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- The peak ground water level was analyzed on simulation. 仿真分析了地下水位的峰值。
- The regularity of distribution of ground water level is prim arily understood. 对该堤段内地下水的分布规律有了初步认识。
- The ground water level may rise so high that it becomes injurious to the crops to be grown. 地下水水位可能升得很高,以致损害将要种植的庄稼。
- Ground water level data provide the most basic information for interpreting the ground waterflow system. 地下水水平数据为解释提供最基本的信息地下水 流程系统。
- Ground water levels fall. Rivers get drier and drier. 地面水位下降。河流变得更干燥。
- Ground water levels fall,rivers get drier and drier. 地下水位下降,河流越来越干涸。
- To serve for engineering, ground water level in vacuum preloading is defined on the basis of conception of soil water potential. 在土水势概念的基础上,以工程应用为目的,定义了地下水位。
- Approximate solutions show that the ground water level rises in proportion with rainfall intensity, time and inverse number of the effective porosity of the soil. 近似解说明了水位的上升与降雨强度和时间成正比,与土壤的有效孔隙率成反比。
- The deformation of slope caused by change of ground water level was investigated by adopting a fully coupled procedure and the state-dependent dilatant sand model. 本文采用完全耦合有效应力分析程序和与状态相关的剪胀性砂土模型模拟斜坡因地下水位变化而发生的变形。
- Simulation analyses for steep slope indicate the shape of subsurface flow slides downward decreasingly and the ground water level declines slowly after the stop of rainfall. 对于渗透坡面,仿真分析说明了降雨停止后,地下水的形状慢慢地滑落,地下水位减退。
- Slopes of Taiwan area are covered mostly by the colluvium soil.This kind of soil is usually well above the ground water level and thus belongs to the unsaturated soil mostly. 摘要:台湾地区山坡地之坡面地层多数由崩积土壤所覆盖,此种土壤由于位处于地下水位以上大都属于不饱和土壤。
- The variation in stress state of soils due to the rise of ground water level and seepage of ground water is critical to the deformation and failure of slopes during and after heavy rainfall. 地下水位上升和地下水在土中渗流引起土体应力状态变化是导致斜坡在降雨过程中或降雨后变形与破坏的关键因素。
- Abstract: The method to lowering ground water level is introduced which combines shallow-water well with deep-water well in well point.The paper also provides practical experience for future work. 文摘:阐述了轻型井点与深井井点二种形式相结合的降水法在实践中的应用,为将来大面积降水提供实践经验.
- The effect is mainly as follows: blocking the flowout of ancient channel water, causing the fluctuation of ground water level, and inducing the interconnection between groundwater and lakewater. 这种潜在影响主要表现在三个方面:阻滞地下水的排泄,引起地下水位的升降,诱发玄武湖水与古河道水的贯通。
- The resistance to float relates to the attributes and conditions of the ground water, the pressure and floatage of water, the change of water level and the sudden supplement of water. 结构抗浮验算与地下水的性状、压力和浮力、下水位变化的影响因素、外补水有关。
- Most wells were "flowing" wells or those that penetrated shallow ground water levels. 大多数水井是“冒水”井,或者是浅水位井。
- The shapes of ground water levels for development and decline of subsurface flow were shown. 做出变化坡度所对应的地下水位的形状图。
- By obsorbing water amountly and biological desalination, alfalfa can decline the ground water level,improve salinized soil,reduce the runoff of water and soil,it also can decrease the pests and weeds. 苜蓿通过生物脱盐和大量吸水可降低地下水位,改良盐渍化土壤,减少地表径流量和土壤冲刷量,减轻农作物病虫草害。
- Sometimes the shortages are caused by too much water use, ground water levels fall, rivers get dyer and dyer. 有时缺水问题是由于过量用水、地下水位下降、河流变的越来越干涸造成的。
- The shapes of ground water levels for different rainfall pattern have been shown. 做出了不同降雨方式所产生的地下水位的形状图。