Pointed to the quality inspecting problems of zinc coating for the steel tower unints when they have been on the process of hot coating dip galvanizing,this paper have summarized the quality inspeceing method including three aspects such as deposit rate,homogeneity,cohesions for the zinc galvanizing layer.

The analysis on torsional vibration by wind in triangular steel pipe tower;

Testing and study on structure and load-carrying capacity of tubular tower and frame for 750 kV power transmission and transformation;

Summary of the construction technology of the prestressed cast-in-place box beam steel pipe support;