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Scarf joint for replacement of decayed rafter ends: experimental investigation of bearing capacity under combined loading
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SYSNO ASEP 0492790 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Scarf joint for replacement of decayed rafter ends: experimental investigation of bearing capacity under combined loading Author(s) Kunecký, Jiří (UTAM-F) RID, SAI, ORCID
Hasníková, Hana (UTAM-F) RID, SAI, ORCID
Kloiber, Michal (UTAM-F) RID, ORCID, SAI
Tippner, J. (CZ)
Sebera, V. (CZ)Number of authors 5 Article number TRD-06-03 Source Title WCTE 2018 World Conference on Timber Engineering. Proceedings. - Seoul : National Institute of Forest Science, 2018 - ISBN 979-11-6019-235-3 Number of pages 6 s. Publication form Medium - C Action WCTE 2018 World Conference on Timber Engineering Event date 20.08.2018 - 23.08.2018 VEvent location Soul Country KR - Korea, Republic of Event type WRD Language eng - English Country KR - Korea, Republic of Keywords scarf joint ; rafter ; carpentry ; combined loading Subject RIV JM - Building Engineering OECD category Construction engineering, Municipal and structural engineering R&D Projects DG16P02M026 GA MK - Ministry of Culture (MK) LO1219 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) EID SCOPUS 85058178557 Annotation The paper deals with experimental investigation of bearing capacity of timber lapped scarf joint intended for replacement of rafter ends decayed by moisture-related attack. Such a connection is loaded predominantly in the combination of bending and compression because of a member role in the roof structure. Thus, three groups and a group of reference samples have been tested in different combinations of normal/bending force. The tests conducted to verify the design model of the connection show relatively high values (28%) of bearing capacity when compared to the full profile of old wood. Experiments show little influence of the compressive force on the bearing capacity in bending. High compressive normal force with negligible momentum is typical for rafters in medieval wooden structures and for the ones the joint is especially intended. The result allows the use of the joint in many cultural heritage sites where the value of the original material is significant and minimal interventions are required in order to preserve the original state of the building. Workplace Institute of Theoretical and Applied Mechanics Contact Kulawiecová Kateřina, kulawiecova@itam.cas.cz, Tel.: 225 443 285 Year of Publishing 2019
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