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Conductive Concrete: A Shielding Constructurion Material, A. P. Krause, L. Nguyen, Christopher Y. Tuan, J. D. Blasey
Conductive Concrete: A Shielding Constructurion Material, A. P. Krause, L. Nguyen, Christopher Y. Tuan, J. D. Blasey
Christopher Y. Tuan
Shielding against electromagnetic phenomenon is an increasingly important consideration on a global scale. Solar storms, privacy from electronic surveillance, and EMP weapons are just a few of the concerns that must be addressed. Current methods of protection are subject to high cost and often limited in scalability. Conductive concrete is a promising solution to both of these limitations. By adding several simple materials to traditional concrete, a new type of constructible electromagnetic shield can be produced. The following will discuss the design and testing of conductive concrete for EM shielding as well as the results of those tests.
Numerical Analysis Of Concrete-Filled Circular Steel Tubes, Yaohua Deng, Terri Norton, Christopher Tuan
Numerical Analysis Of Concrete-Filled Circular Steel Tubes, Yaohua Deng, Terri Norton, Christopher Tuan
Christopher Y. Tuan
Concrete-filled steel tubes have been widely used in building and bridge construction. In this paper, the flexural behaviour of concrete-filled steel tubes is investigated using finite-element analysis and theoretical sectional analysis. The numerical results from both analytical methods are validated against published experimental test results. It is shown that both methods are capable of predicting the elastic and the ultimate moment capacities of concrete-filled steel tubes. Due to its computational efficiency, theoretical sectional analysis is more suitable for the design of concrete-filled steel tubes than finite-element analysis.