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  Journal Paper


Paper Title :
Stress Determination In A Cracked Bi-Material Element Using The LEFM Energy Approach

Author :Ana Yanakieva

Article Citation :Ana Yanakieva , (2015 ) " Stress Determination In A Cracked Bi-Material Element Using The LEFM Energy Approach " , International Journal of Mechanical and Production Engineering (IJMPE) , pp. 47-52, Volume-3, Issue-11

Abstract : Polymer concretes containing recycled concrete components and non-saturated polymer resins fabricated from recycled plastics waist are new energy-saving high-strength structural materials. The incorporation of polymer waists in concrete is a good solution to the preservation of environment and storage of natural resources. Yet, being almost indestructible under natural conditions, they can cause serious troubles such as soil, air and water pollution if not properly recycled and deposited. The present work focuses on the study of recycled polymer concrete (pursuant to the European Directive for Nearly Zero Energy Buildings (NZEBs)) and more specifically – on the determination of the Energy Release Rate (ERR) in a cracked bi-material structural element, fabricated from recycled polymer and concrete. Stress and strain distribution in a specific structural element is studied analytically using the Energy Approach (G-approach) of the Fracture Mechanics, and employing the J-integral techniques and the ANSYS code. Different ERR values are calculated for different initial cracks and external loads. Critical crack dimensions and displacements are also found applying subsequent critical loads. The results of the two methods are compared, analysed and discussed. Keywords - FE and Analytical Analysis, Err And Sif, Fracture Energy, Edge Crack.

Type : Research paper

Published : Volume-3, Issue-11


DOIONLINE NO - IJMPE-IRAJ-DOIONLNE-3249   View Here

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