摘要
本文从电流场与渗流场相似入手，从理论上进行探讨，用类比的方法剖析相关量的物理含义及其量纲的类同。把视电阻率与渗透系数作为相关量，讨论二者间的关系规律，提出用平均视电阻率来研究和计算渗透系数的方法。实践证明吴家营水源地灰岩含水层渗透系数（Ｋ）与平均视电阻率（ρｓｍ）之间具有一定的相关关系且符合理论模型，而且Ｋ随ρｓｍ的变化具有地段性特点，此乃水文地质条件分区不同富水性地段的特征显示。用回归方法摸拟Ｋ随ρｓｍ的变化，给出相关系数较高的数学模型，以此计算水源地的渗透系数（Ｋ）。个别地段Ｋ等值线的分布特征，被后期成井抽水资料验证，其成果被应用于水源地的地下水资源评价。
In this paper, according to the electric current field similar to the seepage field, in a theoretical discussion, the physical significance of correlctive quantities and the analogy of their dimensions are analysed with the analog method. Regarding the apparent resistivity and the seepage coefficient as correlative quantities, the relation between them is discussed and the method for studying and calculating seepage coefficient (K) with the average apprent resistivity (ρsm) is Put forward. The change of K following ρsm is simulated with regression method,which obtains a mathematical model with high correlation coefficient for calculating K of the water origin place. This study result has been used in the evaluation of undergroung water resources and proved successful by later well extraction.
出处
《云南地质》
1996年第3期308-318,共11页
Yunnan Geology
