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Poro-chemo-fracture-mechanics ... bottom-up: Application to risk of fracture design of oil and gas cement sheath at early ages

TitlePoro-chemo-fracture-mechanics ... bottom-up: Application to risk of fracture design of oil and gas cement sheath at early ages
Publication TypeConference Proceedings
Year of Publication2014
AuthorsUlm F-J, Abuhaikal M, Petersen TAlexander, Pellenq RJean-Marc
EditorBicanic N, Mang H, Meschke G, DeBorst R
Conference NameEuro-C Conference
VolumeCOMPUTATIONAL MODELLING OF CONCRETE STRUCTURES, VOL 1
Pagination61-67
Date PublishedJan-2014
PublisherCRC PRESS-TAYLOR & FRANCIS GROUP
Conference LocationMAR 24-27, 2014, St Anton am Alberg, AUSTRIA
ISBN Number978-1-138-02641-4; 978-1-315-76203-6
Abstract

With ever more challenging (T, p) environments for cementing applications in oil and gas wells, there is a need to change the classical paradigm of constitutive modeling of the early-age behavior of cementitious materials in oil-and gas well applications. Herein, we propose a bottom-up approach, which starts at the molecular scale of calcium-silicate-hydrates (C-S-H), and propagates this understanding via incremental poroelastic upscaling methods to the meso-and macroscale, and ultimately to the scale of engineering applications. With a clear focus on engineering risk-of-fracture evaluations, we show how to integrate this bottom-up approach with fracture mechanics.

DOI10.1201/b16645-8
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