擠(ji)(ji)密(mi)(mi)樁基(ji)(ji)施工(gong)(gong)(gong)，灰土(tu)擠(ji)(ji)密(mi)(mi)樁施工(gong)(gong)(gong)，環(huan)保擠(ji)(ji)密(mi)(mi)樁施工(gong)(gong)(gong)，水泥土(tu)擠(ji)(ji)密(mi)(mi)樁施工(gong)(gong)(gong)，素土(tu)擠(ji)(ji)密(mi)(mi)樁施工(gong)(gong)(gong)，夯(hang)擴擠(ji)(ji)密(mi)(mi)樁施工(gong)(gong)(gong)，沉管擠(ji)(ji)密(mi)(mi)樁施工(gong)(gong)(gong)，強夯(hang)地(di)基(ji)(ji)施工(gong)(gong)(gong)，碎石擠(ji)(ji)密(mi)(mi)樁施工(gong)(gong)(gong)，擠(ji)(ji)密(mi)(mi)螺(luo)紋樁施工(gong)(gong)(gong)，鉆(zhan)孔灌注樁施工(gong)(gong)(gong)，軟土(tu)地(di)基(ji)(ji)施工(gong)(gong)(gong)，灰土(tu)樁施工(gong)(gong)(gong)，我公司主營(ying)：擠(ji)(ji)密(mi)(mi)樁施工(gong)(gong)(gong)，擠(ji)(ji)密(mi)(mi)樁工(gong)(gong)(gong)程

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成孔偏斜

成孔(kong)偏(pian)(pian)斜是(shi)指(zhi)成孔(kong)壁(bi)樁孔(kong)出現較大垂(chui)直偏(pian)(pian)差(cha)或(huo)彎曲。

其造(zao)成原因和處理(li)方法主要有(you)：

 施(shi)工現(xian)場地面軟弱或軟硬不(bu)(bu)均(jun)勻，太原擠密(mi)樁(zhuang)施(shi)工工程(cheng)，在支(zhi)架(jia)上鉆(zhan)(zhan)孔時，支(zhi)架(jia)的(de)(de)承(cheng)載力不(bu)(bu)足，發生(sheng)(sheng)不(bu)(bu)均(jun)勻沉降，導致鉆(zhan)(zhan)桿不(bu)(bu)垂(chui)直，造成成孔偏斜。為避免(mian)事故發生(sheng)(sheng)，場地必(bi)須(xu)(xu)夯(hang)實平整，軌道及枕木宜均(jun)勻著(zhu)地，太原擠密(mi)樁(zhuang)施(shi)工，支(zhi)架(jia)的(de)(de)承(cheng)載力應(ying)滿足要求，在發生(sheng)(sheng)不(bu)(bu)均(jun)勻沉降時，必(bi)須(xu)(xu)隨時調(diao)整。 850G工程(cheng)資(zi)料

未做好鉆機(ji)安(an)裝(zhuang)工作，是造成(cheng)成(cheng)孔(kong)偏斜的(de)(de)隱患(huan)。因此要求安(an)裝(zhuang)地基穩固。鉆機(ji)就位時，應(ying)使(shi)轉盤(pan)，底(di)座水平，使(shi)天輪的(de)(de)輪緣(yuan)、鉆桿的(de)(de)卡盤(pan)和護筒的(de)(de)中心在(zai)同一垂(chui)直(zhi)線上(shang)，并在(zai)鉆進過(guo)程中防止(zhi)位移，在(zai)不均勻地層中鉆孔(kong)時，采用自(zi)重大(da)、鉆桿剛度大(da)的(de)(de)鉆機(ji)。

遇(yu)到土層呈(cheng)斜(xie)狀分布或土層中夾有大的孤石或其它硬(ying)物等情(qing)形(xing)。鉆速要加慢檔。另外安裝(zhuang)(zhuang)導正裝(zhuang)(zhuang)置也(ye)是防止(zhi)孔斜(xie)的簡單有效的方法。

樁底沉渣量過多

對摩擦樁(zhuang)來(lai)說(shuo)，由于其受(shou)力(li)機理(li)是(shi)通(tong)過樁(zhuang)表面和周圍(wei)土(tu)(tu)壤之間的磨(mo)擦力(li)或依附力(li)，逐漸(jian)把荷(he)載從樁(zhuang)頂(ding)傳遞(di)到周圍(wei)的土(tu)(tu)體(ti)中(zhong)，如果(guo)在設計中(zhong)端部(bu)反力(li)不(bu)大，端部(bu)的沉渣(zha)量(liang)對樁(zhuang)承(cheng)載力(li)亦(yi)影響不(bu)大；而對于承(cheng)載樁(zhuang)來(lai)說(shuo)，如果(guo)沉渣(zha)量(liang)過大，勢必(bi)造成(cheng)樁(zhuang)受(shou)荷(he)時發生大量(liang)沉降，同樣使樁(zhuang)的承(cheng)載力(li)失(shi)效，因此鉆孔灌注樁(zhuang)的沉渣(zha)量(liang)檢查(cha)是(shi)施工控制(zhi)中(zhong)的一項關鍵(jian)工作(zuo)。

擠(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)基(ji)施工(gong)(gong)，灰土(tu)(tu)擠(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施工(gong)(gong)，環保擠(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施工(gong)(gong)，水泥土(tu)(tu)擠(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施工(gong)(gong)，素土(tu)(tu)擠(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施工(gong)(gong)，夯(hang)擴擠(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施工(gong)(gong)，沉(chen)管擠(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施工(gong)(gong)，強(qiang)夯(hang)地(di)基(ji)施工(gong)(gong)，碎石擠(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施工(gong)(gong)，擠(ji)(ji)(ji)密(mi)(mi)螺(luo)紋樁(zhuang)(zhuang)(zhuang)(zhuang)施工(gong)(gong)，鉆孔灌注樁(zhuang)(zhuang)(zhuang)(zhuang)施工(gong)(gong)，軟(ruan)土(tu)(tu)地(di)基(ji)施工(gong)(gong)，灰土(tu)(tu)樁(zhuang)(zhuang)(zhuang)(zhuang)施工(gong)(gong)，我公(gong)司主營(ying)：擠(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施工(gong)(gong)，擠(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)工(gong)(gong)程(cheng)

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深層密實法施工記錄要求：

1）強夯施工的夯擊點布置及技術參數(shu)（錘直、落距、夯擊點、次(ci)數(shu)等）應(ying)設計(ji)要求，夯擊遍(bian)數(shu)和(he)兩(liang)遍(bian)間的間歇時間，應(ying)符合設計(ji)與(yu)施工規范要求；

2）施工過程中(zhong)應對各(ge)項(xiang)參數及施工情況進行詳(xiang)細記錄(lu)(lu)，包括夯點記錄(lu)(lu)與每遍的匯總記錄(lu)(lu)，對強夯地基的質(zhi)量檢驗應在夯后(hou)一定的間歇期之后(hou)進行；

3）振沖地(di)基在(zai)正式施(shi)工(gong)(gong)(gong)(gong)前(qian)，應(ying)(ying)在(zai)現場在(zai)代表性的(de)場地(di)上進行試樁試驗，確定有關(guan)施(shi)工(gong)(gong)(gong)(gong)參數，做好(hao)記錄。施(shi)工(gong)(gong)(gong)(gong)時應(ying)(ying)檢查振沖器與填(tian)料的(de)性能，施(shi)工(gong)(gong)(gong)(gong)中應(ying)(ying)檢查各種施(shi)工(gong)(gong)(gong)(gong)參數，并做好(hao)施(shi)工(gong)(gong)(gong)(gong)記錄。對振沖地(di)基的(de)質量檢驗應(ying)(ying)在(zai)根據不同的(de)填(tian)料，在(zai)施(shi)工(gong)(gong)(gong)(gong)結束(shu)后間歇一定時間進行。

擠(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)基(ji)施工(gong)(gong)(gong)(gong)，灰(hui)(hui)土擠(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)施工(gong)(gong)(gong)(gong)，環保擠(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)施工(gong)(gong)(gong)(gong)，水泥土擠(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)施工(gong)(gong)(gong)(gong)，素(su)土擠(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)施工(gong)(gong)(gong)(gong)，夯擴擠(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)施工(gong)(gong)(gong)(gong)，沉管擠(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)施工(gong)(gong)(gong)(gong)，強(qiang)夯地基(ji)施工(gong)(gong)(gong)(gong)，碎(sui)石(shi)擠(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)施工(gong)(gong)(gong)(gong)，擠(ji)(ji)(ji)密(mi)(mi)螺紋樁(zhuang)(zhuang)(zhuang)施工(gong)(gong)(gong)(gong)，鉆孔灌注樁(zhuang)(zhuang)(zhuang)施工(gong)(gong)(gong)(gong)，軟土地基(ji)施工(gong)(gong)(gong)(gong)，灰(hui)(hui)土樁(zhuang)(zhuang)(zhuang)施工(gong)(gong)(gong)(gong)，我公司主營：擠(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)施工(gong)(gong)(gong)(gong)，擠(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)工(gong)(gong)(gong)(gong)程(cheng)

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危險性較大的(de)(de)分部分項(xiang)工(gong)程，各級領導在牢固樹立“安(an)(an)(an)全、預防為(wei)主”的(de)(de)思想，太原擠密樁施(shi)工(gong)方(fang)案，堅決貫(guan)徹“管生產(chan)(chan)必須管安(an)(an)(an)全”的(de)(de)原則，把(ba)安(an)(an)(an)全生產(chan)(chan)放在重點議(yi)事(shi)日(ri)程上，作(zuo)為(wei)頭等大事(shi)來抓(zhua)，并認真落實“安(an)(an)(an)全生產(chan)(chan)、文(wen)明施(shi)工(gong)”的(de)(de)規定。

建(jian)立健全并貫徹安(an)(an)全管理制度和各崗位安(an)(an)全責任制，根據工程性質、特點、成立三級安(an)(an)全管理機構。

項目部(bu)安(an)(an)全(quan)(quan)領導小組，每月(yue)召開一次會議，部(bu)署(shu)各項安(an)(an)全(quan)(quan)管(guan)理工作(zuo)和改(gai)善安(an)(an)全(quan)(quan)技(ji)術措施(shi)，具體檢查(cha)各部(bu)門(men)存在(zai)安(an)(an)全(quan)(quan)隱(yin)患問(wen)(wen)題(ti)提出改(gai)進安(an)(an)全(quan)(quan)技(ji)術問(wen)(wen)題(ti)，太原(yuan)擠密(mi)樁施(shi)工隊，落實安(an)(an)全(quan)(quan)生(sheng)產責(ze)任制和嚴(yan)格控制工人按安(an)(an)全(quan)(quan)規程作(zuo)業，確保施(shi)工安(an)(an)全(quan)(quan)生(sheng)產。

項目專職(zhi)安(an)全(quan)生產管理人員(yuan)，每天檢查(cha)工(gong)(gong)人上(shang)，下班是(shi)否佩戴好安(an)全(quan)帽和個(ge)人防護用品，對(dui)工(gong)(gong)人操(cao)作面(mian)進行(xing)安(an)全(quan)檢查(cha)，保證工(gong)(gong)人按安(an)全(quan)操(cao)作規程作業，及時檢查(cha)存(cun)在的安(an)全(quan)問題(ti)，消除安(an)全(quan)隱患。