Abstract

This work includes the numerical simulation of different locations within one meter thick walls experimentally investigated by Mangold (1994). Mangold simulated the hardening process in different walls during the frist seven days with the help of a so called "cracking frame". Continuous measurings of deformations gave the basis to quantify the stresses and thus the zero-stress temperature in the studied locations.

The aim of the work is to verify the prediction of stress development of the finite element program COMET includind the constitutive model, developed by Cervera et al. (1999). The reference temperature used for the calculation of thermal strains in the model is discussed in relation to the zero-stress temperature given by Mangold (1994). Moreover the effect of viscosity and the chemical aspect of the model are studied. Starting from a given development of temperature from Mangold (1994), all parts of the cross-section could be simulated in one element. The predicted stress development is compared with the experimental results of Mangold (1994).

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Published on 01/11/17
Submitted on 24/10/17

Licence: CC BY-NC-SA license

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