路基路面压实度的检测 毕业论文

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1、路基路面压实度的检测摘要压实度是路基路面施工质量检测的关键指标之一，表征现场压实后的密度状况，压实度越高，密度越大，材料整体性能越好。对于路基、路面半刚性基层及粒料类柔性基层而言，压实度是指工地上实际达到的干密度与室内标准击实实验所得最大干密度的比值；对沥青面层、沥青稳定基层而言，压实度是指现场达到的密度与室内标准密度的比值。压实度的测定主要包括室内标准密度（最大干密度)确定和现场密度试验。在公路检测中路基压实度的检测十分重要，对路基压实度检测一般用灌砂法，此文对压实度的检测方法进行了阐述，和压实度现场施工中的一些问题进行阐述。Compactionison

2、eofthekeyindicatorsofsubgradepavementconstructionqualityinspection,characterizationofthesceneafterthecompactiondensitycondition,thehigherthedegreeofcompaction,thedensity,thegreaterthematerialthebetteroverallperformance.Forsubgradepavementsemi-rigidbaseandaggregatetypeofflexiblebas

3、eintermsofdegreeofcompactionistopointtothesiteactuallyreachedthedrydensityandindoorstandardcompactionratioofthemaximumdrydensityobtainedintheexperiment;Forasphaltroadsurface,asphaltstabilizedsubbase,degreeofcompactionisreferstothescenetotheratioofdensityandindoorstandarddensity.Th

4、edeterminationofdegreeofcompactionmainlyincludesindoordeterminationstandarddensity,maximumdrydensityandfielddensitytest.Intheroadtestroadbedcompactiondegreetestisveryimportant,forgeneralusesandfillingroadbedcompactiondegreetestmethod,thisarticleexplainsthetestingmethodofdegreeofco

5、mpaction,andsomeproblemsonthesiteconstructionofcompactiondegree.21关键词:路基、压实度、检测路基路面压实度的检测目录一、绪论·····························4二、常见压实度的检测方法·····················4（一）灌砂法···························4（二）环刀法···························6（三）核子密度湿度仪法······················8（四）钻芯法测定沥青面层密度······

6、·············11三.现场施工中压实度检测的应用··················12（一）核子密度含水量测定仪工作原理················13（二）挖坑灌砂法测定压实度试验方法················14（三）优劣对比··························15（四）小结····························16四、压实度现场施工出现的问题及处理方法··············16（一）路基压实度的影响因素及控制方法···············17（二）路基压实度检测方面存在的问题及解决办

7、法···········19五、结束语····························20参考文献·····························21致谢·······························2221一、绪论压实度是公路工程中做的最多的检测项目，也是工程质量管理最重要的内在指标之一，只有对路基、路面结构层进行充分压实，才能保证路基、路面的强度。刚度及路面的平整度，并可以保证及延长路基、路面工程的使用寿命。路基压实度包括黄土和砾类土，按照《路基路面现场检测规程》JTJ059，压实度可以用灌砂法、环刀法、水袋法、核子密

8、度仪等检测方法，尤其以灌砂法最“流行”。方水袋法使用塑料袋，不能完