【正文】 未先粉碎或剔除。1．現(xiàn)象混合料出現(xiàn)花料，灰、土分布不勻。 關(guān)鍵詞：市政道路 質(zhì)量通病 防治措施 AbstractRoad engineering quality mon fault is refers in the road engineering often occur, mon quality problems, these problems on engineering quality and life will produce the effect of different level, and even the serious to road engineering quantity bedding face is wide, so the harm sex is bigger, more should be attached importance to.This chapter describes in the road construction and operation process of quality mon fault phenomena, causes and prevention road is open structure, it affected by climate, hydrological, geological and natural conditions, therefore, different regions have different article take the Nantong area city road and highway based on the practice of basic level, face layer and the auxiliary road facilities, the paper makes a more prehensive exposition of.Road engineering quality by design, construction, materials, and transportation, environment and other factors, while not strictly according to the standard of raw material and construction is the main the control method has many successful experiences, but in the prevention of reflection crack of concrete pavement and repair problems still lack effective, durable, practical solution, it should carefully design and construction, so as to eliminate or delay the occurrence of disease. Key words: municipal road quality defects prevention control measures 1 目 錄摘要 .................................................... 1Abstract ................................................ 1 .......................................... 4 路拌石灰土、石灰粉煤灰土底基層和基層 ................................................ 4 混合料不均勻 ..................................................................................... 4 混合料強(qiáng)度達(dá)不到要求 ..................................................................... 4 壓實(shí)度不足 ......................................................................................... 5 碾壓時(shí)彈簧 ......................................................................................... 6 碾壓時(shí)發(fā)生龜裂 ................................................................................. 7 未結(jié)成整體 ......................................................................................... 7 表面起皮松散 ..................................................................................... 8 平整度不符合要求 ............................................................................. 9 ................................................................. 9 石灰粉煤灰穩(wěn)定粒料底基層和基層 .......................................................... 10 混合料配合比不穩(wěn)定 ....................................................................... 10 混合料含水量波動(dòng)大 ........................................................................ 11 混合料離析 ....................................................................................... 12 混合料攤鋪時(shí)離析 ........................................................................... 12 混合料碾壓時(shí)彈簧 ........................................................................... 13 基層表面灰漿過厚 ........................................................................... 14 基層壓實(shí)度不足 ............................................................................... 14 施工接縫不順 ................................................................................... 15 施工平整度不好 ............................................................................... 16 .................................................................................. 17 混合料不結(jié)硬和彎沉值達(dá)不到要求 ............................................. 17 橫向裂縫 ......................................................................................... 18 網(wǎng)狀開裂 ........................................................................................... 19 路面隆脹 ........................................................................................... 202 瀝青混合料面層 ...................................... 21 瀝青混合料面層 ........................................... 21 橫向裂縫 ........................................... 21 縱向裂縫 ........................................... 22 網(wǎng)狀裂縫 ........................................... 23 反射裂縫 ........................................... 24 翻漿 ............................................... 24 車轍 ............................................... 25 擁包 ............................................... 272 搓板 ............................................... 27 泛油 ............................................... 28 凹槽 .............................................. 29 松散 .............................................. 30 脫皮 .............................................. 31 啃邊 .............................................. 32 光面 .............................................. 33 與收水井、檢查并銜接不順 ........................... 33 施工接縫明顯 ...................................... 34 壓實(shí)度不足 ........................................ 35 .................................................. 36 構(gòu)造深度不足 ....................................... 36 摩擦系數(shù)不足 ....................................... 37 粗細(xì)料分布不勻 ..................................... 37 坑槽 ............................................... 38參考文獻(xiàn) ............................................... 39致謝 ................................................... 39 3 1底基層和基層、石灰粉煤灰土底基層和基層本節(jié)的“土”，僅指細(xì)粒土。道路工程質(zhì)量通病受設(shè)計(jì)、施工、材料、以及交通、環(huán)境等因素的影響，而沒有嚴(yán)格按規(guī)范進(jìn)行選料與施工是當(dāng)前的主要原因。本章主要敘述在道路建設(shè)與營運(yùn)過程中質(zhì)量通病的現(xiàn)象、原因與防治方法。道路工程質(zhì)量通病及防治(畢業(yè)論文) 摘 要道路工程質(zhì)量通病是指在道路工程中經(jīng)常發(fā)生、較為普遍的質(zhì)量問題，這些問題對(duì)工程的使用品質(zhì)與壽命將產(chǎn)生不同程度的影響，甚至嚴(yán)重的后果。由于道路工程量大面廣，因此其危害性更大，更應(yīng)予以重視。道路是露天結(jié)構(gòu)，它受氣候、水文、地質(zhì)等自然條件的影響，因此不同的地域有不同的特點(diǎn)。在防治方法上雖已有很多成功經(jīng)驗(yàn)，但在反射裂縫防治及混凝土路面修復(fù)等諸多問題上尚缺乏有效、耐久、實(shí)用的解決方法，因此更應(yīng)精心設(shè)計(jì)與施工，以消除或延緩病害的發(fā)生。石灰土又稱石灰穩(wěn)定土，石灰粉煤灰土又稱石灰粉煤灰穩(wěn)定土，簡稱二灰土。2．原因分析（1）翻松與拌和機(jī)具功率不足，齒深不夠，路槽上未充分翻深、翻松。（3）土的塑性指數(shù)較大，容易結(jié)團(tuán)，拌和困難。反復(fù)5～6遍；在翻拌過程中，應(yīng)隨時(shí)檢查調(diào)整翻犁的深度，務(wù)必使穩(wěn)定土層全部翻透。（3）對(duì)于塑性指數(shù)較大的土，應(yīng)用專用機(jī)械加強(qiáng)粉碎，在用石灰穩(wěn)定時(shí)，可采用兩次拌和法，第一次加部分石灰拌和后，悶料一夜，再加人其余石灰，進(jìn)行第二次拌和。2．原因分析（1）混合料配合比確定不當(dāng)或現(xiàn)場(chǎng)未按規(guī)范或設(shè)計(jì)要求的配合比施工。（3）混合料拌和不勻，強(qiáng)度波動(dòng)大，使混合料強(qiáng)度代表值達(dá)不到要求，即不能滿足