路基試驗(yàn)段總結(jié)

d報(bào)告為全面展開路基土方填筑施工，我分部在K54+365~K54+565段進(jìn)行了做土方填筑試驗(yàn)。層(17-18層)，均為土方填筑。在路基填方試驗(yàn)段施工方案指導(dǎo)下，我分部已成功完成了該屬試驗(yàn)段的目的(一)通過本試驗(yàn)段施工，摸索并總結(jié)出一套路基土方填筑施工最合理的施工組織和施工工藝，并總結(jié)出如何依據(jù)招標(biāo)文件的技術(shù)及質(zhì)量標(biāo)準(zhǔn)進(jìn)行規(guī)范的程序管理方法和質(zhì)量控制(二)通過本試驗(yàn)段施工，摸索并總結(jié)低洼農(nóng)種區(qū)路基床的降排水、清表及填前碾壓、回填及碾壓、土方填筑適宜的松鋪厚度、不同自然條件下最佳碾壓機(jī)械設(shè)備組合、最合適的碾壓遍數(shù)和碾壓速度。施工參數(shù)，指導(dǎo)全線路基土方填筑施工并達(dá)到技術(shù)質(zhì)量標(biāo)準(zhǔn)。工安排(一)試驗(yàn)段管理及施工人員配備表12技術(shù)負(fù)責(zé)人3現(xiàn)場(chǎng)技術(shù)負(fù)責(zé)人4現(xiàn)場(chǎng)施工負(fù)責(zé)人5施工安全負(fù)責(zé)人6測(cè)量負(fù)責(zé)人7試驗(yàn)負(fù)責(zé)人(二)試驗(yàn)段施工主要機(jī)械及設(shè)備配置表稱序d123456789套321211112(三)施工準(zhǔn)備：(1)試驗(yàn)室標(biāo)準(zhǔn)試驗(yàn)成果匯總表(包括填料的重型擊實(shí)，CBR，塑、液限，含水率，顆粒分析等)，詳見附件。(1)試驗(yàn)段相應(yīng)施工、管理人員組織安排已均全部到位到位；(2)試驗(yàn)段施工機(jī)械配備全部就緒；(3)已打通通往試驗(yàn)段的施工便道。劃工期：2011年1月23日-2011年3月15日。(一)測(cè)量放樣(二)清表d(三)填前壓實(shí)1.根據(jù)土壤干濕情況，適當(dāng)晾曬或?yàn)⑺幚?，在監(jiān)理認(rèn)可后進(jìn)行填前碾壓，直至壓實(shí)度驗(yàn)d(四)路基填筑(1)填前碾壓經(jīng)監(jiān)理工程師檢驗(yàn)達(dá)到要求后，方可開始93區(qū)土方填筑。首先由測(cè)量隊(duì)伍用 (3)填筑采用縱向全斷面水平填筑，寬度比設(shè)計(jì)寬度每側(cè)寬50cm。(五)標(biāo)高、松鋪系數(shù)及平整度填料松鋪厚度頂標(biāo)高進(jìn)行復(fù)核。)/(壓實(shí)后高程-原地面或下承層高程)。，平地機(jī)精平和人工修補(bǔ)相集合的施工工藝。(六)碾壓及壓實(shí)度d(2)填料經(jīng)過晾曬，經(jīng)檢測(cè)含水率在最佳含水率±2%時(shí)開始輾壓；(4)輾壓時(shí)先慢后快、先輕后重、由兩側(cè)至中間、輪跡重疊1/3、最大速度不超過2km/h，圓柱體)；(3)每層輾壓開始后，試驗(yàn)工程師在振動(dòng)輾壓第二遍過后，每碾壓一遍檢測(cè)一次壓實(shí)度和d(一)壓實(shí)度及含水率(表一)序號(hào)123層數(shù)67890.6/16.590.0/16.789.4/17.090.6/16.46/1190.6/16.090.6/16.389.4/17.090.66/16.389.4/17.090.6/16.190.6/16.590.6/16.389.4/17.091.1/16.191.7/15.6192.2/15.691.1/16.591.7/16.591.7/17.091.7/15.591.1/16.391.1/17.092.2/15.991.7/16.591.7/16.591.7/16.091.7/17.591.7/16.391.7/17.092.2/15.991.1/17.591.7/16.592.2/16.592.8/16.392.8/17.092.8/15.993.3/17.592.8/16.392.8/17.092.2/17.592.8/16.392.2/17.093.3/15.992.8/17.592.2/16.393.3/17.092.8/17.592.8/16.393.3/17.093.3/15.992.8/17.592.2/16.3碾壓第五遍碾壓第六遍壓實(shí)度/含壓實(shí)度/含水量水量93.3/15.693.9/16.693.9/15.193.3/16.094.4/15.794.4/16.693.3/16.993.9/15.694.4/16.693.3/16.193.9/16.094.4/15.794.4/16.693.3/16.994.4/15.693.3/16.693.9/17.194.4/16.093.3/15.793.3/16.6d9090.6/16.490.6/16.389.4/17.0/17.091.7/17.591.7/16.391.7/17.0/17.093.3/17.592.8/16.392.8/17.094.4/16.093.3/16.693.9/16.149.1/16.08992.2/15.991.7/17.592.8/15.992.2/17.594.4/16.093.3/15.791.7/16.592.8/16.393.9/16.6.6/16.191.1/17.092.292.2/17.093.393.3/16.994.4據(jù)上表分析：第二遍壓實(shí)后壓實(shí)度平均為90.3；第三遍壓實(shí)后壓實(shí)度平均為91.7；第，1290.5/111.389.4/11.190.5/111.389.4/12.090.0/10.991.0/10.590.5/11.91.5/11.491.5/11.391.0/12.092.0/101.391.5/11.691.0/12.092.0/11.491.5/11.591.5/11.391.5/11.092.0/101.491.0/12.192.5/11.692.0/11.392.5/12.092.5/10.992.5/11.593.0/11.393.0/12.092.0/10.993.0/11.693.0/11.392.5/12.092.5/11.993.0/12.193.5/11.693.5/10.693.0/11.194.0/121.794.5/11.693.5/10.993.0/12.193.0/11.693.5/11.693.0/12.194.0/121.795.1/11.394.5/11.694.5/11.894.0/111.595.1/111.294.5/12.294.0/11.394.5/11.694.0/11.894.5/10.894.5/11.5d/12.01.9/11.61.99/12.04)1290.5/100.389.5/11.0/190.5/111.389.5/11.090.0/11.990.5/10.91.5/11.591.0/11.391.5/12.092.0/101.591.5/10.591.5/12.092.0/11.491.0/11.591.5/10.391.5/11.092.0/111.591.0/11.591.5/11.092.0/11.492.5/9.593.0/10.392.5/11.094.0/10.993.0/10.593.0/11.393.5/11.092.0/9.991.5/10.592.0/10.392.5/9.693.5/11.992.0/11.591.5/10.392.0/10.093.5/10.993.5/11.694.5/10.694.0/10.194.0/10.094.5/9.794.5/10.694.5/10.994.0/10.194.5/111.694.0/10.194.5/1001.694.5/11.994.0/10.195.5/10.395.5/10.695.0/11.895.5/10.896.0/10.595.0/9.696.0/9.295.5/10.395.5/11.695.0/9.895.5/9.896.0/11.595.5/11.695.0/10.295.5/11.296.5/9.596.0/10.696.5/10.096.5/11.396.5/10.796.0/90.396.5/10.096.0/9.596.5/9.696.0/10.096.5/10.396.5/10.796.5/11.196.0/10.396.5/11.0d(二)松鋪系數(shù)(表二)67KKKKKKKK左樁左中樁右中樁右樁左樁左中樁右中樁右樁左樁左中樁右中樁右樁左樁左中樁右中樁右樁左樁左中樁右中樁右樁左樁左中樁右中樁右樁左樁左中樁右中樁右樁左樁左中樁右中樁右樁度(cm)數(shù)7d89區(qū)(區(qū)(14-15層)度(cm)數(shù)dKKKKKKKKKKKdKKKKKKKKK左樁左中樁右中樁右樁左樁左中樁右中樁右樁左樁左中樁右中樁右樁左樁左中樁右中樁右樁左樁左中樁右中樁右樁左樁左中樁右中樁右樁左樁左中樁右中樁右樁左樁左中樁右中樁右樁左樁左中樁度(cm)數(shù)d(一)施工工藝cm系數(shù)為1.16；(3)最適宜的碾壓遍數(shù)：堤(80~150cm之間)施工方案；(0~80cm)施工方案；(4)最合適的碾壓速度：Km/h+時(shí)碾壓效果最佳；(5)含水率：含水率應(yīng)控制在最佳含水率+2%時(shí)開始碾壓效果最好。(二)質(zhì)量保證(1)保證機(jī)