擠(ji)(ji)(ji)密(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)基施(shi)(shi)工(gong)(gong)，灰土擠(ji)(ji)(ji)密(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)工(gong)(gong)，環保擠(ji)(ji)(ji)密(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)工(gong)(gong)，水(shui)泥土擠(ji)(ji)(ji)密(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)工(gong)(gong)，素土擠(ji)(ji)(ji)密(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)工(gong)(gong)，夯擴擠(ji)(ji)(ji)密(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)工(gong)(gong)，沉(chen)(chen)管擠(ji)(ji)(ji)密(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)工(gong)(gong)，強夯地基施(shi)(shi)工(gong)(gong)，碎石(shi)擠(ji)(ji)(ji)密(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)工(gong)(gong)，擠(ji)(ji)(ji)密(mi)(mi)(mi)螺紋樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)工(gong)(gong)，鉆孔灌注樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)工(gong)(gong)，軟土地基施(shi)(shi)工(gong)(gong)，灰土樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)工(gong)(gong)，沉(chen)(chen)管擠(ji)(ji)(ji)密(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)工(gong)(gong)方案，我公司主營：擠(ji)(ji)(ji)密(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)工(gong)(gong)，擠(ji)(ji)(ji)密(mi)(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)工(gong)(gong)程

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強夯法加固機理

強夯法適(shi)用于(yu)碎石土(tu)(tu)、砂土(tu)(tu)、低飽和(he)(he)度(du)粉(fen)土(tu)(tu)、粘性(xing)(xing)土(tu)(tu)、濕陷性(xing)(xing)黃土(tu)(tu)、高(gao)回填土(tu)(tu)、雜填土(tu)(tu)等地(di)基加固工程。強夯置換法適(shi)用于(yu)高(gao)飽和(he)(he)度(du)的粉(fen)土(tu)(tu)與軟(ruan)~塑流塑的粘性(xing)(xing)土(tu)(tu)等地(di)基上(shang)對變形(xing)控制要求不嚴的工程。強夯置換法在設計前要通過現場確(que)定其適(shi)用性(xing)(xing)和(he)(he)處理效果。

強夯法加(jia)(jia)固(gu)地(di)基(ji)有(you)三種(zhong)不同的(de)加(jia)(jia)固(gu)機(ji)理(li)：動(dong)力密實、動(dong)力固(gu)結和動(dong)力置換(huan)。取(qu)決于地(di)基(ji)土的(de)類(lei)別和強夯施工(gong)工(gong)藝。

動(dong)力(li)(li)密(mi)實：采用強夯加固多(duo)孔隙、粗(cu)顆粒、非飽和土(tu)是(shi)基于動(dong)力(li)(li)密(mi)實的機理，即用沖擊型動(dong)力(li)(li)荷載，使土(tu)體(ti)中的孔隙減小，土(tu)體(ti)變(bian)得密(mi)實，從而提高地基土(tu)強度。

動(dong)力固(gu)結(jie)(jie)：巨大的(de)(de)沖擊能(neng)量在(zai)土(tu)(tu)中產生很大的(de)(de)應力波，破壞(huai)了土(tu)(tu)體(ti)(ti)原有的(de)(de)結(jie)(jie)構，使土(tu)(tu)體(ti)(ti)局部發生液(ye)化產生許多裂隙，增加了排(pai)水通道(dao)，使孔隙水順利逸出，待超(chao)孔隙水壓(ya)力消散后，土(tu)(tu)體(ti)(ti)固(gu)結(jie)(jie)。由于軟土(tu)(tu)的(de)(de)觸變性，強度得到提高。

動(dong)力置換：①整式置換：將碎(sui)石(shi)整體擠入淤(yu)泥中(zhong)，作(zuo)用機理(li)(li)類(lei)似于(yu)換土(tu)墊層。②樁式置換：形(xing)成樁式或(huo)墩(dun)式的碎(sui)石(shi)墩(dun)或(huo)樁。其作(zuo)用機理(li)(li)類(lei)似于(yu)振沖法等(deng)形(xing)成的碎(sui)石(shi)樁。

擠(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)基(ji)施(shi)(shi)(shi)工(gong)(gong)(gong)，灰(hui)土擠(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)工(gong)(gong)(gong)，環保擠(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)工(gong)(gong)(gong)，水泥(ni)土擠(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)工(gong)(gong)(gong)，素土擠(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)工(gong)(gong)(gong)，夯擴擠(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)工(gong)(gong)(gong)，沉管擠(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)工(gong)(gong)(gong)，強夯地基(ji)施(shi)(shi)(shi)工(gong)(gong)(gong)，原(yuan)平沉管擠(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)工(gong)(gong)(gong)，碎石擠(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)工(gong)(gong)(gong)，沉管擠(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)工(gong)(gong)(gong)報價，擠(ji)(ji)(ji)密(mi)(mi)螺紋樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)工(gong)(gong)(gong)，鉆孔灌注(zhu)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)工(gong)(gong)(gong)，軟土地基(ji)施(shi)(shi)(shi)工(gong)(gong)(gong)，灰(hui)土樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)工(gong)(gong)(gong)，我(wo)公(gong)司主營：擠(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)工(gong)(gong)(gong)，擠(ji)(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)(zhuang)工(gong)(gong)(gong)程

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膠結法施工記(ji)錄要求：

1）高壓(ya)噴射注漿地基、水泥土攪(jiao)拌樁地基在方案(an)確定(ding)后應(ying)進行現場試樁試驗(yan)，并通(tong)過試驗(yan)性施工(gong)或根(gen)據工(gong)程經驗(yan)確定(ding)施工(gong)參數(shu)及控樁標準(zhun)，并做好(hao)記錄(lu)；

2）高壓(ya)噴射注漿地基(ji)在(zai)施(shi)工(gong)(gong)前應檢查(cha)水泥、外摻(chan)劑等(deng)的(de)質量、樁(zhuang)位、壓(ya)力表與流(liu)量表的(de)精度和(he)靈敏度、施(shi)工(gong)(gong)設備(bei)的(de)性能等(deng)，施(shi)工(gong)(gong)中(zhong)應檢查(cha)施(shi)工(gong)(gong)參數及(ji)施(shi)工(gong)(gong)程序，如(ru)實記錄(lu)各項參數和(he)出現(xian)(xian)的(de)異常現(xian)(xian)象(xiang)，施(shi)工(gong)(gong)記錄(lu)，樁(zhuang)體質量及(ji)承載(zai)力檢驗應在(zai)施(shi)工(gong)(gong)結束(shu)后28d進(jin)行(xing)；

3）水(shui)泥(ni)(ni)土攪拌樁(zhuang)(zhuang)地基施工(gong)前應檢查(cha)水(shui)泥(ni)(ni)及(ji)(ji)外摻劑(ji)的質量、樁(zhuang)(zhuang)位、攪拌機工(gong)作性能及(ji)(ji)各種計量設(she)備完好程度(du)(du)，施工(gong)中應檢查(cha)機頭(tou)提升速(su)度(du)(du)、噴漿時間、復攪次數、水(shui)泥(ni)(ni)漿或(huo)水(shui)泥(ni)(ni)注(zhu)入(ru)量、攪拌樁(zhuang)(zhuang)的長度(du)(du)及(ji)(ji)標(biao)高，施工(gong)記(ji)錄，攪拌深度(du)(du)記(ji)錄誤差不得大(da)于50mm，時間記(ji)錄誤差不得大(da)于5s，施工(gong)結束后應檢查(cha)樁(zhuang)(zhuang)體強度(du)(du)、樁(zhuang)(zhuang)體直徑(jing)及(ji)(ji)地基承載(zai)力，強度(du)(du)檢驗應取(qu)90d齡期(qi)的試件。

各類(lei)地基(ji)處理的取樣試驗按有關規范的要求執行。

擠(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)基(ji)施(shi)(shi)工(gong)(gong)(gong)，灰土擠(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)施(shi)(shi)工(gong)(gong)(gong)，環(huan)保(bao)擠(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)施(shi)(shi)工(gong)(gong)(gong)，水(shui)泥(ni)土擠(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)施(shi)(shi)工(gong)(gong)(gong)，素(su)土擠(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)施(shi)(shi)工(gong)(gong)(gong)，夯擴擠(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)施(shi)(shi)工(gong)(gong)(gong)，沉管擠(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)施(shi)(shi)工(gong)(gong)(gong)，強夯地基(ji)施(shi)(shi)工(gong)(gong)(gong)，碎石擠(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)施(shi)(shi)工(gong)(gong)(gong)，擠(ji)(ji)密(mi)(mi)螺紋樁(zhuang)(zhuang)(zhuang)施(shi)(shi)工(gong)(gong)(gong)，鉆(zhan)孔灌注樁(zhuang)(zhuang)(zhuang)施(shi)(shi)工(gong)(gong)(gong)，軟土地基(ji)施(shi)(shi)工(gong)(gong)(gong)，灰土樁(zhuang)(zhuang)(zhuang)施(shi)(shi)工(gong)(gong)(gong)，我公司主營：擠(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)施(shi)(shi)工(gong)(gong)(gong)，擠(ji)(ji)密(mi)(mi)樁(zhuang)(zhuang)(zhuang)工(gong)(gong)(gong)程

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強化高空作業人員管理(li)

施工現場臨時洞口及周邊(bian)要嚴格(ge)按照相關(guan)規(gui)定，使用鋼管、鋼筋等(deng)金屬材料架設安全(quan)(quan)防護欄桿，并(bing)使用合格(ge)的(de)安全(quan)(quan)網進行全(quan)(quan)封閉(bi)，同時要在防護欄桿周邊(bian)設置醒目的(de)預(yu)防高(gao)空墜(zhui)落的(de)安全(quan)(quan)警示(shi)牌(pai)。

登高作業人員必須(xu)配戴防(fang)(fang)(fang)滑鞋、防(fang)(fang)(fang)護手套等(deng)防(fang)(fang)(fang)滑、防(fang)(fang)(fang)凍(dong)裝(zhuang)備(bei)，并按要求(qiu)帶(dai)好安全(quan)帽、系(xi)好安全(quan)帶(dai)。

強化施工用電管理

要(yao)(yao)加強施工現場(chang)(chang)臨時(shi)用(yong)電(dian)(dian)管(guan)理，切實做好(hao)臨時(shi)施工用(yong)電(dian)(dian)和生活用(yong)電(dian)(dian)的(de)安(an)全(quan)防護。對現場(chang)(chang)的(de)配電(dian)(dian)室、配電(dian)(dian)箱及(ji)開(kai)關箱進行的(de)安(an)全(quan)檢(jian)查(cha)，對不符合(he)“三級配電(dian)(dian)兩級保護和一機(ji)一閘一漏(lou)”用(yong)電(dian)(dian)規范的(de)要(yao)(yao)及(ji)時(shi)整改(gai)，對不符合(he)安(an)全(quan)要(yao)(yao)求電(dian)(dian)線(xian)線(xian)路要(yao)(yao)立即更換。要(yao)(yao)認真檢(jian)查(cha)維修漏(lou)電(dian)(dian)保護開(kai)關，確保動(dong)作靈(ling)敏可靠。

強(qiang)化職工(gong)住宿(su)安全管理

要加強對工人(ren)宿(su)舍(she)安全(quan)及穩固性的(de)(de)監控，尤其是要重(zhong)視暴雪(xue)和連續(xu)陰雨天氣后(hou)對宿(su)舍(she)的(de)(de)監控，及時(shi)做(zuo)好宿(su)舍(she)積(ji)雪(xue)的(de)(de)清掃及四周積(ji)水的(de)(de)疏通，發現異(yi)常情況應(ying)立(li)即將宿(su)舍(she)內(nei)的(de)(de)人(ren)員(yuan)撤離至安全(quan)地(di)點，并妥善(shan)安置。同時(shi)，還應(ying)加強對宿(su)舍(she)生活用電(dian)的(de)(de)管理，嚴(yan)禁使用各類大功率電(dian)器和取(qu)暖設(she)備(bei)，嚴(yan)禁在(zai)宿(su)舍(she)內(nei)設(she)置伙房和煤(mei)爐取(qu)暖，嚴(yan)防煤(mei)氣。

強(qiang)化事故應急預案管理

要完善(shan)現場事故應急預案制度，建立冬(dong)季施(shi)工安全生產值班制度，落實搶險救災人員(yuan)(yuan)、機械和物資，一旦發生事故時，能夠(gou)確保、有(you)序地做好(hao)緊(jin)急搶險工作，大限度地減(jian)輕人員(yuan)(yuan)傷(shang)亡和經濟損失。