擠(ji)(ji)(ji)(ji)(ji)密(mi)(mi)樁基(ji)施(shi)(shi)工(gong)(gong)(gong)(gong)，灰(hui)土(tu)(tu)(tu)擠(ji)(ji)(ji)(ji)(ji)密(mi)(mi)樁施(shi)(shi)工(gong)(gong)(gong)(gong)，環保擠(ji)(ji)(ji)(ji)(ji)密(mi)(mi)樁施(shi)(shi)工(gong)(gong)(gong)(gong)，山西灰(hui)土(tu)(tu)(tu)擠(ji)(ji)(ji)(ji)(ji)密(mi)(mi)樁施(shi)(shi)工(gong)(gong)(gong)(gong)設備租賃，水泥(ni)土(tu)(tu)(tu)擠(ji)(ji)(ji)(ji)(ji)密(mi)(mi)樁施(shi)(shi)工(gong)(gong)(gong)(gong)，素(su)土(tu)(tu)(tu)擠(ji)(ji)(ji)(ji)(ji)密(mi)(mi)樁施(shi)(shi)工(gong)(gong)(gong)(gong)，夯擴擠(ji)(ji)(ji)(ji)(ji)密(mi)(mi)樁施(shi)(shi)工(gong)(gong)(gong)(gong)，沉管(guan)擠(ji)(ji)(ji)(ji)(ji)密(mi)(mi)樁施(shi)(shi)工(gong)(gong)(gong)(gong)，強夯地基(ji)施(shi)(shi)工(gong)(gong)(gong)(gong)，碎石擠(ji)(ji)(ji)(ji)(ji)密(mi)(mi)樁施(shi)(shi)工(gong)(gong)(gong)(gong)，擠(ji)(ji)(ji)(ji)(ji)密(mi)(mi)螺紋(wen)樁施(shi)(shi)工(gong)(gong)(gong)(gong)，鉆(zhan)孔灌注樁施(shi)(shi)工(gong)(gong)(gong)(gong)，軟土(tu)(tu)(tu)地基(ji)施(shi)(shi)工(gong)(gong)(gong)(gong)，灰(hui)土(tu)(tu)(tu)樁施(shi)(shi)工(gong)(gong)(gong)(gong)，我公司(si)主(zhu)營：擠(ji)(ji)(ji)(ji)(ji)密(mi)(mi)樁施(shi)(shi)工(gong)(gong)(gong)(gong)，擠(ji)(ji)(ji)(ji)(ji)密(mi)(mi)樁工(gong)(gong)(gong)(gong)程

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強(qiang)(qiang)夯(hang)法的(de)(de)施(shi)(shi)工(gong)(gong)(gong)主要(yao)包(bao)括施(shi)(shi)工(gong)(gong)(gong)機(ji)具(ju)和施(shi)(shi)工(gong)(gong)(gong)要(yao)點。隨(sui)著強(qiang)(qiang)夯(hang)技(ji)術的(de)(de)不斷發(fa)展(zhan)，施(shi)(shi)工(gong)(gong)(gong)機(ji)具(ju)由初(chu)期的(de)(de)小型或(huo)自制(zhi)設備(bei)逐(zhu)步(bu)發(fa)展(zhan)到大型的(de)(de)設備(bei)，而且施(shi)(shi)工(gong)(gong)(gong)方法也逐(zhu)漸成熟，加(jia)固效果更加(jia)顯著。

1. 施工機具

1) 履(lv)帶式(shi)吊車。一般采(cai)用15t—50t履(lv)帶式(shi)吊車。

2) 夯錘(chui)。夯錘(chui)質量(liang)可取10—40t，其底面(mian)形(xing)式(shi)宜(yi)(yi)采用圓型。錘(chui)底面(mian)積宜(yi)(yi)按土的性質確定，錘(chui)底靜接地壓(ya)力值可取25—40Kpa，對于細顆粒土錘(chui)底靜壓(ya)力宜(yi)(yi)取較小值。錘(chui)的底面(mian)應對稱設(she)置若干個(ge)與其頂(ding)面(mian)貫通的排氣孔，孔徑可取250—300mm。

3) 脫鉤裝置。采用的(de)自動(dong)脫鉤裝置，規格以滿足起吊(diao)夯(hang)錘重量為(wei)宜。

4) 推土(tu)(tu)機。采(cai)用(yong)70—220型履(lv)帶式推土(tu)(tu)機。

2． 施工要點

1）強夯施工(gong)前，應查明場地范圍(wei)內的地下構建物和各(ge)種地下管線的位置和標高等，并采取必要(yao)措(cuo)施，以免(mian)因強夯施工(gong)而造(zao)成破壞。

2) 當強夯施工(gong)所產生的振(zhen)動，對鄰(lin)近建筑物或(huo)設備產生有害(hai)影響(xiang)時(shi)，應采取(qu)防振(zhen)或(huo)隔振(zhen)措(cuo)施。

3）平整(zheng)施工(gong)場地，測量，記錄(lu)場地的高程。

4）起重(zhong)機就位(wei)(wei)，對準夯點位(wei)(wei)置，測量，記錄夯前錘頂高程。

擠(ji)(ji)密(mi)(mi)樁基施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)，灰土(tu)擠(ji)(ji)密(mi)(mi)樁施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)，環保擠(ji)(ji)密(mi)(mi)樁施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)，水泥土(tu)擠(ji)(ji)密(mi)(mi)樁施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)，素土(tu)擠(ji)(ji)密(mi)(mi)樁施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)，夯擴擠(ji)(ji)密(mi)(mi)樁施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)，沉管擠(ji)(ji)密(mi)(mi)樁施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)，強(qiang)夯地(di)基施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)，碎(sui)石擠(ji)(ji)密(mi)(mi)樁施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)，擠(ji)(ji)密(mi)(mi)螺紋樁施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)，鉆孔灌注(zhu)樁施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)，軟土(tu)地(di)基施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)，灰土(tu)樁施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)，我公(gong)司主營：擠(ji)(ji)密(mi)(mi)樁施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)，擠(ji)(ji)密(mi)(mi)樁工(gong)(gong)(gong)(gong)(gong)程

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碎石樁的質量檢驗：

對飽和粘性土(tu)應待孔隙(xi)水壓力基本消散后進行，間(jian)隔(ge)時間(jian)不(bu)少于1-2周，對其(qi)他土(tu)可在施工(gong)結束后3-5天(tian)進行。

碎石樁(zhuang)的(de)(de)施(shi)工質量檢(jian)驗(yan)采(cai)(cai)用單樁(zhuang)荷載(zai)試(shi)驗(yan)。檢(jian)驗(yan)數(shu)量為樁(zhuang)數(shu)的(de)(de)0.5％，且不少(shao)于2根。對樁(zhuang)體采(cai)(cai)用靜(jing)力(li)觸(chu)(chu)探(tan)或動力(li)觸(chu)(chu)探(tan)進行(xing)隨即(ji)檢(jian)驗(yan)，對樁(zhuang)間(jian)土(tu)可采(cai)(cai)用標準(zhun)貫入，山(shan)西灰(hui)土(tu)擠密(mi)樁(zhuang)施(shi)工廠(chang)家，靜(jing)力(li)觸(chu)(chu)探(tan)或動力(li)觸(chu)(chu)探(tan)等方法進行(xing)檢(jian)測(ce)，檢(jian)測(ce)數(shu)量不得(de)少(shao)于孔樁(zhuang)總數(shu)的(de)(de)2％，以滿足設計要求。

碎石(shi)樁地(di)基(ji)通(tong)過質量檢驗且碎石(shi)樁復合地(di)基(ji)承載力達(da)到(dao)設(she)計要求時既不小(xiao)于(yu)180Kpa，方可進(jin)行(xing)路堤(di)填(tian)筑(zhu)。路堤(di)填(tian)筑(zhu)應嚴格控制填(tian)筑(zhu)速率，控制標(biao)準為：路堤(di)中心(xin)線(xian)地(di)面沉降速率每晝(zhou)夜(ye)不大(da)于(yu)1厘(li)米(mi)，坡腳水平位(wei)移率每晝(zhou)夜(ye)不大(da)于(yu)0.5厘(li)米(mi)。若有(you)異常，應停止或暫(zan)緩填(tian)筑(zhu)。

擠密(mi)(mi)樁(zhuang)基(ji)施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)，灰土(tu)擠密(mi)(mi)樁(zhuang)施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)，山西灰土(tu)擠密(mi)(mi)樁(zhuang)施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)，環保擠密(mi)(mi)樁(zhuang)施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)，水(shui)泥土(tu)擠密(mi)(mi)樁(zhuang)施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)，素土(tu)擠密(mi)(mi)樁(zhuang)施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)，夯擴擠密(mi)(mi)樁(zhuang)施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)，沉管擠密(mi)(mi)樁(zhuang)施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)，強夯地基(ji)施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)，碎石擠密(mi)(mi)樁(zhuang)施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)，擠密(mi)(mi)螺紋樁(zhuang)施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)，鉆(zhan)孔灌(guan)注樁(zhuang)施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)，軟土(tu)地基(ji)施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)，灰土(tu)樁(zhuang)施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)，我公司主營：擠密(mi)(mi)樁(zhuang)施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)，擠密(mi)(mi)樁(zhuang)工(gong)(gong)(gong)程

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混凝土澆注時(shi)導管(guan)進泥

產生原因：

1.初灌混凝土數量不足。

2.導管底(di)距(ju)槽底(di)間距(ju)過(guo)大(da)。

3.導管插入混凝土(tu)內深度不(bu)足。

4.提導(dao)管(guan)過度，泥漿擠入(ru)管(guan)內(nei)。

預(yu)防措(cuo)施和處理方法：

預防：首批混凝(ning)土(tu)應經(jing)計算，保持(chi)足夠數量，導管口離(li)槽底(di)間距(ju)保持(chi)不小(xiao)(xiao)于(yu)1.5D（D為(wei)導管直徑），導管插(cha)入(ru)混凝(ning)土(tu)深度(du)保持(chi)不小(xiao)(xiao)于(yu)1.5m；測定(ding)混凝(ning)土(tu)上升面(mian)，確定(ding)高度(du)后再距(ju)此提拔(ba)導管。

處理：如槽(cao)底(di)混凝(ning)(ning)土深度小(xiao)于0.5m，山西灰(hui)土擠密(mi)樁(zhuang)施工聯(lian)系方式，可重(zhong)新(xin)放隔水塞澆(jiao)混凝(ning)(ning)土，否則(ze)應(ying)將(jiang)導(dao)管提出(chu)，將(jiang)槽(cao)底(di)混凝(ning)(ning)土用空氣吸泥(ni)機清出(chu)，重(zhong)新(xin)澆(jiao)筑混凝(ning)(ning)土，或改用帶活底(di)蓋(gai)導(dao)管插入混凝(ning)(ning)土內，重(zhong)新(xin)澆(jiao)混凝(ning)(ning)土。