Data collected from shake table tests of two, approximately one-third scale, two story flat plate frames utilizing shear reinforcement, as well as data from prior tests, were evaluated to assess the inter-story drift ratios when punching failures occur for reinforced concrete and post-tensioned slab-column connections with and without shear reinforcement. The drift ratios at punching for the sh...

This paper presents measurement and analysis of the dynamic response of a five-story building to very-high frequency excitation (> 100 Hz) from blasting vibrations originating from a contiguous excavation of rock. Velocity response measurements, in the rock and on the structure, were employed to calculate time correlated dynamic displacement response of the building to blasting. Time correlated...

plan irregularity causes local damages being concentrated in the irregular buildings. progressive collapse is also the collapse of a large portion or whole building due to the local damages in the structure. the effect of irregularity on the progressive collapse potential of the buildings is investigated in this study. this is carried out by progressive collapse evaluation of the asymmetric mid...

The Incremental Dynamic Analysis (IDA) represents a promising design approach to assess the performance and post-earthquake load carrying capacity of steel frames. Generally, only maximum transient inter-story drift is considered as damage intensity measure (DM), when IDA carried out. In Authors' opinion, better appraise all aspects characterizing state structures, additional DMs should be cons...

A method is presented for extracting features of approximate optimal brace types and locations large-scale steel building frames. The frame subjected to static seismic loads, the maximum stress in members minimized under constraints on number braces each story interstory drift angle. new formulation important from machine learning results using a support vector with radial basis function kernel...

Most control techniques in the structural engineering literature are aimed at improving performance of the primary structural part, but they may have limited or reverse effect on the nonstructural component during strong seismic events. In this paper, we emphasize the nonstructural performance using a cubic nonlinear active control system optimized in the frequency response functions of an SDOF...

Frame structures equipped with steel plate shear walls (SPSWs) have been widely used in high-rise buildings due to their good seismic performance. In this study, the strip model and combined were analyze performance of SPSWs. Furthermore, an improved genetic algorithm (IGA) was established optimize frame for 5, 10, 20 stories. For each layer, layout optimization conducted determine best configu...