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contributor authorK. S. Chan
contributor authorN. S. Brodsky
contributor authorS. R. Bodner
contributor authorA. F. Fossum
contributor authorD. E. Munson
date accessioned2017-05-08T23:53:36Z
date available2017-05-08T23:53:36Z
date copyrightOctober, 1997
date issued1997
identifier issn0094-4289
identifier otherJEMTA8-26988#393_1.pdf
identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/118762
description abstractThe phenomenon of cleavage fracture initiation in rock salt undergoing concurrent creep was studied experimentally using the Brazilian indirect tension test technique. The tensile creep and cleavage fracture behaviors were characterized for rock salt from the Waste Isolation Pilot Plant (WIPP) site. The Brazilian test consists of a compressive line load applied diametrically on a disk specimen to produce a region of tensile stress in the center of the disk. The damage processes were documented using video photography. The experimental results were analyzed in terms of a wing-crack fracture model and an independently developed, coupled time-dependent, mechanism-based constitutive model whose parameters were obtained from triaxial compression creep tests. Analytical results indicate that coupling between creep and cleavage fracture in WIPP salt results in a fracture behavior that exhibits time-dependent characteristics and obeys a failure criterion involving a combination of stress difference and tensile stress. Implications of creep-induced cleavage fracture to the integrity of WIPP structures are discussed.
publisherThe American Society of Mechanical Engineers (ASME)
titleCreep-Induced Cleavage Fracture in WIPP Salt Under Indirect Tension
typeJournal Paper
journal volume119
journal issue4
journal titleJournal of Engineering Materials and Technology
identifier doi10.1115/1.2812275
journal fristpage393
journal lastpage400
identifier eissn1528-8889
keywordsFracture (Process)
keywordsCreep
keywordsTension
keywordsStress
keywordsDisks
keywordsRocks
keywordsCompression
keywordsFailure
keywordsIndustrial plants
keywordsConstitutive equations
keywordsWings AND Mechanisms
treeJournal of Engineering Materials and Technology:;1997:;volume( 119 ):;issue: 004
contenttypeFulltext


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