Electrical Transmission Tower Types and Design

The main supporting unit of overhead transmission line is transmission tower. Transmission towers have to carry the heavy transmission conductor at a sufficient safe height from ground. In addition to that all towers have to sustain all kinds of natural calamities. So transmission tower designing is an important engineering job where all three basic engineering … Read more

Methods of Transmission Tower Erection

There are four main methods of erection of steel transmission towers which a re described below: Build-up method or Piecemeal method. Section method. Ground assembly method. Helicopter method. Build Up Method of Transmission Tower Erection This method is most commonly used in India for the erection of 6.6 kV, 132 kV, 220 kV and 400 … Read more

Basic Concept of Transmission Tower Foundation

Foundation of any structure plays an important role in safety and satisfactory performance of the structure as it transmits mechanical loads of the electrical transmission system to earth. A transmission structure Without having a sound and safe foundation, it cannot perform the functions for which it has been designed. The foundations in various types of … Read more

Design of Foundations of Transmission Towers in different Soils

Design of Foundation of Transmission Towers in Different Soils All foundation shall be of RCC. The design and construction of RCC structures shall be carried out as per IS:456 and minimum grade of concrete shall be M-20. Limit state method of design shall be adopted. Cold twisted deformed bars as per IS:1786 or TMT bars … Read more