地壳介质的应力松驰与b值的关系讨论

THE STUDY OF THE RELATION BETWEEN B VALUE AND CRUSTAL STRESS RELAXATION

摘要:

本文讨论了温度、水、围压、化学结构等因素对地壳岩石驰豫时间的影响,从地壳介质受力时其内应力的不均匀松驰出发,讨论了除介质中的应力水平以外影响b值的其它因素。结果表明,地壳介质的平均驰豫时间愈短,介质愈不均匀,介质受力速度愈小,b值愈高。

Abstract:

This paper deals with the influence of temperature,pressure,water and chemical composition on crustal rock's relaxation time and the influence of some factors,besides average stress of earth crust on b value.It is believed that the less the average relaxation time of crustal medium is,or the more heterogeneous crustal medium is,or the more slowly crustal medium is stressed,the greater b value is.