擠(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)基(ji)施(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)，灰土(tu)擠(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)，環保(bao)擠(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)，水泥土(tu)擠(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)，素土(tu)擠(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)，山西擠(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)單位，夯(hang)擴擠(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)，沉管(guan)擠(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)，強(qiang)夯(hang)地基(ji)施(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)，碎石擠(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)，擠(ji)(ji)(ji)密(mi)(mi)螺紋(wen)樁(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)，鉆孔灌注樁(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)，軟土(tu)地基(ji)施(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)，灰土(tu)樁(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)，我公司主營(ying)：擠(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)，擠(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)工(gong)(gong)(gong)(gong)程(cheng)

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成孔偏斜

成(cheng)孔偏(pian)(pian)斜(xie)是指(zhi)成(cheng)孔壁樁(zhuang)孔出(chu)現較大垂直(zhi)偏(pian)(pian)差或(huo)彎(wan)曲(qu)。

其造成原因(yin)和處理方法主要有：

施工(gong)現場地(di)面軟(ruan)弱(ruo)或軟(ruan)硬不(bu)(bu)均勻(yun)，在(zai)支(zhi)(zhi)架(jia)上(shang)鉆(zhan)孔(kong)時(shi)，支(zhi)(zhi)架(jia)的(de)承載力不(bu)(bu)足，發生不(bu)(bu)均勻(yun)沉降(jiang)，導致鉆(zhan)桿不(bu)(bu)垂直(zhi)，造成(cheng)成(cheng)孔(kong)偏斜。為避免事故發生，場地(di)必(bi)須(xu)夯實(shi)平(ping)整，軌道及(ji)枕木宜(yi)均勻(yun)著地(di)，支(zhi)(zhi)架(jia)的(de)承載力應(ying)滿足要求，在(zai)發生不(bu)(bu)均勻(yun)沉降(jiang)時(shi)，必(bi)須(xu)隨時(shi)調整。 850G工(gong)程資料

未做好(hao)鉆(zhan)(zhan)(zhan)機安裝工作，是造成成孔(kong)偏斜的(de)隱患(huan)。因此(ci)要求安裝地(di)基穩固(gu)。鉆(zhan)(zhan)(zhan)機就位(wei)時，應使轉盤，底座水平，使天輪的(de)輪緣、鉆(zhan)(zhan)(zhan)桿(gan)的(de)卡(ka)盤和護筒的(de)中心在同(tong)一垂直線上，并在鉆(zhan)(zhan)(zhan)進過(guo)程(cheng)中防止位(wei)移，在不均勻地(di)層中鉆(zhan)(zhan)(zhan)孔(kong)時，采用自重(zhong)大(da)、鉆(zhan)(zhan)(zhan)桿(gan)剛度大(da)的(de)鉆(zhan)(zhan)(zhan)機。

遇到土層呈斜(xie)狀分布或土層中夾有大的孤石或其它硬物等(deng)情(qing)形(xing)。鉆速要加(jia)慢檔。另外(wai)安裝(zhuang)導(dao)正裝(zhuang)置也是防止孔斜(xie)的簡(jian)單有效的方法(fa)。

樁底沉渣量過多

對摩擦(ca)(ca)樁來(lai)說，由(you)于其受(shou)力機理是通過(guo)樁表面和周圍土壤之間的磨擦(ca)(ca)力或依附(fu)力，逐漸把荷載從樁頂傳(chuan)遞(di)到周圍的土體中(zhong)，如果在(zai)設計(ji)中(zhong)端部反(fan)力不大(da)(da)，端部的沉(chen)渣(zha)(zha)量(liang)對樁承載力亦影響不大(da)(da)；而對于承載樁來(lai)說，如果沉(chen)渣(zha)(zha)量(liang)過(guo)大(da)(da)，勢(shi)必造(zao)成樁受(shou)荷時(shi)發生大(da)(da)量(liang)沉(chen)降，山西擠密樁施工(gong)工(gong)程，同樣使樁的承載力失(shi)效，因此鉆(zhan)孔灌注樁的沉(chen)渣(zha)(zha)量(liang)檢查(cha)是施工(gong)控制中(zhong)的一項關鍵工(gong)作(zuo)。

擠(ji)(ji)(ji)(ji)密(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)基(ji)施(shi)(shi)(shi)(shi)(shi)工(gong)，山西擠(ji)(ji)(ji)(ji)密(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)(shi)(shi)工(gong)，灰土(tu)擠(ji)(ji)(ji)(ji)密(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)(shi)(shi)工(gong)，環保擠(ji)(ji)(ji)(ji)密(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)(shi)(shi)工(gong)，水泥(ni)土(tu)擠(ji)(ji)(ji)(ji)密(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)(shi)(shi)工(gong)，素土(tu)擠(ji)(ji)(ji)(ji)密(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)(shi)(shi)工(gong)，夯擴擠(ji)(ji)(ji)(ji)密(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)(shi)(shi)工(gong)，沉管(guan)擠(ji)(ji)(ji)(ji)密(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)(shi)(shi)工(gong)，強(qiang)夯地基(ji)施(shi)(shi)(shi)(shi)(shi)工(gong)，碎石擠(ji)(ji)(ji)(ji)密(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)(shi)(shi)工(gong)，擠(ji)(ji)(ji)(ji)密(mi)螺(luo)紋樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)(shi)(shi)工(gong)，鉆孔(kong)灌注(zhu)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)(shi)(shi)工(gong)，軟土(tu)地基(ji)施(shi)(shi)(shi)(shi)(shi)工(gong)，灰土(tu)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)(shi)(shi)工(gong)，我公(gong)司主營：擠(ji)(ji)(ji)(ji)密(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)(shi)(shi)工(gong)，擠(ji)(ji)(ji)(ji)密(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)工(gong)程

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強夯施工現場監(jian)控要(yao)求有哪些？

強夯法用大噸位(10～40t)夯錘，反復(fu)起吊至高處(6～30m)使其(qi)自由下落，給(gei)地(di)基(ji)以沖擊和振動能量，將地(di)基(ji)土夯實的地(di)基(ji)處理方法。

1、開夯前檢(jian)查錘重(zhong)和落距，以確(que)保的單擊(ji)夯擊(ji)能量符合設(she)計(ji)要(yao)求;

2、強夯(hang)(hang)施(shi)工過程中(zhong)，按照要求記錄下每次夯(hang)(hang)擊(ji)時(shi)候夯(hang)(hang)錘重量(liang)(liang)，落距(ju)、夯(hang)(hang)點間距(ju)、填筑(zhu)路基高度、夯(hang)(hang)擊(ji)面(mian)積、每坑的(de)夯(hang)(hang)擊(ji)點數(shu)，并用(yong)水準(zhun)儀檢(jian)測并記錄每錘夯(hang)(hang)擊(ji)沉(chen)降量(liang)(liang)。每批夯(hang)(hang)擊(ji)完成(cheng)后，測量(liang)(liang)場地的(de)夯(hang)(hang)沉(chen)量(liang)(liang)并做好記錄。

3、在每遍(bian)夯擊前，對夯點放線進行(xing)復核，夯完后檢查夯坑位置，發現偏(pian)差(cha)或漏夯應及(ji)時(shi)糾正(zheng);

4、施(shi)工期間應對高填方路基(ji)邊坡(po)的(de)穩定性進(jin)行動(dong)態監測(ce)，如遇(yu)險(xian)情，則(ze)應立(li)即停止施(shi)工，另行采取相應措施(shi)處(chu)理。

施工(gong)觀(guan)(guan)(guan)(guan)測(ce)位移(yi)樁埋設于(yu)路肩下的路基頂面及路堤(di)平臺和路堤(di)坡腳(jiao)外1米(mi)(mi)位置(zhi)(zhi)，每(mei)隔50米(mi)(mi)布置(zhi)(zhi)，施工(gong)觀(guan)(guan)(guan)(guan)測(ce)頻(pin)率：一(yi)般情況(kuang)，每(mei)10天(tian)(tian)觀(guan)(guan)(guan)(guan)測(ce)一(yi)次(ci)，要求(qiu)雨(yu)后1-5天(tian)(tian)，每(mei)天(tian)(tian)觀(guan)(guan)(guan)(guan)測(ce)一(yi)次(ci)。變形觀(guan)(guan)(guan)(guan)測(ce)包括水平位移(yi)觀(guan)(guan)(guan)(guan)測(ce)及高程(cheng)觀(guan)(guan)(guan)(guan)測(ce)，使用全站儀進行觀(guan)(guan)(guan)(guan)測(ce)。

擠(ji)(ji)(ji)密(mi)(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)基施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)，灰(hui)土(tu)(tu)擠(ji)(ji)(ji)密(mi)(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)，環保(bao)擠(ji)(ji)(ji)密(mi)(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)，水泥土(tu)(tu)擠(ji)(ji)(ji)密(mi)(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)，素土(tu)(tu)擠(ji)(ji)(ji)密(mi)(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)，夯擴擠(ji)(ji)(ji)密(mi)(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)，沉(chen)管擠(ji)(ji)(ji)密(mi)(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)，強夯地基施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)，碎石擠(ji)(ji)(ji)密(mi)(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)，擠(ji)(ji)(ji)密(mi)(mi)(mi)(mi)螺紋樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)，鉆孔灌(guan)注樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)，軟(ruan)土(tu)(tu)地基施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)，灰(hui)土(tu)(tu)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)，我公司主營：擠(ji)(ji)(ji)密(mi)(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)，擠(ji)(ji)(ji)密(mi)(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)工(gong)(gong)(gong)(gong)(gong)程

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土樁和灰土樁

是由樁間擠密土和填(tian)夯得(de)樁體組成的人工(gong)“復合地基”，適應(ying)于處理地下水(shui)位(wei)以上，深度5—15m的濕陷性黃土或人工(gong)填(tian)土地基。

土(tu)樁主要適(shi)應于：濕陷(xian)性(xing)黃(huang)土(tu)地基(ji)和濕陷(xian)性(xing)；灰土(tu)樁適(shi)于：提(ti)高人工填土(tu)地基(ji)的承載力。地下水(shui)位以下或含水(shui)量超過(guo)25%的土(tu)，不(bu)宜采(cai)用。

深層攪拌樁

土(tu)木(mu)工(gong)程(cheng)的(de)地基問題處(chu)理

是利(li)用(yong)水(shui)泥、石灰等材料作為(wei)固化(hua)劑的(de)主(zhu)劑，通(tong)過的(de)深(shen)層攪拌(ban)機械，在地基深(shen)處(chu)就地將軟(ruan)土和(he)固化(hua)劑（漿液(ye)或(huo)粉體）強制(zhi)攪拌(ban)，利(li)用(yong)固化(hua)劑和(he)軟(ruan)土之間產生的(de)一(yi)系列(lie)物理—化(hua)學反應(ying)，使軟(ruan)土硬(ying)結成具有整體性的(de)病具有一(yi)定承載力的(de)復合地基。

深(shen)層攪拌樁適于(yu)加(jia)固(gu)各種(zhong)成(cheng)因的飽(bao)和軟粘土(tu)(tu)(tu)，山西(xi)擠密樁施工(gong)廠家，如(ru)淤(yu)泥(ni)、淤(yu)泥(ni)質(zhi)土(tu)(tu)(tu)、粘土(tu)(tu)(tu)、粉質(zhi)粘土(tu)(tu)(tu)等(deng)，用于(yu)增加(jia)軟土(tu)(tu)(tu)地基的承(cheng)載(zai)力，減少(shao)沉降量，通過邊坡穩定性和各種(zhong)坑槽工(gong)程(cheng)施工(gong)時(shi)的擋(dang)水帷幕。

施(shi)工(gong)前根據工(gong)程地質(zhi)資料，進行室(shi)內配合比(bi)試驗，結(jie)合設計要求，選(xuan)擇水(shui)泥(ni)摻(chan)入量(liang)，確定攪拌工(gong)藝(yi)。