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Displaying 101 - 125 of 218

Optimization and Multi-Hazard Design

July 6, 2009
Author(s)
Emil Simiu, Florian A. Potra
There is a growing interest in the development of procedures for the design of structures exposed to multiple hazards. The goal is to achieve safer and/or more economical designs than would be the case if the structures were analyzed independently for each

Mean Recurrence Intervals of Failure Wind Loads

August 1, 2008
Author(s)
Dat Duthinh, Joseph A. Main, Amelia P. Wright, Emil Simiu
The Commentary to the ASCE Standard 7-05 states that the nominal mean recurrence interval (MRI) of the wind speed inducing the design strength is about 500 years if the specified load factor is 1.5, as in early versions of ASCE 7, and somewhat higher than

Assessment of ASCE 7 Standard Wind Load Factors for Tall Building Response Estimates

May 1, 2008
Author(s)
Rene D. Gabbai, William P. Fritz, Amelia P. Wright, Emil Simiu
Wind load factors incorporated in the ASCE 7 Standard are based on rough approximations of wind effects and the uncertainties inherent in them. These factors are routinely applied to tall building design, even though the original calculations on which they

Building Orientation and Wind Effects Estimation

March 1, 2005
Author(s)
P Hanzlik, S M. Diniz, A Grazini, Mircea Grigoriu, Emil Simiu
The methodology for estimating wind effects presented in this paper is based on the database-assisted design approach. It accounts for the effects of wind directionality, for the effects of the uncertainties in the parameters that determine wind effects

Hurricane Damage Prediction Model for Residential Structures

November 1, 2004
Author(s)
Emil Simiu, J P. Pinelli, C Subramanian, L. Zhang, A Cope, K Gurley, James J. Filliben, S Hamid
This paper reports progress in the development of a practical probabilistic model for the estimation of expected annual damage induced by hurricane winds in residential structures. The estimation of the damage is accomplished in several steps. First, basic

Discussion of Definition of Wind Profiles in ASCE 7 by Yin Zhou and Ahsan Kareem

November 1, 2003
Author(s)
Emil Simiu, Fahim Sadek, Michael A. Riley
The discussion presents a critique of a paper published in the Journal of Structural Engineering, Aug. 2002, pp. 1082-1086. The main points of the discussion are: (1) the ASCE Standard definition of wind profiles is inconsistent with the ASCE definition of