This work was recognized by several well-known personalities, including President Joe Biden and other unions.
Organizers and workers are making the final decision in the first Amazon warehouse unio...
The location of high-strength bolt should be reasonable, and the construction space of the torque breaker and torque wrench should be considered. Do not install the high-strength bolt because the ...
1.Steel structure should be used correctly in the construction process.
2.When the steel roof is installed, the safety net must be arranged and installed, and the pull bar should be ...
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...
The characteristics of steel are high strength, light self weight, good overall rigidity and strong deformation ability, so it is particularly suitable for building large-span and super high, supe...