利用可同步进行CT扫描的三轴仪，对路基填土进行了单轴压缩实验。
Uniaxial compression test of road foundation soil is conducted with a triaxial apparatus which can do ct scanning at the same time.
通过多年来在路基施工中的经验，对路基填土压实应注意的问题提出了几点建议供同行参考。
By many years' construction experience, some advice of several problem of subgrade fill compaction are given for reference.
从施工的角度阐述了道路不平整的形成原因，并从路堤填筑前原地面处理、路堤填料的要求、路基填土压实、路面基层施工等方面分析了预防措施。
Based on the construction, discussion is made on the causes of formation of highway unevenness, and given the preventions in embankment and subgrade settlement.
反滤作用：用于河流堤，坝公路铁路，机场路基，挡土墙回填土，边坡等岩土工程，提高稳定性。
Filtrate: it can strengthen in geotechnical engineering such as riverbank dam highroad railway roadbed of airport etc.
基于回归理论对沉降数据进行分析，力求找到路基沉降与填土高度和硬壳层厚度、软土层厚度之间的规律。
Base on regression theory analyse the data, striving to find the rule of the settlement of roadbed and the embankment height, thickness of crust with high strength and soft clay.
根据瑞雷波法的检测原理，介绍了其在填土路基密实度无损检测中的设备组成和检测步骤。
Based on the principle of Rayleigh wave test, it introduces the testing method to detect compactness of subgrade, and provides the experiment equipment and detection process.
运用试验结果定量分析了填土路基在往复列车荷载作用下应力应变反应特性，剖析了路基病害产生的原因。
Using the test results, the stress strain behavior of the subgrade was quantitatively studied, and the causes of diseases in subgrade were analyzed.
针对路基软土层的施工，提出换填土法施工的技术方案，并通过国道111线两支箭工程给予验证。
To construct the bed of soft soil layer, we propose the technical scheme for construction with replacing soil. It was verified by the Liangzhijian Project on 111 national road.
如在路堤加筋、台背路堤填土加筋、岩石边坡路基防护和路面裂缝的防治等。
For example, it can apply to embankment reinforcement and embankment fill and rock slope defence and pavement crack prevention etc.
公路路基是土体构筑物，含天然土地基和人工填土路堤两大部分。
Highway subgrade is soil body structure including natural earth foundation and artificial fill embankment.
就路基填筑、填土规划、填筑技术、土石方挖方地段顶面处理，对防止铁路路基贴薄层现象的发生进行了阐述。
The paper describes railway bed filling, building technique and soil or rock engineering and prevention of thin sticking layer on railway bed.
为达到提高加宽部分填土路基承载力、减少新老路面不均匀沉降的目的，寻求适宜的施工参数及施工工艺。
It is expected to raise the bearing capacity and decrease the uneven settlement of the widening road bed; and looking for the feasible construction parameters and construction technique.
正确评定膨胀土灰土路基的压实度、改善填土施工工艺是路基施工中的重要环节。
Correctly determining the compaction degree of swelling soil and lime soil road Banks and improving filling methods are important steps of road bank construction.
填土路基分段作业时，先施工路段端部必须留不陡于1：5的坡面，坡面必须整平压实，以便施工机械上下及下段路基施工时开台阶。
When fill earth subgrade exercise part by part. The former part's gradient should be less than 1:5. Slope surface must be flat, so that, the construction machine can move from top to bottom.
强夯是处理填土路基十分有效的措施。
Heavy tamping is very effective measures of treating roadbed of fill.
本发明的技术效果是：能广泛适用于 填土路基、土石混填路基、填石路基；
The invention has the advantages that: it can apply the soil foundation, the earth-rock mixed foundation and the rock foundation;
本发明的技术效果是：能广泛适用于 填土路基、土石混填路基、填石路基；
The invention has the advantages that: it can apply the soil foundation, the earth-rock mixed foundation and the rock foundation;
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