Hygro-mechanical model for concrete pavement with long-term drying analysis
Concrete pavements are subjected to the combination of moisture transport, heat transport and traffic loading. A hygro-mechanical 3D finite element model was created in OOFEM software in order to analyse the stress field and deformed shape from a long-term non-uniform drying. The model uses a stagg...
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| Format: | Article |
| Language: | English |
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CTU Central Library
2023-07-01
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| Series: | Acta Polytechnica CTU Proceedings |
| Subjects: | |
| Online Access: | https://ojs.cvut.cz/ojs/index.php/APP/article/view/9226 |
| _version_ | 1797743615589482496 |
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| author | Jakub Veselý Vít Šmilauer |
| author_facet | Jakub Veselý Vít Šmilauer |
| author_sort | Jakub Veselý |
| collection | DOAJ |
| description |
Concrete pavements are subjected to the combination of moisture transport, heat transport and traffic loading. A hygro-mechanical 3D finite element model was created in OOFEM software in order to analyse the stress field and deformed shape from a long-term non-uniform drying. The model uses a staggered approach, solving moisture transfer weakly coupled with MPS viscoelastic model for ageing concrete creep and shrinkage. Moisture transport and mechanical sub-models are calibrated with lab experiments, long-term monitoring on D1 highway and data from 40 year old highway pavement. The slab geometry is 3.5×5.0×0.29 m, resting on elastic Winkler-Pasternak foundation. The validation covers autogenous and drying strain on the slab. The models predict drying-induced tensile stress up to 3.3 MPa, inducing additional loading on the slab, uncaptured by current design methods.
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| first_indexed | 2024-03-12T14:58:00Z |
| format | Article |
| id | doaj.art-e4dc693310e4429eb62473c7b0b9d2d8 |
| institution | Directory Open Access Journal |
| issn | 2336-5382 |
| language | English |
| last_indexed | 2024-03-12T14:58:00Z |
| publishDate | 2023-07-01 |
| publisher | CTU Central Library |
| record_format | Article |
| series | Acta Polytechnica CTU Proceedings |
| spelling | doaj.art-e4dc693310e4429eb62473c7b0b9d2d82023-08-14T12:14:25ZengCTU Central LibraryActa Polytechnica CTU Proceedings2336-53822023-07-014010.14311/APP.2023.40.0104Hygro-mechanical model for concrete pavement with long-term drying analysisJakub Veselý0Vít Šmilauer1Czech Technical University in Prague, Faculty of Civil Engineering, Department of Mechanics, Thákurova 7, 166 29 Prague 6, Czech RepublicCzech Technical University in Prague, Faculty of Civil Engineering, Department of Mechanics, Thákurova 7, 166 29 Prague 6, Czech Republic Concrete pavements are subjected to the combination of moisture transport, heat transport and traffic loading. A hygro-mechanical 3D finite element model was created in OOFEM software in order to analyse the stress field and deformed shape from a long-term non-uniform drying. The model uses a staggered approach, solving moisture transfer weakly coupled with MPS viscoelastic model for ageing concrete creep and shrinkage. Moisture transport and mechanical sub-models are calibrated with lab experiments, long-term monitoring on D1 highway and data from 40 year old highway pavement. The slab geometry is 3.5×5.0×0.29 m, resting on elastic Winkler-Pasternak foundation. The validation covers autogenous and drying strain on the slab. The models predict drying-induced tensile stress up to 3.3 MPa, inducing additional loading on the slab, uncaptured by current design methods. https://ojs.cvut.cz/ojs/index.php/APP/article/view/9226concrete pavementhygro-mechanical analysiscreepshrinkage |
| spellingShingle | Jakub Veselý Vít Šmilauer Hygro-mechanical model for concrete pavement with long-term drying analysis Acta Polytechnica CTU Proceedings concrete pavement hygro-mechanical analysis creep shrinkage |
| title | Hygro-mechanical model for concrete pavement with long-term drying analysis |
| title_full | Hygro-mechanical model for concrete pavement with long-term drying analysis |
| title_fullStr | Hygro-mechanical model for concrete pavement with long-term drying analysis |
| title_full_unstemmed | Hygro-mechanical model for concrete pavement with long-term drying analysis |
| title_short | Hygro-mechanical model for concrete pavement with long-term drying analysis |
| title_sort | hygro mechanical model for concrete pavement with long term drying analysis |
| topic | concrete pavement hygro-mechanical analysis creep shrinkage |
| url | https://ojs.cvut.cz/ojs/index.php/APP/article/view/9226 |
| work_keys_str_mv | AT jakubvesely hygromechanicalmodelforconcretepavementwithlongtermdryinganalysis AT vitsmilauer hygromechanicalmodelforconcretepavementwithlongtermdryinganalysis |