It is well known that the current design rules adopted by international codes such as ISO 14346 and guides, e.g., CIDECT guide No. 3, for chord sidewall failure in mild steel rectangular hollow section (RHS) joints under brace axial compression are considerably conservative, if RHS adequately supported out-of-plane. This paper presents an investigation into using grades up to S960. Representati...

In this paper, static performance of square concrete-filled double-skin steel tube (CFDST) chord to hollow section (SHS) brace T-joints are investigated through experimental and numerical studies. Twelve specimens, including 8 with CFDST chord, 2 (CFST) SHS as counterparts, were tested under continuously increasing compressive force on the concentric compression load applied simultaneously chor...

We present a Parylene neural microprobe array and the first demonstration of deep brain (> 5 mm) implantation of bare polymer probes, enabled by a novel micropackaging technique. Targeting brain sites below the surface of the cortex with soft polymer probes typically requires bulky overcoats or insertion shuttles, which greatly increase probe dimensions and tissue damage, negating advantages of...

This paper describes an experimental investigation into the seismic behavior and efficiency of steel frames with special bracing infills. Cold formed steel studs (CFSS), typically used in nonstructural partition walls, were studied to determine if they could be used to laterally restrain braces against buckling and thus enhance their seismic performance. Four specimens were ductile designed and...

The introduction of new materials can significantly improve the performance existing dampers, but constitutive model is difficult to be obtained in a short time, which makes its numerical simulation difficult. Bouc–Wen–Baber–Noori (BWBN) well describe stress-strain relationship materials, and it helpful introduce into simulation. In this paper, high manganese steel material used fabricate buckl...