英语翻译6 结论与讨论填方路基的不均匀沉降变形,是造成路基开裂,路面结构破坏的主要病害之一.应用离心模型试验,进行了不同

英语翻译
6 结论与讨论
填方路基的不均匀沉降变形,是造成路基开裂,路面结构破坏的主要病害之一.应用离心模型试验,进行了不同压实度,不同含水率和不同颗粒组成填料的土石混填路基沉降变形特性的物理模拟,再现了土石混填路基的沉降变形特征,试验研究结果显示：
（1）从总体上讲,路基的最终沉降量随填筑高度的增加而增加,随压实度提高线性减小,虽含水率的增加线性降低.
（2）从路基横断面上的沉降及变形规律来看,路基中线处主要发生沉降变形,最终沉降量在该位置达到最大值.由路基中线向两侧路肩处,沉降变形逐渐减小,但水平方向的变形逐渐增加.
（3）从路基边坡的沉降变形规律来看,路基边坡表面的水平位移集中分布在1/3~2/3坡高处,且随压实度的增加和含水率的减小而减小.
本研究应用离心模型试验初步分析了土石混填路基的沉降变形规律,试验中也发现由于模型缩尺较大,造成模型材料同比例缩尺后退化为细粒土,丧失了粗粒土部分的工程特性,可能会造成模拟结果的偏差.另外,由于试验模型数量有限,加之填料的性质、填筑断面的形式等对沉降变形的影响,本文的研究成果尚有待于进一步的试验验证.

6 conclusions and discuss the uneven roadbed fill Settlement is the embankment cracking,pavement damage one of the main diseases.Application of centrifugal model test for a different degree of compaction.different moisture content and different filler particles deformation of the rock foundation of the physical simulation of the settlement,depicts the rock foundation of the settlement deformation characteristics,test results showed that :(1) Generally speaking,With the final settlement of the subgrade filling height increases,decreases linearly with the degree of compaction to improve.Although water rates increase linearly.(2) from the cross section of the settlement and deformation,subgrade settlement midline deformation occurred.in the position to achieve the maximum amount of the final settlement.Roadbed shoulder from the middle to both sides,settlement deformation decreased,but the horizontal deformation increases.(3) From the subgrade settlement slope deformation,roadbed slope surface of the horizontal displacement of people living in 80mg/kg slope height,also increased with the degree of compaction and moisture content decreases with the decrease.In this study,an initial analysis of centrifugal model test of the rock foundation of settlement laws Due to the scaled model experiments also found larger,resulting in reduced scale model material back into the same proportion of fine-grained soil.lost some of the engineering properties of coarse-grained soil,the results might be in error.In addition,due to a limited number of test models,plus fill in the nature of settlement of the reclaimed section of the form,The research results of this test still needs further verification.
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