Research Articles | Challenge Journal of Concrete Research Letters

Comparative Study of The Effects of Wind and Earthquake Loads on High-rise Buildings

Khaled Mohamed Heiza, Magdy A. Tayel


It is very essential to consider the effects of lateral loads induced from wind and earthquakes in the design of reinforced concrete structures, especially for high-rise buildings. The Egyptian Code of Practice for Calculating Loads and Forces in Structural and Building Works, 1993 and 2003 gives simplified methods for calculating such loads. In some cases effects of earthquakes are found to be dominant and more critical than wind effects. This depends on some factors defined by codes. In this research the both effects will be studied and compared according to the Egyptian Code 1993 and 2003. The codes are reviewed for wind and earthquake analysis and discussed to show all factors affecting the design. A computer program is developed to analyze the structural buildings behavior under wind pressure defined as well as equivalent static loads for earthquakes considering all factors in the codes. Application examples for buildings with different heights, floor weights and boundary conditions for both winds and earthquakes such as the intensity of the wind pressure, the seismic zone coefficient, the importance factor, structural system factor and the soil coefficient are analyzed and discussed for the purpose of comparison. Some recommendations are suggested to improve the resistance of the structural and environmental systems of the buildings with respect to lateral loads. Finally Egyptian seismic map, tables of different shape effect and structural systems are provided to help structural designers and researches during design process.


high-rise buildings; Egyptian code; wind pressure; equivalent static loads; zone factor; structural factor; soil factor; importance factor

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Egyptian code of practice for design and construction of reinforced concrete structures. Research Center for Housing, Building and Physical Planning 1995.

Egyptian code of practice for calculating loads and forces in structural and building works. Research Center for Housing, Building and Physical Planning 1993.

Egyptian code of practice for calculating loads and forces in structural and building works. National Research Center for Housing, Building and Physical Planning 2003.

Michael, R. L. and Majid B. Seismic design of building structures. Professional publications, Inc. Belmont, CA, USA, Eighth edition. 2001.

Taranath S. B. Reinforced concrete design of tall buildings. CRC press Taylor & Francis Group 2010.[6] Moussad, A. A., Zosso, A, and Resta R. Tall buildings under multidirectional winds: response

prediction and reduction. Wind tunnels and experimental fluid dynamics research journal 2011, pp 301-324.

Azab, M. Structural sustainability techniques for RC high rise buildings. World academy of science, engineering and technology 61, 2010.

Yang, Z., Sarhar, P and Hui, H. An experimental study of a high-rise building model in tornadolike winds. Journal of fluid and structures 27, 2011. pp 471-486.

Londhe, R.S. Shear strength analysis and predication of reinforced concrete transfer beams in high-rise buildings. Structural engineering and mechanics 2011. vol.37, No.1, pp 39-59.

lawrence G. G. Serviceability limit states under wind load. Engineering journal of american institute of steel construction 2003.

Boggs, D and Dragovich, J. The nature of wind loads and dynamic response 2007 Sp-240-2.

Shunsuker, O. Japanese seismic design of high-rise reinforced concrete buildings-An example

of performance based design code and state of practices. 13th world conference on earthquake engineering Vancouver, B.C., Canada. 2004. paper No. 5010.

Wood, D. R and Whittaker, D. Seismic design of high-rise structures in Dubai, UAE. 8th pacific conference on earthquake engineering, Singapore 2007. paper No. 053.

Mendis, P., Ngo, T., Haritos, N., Hira, A., Samali, B. and cheung, J. Wind loading on tall buildings. EJSE international special Issue: loading on structures 2007.

Merrick, R and Bitsuamlak, G. Shape effects on the wind-induced response of high-rise buildings. Journal of wind and engineering, 2009. vol.6, No. 2,. pp 1-18.

Mir, M. A. and Moon, S. K. Structural developments in tall buildings: current trends and future prospects. Architectural science review 2007. vol. 50.3, pp 250-223.

El-Leithy, N. F., Hussein, M.M. and Attia, W.A. Comparative study of structural systems for tall buildings. Journal of American science, 7 (4), 2011, pp 707-719.


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