Research Article
Jun 1979
Plastic-Fracturing Theory for Concrete
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VIEW THE REPLYAuthors: Zdeněk P. Bažant, M.ASCE, and Sang-Sik KimAuthor Affiliations
Publication: Journal of the Engineering Mechanics Division
Volume 105, Issue 3
Abstract
Incremental plasticity and fracturing (microcracking) material theory are combined to obtain a nonlinear triaxial constitutive relation that is incrementally linear. The theory combines the plastic stress decrements with the fracturing stress decrements, which reflect microcracking, and accounts for internal friction, pressure sensitivity, inelastic dilatancy due to microcracking, strain softening, degradation of elastic moduli due to microcracking, and the hydrostatic nonlinearity due to pore collapse. Failure envelopes are obtained from the constitutive law as a collection of the peak points of the stress strain response curves. Six scalar material functions are needed to fully define the monotonic response. One function, the dilatancy due to microcracking, is determined theoretically based on Budianski-O'Connell's calculation of the effective elastic contents of a randomly microcracked elastic material by the self consistent method for composites.
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Published In
Journal of the Engineering Mechanics Division
Volume 105 • Issue 3 • June 1979
Pages: 407 - 428
Copyright
© 1979 American Society of Civil Engineers.
History
Published in print: Jun 1979
Published online: Feb 3, 2021
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Zdeněk P. Bažant, M.ASCE
Prof. of Civ. Engrg., Northwestern Univ. Evanston, Ill.
Sang-Sik Kim
Grad. Research Asst., Northwestern Univ., Evanston, Ill.; presently Struct. Engr., Skidmore, Owings, Merrill, Chicago, Ill.
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.