箱基埋置深度浅、下卧土层刚度较大时，箱基周围回填土属性对结构反应影响不大；
Stiffness variation of backfilled soil played a small role on superstructure response when the substratum was relative stiff and the box foundation embedment was shallow.
高填土挡土墙是土木工程中的不可回避的一类工程，它的设计理论和方法都是工程界研究的热点，其中加筋土挡土墙是近些年来应用的一种新型的挡土结构。
Retaining wall of high hill is a kind of project of civil engineering. Its design theory and method is a focus in engineering. In specially, reinforced soil is a new type of retaining structure.
第五、通过单向压缩试验和三轴cu试验，得出了吹填土微结构特征参数随荷载变化的规律。
Fifthly, the discipline of micro-structure characteristic parameters change by the load has been received through compression test and triaxial CU test.
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