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Title: Constitutive relationship of plain concrete under uniaxial load
Authors: LIU DING
Keywords: creep, dynamic, rate of loading, compressive strength, secant modulus, uniaxial loading
Issue Date: 3-Aug-2005
Citation: LIU DING (2005-08-03). Constitutive relationship of plain concrete under uniaxial load. ScholarBank@NUS Repository.
Abstract: An attempt was made here to extend the application of creep theories to modelling of concrete behaviour under rapid uniaxial loading. Three creep models were chosen for simulating the behavior of concrete under various rates of rapid loading. Two traditional creep calculation strategies and a new method developed especially for the B3 model was used. As a key contribution in the present work, a new creep multiplier term is proposed and implemented to enable modeling of strain-softening and unloading response. A wide range of reported experiments were simulated. It is apparent from the simulations that the creep model could be used to simulate the axial stress-strain relationship of concrete under different rates of loading fairly satisfactorily.
Appears in Collections:Ph.D Theses (Open)

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