【正文】 .................... 25 （三）路基坡腳砂料流失 ............................................. 25 二、袋裝砂井 ......................................................... 25 （一）灌砂率不足 ................................................... 26 （二）插入深度不足 ................................................. 26 （三）砂井排水不暢 ................................................. 27 （四）砂袋帶出 ..................................................... 27 （五）砂袋埋入砂墊層不足 ........................................... 27 三、塑料排水板 ....................................................... 28 3 （一）排水通道堵塞 ................................................. 28 （二）塑料排水板固定不牢 ........................................... 28 （三）塑料排水板埋入砂墊層長度不足 ................................. 29 四、粒料樁 (鋼渣樁，碎石樁，砂樁 ) ..................................... 29 （一）樁身頸縮 ..................................................... 29 （二）粒料密度不足 ................................................. 30 （三）塌孔 ......................................................... 31 五、攪拌樁、粉噴樁、石灰樁 ........................................... 31 （一）攪拌樁、粉噴樁噴料不足 ....................................... 31 （二）攪拌樁、粉 噴樁混合料不勻 ..................................... 32 （三）石灰樁強度不足 ............................................... 33 六、預壓與超載預壓 ................................................... 33 （一）地表隆起及路堤側(cè)向位移 ....................................... 33 七、土工合成材料 ..................................................... 34 第三部分 基 層 .................................................. 35 一、底基層和基層 ..................................................... 35 （一）石灰土、石灰粉煤灰土底基層和基層 ............................. 35 混合料不均勻 .................................................. 35 混合料強度達不到要求 .......................................... 35 壓實度不足 .................................................... 36 碾壓時彈簧 .................................................... 36 碾壓時發(fā)生龜裂 ................................................ 37 不能結成整體板面 .............................................. 37 橫向裂縫 ...................................................... 38 4 表面起皮松散 .................................................. 38 平整度不符合要求 .............................................. 39 回彈彎沉值達不到設計要求 ..................................... 39 （二）石灰粉煤灰穩(wěn)定粒料底基層和基層 ............................... 40 混合料配合比不穩(wěn)定 ............................................ 40 混合料含水量波動大 ............................................ 41 混合料離析 .................................................... 42 混合料攤鋪時離析 .............................................. 42 混合料碾壓時彈簧 .............................................. 43 基層表面灰漿過厚 .............................................. 44 基層壓實度不足 ................................................ 44 施工接縫不順 .................................................. 45 施工平整度不好 ................................................ 45 表面起塵松 散 ................................................. 46 1混合料不結硬和彎沉值達不到要求 ............................... 46 1橫向裂縫 ..................................................... 47 （三）石灰工業(yè)廢渣底基層和基 層 ..................................... 48 網(wǎng)狀開裂 ...................................................... 48 路面隆脹 ...................................................... 49 第四部分 面層 .................................................... 50 一、瀝青混合料面層 ................................................... 50 （一）瀝青混合料面層 ............................................... 50 橫向裂縫 ...................................................... 50 縱向裂縫 ...................................................... 51 5 網(wǎng)狀裂縫 ...................................................... 52 反射裂縫 ...................................................... 53 翻漿 .......................................................... 53 車轍 .......................................................... 54 擁包 .......................................................... 55 搓板 .......................................................... 56 泛油 .......................................................... 57 坑槽 ......................................................... 57 1松散 ......................................................... 59 1脫皮 ......................................................... 59 1啃邊 ......................................................... 60 1光面 ......................................................... 61 1與收水井、檢查井銜接不順 ..................................... 62 1施工接縫明顯 ................................................. 62 1壓實度不足 ................................................... 63 （二）抗滑表層 ..................................................... 63 構造深度不足 .................................................. 63 摩擦系數(shù)不足 .................................................. 64 粗細料分布不勻 ................................................ 64 坑槽 .......................................................... 65 二、水泥混凝土面層 ................................................... 65 （一）水泥混凝土混合料 ............................................. 65 混凝土和易性不好 .............................................. 65 外加劑使用不當 ................................................ 66 抗折強度低 .................................................... 67 6 混合料色差大 .................................................. 68 （二）路面裂縫 ..................................................... 68 龜裂 .......................................................... 68 橫向裂縫 ...................................................... 69 化學反應引起裂縫 ..