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作者:A.T. Siacara , A.T. Beck , M.M. Futai
来源:[J].Computers and Geotechnics(IF 1.224), 2020, Vol.118
摘要:Abstract(#br)This paper combines seepage analysis with limit equilibrium analysis to investigate the safety of an earth dam over time and during drawdown. The numerical investigation is accomplished by directly coupling the deterministic software packages Seepage/W and Slope...
作者:... L.F.R. Espath , L.F.F. Miguel , A.T. Beck
来源:[J].Engineering Structures(IF 1.713), 2019, Vol.186, pp.1-12
摘要:Abstract(#br)This paper addresses the reduction of the computational burden of structural reliability maximization of passively controlled buildings subject to transient loading. Such a reduction is accomplished by means of Stochastic Gradient Descent (SGD) algorithms, which...
作者:K.R.M. dos Santos , A.T. Beck
来源:[J].Latin American Journal of Solids and Structures(IF 1.24), 2019, Vol.12 (4), pp.624-648
摘要:In recent years, new, intelligent and efficient sampling techniques for Monte Carlo simulation have been developed. However, when such new techniques are introduced, they are compared to one or two existing techniques, and their performance is evaluated over two or three problems...
作者:C.R. Avila da S. , A.T. Beck
来源:[J].Probabilistic Engineering Mechanics(IF 1.086), 2015, Vol.40, pp.90-96
摘要:Abstract(#br)The Neumann series is a well-known technique to aid the solution of uncertainty propagation problems. However, convergence of the Neumann series can be very slow, often turning its use highly inefficient. In this article, a λ convergence parameter is introduced,...
作者:A.T. Beck
来源:[J].Probabilistic Engineering Mechanics(IF 1.086), 2007, Vol.23 (2), pp.134-145
摘要:Abstract(#br)This paper addresses the time-variant reliability analysis of structures with random resistance or random system parameters. It deals with the problem of a random load process crossing a random barrier level. The implications of approximating the arrival rate of...
作者:... G.F. Napa-García , A.T. Beck , M.M. Futai
来源:[J].Journal of Rock Mechanics and Geotechnical Engineering, 2019
摘要:Abstract(#br)Numerical methods are helpful for understanding the behaviors of geotechnical installations. However, the computational cost sometimes may become prohibitive when structural reliability analysis is performed, due to repetitive calls to the deterministic solver. ...
作者:W.C. Santiago , A.T. Beck
来源:[J].Revista IBRACON de Estruturas e Materiais, 2018, Vol.10 (4), pp.906-923
摘要:ABSTRACT This paper presents a new evaluation of the strength compliance of concretes produced in Brazil. It is based on experimental results of over twenty-seven thousand concrete samples from different parts of the country. Results show that a significant part of Brazilian conc...
作者:W.L.A. de Oliveira , A.T. Beck , A.L.H.C. El Debs
来源:[J].Revista IBRACON de Estruturas e Materiais, 2018, Vol.1 (3), pp.212-236
摘要:Este artigo apresenta uma investigação da segurança de pilares mistos preenchidos de seção circular, dimensionados segundo a norma brasileira NBR 8800:2008. Esta investigação é feita com base na comparação de previsões normativas com a resistência obtida em 32 ensa...

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