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- Title
Dissipative Stahlblechverbindungen für aussteifende Wandscheiben aus Brettsperrholz.
- Authors
Schmidt, Tobias; Blaß, Hans Joachim
- Abstract
Dissipative steel plate connections for CLT diaphragms Due to their high shear strength and stiffness, cross laminated timber (CLT) members are especially suited for in-plane loads. The ductility and energy dissipation capacity of a CLT structure is mainly determined by the number and properties of the mechanical connections. Presently, the required energy dissipation capacity for earthquake loading is often achieved by metallic dowel-type fasteners loaded beyond their yield load. The load-slip curves for connections with laterally loaded dowel-type fasteners show pinched hysteresis loops under cyclic loads. Additionally, the achieved load at a certain displacement decreases under repeated loading - impairment of strength. For seismic loads, however, connections with stable load-slip behaviour and high energy dissipation under repeated loading are needed. In this contribution experimental, numerical and analytical investigations of newly developed dissipative steel plate-to-timber connections are presented. For the dissipative shear wall joints the typical pinching and impairment of strength of hysteresis loops could nearly completely be avoided by arranging a gap between the CLT members around the steel plate fastener. Dissipative joints for shear walls using steel plate fasteners have a simple geometry and are easy to manufacture and hence constitute an economic and robust solution.
- Publication
Bautechnik, 2017, Vol 94, Issue 11, p790
- ISSN
0932-8351
- Publication type
Article
- DOI
10.1002/bate.201700062