Experimental testing of joints for seismic design of lightweight structures. Part 2: Bolted joints in straps
نویسندگان
چکیده
منابع مشابه
Experimental Testing of Joints for Seismic Design of Lightweight Structures. Part 1: Screwed Joints in Straps
Connections in x-braced shear walls play a crucial role in the seismic performance of lightweight structures: they should be strong enough to allow energy dissipation via plastification of the diagonal straps. An extensive experimental research on tensile screwed joints between straps is reported here. Two dominant failure modes are identified: (1) tilting and net section failure (T+NSF) and (2...
متن کاملExperimental Testing of Joints for Seismic Design of Lightweight Structures. Part 3: Gussets, Corner Joints and X-braced Frames
An experimental campaign on joints of x-braced frames is presented. Tests are performed on strap-gusset joints and lower and upper corner joints. Many different phenomena and failure modes are observed in these tests. However, it is possible to see that only one failure mode can be accepted if a good seismic performance of the frame needs to be guaranteed: the net section failure of the diagona...
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Expressions were presented which can be used to estimate the strengths of continuous fiber reinforced composite laminates containing pin-loaded holes. The expressions apply to laminates containing either a single pin loaded hole, a single row of pin loaded holes, or two parallel rows of pin loaded holes.
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deployable scissor type structures are composed of the so-called scissor-like elements (sles), which are connected to each other at an intermediate point through a pivotal connection and allow them to be folded into a compact bundle for storage or transport. several sles are connected to each other in order to form units with regular polygonal plan views. the sides and radii of the polygons are...
Identification of Bolted Joints through Laser Vibrometry
We present a new technique for identifying the dynamics of bolted joints. The technique relies on the comparison of the overall dynamics of the bolted structure to that of a similar but unbolted one. The di!erence in the dynamics of the two systems can be attributed solely to the joint; modelling this di!erence in the dynamics enables us to construct a non-parametric model for the joint dynamic...
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ژورنال
عنوان ژورنال: Thin-Walled Structures
سال: 2006
ISSN: 0263-8231
DOI: 10.1016/j.tws.2006.04.006