Optimization of the Structural Design of Transmission Tower Based on Simultaneous Topographical Algorithm and Structural Analysis Strategies

A H, BIRIMA and F, USMAN and K N, MUSTAPHA and M A, ALAM and S, BEDDU and S, THIRUCHELVAM and T.S, LOONG and Z, CHE MUDA (2015) Optimization of the Structural Design of Transmission Tower Based on Simultaneous Topographical Algorithm and Structural Analysis Strategies. In: Third International Conference on Advances in Civil and Structural Engineering - CSE 2015, 11-12 APRIL 2015, Kuala Lumpur, Malaysia.

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Optimization of transmission tower structures is traditionally based on either optimization of members sizes with fixed topographical shape or based on structural analysis modelling strategies without taking cognizance of fabrication and constructability issue facing the contractors . This paper look into an integrated optimum design approach strategies whereby topographical factor is simultaneously integrated with the structural modelling strategy using truss and truss-beam analysis taking cognizance of fabrication cost in the construction of the transmission tower. The topographical algorithm is based on changing the inclination degree of the legs of the tower initially with optimum individual members sizing and structural modelling strategies. There after rationalized member sizes are performed through member groupings for the ease fabrication and construction of the transmission tower. First the weight optimizations on individual members are computed and designed to achieve the least weight of the overall structure using the truss and truss-beam modelling strategies. Subsequently the individual members are group as member grouping to achieve the the optimum fabrication in terms of cost and ease of fabrication of the tower. The optimum weight using topographical algorithm obtained for the transmission tower is 10,924 kg for singular members and 18,430 kg for element grouping at 10o inclination angle after taking due cognizance of foundation loadings and deflections. Optimum design based on topographical algorithm for fabrication cost and ease of construction play a crucial role in the sustainable design and construction of the power transmission tower structures.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: optimization, topographical algorithm, transmission tower, structural analysis, modelling
Depositing User: Mr. John Steve
Date Deposited: 07 May 2019 10:13
Last Modified: 07 May 2019 10:13
URI: http://publications.theired.org/id/eprint/1992

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