Interplay between the inclusions of different sizes and their proximity to the wall boundaries on the nature of their stress distribution within the inclusions inside particulate packing

Abstract

(2015) 'Interplay between the inclusions of different sizes and their proximity to the wall boundaries on the nature of their stress distribution within the inclusions inside particulate packing', Powder Technology, 286, 98-106 ACCEPT ED M a nusc ript :I nt e rpla y be t w e e n t he inc lusions of diffe re nt size s a nd t he ir prox im it y t o t he w a ll bounda rie s on t he na t ure of t he ir st re ss dist ribut ion w it hin t he inc lusions inside pa rt ic ula t e pa c k ing In this work, photo stress analysis tomography (PSAT) is used to sense the fundamental nature of the stress experienced by different sizes of optically-sensitive inclusions inside granular packing (quasi-three dimensional) under an external axial-compression loading.The distribution of the maximum shear stress and the direction of the major principal stress experienced by the inclusions are analysed to understand the interplay between the size of the inclusions and their proximity to the wall boundary. The outcomes of this study provide a new understanding on the dual nature of stress transmission experienced by the inclusions, as