝落的浮皮、鐵銹(xiu)(xiu)。大量(liang)除(chu)銹(xiu)(xiu)，可(ke)通過鋼(gang)筋(jin)冷(leng)拉或鋼(gang)筋(jin)調直機(ji)調直過程中完結；少(shao)數(shu)的鋼(gang)筋(jin)除(chu)銹(xiu)(xiu)，可(ke)選用電動(dong)除(chu)銹(xiu)(xiu)機(ji)或噴(pen)砂(sha)辦(ban)法除(chu)銹(xiu)(xiu)，鋼(gang)筋(jin)部分(fen)除(chu)銹(xiu)(xiu)可(ke)采(cai)納人工用鋼(gang)絲刷或砂(sha)輪(lun)等辦(ban)法進(jin)行。如除(chu)銹(xiu)(xiu)后鋼(gang)筋(jin)外表有(you)嚴(yan)峻(jun)的麻坑、斑(ban)駁等，已傷蝕截面(mian)時，應降級運(yun)(yun)用或除(chu)掉不必，帶有(you)蜂(feng)窩狀銹(xiu)(xiu)跡鋼(gang)筋(jin)，不得運(yun)(yun)用。
鋼筋下料
下(xia)(xia)料(liao)前(qian)仔細(xi)核對鋼(gang)筋(jin)標(biao)準、等(deng)(deng)級及(ji)加工數量，無誤后(hou)按(an)配(pei)料(liao)單下(xia)(xia)料(liao)。 鋼(gang)筋(jin)曲折成型(xing)前(qian)，應(ying)(ying)依據(ju)配(pei)料(liao)表要求(qiu)長度(du)分別(bie)堵(du)(du)(du)截，一般(ban)宜用(yong)(yong)鋼(gang)筋(jin)堵(du)(du)(du)截機進行。在(zai)(zai)鋼(gang)筋(jin)堵(du)(du)(du)截前(qian)，先(xian)在(zai)(zai)鋼(gang)筋(jin)上(shang)用(yong)(yong)粉(fen)筆按(an)配(pei)料(liao)單標(biao)示下(xia)(xia)料(liao)長度(du)將(jiang)(jiang)(jiang)堵(du)(du)(du)截位置做明顯符號，堵(du)(du)(du)截時，堵(du)(du)(du)截符號對準刀刃(ren)將(jiang)(jiang)(jiang)鋼(gang)筋(jin)放入切開槽將(jiang)(jiang)(jiang)其堵(du)(du)(du)截。 應(ying)(ying)將(jiang)(jiang)(jiang)同(tong)標(biao)準鋼(gang)筋(jin)依據(ju)不同(tong)長短(duan)調配(pei)、統籌排料(liao)；一般(ban)先(xian)斷(duan)長料(liao)，后(hou)斷(duan)短(duan)料(liao)，以減(jian)少(shao)短(duan)頭和損耗(hao)。避(bi)免(mian)用(yong)(yong)短(duan)尺量長料(liao)，避(bi)免(mian)產生累計差錯，應(ying)(ying)在(zai)(zai)工作(zuo)臺上(shang)標(biao)出尺度(du)、刻度(du)，并設置操控(kong)斷(duan)料(liao)尺度(du)用(yong)(yong)的擋(dang)板(ban)。堵(du)(du)(du)截過(guo)程中如發現劈裂、縮頭或(huo)嚴(yan)峻的彎頭號，有必要切除。堵(du)(du)(du)截后(hou)鋼(gang)筋(jin)斷(duan)口不得(de)有馬蹄形或(huo)起彎等(deng)(deng)現象。
鋼筋的銜接
施工(gong)時，操(cao)作人員嚴格履行(xing)工(gong)藝參(can)數(shu)，施工(gong)員、質量員對(dui)焊(han)(han)(han)機參(can)數(shu)、接(jie)頭(tou)質量隨機抽樣(yang)，保(bao)證(zheng)焊(han)(han)(han)接(jie)過程監(jian)控到位。 鋼筋(jin)電弧焊(han)(han)(han)所用焊(han)(han)(han)條(tiao)商標應契合規(gui)劃要求，其(qi)功能應契合現行(xing)國家標準(zhun)《碳鋼焊(han)(han)(han)條(tiao)》(GB/T5117-1995)或《低(di)合金鋼焊(han)(han)(han)條(tiao)》(GB/T5118-1995)的規(gui)則。
鋼筋籠加工成型
鋼筋(jin)(jin)(jin)(jin)籠(long)(long)在(zai)加(jia)(jia)工場所制造，依據有用樁(zhuang)(zhuang)(zhuang)長及規劃(hua)圖紙斷定(ding)每個籠(long)(long)長，加(jia)(jia)工有必(bi)要依照(zhao)鋼筋(jin)(jin)(jin)(jin)配料單或技能交底(di)書進行，制止隨意、私(si)自更改制造辦法。本工程(cheng)的(de)樁(zhuang)(zhuang)(zhuang)徑(jing)A900mm，鋼筋(jin)(jin)(jin)(jin)籠(long)(long)直徑(jing)A800mm，樁(zhuang)(zhuang)(zhuang)長約8米，籠(long)(long)長約8.5m左右。C14主(zhu)筋(jin)(jin)(jin)(jin)鋼筋(jin)(jin)(jin)(jin)12根，C12加(jia)(jia)強筋(jin)(jin)(jin)(jin)設(she)在(zai)主(zhu)筋(jin)(jin)(jin)(jin)內側，間隔為2m，第一(yi)道在(zai)樁(zhuang)(zhuang)(zhuang)頂處，最下(xia)一(yi)道坐落樁(zhuang)(zhuang)(zhuang)基底(di)以上10cm處，螺旋箍筋(jin)(jin)(jin)(jin)選用A8盤圓(yuan)筋(jin)(jin)(jin)(jin)，A8@100加(jia)(jia)密區4.5m，其他A8@200，定(ding)位(wei)鋼片做法見10SG813第12頁(ye)。5.4鋼筋(jin)(jin)(jin)(jin)籠(long)(long)成型(xing)報驗成型(xing)后的(de)鋼筋(jin)(jin)(jin)(jin)籠(long)(long)自檢合格(ge)后報監理查驗，查驗合格(ge)后掛牌置于場所處寄存(cun)。
鋼筋籠運送與吊放
鋼(gang)(gang)(gang)筋籠(long)(long)(long)在(zai)搬運(yun)和吊(diao)裝時(shi)，需做好保護辦法避免鋼(gang)(gang)(gang)筋籠(long)(long)(long)變形。運(yun)送(song)選用平板車運(yun)送(song)至工(gong)點，用吊(diao)機將(jiang)鋼(gang)(gang)(gang)筋籠(long)(long)(long)吊(diao)入孔(kong)中(zhong)。吊(diao)車作業(ye)派專(zhuan)人指揮，吊(diao)點設兩(liang)個，在(zai)吊(diao)裝過程(cheng)中(zhong)要輕(qing)吊(diao)輕(qing)放(fang)。待鋼(gang)(gang)(gang)筋籠(long)(long)(long)徹底吊(diao)起后(hou)緩慢移向(xiang)所(suo)對應的(de)樁(zhuang)孔(kong)。鋼(gang)(gang)(gang)筋籠(long)(long)(long)吊(diao)裝入孔(kong)要將(jiang)鋼(gang)(gang)(gang)筋骨(gu)架中(zhong)心與樁(zhuang)孔(kong)對中(zhong)后(hou)刺進(jin)孔(kong)內，下(xia)放(fang)過程(cheng)中(zhong)要堅持(chi)鋼(gang)(gang)(gang)筋籠(long)(long)(long)垂直(zhi)，禁絕碰觸(chu)樁(zhuang)孔(kong)內壁。鋼(gang)(gang)(gang)筋籠(long)(long)(long)安(an)放(fang)到(dao)位(wei)后(hou)，其(qi)頂面標高差錯均不得大于5cm，就位(wei)后(hou)要結實定位(wei)，避免在(zai)灌注混(hun)凝(ning)土(tu)過程(cheng)中(zhong)發作偏籠(long)(long)(long)或浮籠(long)(long)(long)現象(xiang)。
質量操控及查驗
質量操控
鋼(gang)筋(jin)(jin)(jin)原資料(liao)質(zhi)量：鋼(gang)筋(jin)(jin)(jin)出場(chang)后(hou)有(you)必要(yao)(yao)(yao)依(yi)照規(gui)則的頻次查(cha)驗合(he)格(ge)(ge)后(hou)方(fang)(fang)可(ke)運(yun)用，不合(he)格(ge)(ge)資料(liao)制止運(yun)用。 鋼(gang)筋(jin)(jin)(jin)接(jie)頭質(zhi)量：鋼(gang)筋(jin)(jin)(jin)焊(han)接(jie)質(zhi)量頻次查(cha)驗合(he)格(ge)(ge)，鋼(gang)筋(jin)(jin)(jin)焊(han)接(jie)接(jie)頭契合(he)標(biao)準及規(gui)劃的規(gui)則。 鋼(gang)筋(jin)(jin)(jin)籠主(zhu)筋(jin)(jin)(jin)間隔：嚴(yan)格(ge)(ge)操控主(zhu)筋(jin)(jin)(jin)間隔，間隔差錯操控在±0.5d以內。 鋼(gang)筋(jin)(jin)(jin)籠保(bao)護(hu)層厚度(du)：依(yi)照施工圖的要(yao)(yao)(yao)求均勻安置定位鋼(gang)筋(jin)(jin)(jin)，保(bao)證(zheng)樁(zhuang)體(ti)保(bao)護(hu)層契合(he)規(gui)劃要(yao)(yao)(yao)求。 鋼(gang)筋(jin)(jin)(jin)寄存(cun)現場(chang)時，要(yao)(yao)(yao)用等(deng)高(gao)度(du)方(fang)(fang)木墊(dian)高(gao)，保(bao)證(zheng)鋼(gang)筋(jin)(jin)(jin)順直不變(bian)形(xing)。遇(yu)有(you)塵埃污染或雨水時有(you)必要(yao)(yao)(yao)覆(fu)蓋。 鋼(gang)筋(jin)(jin)(jin)籠吊裝(zhuang)及運(yun)送過程(cheng)中要(yao)(yao)(yao)輕(qing)(qing)拿輕(qing)(qing)放，避(bi)免鋼(gang)筋(jin)(jin)(jin)籠變(bian)形(xing)。
質量查驗
原資(zi)料鋼(gang)(gang)(gang)筋(jin)應(ying)(ying)(ying)平直(zhi)、無(wu)損傷，外表(biao)(biao)無(wu)裂紋、油污(wu)、顆粒(li)狀或(huo)片狀老銹(xiu)。查(cha)(cha)(cha)(cha)驗(yan)數量(liang)：施(shi)工(gong)(gong)單(dan)位悉數查(cha)(cha)(cha)(cha)看(kan)。查(cha)(cha)(cha)(cha)驗(yan)辦(ban)(ban)法：調查(cha)(cha)(cha)(cha)。 鋼(gang)(gang)(gang)筋(jin)加(jia)工(gong)(gong)鋼(gang)(gang)(gang)筋(jin)加(jia)工(gong)(gong)答應(ying)(ying)(ying)差錯和(he)查(cha)(cha)(cha)(cha)驗(yan)辦(ban)(ban)法應(ying)(ying)(ying)契(qi)合(he)下(xia)表(biao)(biao)的(de)(de)規(gui)則。查(cha)(cha)(cha)(cha)驗(yan)數量(liang)：施(shi)工(gong)(gong)單(dan)位按鋼(gang)(gang)(gang)筋(jin)編號各抽檢(jian)10%，且(qie)各不(bu)少(shao)于(yu)(yu)3件。 鋼(gang)(gang)(gang)筋(jin)銜接(jie)(jie)鋼(gang)(gang)(gang)筋(jin)接(jie)(jie)頭(tou)(tou)應(ying)(ying)(ying)設置在接(jie)(jie)受(shou)(shou)(shou)應(ying)(ying)(ying)力較小(xiao)處(chu)，并應(ying)(ying)(ying)分(fen)散安置。裝備在“同(tong)(tong)一截(jie)(jie)面”內受(shou)(shou)(shou)力鋼(gang)(gang)(gang)筋(jin)接(jie)(jie)頭(tou)(tou)的(de)(de)截(jie)(jie)面面積(ji)，占受(shou)(shou)(shou)力鋼(gang)(gang)(gang)筋(jin)總截(jie)(jie)面面積(ji)的(de)(de)百分(fen)率，應(ying)(ying)(ying)契(qi)合(he)規(gui)劃要求。當規(gui)劃未提出要求時，應(ying)(ying)(ying)契(qi)合(he)下(xia)列規(gui)則：①焊（連）接(jie)(jie)接(jie)(jie)頭(tou)(tou)在受(shou)(shou)(shou)彎構(gou)件的(de)(de)受(shou)(shou)(shou)拉(la)區(qu)不(bu)得(de)(de)(de)(de)大于(yu)(yu)50%，軸心受(shou)(shou)(shou)拉(la)構(gou)件不(bu)得(de)(de)(de)(de)大于(yu)(yu)25%；②綁扎接(jie)(jie)頭(tou)(tou)在構(gou)件的(de)(de)受(shou)(shou)(shou)拉(la)區(qu)不(bu)得(de)(de)(de)(de)大于(yu)(yu)25%，在受(shou)(shou)(shou)壓區(qu)不(bu)得(de)(de)(de)(de)大于(yu)(yu)50%；③鋼(gang)(gang)(gang)筋(jin)接(jie)(jie)頭(tou)(tou)應(ying)(ying)(ying)避開鋼(gang)(gang)(gang)筋(jin)曲(qu)折處(chu)，距曲(qu)折點(dian)的(de)(de)間(jian)隔不(bu)得(de)(de)(de)(de)小(xiao)于(yu)(yu)鋼(gang)(gang)(gang)筋(jin)直(zhi)徑(jing)的(de)(de)10倍；④同(tong)(tong)一根鋼(gang)(gang)(gang)筋(jin)上應(ying)(ying)(ying)少(shao)設接(jie)(jie)頭(tou)(tou)。“同(tong)(tong)一截(jie)(jie)面”內，同(tong)(tong)一根鋼(gang)(gang)(gang)筋(jin)上不(bu)得(de)(de)(de)(de)超過一個接(jie)(jie)頭(tou)(tou)。查(cha)(cha)(cha)(cha)驗(yan)數量(liang)：施(shi)工(gong)(gong)單(dan)位悉數查(cha)(cha)(cha)(cha)看(kan)。查(cha)(cha)(cha)(cha)驗(yan)辦(ban)(ban)法：調查(cha)(cha)(cha)(cha)和(he)尺量(liang)。混凝(ning)土灌注樁鋼(gang)(gang)(gang)筋(jin)籠質量(liang)查(cha)(cha)(cha)(cha)驗(yan)標準項序查(cha)(cha)(cha)(cha)看(kan)項目答應(ying)(ying)(ying)差錯或(huo)答應(ying)(ying)(ying)值（mm）查(cha)(cha)(cha)(cha)看(kan)辦(ban)(ban)法主控項目1主筋(jin)間(jian)隔±10用(yong)(yong)鋼(gang)(gang)(gang)尺量(liang)2長度±100用(yong)(yong)鋼(gang)(gang)(gang)尺量(liang)一般(ban)項目1鋼(gang)(gang)(gang)筋(jin)原料查(cha)(cha)(cha)(cha)驗(yan)規(gui)劃要求抽樣送檢(jian)2箍筋(jin)間(jian)隔±20用(yong)(yong)鋼(gang)(gang)(gang)尺量(liang)3直(zhi)徑(jing)±10用(yong)(yong)鋼(gang)(gang)(gang)尺量(liang)
施工安全保證辦法
①鋼(gang)(gang)(gang)(gang)筋(jin)(jin)加(jia)工機械裝(zhuang)(zhuang)置和運用有(you)必(bi)要履行(xing)機械安(an)(an)全(quan)(quan)操作(zuo)規程(cheng)。②焊接(jie)作(zuo)業人員有(you)必(bi)要持證上(shang)崗，焊接(jie)時(shi)應佩帶(dai)絕緣(yuan)手(shou)套、絕緣(yuan)鞋、防(fang)(fang)護眼睛等勞動保護用品。③施(shi)工所用氣(qi)(qi)瓶(ping)(ping)（氧氣(qi)(qi)、乙炔(gui)）的寄存(cun)有(you)必(bi)要契合安(an)(an)全(quan)(quan)規則。氧氣(qi)(qi)瓶(ping)(ping)與乙炔(gui)瓶(ping)(ping)的安(an)(an)全(quan)(quan)間隔不(bu)(bu)(bu)小于5米，與明火的安(an)(an)全(quan)(quan)間隔為10米以(yi)上(shang)。④鋼(gang)(gang)(gang)(gang)筋(jin)(jin)籠(long)焊接(jie)時(shi)，主筋(jin)(jin)內(nei)緣(yuan)應光滑，鋼(gang)(gang)(gang)(gang)筋(jin)(jin)接(jie)頭(tou)不(bu)(bu)(bu)得(de)侵入主筋(jin)(jin)內(nei)凈空(kong)，鋼(gang)(gang)(gang)(gang)筋(jin)(jin)籠(long)下端規整，加(jia)強箍筋(jin)(jin)悉數封住不(bu)(bu)(bu)漏(lou)頭(tou)，以(yi)使混凝土(tu)導管順暢(chang)升(sheng)降(jiang)，避(bi)免鋼(gang)(gang)(gang)(gang)筋(jin)(jin)籠(long)卡住發作(zuo)事(shi)端。⑤鋼(gang)(gang)(gang)(gang)筋(jin)(jin)籠(long)加(jia)工過程(cheng)中，不(bu)(bu)(bu)得(de)隨意呈現(xian)投(tou)擲鋼(gang)(gang)(gang)(gang)筋(jin)(jin)現(xian)象，制造完(wan)結的節段鋼(gang)(gang)(gang)(gang)筋(jin)(jin)籠(long)翻(fan)滾(gun)前(qian)應查看翻(fan)滾(gun)方向(xiang)是否有(you)人，避(bi)免人員砸傷。⑥鋼(gang)(gang)(gang)(gang)筋(jin)(jin)籠(long)吊裝(zhuang)(zhuang)過程(cheng)中，有(you)必(bi)要有(you)專人進(jin)行(xing)統一指揮，起重(zhong)臂下不(bu)(bu)(bu)得(de)有(you)人逗留或行(xing)走。不(bu)(bu)(bu)得(de)對(dui)(dui)鋼(gang)(gang)(gang)(gang)筋(jin)(jin)籠(long)進(jin)行(xing)斜(xie)(xie)拉、斜(xie)(xie)吊。⑦擬定消(xiao)(xiao)(xiao)防(fang)(fang)安(an)(an)全(quan)(quan)準(zhun)則、消(xiao)(xiao)(xiao)防(fang)(fang)安(an)(an)全(quan)(quan)操作(zuo)規程(cheng)；實行(xing)防(fang)(fang)火安(an)(an)全(quan)(quan)責任制，斷定崗位消(xiao)(xiao)(xiao)防(fang)(fang)安(an)(an)全(quan)(quan)責任人；對(dui)(dui)員工進(jin)行(xing)消(xiao)(xiao)(xiao)防(fang)(fang)宣傳教育；安(an)(an)排(pai)防(fang)(fang)火查看，及時(shi)消(xiao)(xiao)(xiao)除火災危(wei)險(xian)；依照(zhao)國家有(you)關規則裝(zhuang)(zhuang)備(bei)消(xiao)(xiao)(xiao)防(fang)(fang)設(she)施(shi)和器件、設(she)置消(xiao)(xiao)(xiao)防(fang)(fang)安(an)(an)全(quan)(quan)標志，并(bing)定時(shi)安(an)(an)排(pai)查驗、修理(li)，保證消(xiao)(xiao)(xiao)防(fang)(fang)設(she)施(shi)和器件無缺、有(you)用。
保定(ding)宇乾(qian)巖土(tu)(tu)工(gong)(gong)(gong)程(cheng)(cheng)有限公司(si)承攬全國(guo)范圍(wei)（如：河北、河南、湖南、湖北等(deng)地(di)）基(ji)坑(keng)邊坡支護設計與施(shi)(shi)工(gong)(gong)(gong)、基(ji)坑(keng)降水設計與施(shi)(shi)工(gong)(gong)(gong)、復(fu)合(he)地(di)基(ji)設計與施(shi)(shi)工(gong)(gong)(gong)，壓灌(guan)砼(tong)CFG樁(zhuang)、鉆孔(kong)灌(guan)注樁(zhuang)、人工(gong)(gong)(gong)挖孔(kong)擴底樁(zhuang)、強夯等(deng)各(ge)種地(di)基(ji)處(chu)理(li)工(gong)(gong)(gong)程(cheng)(cheng)。主營：地(di)基(ji)處(chu)理(li)公司(si)；地(di)基(ji)基(ji)礎(chu)工(gong)(gong)(gong)程(cheng)(cheng)；地(di)基(ji)基(ji)礎(chu)施(shi)(shi)工(gong)(gong)(gong)；打樁(zhuang)工(gong)(gong)(gong)程(cheng)(cheng)；土(tu)(tu)石方工(gong)(gong)(gong)程(cheng)(cheng)施(shi)(shi)工(gong)(gong)(gong)；房屋(wu)拆除；巖土(tu)(tu)工(gong)(gong)(gong)程(cheng)(cheng)勘(kan)察設計；建設工(gong)(gong)(gong)程(cheng)(cheng)質量檢(jian)測；土(tu)(tu)工(gong)(gong)(gong)試驗；工(gong)(gong)(gong)程(cheng)(cheng)監理(li)及建筑
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