Janssen’s Effect in Mechanical Behavior and Fracture of Granular Materials

Atirat Maksuwan

doi:10.4028/www.scientific.net/MSF.883.7

Paper Titles

Preface, Committees

Effect of Sintering Temperature on (Bi₂O₃Fe₂O₃)_0.8(Nb₂O₅)_0.2
p.3

Janssen’s Effect in Mechanical Behavior and Fracture of Granular Materials
p.7

A New Permeability Model for ECBM and Carbon Dioxide Sequestration Based on Matchsticks Geometry
p.12

Luminescence of Phosphor Balls Prepared Using Melt Quenching Synthesis Method
p.17

The Influence of Nitrogen Plasma on Crystalline Structure and Optical Properties
p.22

Effect of Nickel Doping on Dielectric, Piezoelectric Properties and Domain Configurations of PZT Based Ceramics
p.27

Finite Element Simulation of Complex Thermomechanical Fatigue Evolution
p.32

Characteristics and Environmental Assessment of Facing Bricks Produced from Dredged Sediments and Waste Glasses
p.37

HomeMaterials Science ForumMaterials Science Forum Vol. 883Janssen’s Effect in Mechanical Behavior and...

Janssen’s Effect in Mechanical Behavior and Fracture of Granular Materials

Abstract:

In 1985, H.A. Janssen studied the structure of the forces inside a silo filled with granular materials, so-called Janssen’s Effect Method (J.E.M). This method is a unique property of confined granular materials. The pressure at the bottom saturated with an increasing filling height due to internal friction with side walls. In this research, we focus on the study of granular cohesionless materials such as sands and gravels, these forces are explained by adsorption and capillary phenomenon. Our main result shows that positive water pressures generate a mechanical effect with tendencies of removing the components of the porous medium corresponding to the mechanical buoyancy force (F_B) that increases with increasing θ from calculated by Janssen's effect method. The topic in this research is once importance in study physical processes of the problem in the Geology Physics (i.e. the factor causing landslide).

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Periodical:

Materials Science Forum (Volume 883)

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7-11

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.883.7

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Online since:

January 2017

Authors:

Atirat Maksuwan*

Keywords:

Capillary Phenomenon, Contact Dynamic, Friction Dynamic, Granular Cohesionless Materials, Janssen’s Effect Method (J.E.M)

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