某公路SU-瀝青上面層監(jiān)理總結(jié)

改建工程標(biāo)SUP-13上面層試鋪段總結(jié)報(bào)告段改建工程監(jiān)理組二〇〇九年四月二十八日瀝青上面層首件總監(jiān)辦總結(jié)一、概況：改建工程標(biāo)，由工程有限公司標(biāo)項(xiàng)目經(jīng)理部承建，瀝青上面層設(shè)計(jì)為厚4.0cm的SUP-13型瀝青砼。為了貫徹執(zhí)行公路工程首件制度，在上級(jí)領(lǐng)導(dǎo)指導(dǎo)下，施工單位一起于4月22日上午10點(diǎn)28分開始到下午2點(diǎn)08分在主線進(jìn)了瀝青上面層K818+950-K819+400右幅，長(zhǎng)400m的試驗(yàn)段的試鋪，總監(jiān)辦管理人員全過程檢測(cè)檢查，現(xiàn)評(píng)述如下：二、試鋪過程：（一）拌和場(chǎng)：1、原材料：試驗(yàn)段開工前，所用礦粉、瀝青及1～4＃料均經(jīng)過施工單位自檢、監(jiān)理組和總監(jiān)辦抽查。表1密度試驗(yàn)結(jié)果匯總表（目標(biāo)）礦料表觀相對(duì)密度毛體積相對(duì)密度吸水率（%）1#料2.8822.8040.962#料2.8892.7991.113#料2.9132.7761.74#料2.6982.6340.9礦粉2.718//瀝青1.028表2密度試驗(yàn)結(jié)果匯總表（生產(chǎn)）礦料表觀相對(duì)密度毛體積相對(duì)密度吸水率（%）1#料2.8722.8150.732#料2.8702.7761.193#料2.8742.7601.434#料2.7852.6981.15礦粉2.722//瀝青1.025表3集料料堆的篩分結(jié)果（目標(biāo)）篩孔集料篩率1#（27）78.510.40.80.80.60.60.60.60.62#（30）100.099.04.60.80.80.80.80.80.83#（13）100.099.576.05.22.01.21.01.00.84#（26）100.0100.0100.081.053.432.019.413.09.5礦粉（4）100.010010010010010097.390.581.6表4集料料堆的篩分結(jié)果（生產(chǎn)）篩孔集料篩率1#（26）80.210.41.20.80.80.80.80.80.82#（32）100.096.85.41.21.00.80.80.80.83#（10）100.099.968.34.01.81.41.31.20.94#（28.5）100.0100.0100.087.4.063.332.4145.84.9礦粉（3.5）100.010010010010010097.690.882.12、拌和設(shè)備：拌和采用一套英國(guó)ACP-4000型間歇式瀝青混合料拌和設(shè)備，嚴(yán)格檢查了拌和設(shè)備的運(yùn)行情況和計(jì)量的精確度。3、拌和：嚴(yán)格按照確定的配合比生產(chǎn)，控制拌和時(shí)間，確保出料溫度，指導(dǎo)意見要求混合料正常出場(chǎng)溫度165-175度，超過190度廢棄，杜絕花白料、結(jié)塊及離析等現(xiàn)象。4、出料及運(yùn)輸：根據(jù)運(yùn)距投入50T左右的運(yùn)料車15輛以滿足拌和機(jī)出料和攤鋪需要，接料時(shí)按要求分前、后、中進(jìn)行三次裝料，并加蓋雙層油布保溫設(shè)施。運(yùn)輸前汽車車廂清理干凈，為防止瀝青粘在車廂上，派專人在車廂內(nèi)壁涂一層隔離液。（二）攤鋪現(xiàn)場(chǎng)：1、測(cè)量放線：根據(jù)中樁測(cè)放樁位，上面層采用超聲波平衡梁來(lái)控制標(biāo)高、厚度和橫坡，有專門人員檢查厚度等指標(biāo)。2、瀝青下面層清查處理：采取了人工清掃再用森林滅火器吹塵，污染地方特別處理，直到表面潔凈，然后噴灑粘層（經(jīng)現(xiàn)場(chǎng)查看運(yùn)料車未發(fā)生起皮），并路緣石涂刷粘層。3、設(shè)備組合：混合料的攤鋪采用兩臺(tái)ABG423型攤鋪機(jī)梯隊(duì)攤鋪，縱縫采用熱接縫，兩臺(tái)攤鋪機(jī)的攤鋪寬度為5.5m和5.75m，中間熨平板重疊20cm。兩機(jī)間距5-10m，縱縫采用熱接縫.4、攤鋪：施工時(shí)按擬定攤鋪速度行走，10點(diǎn)28分開始攤鋪，2點(diǎn)08分結(jié)束攤鋪，實(shí)際用了2小時(shí)40分鐘。兩臺(tái)攤鋪機(jī)的攤鋪寬度分別為5.5m和5.75m，中間熨平板重疊10-20cm。5、溫度檢測(cè)：采用數(shù)字顯示插入式熱電偶溫度計(jì)檢測(cè)瀝青混合料各階段溫度，包括到場(chǎng)、初壓、終壓、開放交通，插入深度均大于150mm，試鋪段實(shí)際到場(chǎng)溫度168～178度，最低168度，攤鋪溫度162～165度，最低162度；初壓溫度為152～158度，最低152度；碾壓終了表面溫度94～98度，最低為94度，均能滿足指導(dǎo)意見要求。6、碾壓共設(shè)置兩套碾壓方案，初壓、復(fù)壓、終壓均為緊跟套壓，銜接緊密。方案一：（K819+400-K819+200）碾壓碾壓方式壓路機(jī)型號(hào)遍數(shù)速度(Km/h))振級(jí)振動(dòng)重疊寬度(cm)初壓兩臺(tái)壓路機(jī)各跟隨隨一臺(tái)攤鋪機(jī)機(jī)碾壓CC522雙鋼輪輪振動(dòng)23弱振第一遍前靜后振；；第二遍前后后振15-20CC522雙鋼輪輪振動(dòng)23弱振15-20復(fù)壓兩臺(tái)膠輪各隨一臺(tái)臺(tái)攤鋪機(jī)碾壓壓XP-301膠輪輪34靜壓------1/2輪寬XP-301膠輪輪34靜壓------1/2輪寬終壓全斷面碾壓CC522雙鋼輪輪振動(dòng)25靜壓------1/3輪寬方案二:(K819+200-818+950)碾壓碾壓方式壓路機(jī)型號(hào)遍數(shù)速度(Km/h))振級(jí)振動(dòng)重疊寬度(cm)初壓兩臺(tái)壓路機(jī)各跟隨隨一臺(tái)攤鋪機(jī)機(jī)碾壓CC522雙鋼輪輪振動(dòng)23弱振第一遍前靜后振；；第二遍前后后振15-20CC522雙鋼輪輪振動(dòng)23弱振15-20復(fù)壓兩臺(tái)膠輪各隨一臺(tái)臺(tái)攤鋪機(jī)碾壓壓；另一臺(tái)攤攤鋪機(jī)全幅碾碾壓XP-301膠輪輪34靜壓------1/2輪寬XP-301膠輪輪34靜壓------1/2輪寬XP-301膠輪輪14靜壓------1/2輪寬終壓全斷面碾壓CC522雙鋼輪輪振動(dòng)25靜壓------1/3輪寬碾壓時(shí)，混合料基本無(wú)推移起浪現(xiàn)象，碾壓有序，碾壓過程中對(duì)膠輪壓路機(jī)安排了專人用拖把抹涂色拉油，防止粘輪。（三）試驗(yàn)成品檢測(cè)：上面層試驗(yàn)段全部檢測(cè)項(xiàng)目于3月25日全部結(jié)束，對(duì)其壓實(shí)度、高程、厚度、橫坡、寬度、滲水系數(shù)、平整度等項(xiàng)目進(jìn)行了檢測(cè)，結(jié)果如下：1、碾壓方案一（K819+400-K819+200右幅）施工段落共取芯樣6個(gè)點(diǎn)，馬氏壓實(shí)度極大值為101.1，極小值為98.1，平均值99.2。理論相對(duì)密度壓實(shí)度極大值為96.0，極小值為93.1，平均值94.2。樁號(hào)橫距層次密度(g/cm33)標(biāo)準(zhǔn)馬氏密度(gg/cm3)旋轉(zhuǎn)壓實(shí)密度(gg/cm3)最大理論密度(gg/cm3)標(biāo)準(zhǔn)馬氏密度壓實(shí)實(shí)度(%)旋轉(zhuǎn)壓實(shí)密度壓實(shí)實(shí)度(%)最大理論密度壓實(shí)實(shí)度(%)K819+20008.25上面層2.4172.4592.4842.59198.397.393.3K819+25004.50上面層2.4492.4592.4842.59199.698.694.4K819+30000.75上面層2.4172.4592.4842.59198.397.393.3K819+300010.25上面層2.4852.4592.4822.589101.1100.196.0K819+35000.75上面層2.4572.4592.4822.58999.999.094.9K819+35008.25上面層2.4112.4592.4822.58998.197.193.12、碾壓方案二（K819+200-818+950右幅）施工段落共取芯樣6個(gè)點(diǎn)，馬氏壓實(shí)度極大值為99.6，極小值為98.3，平均值98.7；理論相對(duì)密度壓實(shí)度極大值為94.5，極小值為93.3，平均值93.7。樁號(hào)橫距層次密度(g/cm33)標(biāo)準(zhǔn)馬氏密度(gg/cm3)旋轉(zhuǎn)壓實(shí)密度(gg/cm3)最大理論密度(gg/cm3)標(biāo)準(zhǔn)馬氏密度壓實(shí)實(shí)度(%)旋轉(zhuǎn)壓實(shí)密度壓實(shí)實(shí)度(%)最大理論密度壓實(shí)實(shí)度(%)K819+05004.50上面層2.4162.4592.4842.59198.397.393.3K819+05008.25上面層2.4492.4592.4842.59199.698.694.5K819+10000.75上面層2.4182.4592.4822.58998.397.493.4K819+15008.25上面層2.4392.4592.4822.58999.298.394.2K819+150010.25上面層2.4242.4592.4822.58998.697.793.6K819+20008.25上面層2.4172.4592.4822.58998.397.493.43、厚度共檢測(cè)14點(diǎn)，極大值為4.2，極小值3.8，平均值4.0,代表值4.0。檢測(cè)樁號(hào)距中分帶（m）碾壓方式最大理論密度壓實(shí)度（％）上面層厚度（cm）K819＋05004.50碾壓方式293.34.0K819＋050010.393.44.2K819＋10000.7593.44.0K819＋10008.2594.64.1K819＋15008.2594.24.0K819＋150010.2593.63.8K819＋20008.25碾壓方式193.44.2K819＋200010.2593.34.2K819＋25004.5094.64.0K819＋25008.2593.24.1K819＋30000.7593.43.9K819＋300010.2596.03.9K819＋35000.7594.94.0K819＋35004.5093.14.24、高程、橫坡、寬度、松鋪系數(shù)1）松鋪、橫坡方法一樁號(hào)位置松鋪前讀數(shù)（m）松鋪后讀數(shù)（m）壓實(shí)后讀數(shù)（m）松鋪厚度（cm）壓實(shí)厚度（cm）松鋪系數(shù)橫坡k819+4000右37.6547.7037.6960.0490.0421.161.6567.6197.6697.6620.0500.0431.1797.5567.6047.5970.0480.0411.18K819+3900右37.6047.6747.6650.0700.0611.141.9767.5707.6387.6290.0680.0591.1597.5037.5547.5470.0510.0441.15k819+3800右37.5297.5777.5700.0480.0411.161.5367.5017.5487.5410.0470.041.1797.4327.4857.4780.0530.0461.16k819+3700右37.4697.5147.5080.0450.0391.151.5367.4407.4887.4810.0480.0411.1697.3727.4237.4160.0510.0441.15k819+3600右37.4047.4537.4470.0490.0431.141.767.3777.4257.4190.0480.0421.1597.3027.3527.3450.0500.0431.17k819+3500右37.3377.3857.3780.0480.0411.181.7367.3007.3497.3420.0490.0421.1697.2317.2807.2740.0490.0431.15k819+3400右37.2577.3157.3070.0580.051.151.6867.2257.2747.2680.0490.0431.1397.1627.2147.2060.0520.0441.17k819+3300右37.2047.2567.2500.0520.0461.141.6867.1697.2197.2130.0500.0441.1497.1097.1557.1490.0460.041.16k819+3200右37.1367.1907.1830.0540.0471.141.767.1047.1557.1470.0510.0431.1897.0417.0877.0810.0460.041.16k819+3100右37.0697.1197.1110.0500.0421.181.7767.0397.0857.0790.0460.041.1596.9637.0127.0050.0490.0421.17k819+3000右36.9847.0347.0270.0500.0431.171.7766.9447.0006.9910.0560.0471.1996.8826.9276.9210.0450.0391.16方法二樁號(hào)位置松鋪前讀數(shù)（m）松鋪后讀數(shù)（m）壓實(shí)后讀數(shù)（m）松鋪厚度（cm）壓實(shí)厚度（cm）松鋪系數(shù)橫坡k819+2000右36.2276.2846.2750.0570.0481.190.2166.1816.2346.2260.0530.0451.1896.1066.1586.1510.0520.0451.16K819+1900右36.1676.2156.2080.0480.0411.180.2166.1156.1606.1540.0450.0391.1696.0426.0916.0830.0490.0411.20k819+1800右36.1066.1576.1490.0510.0431.190.2166.0526.1036.0950.0510.0431.1995.9806.0346.0260.0540.0461.18k819+1700右36.0616.1096.1020.0480.0411.160.2166.0106.0596.0510.0490.0411.2095.9365.9865.9780.0500.0421.19k819+1600右36.0276.0766.0680.0490.0411.190.2165.9806.0316.0230.0510.0431.1895.9025.9525.9450.0500.0431.16k819+1500右35.9766.0306.0220.0540.0461.180.2165.9225.9715.9630.0490.0411.1995.8575.9065.8980.0490.0411.20k819+1400右35.9205.9705.9620.0500.0421.190.2165.8625.9095.9010.0470.0391.2095.7985.8445.8380.0460.0401.16k819+1300右35.8725.9195.9120.0470.0401.171.8265.8205.8695.8610.0490.0411.2095.7605.8115.8030.0510.0431.19k819+1200右35.8265.8765.8690.0500.0431.161.8565.7765.8245.8180.0480.0421.1595.7175.7665.7580.0490.0411.20k819+1100右35.7975.8465.8380.0490.0411.191.9265.7405.7895.7820.0490.0421.1795.6825.7295.7230.0470.0411.15k819+1000右35.7625.8085.8010.0460.0391.181.8565.7115.7605.7520.0490.0411.2095.6475.6985.6900.0510.0431.19經(jīng)計(jì)算方法一的碾壓組合的松鋪系數(shù)為1.16,碾壓組合二的松鋪系數(shù)為1.18,但碾壓方法二的橫坡控制的更好.2）高程方法一樁號(hào)水準(zhǔn)點(diǎn)編號(hào)實(shí)測(cè)高程設(shè)計(jì)高程偏差備注F989-18.711K819+4000右37.6967.710-0.01467.6627.6500.01297.5977.5900.007K819+3900右37.6657.6580.00767.6297.6080.02197.5477.548-0.001K819+3800右37.5707.606-0.03667.5417.546-0.00597.4787.486-0.008K819+3700右37.5087.542-0.03467.4817.482-0.00197.4167.422-0.006K819+3600右37.4477.477-0.03067.4197.4170.00297.3457.357-0.012K819+3500右37.3787.404-0.02567.3427.344-0.00297.2747.284-0.010K819+3400右37.3077.330-0.02367.2687.270-0.00297.2067.210-0.004K819+3300右37.2507.256-0.00667.2137.1960.01797.1497.1360.013K819+3200右37.1837.1820.00167.1477.1220.02597.0817.0620.019K819+3100右37.1117.1080.00367.0797.0480.03197.0056.9880.017K819+3000右37.0277.034-0.00766.9916.9740.01796.9216.9140.007方法二樁號(hào)水準(zhǔn)點(diǎn)編號(hào)實(shí)測(cè)高程設(shè)計(jì)高程偏差備注F989-17.676K819+2000右36.2756.298-0.02366.2266.238-0.01296.1516.178-0.027K819+1900右36.2086.234-0.02666.1546.174-0.02096.0836.114-0.031K819+1800右36.1496.169-0.02066.0956.109-0.01496.0266.049-0.023K819+1700右36.1026.111-0.00966.0516.0510.00095.9785.991-0.013K819+1600右36.0686.0530.01566.0235.9930.03095.9455.9330.012K819+1500右36.0226.0030.01965.9635.9430.02095.8985.8830.015K819+1400右35.9625.9520.01065.9015.8920.00995.8385.8320.006K819+1300右35.9125.9090.00365.8615.8490.01295.8035.7890.014K819+1200右35.8695.8650.00465.8185.8050.01395.7585.7450.013K819+1100右35.8385.8290.00965.7825.7690.01395.7235.7090.014K819+1000右35.8015.7930.00865.7525.7330.01995.6905.6730.0176.5236.524-0.001寬度共檢測(cè)10點(diǎn),分別為:11.30,.31,11.28,11.29,11.32,11.26,11.29,11.29.11.30,均大于設(shè)計(jì)寬度.5、滲水系數(shù)共檢測(cè)20點(diǎn)，其中碾壓方式一：10點(diǎn)有6點(diǎn)滲水不合格，而碾壓方式二：10點(diǎn)僅有1點(diǎn)不合格。檢測(cè)樁號(hào)距中分帶（m）碾壓方式滲水系數(shù)（ml//min）K819＋00004.5碾壓方式2127.3K819＋02009.50K819＋05003.00K819＋07002.06.0K819＋08006.50K819＋10009.50K819＋12009.50K819＋14002.020.0K819＋17009.50K819＋19003.020.0K819＋21008.5碾壓方式186.0K819＋22004.044.0K819＋250010.0168.0K819＋27003.5124.0K819＋29007.589.3K819＋30003.5210.5K819＋31551.522.7K819＋32559.521.3K819＋35002.08.0K819＋36668.0187.86、平整度用連續(xù)式平整度儀檢測(cè)，分別為0.43,0.32,0.34,0.37,0.30,0.38,0.37,0.44,滿足指導(dǎo)意見的規(guī)范要求。7、通過以上試驗(yàn)檢測(cè)結(jié)果分析，建議采用碾壓方式二。三、結(jié)論及建議：根據(jù)施工現(xiàn)場(chǎng)的施工情況和對(duì)試驗(yàn)段檢測(cè)數(shù)據(jù)分析，本次試驗(yàn)段施工應(yīng)該是成功的。瀝青混合料質(zhì)量較好，試驗(yàn)段實(shí)體質(zhì)量較好(碾壓方式二)。經(jīng)總監(jiān)辦研究認(rèn)為項(xiàng)目部在本次試驗(yàn)段施工過程做得較好的方面有：1、項(xiàng)目部、監(jiān)理組高度重視，在施工前進(jìn)行認(rèn)真的施