擠(ji)(ji)密(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)基施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)，灰土擠(ji)(ji)密(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)，環保(bao)擠(ji)(ji)密(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)，水(shui)泥(ni)土擠(ji)(ji)密(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)，素土擠(ji)(ji)密(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)，夯擴擠(ji)(ji)密(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)，沉管擠(ji)(ji)密(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)，強夯地基施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)，碎石擠(ji)(ji)密(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)，擠(ji)(ji)密(mi)(mi)(mi)螺紋樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)，鉆孔灌注(zhu)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)，軟(ruan)土地基施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)，灰土樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)，我公司主營：擠(ji)(ji)密(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)，擠(ji)(ji)密(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)工(gong)(gong)(gong)(gong)(gong)(gong)程

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鉆孔灌(guan)注(zhu)樁(zhuang)后注(zhu)漿施(shi)工中應何控制。

一、方案審查控制

鉆(zhan)孔(kong)灌(guan)注樁后(hou)注漿技術施工，施工單位除了要編(bian)制鉆(zhan)孔(kong)灌(guan)注樁施工方(fang)案外，還(huan)需(xu)編(bian)制注漿技術的專項施工方(fang)案，提供各種(zhong)注漿參數。

后注漿技(ji)術(shu)(shu)是一種(zhong)新技(ji)術(shu)(shu)，不同的(de)施工(gong)(gong)單位，因其人員(yuan)的(de)技(ji)術(shu)(shu)水平(ping)、機械設備(bei)及工(gong)(gong)程(cheng)所在地工(gong)(gong)程(cheng)土物理力(li)學性質和賦存狀態的(de)不同，選(xuan)擇的(de)參數(shu)(shu)不盡(jin)相(xiang)同。因此，監理人員(yuan)要依據掌(zhang)握的(de)施工(gong)(gong)技(ji)術(shu)(shu)知識、實際經驗、相(xiang)關資料和有關規范、標準(zhun)，對方案選(xuan)取(qu)的(de)參數(shu)(shu)進行認真的(de)審查。審核的(de)參數(shu)(shu)主要有：開塞(sai)時間(jian)、開塞(sai)壓(ya)力(li)、注漿壓(ya)力(li)、注入水泥的(de)預控量。

二、鉆孔控制

鉆孔控制(zhi)主(zhu)要依據相(xiang)關規范(fan)的要求進(jin)行控制(zhi)。

鉆孔控(kong)(kong)制(zhi)主要依據《建筑地基基礎(chu)工程質量施(shi)工驗收規范》《建筑樁基技術(shu)規范》的(de)相(xiang)關要求(qiu)和(he)設計(ji)規范進行控(kong)(kong)制(zhi)，重(zhong)點(dian)控(kong)(kong)制(zhi)孔深(shen)、孔徑和(he)垂直度，了(le)解孔壁情況，及時了(le)解孔內情況，是(shi)否有坍孔、漏(lou)水等現(xian)象，以便在(zai)后注漿施(shi)工時采取(qu)相(xiang)應的(de)技術(shu)措施(shi)。

擠(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)基(ji)施(shi)(shi)工(gong)(gong)(gong)(gong)，灰土(tu)擠(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)施(shi)(shi)工(gong)(gong)(gong)(gong)，環(huan)保擠(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)施(shi)(shi)工(gong)(gong)(gong)(gong)，水(shui)泥(ni)土(tu)擠(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)施(shi)(shi)工(gong)(gong)(gong)(gong)，素土(tu)擠(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)施(shi)(shi)工(gong)(gong)(gong)(gong)，夯擴擠(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)施(shi)(shi)工(gong)(gong)(gong)(gong)，沉管擠(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)施(shi)(shi)工(gong)(gong)(gong)(gong)，強夯地(di)基(ji)施(shi)(shi)工(gong)(gong)(gong)(gong)，碎石擠(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)施(shi)(shi)工(gong)(gong)(gong)(gong)，擠(ji)(ji)密(mi)(mi)螺紋(wen)樁(zhuang)(zhuang)施(shi)(shi)工(gong)(gong)(gong)(gong)，鉆孔灌(guan)注(zhu)樁(zhuang)(zhuang)施(shi)(shi)工(gong)(gong)(gong)(gong)，軟土(tu)地(di)基(ji)施(shi)(shi)工(gong)(gong)(gong)(gong)，灰土(tu)樁(zhuang)(zhuang)施(shi)(shi)工(gong)(gong)(gong)(gong)，我公(gong)司主營：擠(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)施(shi)(shi)工(gong)(gong)(gong)(gong)，擠(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)工(gong)(gong)(gong)(gong)程

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強化基坑防護(hu)及模板支撐(cheng)管理

基坑(keng)周邊必須進行有(you)效防護(hu)，并設置明顯的警示(shi)標志。同時要加強(qiang)對(dui)基坑(keng)壁(bi)的支護(hu)，山(shan)西擠(ji)密樁基施工，并設置觀測點，隨(sui)時觀測邊坡及毗臨建筑(zhu)物(wu)、構筑(zhu)物(wu)的變化，及時發現(xian)隱患并采取有(you)效措施。

建(jian)筑(zhu)施(shi)工(gong)模板工(gong)程必須按照經過審批合(he)(he)格的施(shi)工(gong)方案進行搭(da)設(she)，并嚴格執(zhi)行檢查驗收制度(du)，確保不發(fa)生坍塌。人工(gong)挖孔樁施(shi)工(gong)作業，必須符合(he)(he)技術規范的安全要求。

強化塔吊等大型(xing)機械(xie)設備管理

重點做(zuo)好(hao)設備(bei)(bei)安裝(zhuang)前的(de)備(bei)(bei)案、檢測、維修和保養，確(que)保各(ge)種(zhong)安全裝(zhuang)置、限位裝(zhuang)置有效可靠。要做(zuo)好(hao)設備(bei)(bei)基礎的(de)檢查監控，提高設備(bei)(bei)的(de)防凍、防風及防倒塌的(de)能力。

塔(ta)吊設備的(de)拆裝工作，必須是具有相應資(zi)質的(de)單位(wei)完成，編制(zhi)詳細的(de)拆裝方案，并派專人監控，嚴格(ge)執行驗收和(he)登記制(zhi)度。

強化消防安全管理

重(zhong)點做好作業區(qu)、生(sheng)活(huo)區(qu)及倉庫(ku)等重(zhong)點部(bu)位的(de)消防安全管理，做到提前防范、重(zhong)點監控、及時排除火災隱(yin)患(huan)。要(yao)合理有(you)效地配置(zhi)滅火器、消防桶等器材和(he)設施(shi);要(yao)落實防火措施(shi)，實行嚴格的(de)動火審批制度，并設置(zhi)專門動火監護(hu)人，實行現場監護(hu)。

在明火(huo)作(zuo)業時，要(yao)避開物品和裝置，操作(zuo)完畢后要(yao)認真清理現場，不留火(huo)災(zai)隱患。加強對職工的預防(fang)火(huo)災(zai)教育，采(cai)取(qu)有效措施嚴(yan)防(fang)職工宿(su)舍發生火(huo)災(zai)。

擠(ji)(ji)(ji)(ji)(ji)密(mi)(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)基(ji)施(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)，灰土擠(ji)(ji)(ji)(ji)(ji)密(mi)(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)施(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)，環保(bao)擠(ji)(ji)(ji)(ji)(ji)密(mi)(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)施(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)，水泥土擠(ji)(ji)(ji)(ji)(ji)密(mi)(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)施(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)，素土擠(ji)(ji)(ji)(ji)(ji)密(mi)(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)施(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)，夯擴擠(ji)(ji)(ji)(ji)(ji)密(mi)(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)施(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)，沉(chen)管擠(ji)(ji)(ji)(ji)(ji)密(mi)(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)施(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)，山(shan)西擠(ji)(ji)(ji)(ji)(ji)密(mi)(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)基(ji)施(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)租賃價(jia)格，強夯地(di)基(ji)施(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)，碎(sui)石擠(ji)(ji)(ji)(ji)(ji)密(mi)(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)施(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)，擠(ji)(ji)(ji)(ji)(ji)密(mi)(mi)(mi)(mi)螺(luo)紋樁(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)施(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)，山(shan)西擠(ji)(ji)(ji)(ji)(ji)密(mi)(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)基(ji)施(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)設(she)備租賃，鉆孔(kong)灌注樁(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)施(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)，軟(ruan)土地(di)基(ji)施(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)，灰土樁(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)施(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)，我(wo)公司(si)主營：擠(ji)(ji)(ji)(ji)(ji)密(mi)(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)施(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)，擠(ji)(ji)(ji)(ji)(ji)密(mi)(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)程

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柱錘沖擴樁法：

柱(zhu)錘(chui)沖擴樁法，通過人工成(cheng)孔(kong)(kong)、螺旋鉆成(cheng)孔(kong)(kong)、振(zhen)動沉(chen)管成(cheng)孔(kong)(kong)或柱(zhu)錘(chui)沖擊成(cheng)孔(kong)(kong)，填入(ru)碎石、礦渣(zha)、灰土、水泥(ni)土、渣(zha)土或CFG料等，分層夯(hang)擊，夯(hang)擴樁體，擠密樁間土，形成(cheng)復(fu)合地(di)基以提高(gao)地(di)基承載(zai)力(li)和減(jian)小沉(chen)降。

柱(zhu)錘(chui)沖(chong)擴樁法，適用(yong)于雜填(tian)土(tu)(tu)、素填(tian)土(tu)(tu)、粉土(tu)(tu)、砂土(tu)(tu)、粘性土(tu)(tu)地(di)基(ji)等，因(yin)地(di)制宜采用(yong)適當的成孔(kong)工藝、回填(tian)料和(he)夯擴工藝。對地(di)下水位以下飽和(he)松(song)軟土(tu)(tu)層(ceng)，應(ying)通過現場試驗確(que)定(ding)其適用(yong)性。地(di)基(ji)處理深度不(bu)宜超(chao)(chao)過6m，復合地(di)基(ji)承載力特征值不(bu)宜超(chao)(chao)過163KPa。

土、灰土擠密樁法：

土(tu)(tu)(tu)(tu)(tu)、灰土(tu)(tu)(tu)(tu)(tu)擠(ji)密樁法，采用沉管(guan)法、爆擴法、鉆孔法、掏(tao)孔法和沖擊(ji)法在地(di)(di)基中設置土(tu)(tu)(tu)(tu)(tu)樁或灰土(tu)(tu)(tu)(tu)(tu)樁，在成樁過程中擠(ji)密樁間土(tu)(tu)(tu)(tu)(tu)，由擠(ji)密的(de)樁間土(tu)(tu)(tu)(tu)(tu)和密實的(de)土(tu)(tu)(tu)(tu)(tu)樁或灰土(tu)(tu)(tu)(tu)(tu)樁形成復合地(di)(di)基。以提高地(di)(di)基承載力和減小沉降，同(tong)時也(ye)可消除濕陷性(xing)黃土(tu)(tu)(tu)(tu)(tu)的(de)濕陷性(xing)。

土(tu)、灰土(tu)擠(ji)(ji)密樁(zhuang)法(fa)，適用于(yu)地下水位以(yi)上(shang)的濕陷性黃土(tu)、雜填土(tu)、素填土(tu)等地基(ji)(ji)，山(shan)西擠(ji)(ji)密樁(zhuang)基(ji)(ji)施工加固，可處理地基(ji)(ji)的深(shen)度為5~15m。當(dang)以(yi)消(xiao)除地基(ji)(ji)土(tu)的濕陷性為為主(zhu)要目的時，宜選用土(tu)樁(zhuang)擠(ji)(ji)密法(fa)。當(dang)以(yi)提高地基(ji)(ji)土(tu)的承載力或增強(qiang)其水穩(wen)性為主(zhu)要目的時，宜選用灰土(tu)擠(ji)(ji)密樁(zhuang)法(fa)。當(dang)地基(ji)(ji)土(tu)的含(han)水量(liang)大(da)于(yu)24%、飽和度大(da)于(yu)65%時，不宜選用灰土(tu)樁(zhuang)擠(ji)(ji)密法(fa)或土(tu)擠(ji)(ji)密樁(zhuang)法(fa)。