porous ratio是什么意思

网络释义

用法例句

Based on the past research, this dissertation has analysed the relationship between the dynamic parameter and the self-property, then based on the elastic half space theory of the dynamic foundation and the theory of the vibration, this dissertation get the expression about the relationship between the vibration frequency and the porous ratio (density) of the double layer soil.

利用地基土的振动频率来测定土体的密实度是一项新的课题,本文在前人研究的基础上,分析了地基土的动力参数与土体本身性质之间的关系,应用动力基础半空间理论和振动学原理,得出了双层地基土的振动频率与土体空隙比(密实度)之间关系的计算表达式。