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Experimental study of the effects of continuous rod hold-down anchorages on the cyclic response of wood frame shear walls
Indexado
WoS WOS:000617781400003
Scopus SCOPUS_ID:85098693708
DOI 10.1016/J.ENGSTRUCT.2020.111641
Año 2021
Tipo artículo de investigación

Citas Totales

Autores Afiliación Chile

Instituciones Chile

% Participación
Internacional

Autores
Afiliación Extranjera

Instituciones
Extranjeras


Abstract



When designing mid-rise wood frame buildings in high seismicity areas, overturning moments induce large tensile forces in the anchoring system that cannot be resisted by conventional discrete hold-downs. To address this issue, continuous rod hold-downs are used instead to transfer the generated tensile loads to the foundation. However, investigations on the lateral response of wood frame walls employing this anchorage system are quite limited. This paper presents an experimental-numerical study aimed at providing a better understanding of the response of such walls under lateral loads. Four specimens with different configurations were tested under lateral cyclic load, and their behavior was compared with that of walls with discrete hold-downs. Results showed that employing the continuous rod system increases the wall strength by 35.8%, with the specimens behaving elastically up to drifts of about 0.8%. The walls exhibited a marked stiffness degradation during the tests, keeping a residual value of about 15-20% of the initial stiffness. Further analyses showed that the Special Design Provisions for Wind and Seismic (SDPWS) guidelines underestimate the wall strengths by 39.9% and overestimate the stiffnesses by 37.5%, on average. Finally, a nonlinear model was developed to investigate the specimens of this research in depth, showing a special failure pattern that concentrates the damage in the nails located at the central studs of the wall.

Revista



Revista ISSN
Engineering Structures 0141-0296

Métricas Externas



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Disciplinas de Investigación



WOS
Engineering, Civil
Scopus
Civil And Structural Engineering
SciELO
Sin Disciplinas

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Publicaciones WoS (Ediciones: ISSHP, ISTP, AHCI, SSCI, SCI), Scopus, SciELO Chile.

Colaboración Institucional



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Autores - Afiliación



Ord. Autor Género Institución - País
1 Estrella, Xavier Hombre Univ Technol Sydney - Australia
Pontificia Universidad Católica de Chile - Chile
University of Technology Sydney - Australia
2 Malek, Sardar Hombre Univ Victoria - Canadá
University of Victoria - Canadá
3 ALMAZAN-CAMPILLAY, JOSE LUIS Hombre Pontificia Universidad Católica de Chile - Chile
4 Guindos Bretones, Pablo Hombre Pontificia Universidad Católica de Chile - Chile
5 SANTA MARIA-OYANEDEL, RAUL HERNAN Hombre Pontificia Universidad Católica de Chile - Chile

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Financiamiento



Fuente
CORFO
Corporación de Fomento de la Producción
Pontifical Catholic University of Chile
ANID
Agencia Nacional de Investigación y Desarrollo
UC Research Vice-Rectory
UTS-GRS

Muestra la fuente de financiamiento declarada en la publicación.

Agradecimientos



Agradecimiento
The tests discussed and analyzed in this paper were conducted in the facilities of the Laboratory of Structural Engineering at the Pontifical Catholic University of Chile, in Santiago, Chile. This research was funded by ANID (scholarship No 2019-21191267), CORFO (grant No 16BPE62260), UC Research Vice-Rectory, and UTS-GRS. The authors thank Jairo Montano for his valuable support along the experimental program presented in this paper.
The tests discussed and analyzed in this paper were conducted in the facilities of the Laboratory of Structural Engineering at the Pontifical Catholic University of Chile, in Santiago, Chile. This research was funded by ANID (scholarship Nº 2019-21191267), CORFO (grant Nº 16BPE-62260), UC Research Vice-Rectory, and UTS-GRS. The authors thank Jairo Montaño for his valuable support along the experimental program presented in this paper.

Muestra la fuente de financiamiento declarada en la publicación.