擠(ji)(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)基施(shi)工(gong)(gong)(gong)(gong)(gong)，灰土(tu)擠(ji)(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)施(shi)工(gong)(gong)(gong)(gong)(gong)，環保(bao)擠(ji)(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)施(shi)工(gong)(gong)(gong)(gong)(gong)，水泥土(tu)擠(ji)(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)施(shi)工(gong)(gong)(gong)(gong)(gong)，素(su)土(tu)擠(ji)(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)施(shi)工(gong)(gong)(gong)(gong)(gong)，夯擴擠(ji)(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)施(shi)工(gong)(gong)(gong)(gong)(gong)，晉(jin)中碎石(shi)擠(ji)(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)施(shi)工(gong)(gong)(gong)(gong)(gong)，沉(chen)管擠(ji)(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)施(shi)工(gong)(gong)(gong)(gong)(gong)，強夯地基施(shi)工(gong)(gong)(gong)(gong)(gong)，碎石(shi)擠(ji)(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)施(shi)工(gong)(gong)(gong)(gong)(gong)，擠(ji)(ji)(ji)(ji)密(mi)(mi)螺紋(wen)樁(zhuang)(zhuang)施(shi)工(gong)(gong)(gong)(gong)(gong)，鉆孔灌注樁(zhuang)(zhuang)施(shi)工(gong)(gong)(gong)(gong)(gong)，軟(ruan)土(tu)地基施(shi)工(gong)(gong)(gong)(gong)(gong)，灰土(tu)樁(zhuang)(zhuang)施(shi)工(gong)(gong)(gong)(gong)(gong)，我公司主營(ying)：擠(ji)(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)施(shi)工(gong)(gong)(gong)(gong)(gong)，擠(ji)(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)工(gong)(gong)(gong)(gong)(gong)程

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素土夯填，夯實機(ji)械為2T強夯機(ji)，人工回填。

依據(ju)試驗室出具的素土擊實報告控制現場含(han)水率。

夯實機械就(jiu)位后，碎石擠密樁施(shi)工方案，夯錘對準孔(kong)心(xin)，先(xian)夯實孔(kong)底2次，再用黃土進行(xing)人工回填(tian)，每(mei)填(tian)入0.5m3 土料，夯擊3次，重錘提升高度(du)5m。依此從下往(wang)上進行(xing)，單樁施(shi)工過程中(zhong)，做好填(tian)料量(liang)，成樁時(shi)間記(ji)錄。

樁(zhuang)基檢(jian)測.由建設(she)單位委托的(de)符(fu)合(he)相關資(zi)質和要(yao)求(qiu)的(de)檢(jian)測單位進行樁(zhuang)基檢(jian)測，并出具(ju)合(he)法、有效的(de)檢(jian)測報告。

素(su)土(tu)擠密樁(zhuang)(zhuang)施工(gong)質量標準(zhun):樁(zhuang)(zhuang)位(wei)平面(mian)位(wei)置誤差70mm內(nei)。定(ding)位(wei)放線后機械成(cheng)孔，檢查成(cheng)孔深(shen)度是否滿足(zu)要求，機械配合人工(gong)分層回(hui)填(tian)，夯(hang)填(tian)時重錘提升(sheng)高(gao)度為5m，允許誤差-300mm。回(hui)填(tian)土(tu)選用(yong)黃土(tu)，有(you)機料不得超過3%，30米碎石擠密樁(zhuang)(zhuang)施工(gong)，土(tu)徑不大于15mm。

擠(ji)密(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)基(ji)施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)，灰土(tu)擠(ji)密(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)，環(huan)保擠(ji)密(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)，水(shui)泥土(tu)擠(ji)密(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)，素(su)土(tu)擠(ji)密(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)，夯(hang)擴擠(ji)密(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)，沉管擠(ji)密(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)，強夯(hang)地基(ji)施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)，碎石(shi)擠(ji)密(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)，擠(ji)密(mi)(mi)(mi)螺(luo)紋樁(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)，鉆孔灌注樁(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)，軟土(tu)地基(ji)施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)，灰土(tu)樁(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)，我公司主(zhu)營：擠(ji)密(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)，擠(ji)密(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)工(gong)(gong)(gong)程

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1.強(qiang)夯(hang)(hang)置(zhi)換地基的適用性(xing)和(he)處理效果要通過現場試(shi)驗確定。在(zai)進(jin)行(xing)強(qiang)夯(hang)(hang)置(zhi)換施(shi)工(gong)(gong)前，應(ying)在(zai)施(shi)工(gong)(gong)現場有代表性(xing)的場地選擇一個(ge)或(huo)幾個(ge)試(shi)驗區進(jin)行(xing)試(shi)夯(hang)(hang)或(huo)試(shi)驗性(xing)施(shi)工(gong)(gong)。每(mei)個(ge)實驗區的面積(ji)不(bu)應(ying)小于20m×20m。

2.強夯地基用(yong)(yong)夯錘的(de)質量應為(wei)(wei)(wei)10-60t，其底部(bu)(bu)和形(xing)式應為(wei)(wei)(wei)網狀形(xing)，夯錘底部(bu)(bu)的(de)面(mian)積應根據土(tu)壤的(de)性質確定，夯錘底部(bu)(bu)的(de)靜態接地壓力應為(wei)(wei)(wei)25-80kPa。敲(qiao)擊(ji)能(neng)量高時點(dian)擊(ji)高值(zhi)，夯擊(ji)能(neng)量低時點(dian)擊(ji)低值(zhi)，細粒土(tu)使用(yong)(yong)低值(zhi)。錘頭底面(mian)應對稱設置若干個從(cong)上(shang)至下(xia)貫(guan)通的(de)排(pai)氣孔，孔徑(jing)為(wei)(wei)(wei)300-400 mm。

3.基礎夯實應采用(yong)帶(dai)自動脫(tuo)鉤裝置的(de)履帶(dai)吊(diao)，夯錘(chui)(chui)質量(liang)不應超過起重(zhong)(zhong)機(ji)械的(de)額定起重(zhong)(zhong)質量(liang)。履帶(dai)吊(diao)應在(zai)(zai)吊(diao)臂末端(duan)設置輔助龍門架或(huo)采取其他安(an)全措施(shi)，防止起落錘(chui)(chui)在(zai)(zai)起升落錘(chui)(chui)時傾(qing)覆。

4.地質中(zhong)常(chang)見的問題(ti)是軟土，處(chu)理軟土常(chang)用(yong)的方法是強夯。強夯置換法對(dui)于適合(he)強夯的環境稍微寬(kuan)松一點，適合(he)高飽(bao)和度的淤泥，對(dui)地基的變形控制不會(hui)太嚴格。在設(she)計之(zhi)前，不能(neng)省略(lve)現(xian)場實驗，這是為了對(dui)其性(xing)能(neng)有一個大致的把握。

擠(ji)密(mi)(mi)樁(zhuang)(zhuang)基施(shi)工(gong)(gong)(gong)(gong)，灰(hui)土(tu)(tu)擠(ji)密(mi)(mi)樁(zhuang)(zhuang)施(shi)工(gong)(gong)(gong)(gong)，環保擠(ji)密(mi)(mi)樁(zhuang)(zhuang)施(shi)工(gong)(gong)(gong)(gong)，水泥土(tu)(tu)擠(ji)密(mi)(mi)樁(zhuang)(zhuang)施(shi)工(gong)(gong)(gong)(gong)，素土(tu)(tu)擠(ji)密(mi)(mi)樁(zhuang)(zhuang)施(shi)工(gong)(gong)(gong)(gong)，夯擴擠(ji)密(mi)(mi)樁(zhuang)(zhuang)施(shi)工(gong)(gong)(gong)(gong)，沉管擠(ji)密(mi)(mi)樁(zhuang)(zhuang)施(shi)工(gong)(gong)(gong)(gong)，強(qiang)夯地基施(shi)工(gong)(gong)(gong)(gong)，碎石(shi)擠(ji)密(mi)(mi)樁(zhuang)(zhuang)施(shi)工(gong)(gong)(gong)(gong)，擠(ji)密(mi)(mi)螺紋樁(zhuang)(zhuang)施(shi)工(gong)(gong)(gong)(gong)，鉆孔灌注樁(zhuang)(zhuang)施(shi)工(gong)(gong)(gong)(gong)，軟土(tu)(tu)地基施(shi)工(gong)(gong)(gong)(gong)，灰(hui)土(tu)(tu)樁(zhuang)(zhuang)施(shi)工(gong)(gong)(gong)(gong)，我公(gong)司主營：擠(ji)密(mi)(mi)樁(zhuang)(zhuang)施(shi)工(gong)(gong)(gong)(gong)，擠(ji)密(mi)(mi)樁(zhuang)(zhuang)工(gong)(gong)(gong)(gong)程(cheng)

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強夯施工現場監控要求有哪些？

強夯(hang)(hang)(hang)法(fa)用大噸(dun)位(wei)(10～40t)夯(hang)(hang)(hang)錘，反復起(qi)吊(diao)至高處(6～30m)使其自由下落，給地基(ji)(ji)以沖擊和振動能量，將地基(ji)(ji)土(tu)夯(hang)(hang)(hang)實的地基(ji)(ji)處理方法(fa)。

1、開夯前檢(jian)查錘(chui)重和(he)落距，以確保(bao)的單擊夯擊能量(liang)符合設計要求;

2、強夯(hang)施工過程中，按照(zhao)要求記錄下每次夯(hang)擊(ji)(ji)時候夯(hang)錘重量(liang)，落(luo)距、夯(hang)點(dian)間距、填筑路(lu)基(ji)高度、夯(hang)擊(ji)(ji)面積、每坑的夯(hang)擊(ji)(ji)點(dian)數，并(bing)用水準儀檢測(ce)并(bing)記錄每錘夯(hang)擊(ji)(ji)沉降量(liang)。每批夯(hang)擊(ji)(ji)完成后，測(ce)量(liang)場地的夯(hang)沉量(liang)并(bing)做好記錄。

3、在(zai)每遍(bian)夯擊前，對(dui)夯點放(fang)線進行復核(he)，夯完后檢查夯坑位置(zhi)，發現偏(pian)差(cha)或漏(lou)夯應及時糾(jiu)正(zheng);

4、施工(gong)期間(jian)應對高(gao)填方路基邊坡的穩定(ding)性進(jin)行(xing)(xing)動態監測，如遇險情，則應立即停止施工(gong)，另行(xing)(xing)采取相應措(cuo)施處理。

施工(gong)觀(guan)(guan)測(ce)位(wei)(wei)移(yi)樁埋(mai)設于(yu)路(lu)肩下(xia)的路(lu)基(ji)頂面及(ji)路(lu)堤平臺(tai)和路(lu)堤坡(po)腳(jiao)外1米(mi)位(wei)(wei)置(zhi)，每(mei)隔50米(mi)布置(zhi)，施工(gong)觀(guan)(guan)測(ce)頻率：一般(ban)情況，每(mei)10天觀(guan)(guan)測(ce)一次，要求雨(yu)后1-5天，每(mei)天觀(guan)(guan)測(ce)一次。變形觀(guan)(guan)測(ce)包括水平位(wei)(wei)移(yi)觀(guan)(guan)測(ce)及(ji)高(gao)程觀(guan)(guan)測(ce)，使用全站儀進行觀(guan)(guan)測(ce)。