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一种砂砾石土管涌侵蚀过程中渗透系数动态变化模型
吴梦喜; 姜媛媛; 叶发明; 余挺; 张琦; 余学明; 王晓东
2017-10-20
Rights Holder中国科学院力学研究所
Abstract本发明公开了一种砂砾石土管涌侵蚀过程中渗透系数动态变化模型,用于描述土体渗透性变化。该模型为:k/k0=[(φ′/φ0)3(d′p/dp)2]β,其中k为管涌动态发展过程中的渗透系数,k0为初始渗透系数,φ′、d′p分别为管涌动态发展过程中土体的孔隙率、颗粒级配曲线上重量含量p%所对应的颗粒粒径,φ、dp分别为土体的初始孔隙率、初始颗粒级配曲线上重量含量p%所对应的颗粒粒径,β为孔隙特征放大指数。
Application Date2015-06-02
Date Available2017-10-20
Patent NumberZL201510295358.6
Language中文
Country中国
Agency北京和信华成知识产权代理事务所
Document Type专利
Identifierhttp://dspace.imech.ac.cn/handle/311007/60885
Collection流固耦合系统力学重点实验室
Affiliation中国科学院力学研究所
Recommended Citation
GB/T 7714
吴梦喜,姜媛媛,叶发明,等. 一种砂砾石土管涌侵蚀过程中渗透系数动态变化模型. ZL201510295358.6[P]. 2017-10-20.
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