Study of Chronological Development and Design of Transmission Tower

The test procedure and structural behavior are discussed and compared to predictions from alternative methods of analysis. The prototype satisfied primary design objectives for behavior and could offer significant advantages relative to current design practice for power transmission structures. Currently, many resources exist to help designers accurately define and apply transverse loads to power transmission structures. However, there is less guidance available for longitudinal loads such as those applied by broken conductors. Current practice focuses on mitigating the effects of cascade events rather than stopping them altogether. An alternative approach for considering longitudinal loading is discussed that could prevent cascades through the use of the prototype structure that can sustain high loads while undergoing large longitudinal deflections. Such an approach could increase system reliability and security while reducing both initial and life-cycle costs of the power transmission infrastructure.