1、 Before the fabrication of steel members, the factory shall carry out welding procedure qualification test according to the requirements of construction drawings.During the production process, ...
With the development of science and technology, grid structure is more and more widely used in all kinds of building structures. One of the most important reasons is the interaction between the co...
Steel structures help define our modern world. It is no exaggeration to say that steel production and construction are the main factors shaping our reality. Given the global importance of steel, pi...
Urban life, it seems that every day is spent on the bustle,
In high-rise buildings constructed of reinforced concrete,
Locked up his breath, forgetting the taste of freedom.
I want to have a yard,
...
The impact toughness of steel refers to the ability of steel to absorb mechanical kinetic energy in the process of fracture under impact load.It is a mechanical property to measure the impact resi...