| 1. | The calculation of isotropic soil seepage by finite analytic 5 - point scheme in irregular domain 采用非规则区域有限分析5点格式计算均质渗流 |
| 2. | Transient seepage analyses for gouhou concrete faced rockfill dam were conducted using the unsaturated soil seepage theory 摘要利用非饱和土渗流理论,对沟后混凝土面板砂砾石坝进行瞬态渗流数值模拟。 |
| 3. | In this paper , a saturated - unsaturated soil seepage ( suss ) method is suggested to analyze the seepage stability of an inundated embankment slope in condition of strong rainfall , by relating a finite element method 摘要提出饱和与不饱和土渗流( suss )法,并结合有限元法,分析强降雨条件下公路填方路堤边坡的渗流稳定性。 |
| 4. | Based on the calculation model and theory of saturated - unsaturated soil seepage , this passage takes the influence of unsaturated zone in seepage field on dam seepage into account , and it also does the seepage finite element calculation and analysis for a certain earth dam 基于饱和非饱和土渗流计算模型与原理,本文考虑渗流场非饱和区对堤坝渗流的影响,对某土石坝进行了渗流有限元计算与分析。 |
| 5. | Based on the development of intelligent soil seepage rate instrument , this paper describes the significance and method of developing intelligent soil seepage rate instrument , and presents a new way for current irrigation specialist and related scholar to research and test soil seepage rate , 本论文以研制智能土壤渗吸速度测试仪的过程为基础,阐述了开发智能土壤渗吸速度测试仪的意义和方法,为相关领域研究与测量土壤渗吸速度提供了一种新的途径。 |
| 6. | Numerical models were used to study how the infiltration into a slope varies with the rainfall intensity , rain fall duration , soil properties and how the infiltration influences the stability of a slope . a numerical program is coded to solve the transient seepage field by using the finite element and finite difference methods based on the saturated - unsatured soil seepage theory . a model for considering the variations of soil weight and shear strength is created / constructed and the corresponding program is coded 本文针对受降雨影响显著的非饱和残积土土坡,运用饱和?非饱和土壤水分运动的理论和二维非稳态渗流有限元模型,模拟雨水入渗引起的暂态渗流场,将计算所得到的暂态孔隙水压力分布用于考虑了基质吸力影响的土坡稳定安全系数的计算当中,建立了考虑非饱和土土坡从雨水入渗到出现滑坡危险全过程的计算模型。 |
| 7. | The paper consists of following parts : the rule of soil seepage , the measuring principle and working process of soil seepage rate instrument , the hardware analysis and software design of soil seepage rate instrument , the design of serial communication system and computer managing interface of soil seepage rate instrument 内容包括土壤渗吸规律的介绍,土壤渗吸速度测试仪的测量原理和工作过程,土壤渗吸速度测试仪的硬件设计和软件设计,土壤渗吸速度测试仪的串行通信系统设计和微机管理界面的设计。 |