路面水穩(wěn)基層試驗段施工總結(jié)

1、高安市環(huán)城東路 水泥穩(wěn)定碎石基層試驗段施工方案 目錄 一、編制依據(jù)2二、編制原則2三、工程概述3四、編制目的3五、施工組織3六、材料采備和控制4七、水泥穩(wěn)定碎石配合比設(shè)計5八、施工準備5九、施工放樣6十、中心站集中加工、運輸、攤鋪、碾壓、接茬施工7十一、質(zhì)量控制標準8十二、試驗數(shù)據(jù)的整理和結(jié)果10十三、試驗結(jié)論12水泥穩(wěn)定碎石基層試驗段施工總結(jié)一、編制依據(jù)1、高安市環(huán)城東路工程施工圖設(shè)計2、城市道路工程設(shè)計規(guī)劃（gjj37-2012）2、公路工程技術(shù)標準（jtgb01-2003）3、公路路面基層施工技術(shù)規(guī)范（jtj034-2006）4、公路土工試驗規(guī)程（jtge40-2007）5、公路工程集料

2、試驗規(guī)程（jtge042-2005）6、公路路基路面現(xiàn)場測試規(guī)程（jtj059-2008）7、公路工程質(zhì)量檢驗評定標準（jtg f80/1-2004）8、公路工程施工安全技術(shù)規(guī)程（jtj076-95）二、編制原則（一）、遵守招標文件要求的原則（二）、確保工期的原則（三）、確保質(zhì)量創(chuàng)優(yōu)的原則（四）、安全第一、預防為主的原則（五）、科學管理的原則（六）、文明施工的原則（七）、降低工程成本的原則（八）、環(huán)境保護的原則（九）、建立高效的組織機構(gòu)、加強施工現(xiàn)場管理的原則（十）、遵照執(zhí)行設(shè)計標準和施工規(guī)范的原則三、工程概述本項目建設(shè)地點位于高安市城區(qū)東側(cè)，是連接高鐵大道與環(huán)城南路的一條環(huán)城道路，也是拉大高

3、安市城市框架的重點項目。道路北起高鐵大道，終點至老環(huán)城南路與942鄉(xiāng)道交叉口，路線交于前進大道、跨新320國道、與瑞陽大道平交。本合同段起訖樁號(k0+000k11+257.093)主要技術(shù)指標如下：全線采用一級公路標準，設(shè)計行車速度60公里/小時，路基寬度49米，橫坡為2%，水泥穩(wěn)定碎石基層 ：400409m2?；鶎庸苍O(shè)3層，自下而上分別為18cm3.5%水泥穩(wěn)定碎石下基層、18cm5%水泥穩(wěn)定碎石上基層、18cm5%水泥穩(wěn)定碎石上基層，采用骨架密實型，基層集料壓碎值26，5%水泥穩(wěn)定碎石上基層7天無側(cè)限抗壓強度3.2mpa，3.5%水泥穩(wěn)定碎石7天無側(cè)限抗壓強度2.8mpa，同時水穩(wěn)中水泥

4、含量不應(yīng)超過5%，計劃2013年11月30開工到2014年1月30日完工。四、編制目的 通過試驗段的施工確定不同機具壓實合格填料的最佳含水量、適宜的松鋪厚度和相應(yīng)的碾壓遍數(shù)，最佳的機械組合來指導全線的路面水泥穩(wěn)定碎石基層施工?，F(xiàn)結(jié)合項目部的機械設(shè)備情況來制定如下施工方案。并通過試驗段確定工藝參數(shù)。五、施工組織1：主要施工機械一覽表序號設(shè)備名稱型號規(guī)格數(shù)量國別產(chǎn)地制造年份額定功率（kw）生產(chǎn)能力用于施工部位備 注1裝載機lg8535福建2010162kw3m3路面完好率98%2振動壓路機yz202中聯(lián) 重科2011141kw20t路面完好率94%3發(fā)電機組gf502成都2011100kw100k

5、w路面完好率98%4膠輪壓路機xp3012徐工2011110kw15t路面完好率93%5自卸汽車cq1253tlg43410重慶2010177kw15t路面完好率93%6 攤鋪機sp88202鄭州2012140kw7-9.5m路面完好率93%7 水穩(wěn)拌和設(shè)備wcb5001西安2013147kw500t/h路面完好率100%2：主要人員一覽表序號工種人數(shù)工作內(nèi)容1現(xiàn)場管理6負責施工現(xiàn)場的技術(shù)管理以及機械及人工安排。2測量10負責對擬鋪路段的施工測量工作，以及施工中的測量控制。3試驗4負責擬鋪路段的相關(guān)試驗4穩(wěn)拌站30人5民工15人六、材料采備和控制主要生產(chǎn)材料包括：0-4.75mm,4.75-9

6、.5mm,9.5-19mm，,19-31.5mm四種規(guī)格的碎石。所需原材料的石料強度經(jīng)過檢查全部合格，加工出來的各級材料都必須經(jīng)過試驗檢測合格，有機質(zhì)不能大于2%,才能投入使用。此外在運輸和儲存過程中應(yīng)加強管理，使材料不會變質(zhì)、不被污染。1、材料規(guī)格：0-4.75mm,4.75-9.5mm,9.5-19mm,19-31.5mm三種，經(jīng)軋制碎石的材料可以是各種類型的巖石(軟質(zhì)巖石除外)、圓石或礦渣。2、碎石中針片狀顆粒的總含量應(yīng)不超過20。碎石中不應(yīng)有粘土塊、植物等有害物質(zhì)。3、細集料采用專門軋制的細碎石集料。也可以用天然砂礫或粗砂代替石屑。天然砂礫的顆粒尺寸應(yīng)該合適，必要時應(yīng)篩除其中的超尺寸顆

7、粒。天然砂礫或粗砂應(yīng)有較好的級配。水泥穩(wěn)定碎石顆粒級配范圍要求見下表：粒徑（mm）通過下列篩孔（mm）的質(zhì)量百分率（%）31.526.5199.54.752.360.60.075通過百分率（%）10090-10072-8947-6729-4917-358-220-7七、水泥穩(wěn)定碎石配合比設(shè)計1、目標配合比 根據(jù)圖紙設(shè)計及試驗、施工規(guī)范要求，經(jīng)試驗確定目標配合比。2、 生產(chǎn)配合比a、按生產(chǎn)配合比進行試拌，鋪筑試驗段，由此確定生產(chǎn)用的標準配合比。標準配合比一經(jīng)確認，不得隨意改動，如材料確實發(fā)生變化時，需立即上報監(jiān)理、業(yè)主重新認證標準配合比。b、水泥穩(wěn)定碎石已進行檢測，物理指標如下(1)顆粒組成應(yīng)是

8、一根順滑的曲線。（2) 3.5%水泥穩(wěn)定碎石最大干密度為2.32 g/cm3，最佳含水率為 6.0% ；5%水泥穩(wěn)定碎石最大干密度為2.34g/cm3，最佳含水率為5.8%，集料壓碎值26。 （3）5%水泥穩(wěn)定碎石上基層7天無側(cè)限抗壓強度3.2mpa，3.5%水泥穩(wěn)定碎石7天無側(cè)限抗壓強度2.8mpa，水穩(wěn)中水泥含量不應(yīng)超過5%。八、施工準備對k10+525k10+725段路面底基層嚴格按照相關(guān)技術(shù)規(guī)范要求進行驗收，各項檢測指標符合設(shè)計要求，經(jīng)業(yè)主及監(jiān)理批準同意經(jīng)行基層試驗段鋪筑。對施工工人、機械操作手進行全方位培訓，以確保施工時有序地保質(zhì)保量的進行安全文明施工。對施工作業(yè)段派出專人提前采取安

9、全措施、實施有效的交通安全管制。對各種施工機具進行全面檢修，應(yīng)經(jīng)調(diào)試并使其處于良好的性能狀態(tài)。應(yīng)配備有足夠的機械，施工能力需配套，重要機械宜有備用設(shè)備。工藝流程如下：底基層驗收與清理水泥級配碎石水施工放樣拌合機和混合料攤 鋪 機 就 位混合料質(zhì)量檢驗穩(wěn)拌站運輸水泥穩(wěn)定級配碎石攤鋪檢 查 與 修 整碾 壓壓實度高程平整度檢測 養(yǎng) 生 九、施工放樣施工前對鋪筑路段按10m一個斷面進行路線標高及中邊樁測量。各結(jié)構(gòu)層的縱斷面高程（厚度）采用懸掛基線來控制。每間隔20米設(shè)一基準線立柱，彎道處根據(jù)現(xiàn)場情況增加立柱，高程通過懸掛鋼絲控制。為保證鋼絲繃緊，在兩端緊線器上安裝緊繩器，以防止鋼絲下垂影響高程控制。

10、鋼絲基準線懸掛完成后，對基準線進行復測。為保證工程質(zhì)量，攤鋪機操作始終沿灰線行走，根據(jù)鋼絲控制高程。十、中心站集中加工、運輸、攤鋪、碾壓、接茬施工1、水泥穩(wěn)定碎石料在指定石料廠加工，經(jīng)檢測合格運至穩(wěn)拌站。2、不同粒級的碎石和石屑等細集料需隔離，分級分倉堆放。3、水泥穩(wěn)定碎石攪拌由中心站通過電腦計量按設(shè)計配比拌制，拌制后級配碎石抽檢其級配，滿足要求后運至現(xiàn)場。4、本合同段水泥穩(wěn)定碎石基層采用攤鋪機攤鋪混合料。5、基層施工前先進行底基層的驗收工作。驗收包括量測寬度、厚度、高程、橫坡、壓實度等各項實測結(jié)果，實測結(jié)果達到質(zhì)量標準的規(guī)定值和允許偏差符合技術(shù)規(guī)范要求后進行基層施工，路面底基層應(yīng)堅實、平整無

11、坑洼、松散、現(xiàn)象。不合格及時修理。在施工該基層前對底基層進行清掃和灑水使表面潮濕，下基層施工完畢，重復上述工序進行剩余兩層上基層施工。6、材料的運輸采用15t以上的自卸式汽車進行運輸，運輸?shù)浆F(xiàn)場后由專人指揮，保證材料運輸?shù)揭?guī)定的位置；材料的攤鋪采用攤鋪機進行攤鋪，局部地方采用人工輔助添料；攤鋪過后采用20t以上的振動式壓路機進行壓實，碾壓按照先輕后重的原則，用振動壓路機緊跟混合料的攤鋪面進行碾壓。開始用振動壓路機不掛振進行碾壓12遍，然后掛振碾壓。直線段由兩側(cè)路邊向路中心或自橫坡度低的一側(cè)向高的一側(cè)碾壓，碾壓范圍應(yīng)比邊緣寬出10cm，碾壓時重疊1/2輪寬，碾壓速度1.51.7km/h。復壓時用

12、振動壓路機繼續(xù)碾壓。碾壓速度2.02.5km/h。碾壓順序同前，碾壓至要求的壓實度為止。碾壓過程中如氣溫高或風天基層表面易風干，人工進行噴水，繼續(xù)碾壓。在操作中應(yīng)做到三快即快運輸、快攤鋪、快碾壓。確保從穩(wěn)拌站出料到碾壓完畢時間不超過2小時。在施工過程中應(yīng)控制結(jié)構(gòu)層高程，寬度，厚度，平整度，橫坡等。7、接茬：（1）水泥穩(wěn)定碎石施工是按基層全寬度半幅攤鋪。（2）操作人員將末端混合料橫向切齊，緊靠混合料放兩根方木，方木的高度與混合料的壓實厚度相同，然后將末端混合料壓平且符合設(shè)計高程。（3）將混合料按高程碾壓密實，然后將方木和砂礫材料除去，并將底基層清掃干凈。（4）如攤鋪中斷后因故未能按上述方法處理橫

13、向接縫，且中斷時間已超過2小時，將未壓實的混合料鏟除，并且在鏟除過程中用3m直尺檢測平整度，將已碾壓密實且高程、平整度符合要求的末端挖成一橫向與路中心線垂直的向下的斷面。同時及時清理干凈底基層表面混合料。（5）水泥穩(wěn)定碎石基層碾壓成型，壓實度合格后，在基層頂面覆蓋土工布，立即開始用灑水車灑水養(yǎng)生。灑水次數(shù)視氣候而定，在養(yǎng)生期間始終保持基層表面潮濕。十一、質(zhì)量控制標準（一）一般規(guī)定1 、必須建立、健全工地試驗，質(zhì)量檢查及工序間的交接驗收等制度。試驗、檢驗應(yīng)做到原始記錄齊全，數(shù)據(jù)真實可靠。2、 工地試驗室應(yīng)能進行所用基層材料的各項試驗，還應(yīng)具備進行現(xiàn)場壓實度和平整度檢查的能力，應(yīng)配備彎沉測量的儀器

14、。3 、各個工序完結(jié)后均應(yīng)進行檢查驗收。經(jīng)檢驗合格后方可進行下一道工序。凡經(jīng)檢驗不合格的段落，必須進行補救，使其達到要求。具體項目見下表：水泥穩(wěn)定碎石基層實測項目項次檢查項目規(guī)定值或允許偏差高速公路一級公路檢查方法和頻率1壓實度(%)98按附錄b檢查。每200m每車道2處2縱斷高程（mm）+5，-10水準儀：每200m測4個斷面3寬度（mm）符合設(shè)計要求米尺：每200m測4處4平整度（mm）83m直尺：每200m測2處*10尺5橫破（%）0.3水準儀：每200m測4個斷面6厚度（mm）代表值-8按附錄h檢查，每200m每車道1點合格值-157強度符合設(shè)計要求按附錄g檢查(二)材料的標準試驗1、

15、 在組織現(xiàn)場施工以前以及在施工過程中，原材料或者混合料發(fā)生變化時，必須對擬采用的材料進行規(guī)定的基本性質(zhì)試驗，評定材料質(zhì)量和性能是否符合要求。2 、對用做基層的原材料，應(yīng)進行公路路面基層施工技術(shù)規(guī)范jtj034-2006表9.2.2所列的試驗。十二、試驗數(shù)據(jù)的整理和結(jié)果（一）壓實度及含水量 序號樁號碾壓第五遍壓實度/含水量碾壓第六遍壓實度/含水量碾壓第七遍壓實度/含水量碾壓第八遍壓實度/含水量1k10+525左幅91.4/5.591.8/5.291.8/5.793.1/5.993.1/5.493.5/5.795.3/5.795.7/5.895.3/5.297.4/5.587.8/5.597.8/

16、5.62k10+550左幅91.8/5.491.4/5.391.8/5.594/5.293.1/5.493.5/5.395.7/5.896.1/5.395.3/5.597.8/5.797.4/5.797.8/5.53k10+575左幅91.4/5.691.4/5.891.8/5.593.1/5.493.5/5.493.5/5.795.3/5.895.3/5.795.3/5.297.8/697.8/5.597.4/5.14k10+600左幅91.4/5.291.8/5.891.4/5.593.1/5.593.5/5.593.1/5.495.3/5.496.1/5.595.3/5.297.8/5.

17、997.4/5.897.4/5.75k10+625左幅91.8/5.691.8/5.791.8/5.493.1/5.793.5/5.594/5.595.7/5.495.3/5.196.1/5.797.4/5.797/5.397.8/5.46k10+650左幅91.4/5.791.8/5.291.8/5.593.5/5.493.1/5.493.5/5.395.7/5.695.3/5.595.3/5.697.8/5.497.4/5.297/5.17k10+675左幅91.4/5.491.8/5.591.4/5.793.1/5.493.5/5.593.1/5.495.3/5.595.7/5.596.

18、1/5.697.4/5.597.4/597.4/5.68k10+700左幅91.4/5.291.8/5.391.8/5.794/5.593.1/5.694/5.295.3/5.795.3/5.695.7/5.597.8/5.497.4/5.997/5.29k10+725左幅91.8/5.691.4/5.491.8/5.593.5/5.393.5/5.993.5/5.495.3/5.296.1/5.495.7/5.397/5.597.4/5.997.8/5.9（二）松鋪系數(shù)序號樁號下層標高（m）本層松鋪高程（m）壓實后高程（m）松鋪厚度（cm）壓實厚度（cm）松鋪系數(shù)1k10+525中樁28.8

19、8529.12029.06623.518.11.3左8.5m28.71328.94828.89223.517.91.31左15m28.58328.81628.76223.317.91.32k10+550中樁28.92029.15429.09923.417.91.31左8.5m28.75028.98328.929 23.317.91.3左15m28.62228.85828.80323.618.11.33k10+575中樁28.98529.22229.16523.718.01.32左8.5m28.81529.04928.99523.418.01.3左15m28.68428.91828.86323.

20、417.91.314k10+600中樁29.06229.29629.24423.418.21.29左8.5m28.89029.12329.07023.318.01.29左15m28.75828.99128.93623.317.81.315k10+625中樁29.13329.36829.31123.517.81.32左8.5m28.96429.19629.14323.217.91.3左15m28.83429.06829.01323.417.91.316k10+650中樁29.20829.43929.38623.117.81.3左8.5m29.04129.27329.22223.218.11.28

21、左15m28.91029.14529.09023.518.01.317k10+675中樁29.28429.52029.46323.617.91.32左8.5m29.11329.35029.29123.717.81.33左15m28.98329.21529.16123.217.81.38k10+700中樁29.35929.59329.53823.417.91.31左8.5m29.18929.42229.36823.317.91.3左15m29.06129.29429.24223.318.11.299k10+725中樁29.43729.67429.61923.718.21.3左8.5m29.266

22、29.50129.44723.518.11.3左15m29.13529.37129.31523.618.01.31十三、試驗結(jié)論1、最佳機械組合方式以兩臺壓路機為例：配備一臺裝載機、兩臺攤鋪機、一臺挖掘機，一臺膠輪壓路機，運輸車輛可根據(jù)運距、施工便道和工作面等實際情況進行配置。一個工作臺班（8小時）可完成攤鋪碾壓2000m3。根據(jù)試驗結(jié)果和現(xiàn)場實踐路基填筑分析得出：（1）水泥穩(wěn)定碎石基層施工劃分以300500m單幅作業(yè)較為適宜，以減少機械的閑置等待時間。（2）碾壓遍數(shù)：基層碾壓遍數(shù)為靜壓2遍，弱振2遍，強振2遍，最后膠輪壓路機靜壓2遍，總遍數(shù)為8遍；（3）水穩(wěn)料攤鋪松鋪厚度為23.4cm，松鋪

23、系數(shù)為1.3，以此控制現(xiàn)場施工。（4）填料的含水量控制在最佳含水量的2%之間。（5）碾壓方法：先輕后重，由兩側(cè)路邊向路中心或自橫坡度低的一側(cè)向高的一側(cè)碾壓，碾壓范圍應(yīng)比邊緣寬出10cm，碾壓時重疊1/2輪寬，碾壓速度1.51.7km/h。english is the most widely spoken language in the history of our planet, used in some way by at least one out of every seven human beings around the globe. half of the worlds books

24、are written in english, and the majority of international telephone calls are made in english. english is the language of over sixty percent of the worlds radio programs. more than seventy percent of international mail is written and addressed in english, and eighty percent of all computer text is s

25、tored in english. english has acquired the largest vocabulary of all the worlds languages, perhaps as many as two million words, and has generated one of the noblest bodies of literature in the annals of the human it is now time to face the fact that english is a crazy language - the most lunatic an

26、d loopy and of all languages. in the crazy english language, the blackbird hen is brown, blackboards can be green or blue, and blackberries are green and then red before they are ripe. even if blackberries were really black and blueberries really blue, what are strawberries, cranberries, huckleberri

27、es, raspberries, and gooseberries supposed to look add to this insanity there is no butter in buttermilk, no egg in eggplant, no grape in grapefruit, no bread in shortbread, neither worms nor wood in wormwood, neither mush nor room in mushroom, neither pine nor apple in pineapple, neither peas nor n

28、uts in peanuts, and no ham in a hamburger. (in fact, if somebody invented a sandwich consisting of a ham patty in a bun, we would have a hard time finding a name for it.)to make matters worse, english muffins werent invented in england, fries in france, or danish pastries in denmark. and we discover

29、 even more culinary madness in the that sweetmeat is made from fruit, while sweetbread, which isnt sweet, is made from this unreliable english tongue, greyhounds arent always grey (or gray); panda bears and koala bears arent bears (theyre marsupials); a woodchuck is a groundhog, which is not a hog;

30、a horned toad is a lizard; glowworms are fireflies, but fireflies are not flies (theyre beetles); ladybugs and lightning bugs are also beetles (and to, a significant proportion of ladybugs must be male); a guinea pig is neither a pig nor from guinea (its a south american rodent); and a titmouse is n

31、either is like the air we breathe. its invisible, inescapable, indispensable, and we take it for granted. but, when we take the time to step back and listen to the sounds that escape from the holes in peoples faces and to ex- the paradoxes and vagaries of english, we find that hot dogs can be cold,

32、darkrooms can be lit, homework can be done in school, nightmares can take place in broad daylight while morning sickness and daydreaming can take place at night, tomboys are girls and midwives can be men, hours - especially happy hours and rush hours - often last longer than sixty minutes, quick- sa

33、nd works very slowly, boxing rings are square, silverware and glasses can be made of plastic and tablecloths of paper, most are dialed by being punched (or pushed?), and most bathrooms dont have any baths in them. in fact, a dog can go to the bathroom under a tree - no bath, no room; its still going

34、 to the bathroom. and doesnt it seem a little bizarre that we go to the bathroom in order to go to the is it that a woman can man a station but as man cant woman one, that a man can father a movement but a woman cant mother one, and that a king rules a kingdom but a queen doesnt rule a? how did all

35、those renaissance men reproduce when there dont seem to have been any renaissance writer is someone who writes, and a stinger is something that stings. but fingers dont grocers dont, haberdashers dont, hammers dont ham, and humdingers dont the plural of tooth is teeth , shouldnt the plural of booth

36、be ? one goose, two geese - so one moose, two one index, two indices - one kleenex, two if people ring a bell today and rang a bell yesterday, why dont we say that they a ball? if they wrote a letter, perhaps they also their tongue. if the teacher taught, why isnt it also true that the preacher? why

37、 is it that the sun shone yesterday while i shined my shoes, that i treaded water and then trod on the beach, and that i flew out to see a world series game in which my favorite player flied we conceive a conception and receive at a reception, why dont we grieve a and believe a? if a horsehair mat i

38、s made from the hair of horses and a camels hair brush from the hair of camels, from what is a mohair coat made? if adults commit adultery, do infants commit infantry? if olive oil is made from olives, what do they make baby oil from? if a vegetarian eats vegetables, what does a humanitarian eat? (a

39、nd im beginning to worry about those authoritarians.)and if pro and con are opposites, is congress the opposite of you have to believe that all english speakers should be committed to an asylum for the verbally insane. in what other language do people drive in a parkway and park in a driveway? in wh

40、at other language do people recite at a play and play at a recital? in what other language do privates eat in the general mess and generals eat in the private mess? in what other language do people ship by truck and send cargo by ship? in what other language can your nose run and your feet can a sli

41、m chance and a fat chance be the same and a bad licking and a good licking be the same, while a wise man and a wise guy are opposites? how can sharp speech and blunt speech be the same and quite a lot and quite a few the same, while overlook and oversee are opposites? how can the weather be hot as h

42、ell one day and cold as hell the next? how can the expressions whats going on? and whats coming off? mean exactly the samton and unbutton and tie and untie are opposites, why are loosen and unloosen and ravel and unravel he same? if bad is the opposite of good, hard the opposite of soft, and up the opposite of down, why are badly and goodly, hardly and softy, and upright and downright not opposing pairs? if harmless actions are the opposite of harmful why are shameful and shameless behavior the same and pricey objects less expensive than priceless appropriate and inappropriate remarks