典型文献
Porosity of bimodal and trimodal sediment mixtures
文献摘要：
This study focuses on the prediction of the porosity of nonuniform sediment mixtures,considering the effects of particle packing.A random particle packing model has been developed for the porosity of bimodal mixtures by extending the existing random particle filling theory.Coefficients in the developed model are calibrated by fitting the model to measured data for a variety of bimodal mixtures,including spherical glass particles,rounded quarry grains,and natural sediments.The model coefficients are found to be functions of the diameter ratio of coarse and fine particles,separately for spherical glass particles and natural sediments due to differences in particle shapes,The bimodal mixture model is then extended to trimodal particle mixtures in three approaches:two based on serial packing and one based on random packing.These models are tested against experimental data of six trimodal mixtures with spherical glass beads.The results show that the random packing model and the fine-medium-coarse particle serial packing model predict well the observed trimodal mixture porosities.
文献关键词：
中图分类号：
作者姓名：
Chamil Perera;Weiming Wu;Ian Knack
作者机构：
Department of Civil and Environmental Engineering,Clarkson University,8 Clarkson Avenue,Box 5710,Potsdam,NY,13699,United States;WEST Consultants,Inc.,11440 West Bernardo Court,Suite 360,San Diego,CA,92127-1644,United States
文献出处：
引用格式：
[1]Chamil Perera;Weiming Wu;Ian Knack-.Porosity of bimodal and trimodal sediment mixtures)[J].国际泥沙研究（英文版）,2022(02):258-271
A类：
quarry
B类：
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AB值：
0.462542
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