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Effective creep Poisson's ratio for damaged concrete

โœ Scribed by Li Zhaoxia

Publisher
Springer Netherlands
Year
1994
Tongue
English
Weight
309 KB
Volume
66
Category
Article
ISSN
1573-2673

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โœฆ Synopsis

First, creep data are presented for concrete under high sustained compressive stress which is, over the long-term strength of the concrete. Creep in both axial and lateral directions is reported. Creep Poisson's ratio has remarkable change before failure, and a sharp increase of creep Poisson's ratio can be observed in the region of failure.

Secondly, a damage model is developed for the analysis of creep damage in both axial and lateral directions; effective Poisson's ratio of damaged material as a model parameter plays an important role for evaluating lateral damage, which is similar to the effective Young's modulus in evaluating axial damage.

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