This paper is concerned with the economical comparison between two commonly used configurations for double layer grids and determining their optimum span-depth ratio. Two ranges of spans as small and big sizes with certain bays of equal length in two directions and various types of element grouping are considered for each type of square grids. In order to carry out a precise comparison between ...

The block shear equations specified in the current AISC specification for structural steel buildings and North American cold-formed design specifications are based on research results of carbon bolted connections. These were found to be inapplicable welded connections literature. This issue is primarily associated with use incorrect assumption failure mechanism. present paper examines accuracy ...

this article considers the seismic behavior of beam-to-column joints in steel frames for different bolt arrangements by using of finite element modeling. as the most important beam-to-column joint type, the beam-to-column joints with end-plate is chosen for the analysis. four different specimens have been analyzed. these models had some differences such as bolt arrangement and the presence or a...

This paper makes the case for a single-ISA heterogeneous computing platform, AISC, where each compute engine (be it a core or an accelerator) supports a different subset of the very same ISA. An ISA subset may not be functionally complete, but the union of the (per compute engine) subsets renders a functionally complete platform-wide single ISA. Tailoring the microarchitecture of each compute e...

Meeting customer demands for higher quality is a major business focus in the development of steel products. The quality of steel can be increased in many ways, for example, by improving its toughness or its resistance to atmospheric corrosion or by making thinner sections without sacrificing strength. As the largest steel supplier in the world, Nippon Steel Corporation (NSC) receives many kinds...

The automotive industry is using more and more of Advanced High Strength Steel in order to reduce the weight of the car. Since this will generate more springback, it is of vital importance to be able to predict the amount of springback in the parts. Otherwise, many late changes have to be made in order to fit the parts in their position. In order to increase the ability to understand and test t...

The lateral-torsional buckling (LTB) strength of cellular steel girders that were subjected to web distortion was rarely examined. Since no formulation has been presented for predicting the capacity of such beams, in the current paper an extensive numerical investigation containing 660 specimens was modeled using finite element analysis (FEA) to consider the ultimate lateral-distortional buckli...

As ligações em estruturas de aço são cruciais para a segurança das construções, unindo vigas e pilares garantindo estabilidade. A ligação entre é especialmente importante, transmitindo as cargas os elementos. escolha da conexão depende do tipo estrutura, montagem. No presente trabalho foi desenvolvido método computacional calcular usando chapas pinos, seguindo padrões AISC-ASD:2005 - American I...

In this paper, the discrete method of eigenvectors of covariance matrix has been used to weight minimization of steel frame structures. Eigenvectors of Covariance Matrix (ECM) algorithm is a robust and iterative method for solving optimization problems and is inspired by the CMA-ES method. Both of these methods use covariance matrix in the optimization process, but the covariance matrix calcula...

Water spray cooling is a technique typically used in heat treatment and other metallurgical processes where controlled temperature regimes are required. Water spray cooling is used in static (without movement) or dynamic (with movement of the steel plate) regimes. The static regime is notable for the fixed position of the hot steel plate and fixed spray nozzle. This regime is typical for quench...