Creep and Shrinkage of Concrete Subjected to Variable Environmental Conditions

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F14%3A00221042" target="_blank" >RIV/68407700:21110/14:00221042 - isvavai.cz</a>
Result on the web
<a href="http://mech.fsv.cvut.cz/wiki/images/c/ca/PhD_thesis_Havlasek_2014.pdf" target="_blank" >http://mech.fsv.cvut.cz/wiki/images/c/ca/PhD_thesis_Havlasek_2014.pdf</a>
DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Creep and Shrinkage of Concrete Subjected to Variable Environmental Conditions
Original language description
This thesis deals with the numerical modeling of concrete creep and shrinkage at variable environmental conditions. At lower relative humidity concrete creeps more slowly than at full saturation but during drying it creeps faster. Creep is also accelerated at elevated temperature or by temperature variations. One of the physically based models for concrete creep and shrinkage that takes into account variable temperature and humidity is based on the theory of microprestress and solidification (MPS). Unlike the MPS model to the models from the design codes which use the average cross-sectional approach, the MPS model operates at the material point level, which makes it possible to capture the stress distribution more realistically. Assessment of the MPSmodel is the main topic of this work. Several severe deficiencies of this model have been identified and appropriate remedies have been proposed. Comparing to the experiments, the original formulation of the MSP model exhibited the opposi
Czech name
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Czech description
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Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
S - Specificky vyzkum na vysokych skolach

Publication year
2014
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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