Analysis of the stress state at the double-step joint in heavy timber structures
The double-step joint is among the most frequently used layouts, within carpentry joints, for transmitting higher forces that would allow a single notch. They are especially effective in heavy timber structures. Nowadays, computer-aided manufacturing is being used more often, demanding further progr...
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Consejo Superior de Investigaciones Científicas
2019-09-01
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doaj-93310ad2a0ed4ac791d8a6bfd2d82b482021-05-05T07:36:25ZengConsejo Superior de Investigaciones CientíficasMateriales de Construccion0465-27461988-32262019-09-0169335e196e19610.3989/mc.2019.003192181Analysis of the stress state at the double-step joint in heavy timber structuresJ. R. Villar-García0https://orcid.org/0000-0003-1283-606XP. Vidal-López1https://orcid.org/0000-0002-8941-604XJ. Crespo2https://orcid.org/0000-0003-1517-4030M. Guaita3https://orcid.org/0000-0001-9159-7348Departamento de Ingeniería del Medio Agronómico y Forestal, Centro Universitario de Plasencia, Universidad de ExtremaduraGrupo de Investigación Ingeniería Mecánica y Fluidos, Departamento de Ingeniería del Medio Agronómico y Forestal, Universidad de ExtremaduraPlataforma de Ingeniería de la Madera Estructural, Escuela Politécnica Superior, Universidad de Santiago de CompostelaPlataforma de Ingeniería de la Madera Estructural, Departamento de Ingeniería Agroforestal, Universidad de Santiago de CompostelaThe double-step joint is among the most frequently used layouts, within carpentry joints, for transmitting higher forces that would allow a single notch. They are especially effective in heavy timber structures. Nowadays, computer-aided manufacturing is being used more often, demanding further progress in its understanding. The conventional design of these joints is conducted by using simplifying assumptions, in particular regarding the shear stress distribution. This is overcome by the use of strength reduction coefficient, which is currently under study. Numerical simulation and experimental tests were carried out with heavy timber cross-sections for rafter to tie-beam truss joint. They were manufactured in glue-laminated timber owing to the large cross-sections tested. Experimental load-strain and load-displacement diagrams were compared with numerical results. This allowed observing the great shear stress concentration produced in the failure by shear crack, which suggests the application of conservative shear strength reduction coefficients.http://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/2256woodmethod of finite elementsmodelizationmechanical propertiesdeformation |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
J. R. Villar-García P. Vidal-López J. Crespo M. Guaita |
spellingShingle |
J. R. Villar-García P. Vidal-López J. Crespo M. Guaita Analysis of the stress state at the double-step joint in heavy timber structures Materiales de Construccion wood method of finite elements modelization mechanical properties deformation |
author_facet |
J. R. Villar-García P. Vidal-López J. Crespo M. Guaita |
author_sort |
J. R. Villar-García |
title |
Analysis of the stress state at the double-step joint in heavy timber structures |
title_short |
Analysis of the stress state at the double-step joint in heavy timber structures |
title_full |
Analysis of the stress state at the double-step joint in heavy timber structures |
title_fullStr |
Analysis of the stress state at the double-step joint in heavy timber structures |
title_full_unstemmed |
Analysis of the stress state at the double-step joint in heavy timber structures |
title_sort |
analysis of the stress state at the double-step joint in heavy timber structures |
publisher |
Consejo Superior de Investigaciones Científicas |
series |
Materiales de Construccion |
issn |
0465-2746 1988-3226 |
publishDate |
2019-09-01 |
description |
The double-step joint is among the most frequently used layouts, within carpentry joints, for transmitting higher forces that would allow a single notch. They are especially effective in heavy timber structures. Nowadays, computer-aided manufacturing is being used more often, demanding further progress in its understanding. The conventional design of these joints is conducted by using simplifying assumptions, in particular regarding the shear stress distribution. This is overcome by the use of strength reduction coefficient, which is currently under study. Numerical simulation and experimental tests were carried out with heavy timber cross-sections for rafter to tie-beam truss joint. They were manufactured in glue-laminated timber owing to the large cross-sections tested. Experimental load-strain and load-displacement diagrams were compared with numerical results. This allowed observing the great shear stress concentration produced in the failure by shear crack, which suggests the application of conservative shear strength reduction coefficients. |
topic |
wood method of finite elements modelization mechanical properties deformation |
url |
http://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/2256 |
work_keys_str_mv |
AT jrvillargarcia analysisofthestressstateatthedoublestepjointinheavytimberstructures AT pvidallopez analysisofthestressstateatthedoublestepjointinheavytimberstructures AT jcrespo analysisofthestressstateatthedoublestepjointinheavytimberstructures AT mguaita analysisofthestressstateatthedoublestepjointinheavytimberstructures |
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1721468639236849664 |