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This paper takes common material ( including Q345、Q420angle steel,Q345、Q420 large size angle steel, Q345、Q420、Q460 steel pipe)of tower in 500kV transmission lines as the object to carry out the application technology of life design evaluation and comprehensive comparison research. According to the State Grid guidelines for transmission line of whole life cycle design and construction (for Trial Implementation), the economic and technical evaluation of different tower material are carried out in 6 indexes of whole life cycle design evaluation by fuzzy hierarchy evaluation method, and the life cycle assessment and discuss of different material in design scheme of 500kV transmission lines tower are analyzed and evaluated. Keywords—tower materials;fuzzy hierarchy evaluation;weight vector; life cycle design; assessment;

Life Cycle Design Evaluation and Application of Common Power Transmission Tower Material