| 1. | The thickness of site overburden layer is one of important reasons that affect the predominant period of ground micro - tremor
覆盖层厚度是影响地脉动卓越周期的重要原因。 |
| 2. | In order to meet the requirement of stability , loading and the distortion of the dam , the technique of vibration & impulsion was adopted to reinforce the overburden layer
为了确保闸坝基础能满足坝基稳定、承载、变形的要求，设计上采用了振冲法对覆盖层进行加固处理。 |
| 3. | The site overburden layer with the structure of different foundation soil strata and different rigidity of soil layer transforms structure of frequency of ground micro - tremor with different degree
土层结构不同、土层刚度（值）不同，覆盖土层对地脉动源频率结构的改造程度也不一。 |
| 4. | ( 3 ) comparison analysis for antiplane surface motion features between the circular - arc cross - section alluvial valley and the single overburden layer is investigated in details in this paper
( 3 )为了更深入地研究了一般圆弧状沉积盆地的出平面地表运动特征，本文与已有的软土单覆盖层解析结果做了对比分析。 |
| 5. | On the basis of the analysis of the test data , the additional force linearly increased with variation of water pressure in the aquifer , and increased with the increase of the depth and with the content of coarse soil particle in the overburden layer
试验结果表明：竖直附加力随含水层降压量的增大而线性增加，随深度增大而增大，随土层中粗颗粒含量增多而增大。 |
| 6. | The smaller the the difference of the temperature of feedwater and backwater is , the more evenly and slowly the temperature distribution is . the smaller the thickness of overburden layer and the distance of two tubes are , the more evenly and slowly the temperature distribution is
在供回水温度和覆盖层厚度均不变的条件下，排管间距越小，其温度分布越为平缓，地板表面的温度分布也越为均匀，地板表面平均温度也越高。 |
| 7. | Fourth , there exists some corresponding relationships between spectral structure characters of ground micro - tremor and shear wave velocity of site soil layers . the outcomes of these two kinds of tests can be conferred each other . fifth , the correlations between predominant period of ground micro - tremor and thickness , and value of shear wave velocity of overburden layer are established
第五，建立场地土覆盖层厚度、剪切波速与地脉动卓越周期之间的相关关系，有助于通过勘测场地土覆盖层厚度的结果估算场地地脉动的卓越周期，以及揭示场地土剪切波速与地脉动卓越周期的内在相关规律。 |
| 8. | By virtue of the design features of the mania dam , this paper studies the dynamic characteristics of the dam materials . by comparison with other similar projects , it presents a curve for dynamic characteristics of clay core materials and rockfill materials , makes analysis on the dam ' s plane dynamic response by finite element method , calculates the dam ' s seismic acceleration , the dynamic shear stress of the rockfill , and the dynamic stress of the cutoff wall in the overburden layer
本文针对满拉土心墙堆石坝的设计特点，进行了筑坝材料动力特性试验研究，通过与相关工程对比给出了心墙料和堆石料的动力特性曲线，采用有限元方法进行了大坝平面动力反应分析，计算了大坝的地震加速度、堆石体动剪应力及覆盖层防渗墙的动应力。 |
