Study on critical hydraulic gradient of streamline flow for porous concrete permeable base;
多孔混凝土基层层流状态临界水力梯度研究
This paper discusses systematically the necessity of seepage analysis and seepage control study for high RCC gravity dam,recommends the seepage characteristics of material for different zones of Longtan RCC dam and studies the seepage dissolving character and critical hydraulic gradient.
系统地阐述了高碾压混凝土重力坝渗流分析和防渗结构研究的必要性 ,介绍了龙滩高碾压混凝土重力坝各分区材料的渗流特性 ,并进行了渗透溶蚀性研究和临界水力梯度研究。
The effect of the initial hydraulic gradient,critical hydraulic gradient,instantaneously applied load and soil thickness on consolidation process is discussed,and the formula to determine the scope of application of non-Darcy flows is introduced.
讨论了起始水力梯度、临界水力梯度、瞬时荷载以及土层厚度对固结过程的影响,提出了确定非Darcy渗流适用范围的公式。
The paper provides relations on the boundary hydraulic gradient, durability of permeability and dissolvability of lime in RCC by setting forth chemical, macro and micro side contents and reveals the dissolve mechanisms of RCC.
对碾压混凝土的溶蚀和渗透耐久性进行了化学、宏观、微观等方面的阐述,揭示了碾压混凝土的溶蚀机理,简述了碾压混凝土临界水力梯度及渗透、溶蚀耐久性的关系。
In the paper,calculating formulae on the boundary hydraulic gradient and durability of permeability and dissolve of lime in RCC by setting forth of durability of permeability and dissolve are provided,and are calculated by an example.
本文对碾压混凝土的溶蚀和渗透耐久性进行了阐述 ,给出了碾压混凝土临界水力梯度及渗透、溶蚀耐久性的计算公式 ,并结合工程实际进行了计算。
And adopts the statistical method(including uneven coefficient method,granule content method and seepage coefficient method),Indoor test piece boiling experiment method and onsite boiling experiment method to synthetically dicide foundation critical water power gradient(I_(cr)).
阐述了本钢南芬拦水坝坝基渗透变形试验的方法和过程;采用统计法(含不均匀系数法、细粒含量法、渗透系数法),室内试件管涌试验法及现场管涌试验法来综合判定地基临界水力坡度(Icr);并提出了在评价碎石类土坝坝基时,为确定临界水力坡度(Icr)而应优先采用的统计方法,同时指出了伊斯托明娜统计法应用的局限性。
The research development of soil permeability and critical hydraulic gradient is presented.
阐述了土体渗透系数和临界水力比降的概率分布研究概况。
ANALYSIS ON PUMPING WELL DIAMETER OF GWSHP BASED ON CRITICAL HYDRAULIC GRADIENT
基于临界水力梯度的地下水源热泵取水井井径分析
Computing Critical Water Depth of Trapezoid Open Channel by Using Steffensen Iteration Method
用Steffensen迭代法计算梯形明渠的临界水深
A Method for Calculating Critical Water Depth of Open Channel with Trapezoid Section and Smooth Slope
小底坡梯形明渠临界水深求法探讨
Discuss on Accurate Calculation Formula of Critical Depthof Open Trapezoidal Channel
论梯形明渠临界水深的精确计算公式
Influences of Heat Transfer Crisis on Temperature Profile of Supercritical Water Wall in Near Critical Pressure Region
近临界压力区传热恶化对超临界锅炉水冷壁温度场的影响
Iterative Computation of the Depth of Water under the Normal Conditions and Critical Depth of Water at Trapezoid Open-ditch
梯形明渠正常水深和临界水深的迭代计算法
Computing Critical Water Depth of Trapezoid Open Channel by Using Accelerating Genetic Algorithm
用加速遗传算法计算梯形明渠的临界水深
Application of pattern search optimization in calculation of critical depth in trapezoidal canal
梯形明渠临界水深的模式搜索算法求解
Study on the Critical Depth Calculation for Trapezoidal Channel Based on the Excel
基于Excel的梯形渠道临界水深计算的研究
The Influence of Supercritical Boiler's Hydrodynamic Characteristics to the Outlet Temperature of Water Wall's Lower Radiation Zone
超临界锅炉水动力特性对下辐射区水冷壁出口温度的影响
The Analysis of the Effect of Non-parallelism and Pressure Gradient on the Stability of Boundary Layer;
边界层稳定性的非平行性和压力梯度作用研究
a critical temperature of water is 100 degrees C--its boiling point at standard atmospheric pressure; critical mass; go critical.
水的临界温度是摄氏100度——标准大气压下的沸点；临界物质；达到临界。
Surface Temperature Gradients of an Exothermic System at Criticality for Generalized Heat Transfer
普适热传递条件下放热系统的临界表面温度梯度
Variation characteristics of pressure gradient for oil-gas-water three-phase flow in horizontal pipeline
水平管油-气-水三相流压力梯度变化特性
242 cases blood serum-ascites albumin gradient examination distinction ascites nature clinical significance
242例血清-腹水白蛋白梯度检测鉴别腹水性质的临床意义
This indicates a hydrodynamic condition with a very marked potentiometric gradient.
这说明水动力条件具有很明显的位能梯度。
Development on the Utility Graph of Optimum Power Dispatching to Baishan-Fengman Cascade Reservoirs;
白丰梯级水库实用电力优化调度图的研制
Research on short-term optimal operation of cascade hydropower plants in electric power market
电力市场环境下梯级水电站短期优化调度研究