{"_id":"ACfxznzkXnYGmmiRj","bibbaseid":"borsp-finiteelementmodelingofdeformationandcrackinginearlyageconcrete","author_short":["BorsP, d."],"bibdata":{"bibtype":"article","type":"article","title":"Finite‐Element Modeling of Deformation and Cracking in Early‐Age Concrete","abstract":"The main nonlinear phenomena that govern the deformationalbehavior of early-ageconcrete are the evolution of the stiffnessproperties, the development of thermal strains, creep, and cracking. A general approach for numerically simulatingthis type of behavior is presented. The thermomechanical problem is decoupledsuch that first a thermal analysisis carried out and then a stress calculationis performed. An interface program is used to map the results from the thermal analysisonto the input data required for the stress analysis.A brief reviewof the relations for the thermal-stressanalysisis given,followedby a more elaborate treatment of the algorithm used for the combinationof thermal strains,creep, and smeared cracking.To properly accommodatethese effectsin a finite-elementanalysis, a smeared-crackmodel is used that is rooted in a decomposition of the strain increments. The emphasis is on the general approach for properlyand efficientlyhandlingthesephenomena.A specialcase,namelya powertype creep law, is elaborated. It is shown that this relationship reasonably fits experimentaldata. A detailed descriptionof an examplecalculationthat demonstrates the potential of the numericalsimulationstrategy follows.","language":"en","author":[{"firstnames":["de"],"propositions":[],"lastnames":["BorsP"],"suffixes":[]}],"pages":"16","bibtex":"@article{de_borsp_finiteelement_nodate,\n\ttitle = {Finite‐{Element} {Modeling} of {Deformation} and {Cracking} in {Early}‐{Age} {Concrete}},\n\tabstract = {The main nonlinear phenomena that govern the deformationalbehavior of early-ageconcrete are the evolution of the stiffnessproperties, the development of thermal strains, creep, and cracking. A general approach for numerically simulatingthis type of behavior is presented. The thermomechanical problem is decoupledsuch that first a thermal analysisis carried out and then a stress calculationis performed. An interface program is used to map the results from the thermal analysisonto the input data required for the stress analysis.A brief reviewof the relations for the thermal-stressanalysisis given,followedby a more elaborate treatment of the algorithm used for the combinationof thermal strains,creep, and smeared cracking.To properly accommodatethese effectsin a finite-elementanalysis, a smeared-crackmodel is used that is rooted in a decomposition of the strain increments. The emphasis is on the general approach for properlyand efficientlyhandlingthesephenomena.A specialcase,namelya powertype creep law, is elaborated. It is shown that this relationship reasonably fits experimentaldata. A detailed descriptionof an examplecalculationthat demonstrates the potential of the numericalsimulationstrategy follows.},\n\tlanguage = {en},\n\tauthor = {de BorsP},\n\tpages = {16},\n}\n\n","author_short":["BorsP, d."],"key":"de_borsp_finiteelement_nodate","id":"de_borsp_finiteelement_nodate","bibbaseid":"borsp-finiteelementmodelingofdeformationandcrackinginearlyageconcrete","role":"author","urls":{},"metadata":{"authorlinks":{}}},"bibtype":"article","biburl":"https://bibbase.org/zotero/kongzh95","dataSources":["tAdPv9cJdcbuFicdv"],"keywords":[],"search_terms":["finite","element","modeling","deformation","cracking","early","age","concrete","borsp"],"title":"Finite‐Element Modeling of Deformation and Cracking in Early‐Age Concrete","year":null}