1.Cutting and cutting
During cutting and cutting, the width of flange plate is different, which results in the size difference between H-beam and bracket. The upper and lower flange plates of ste...
(1) Quality requirements for roofing works
When the roof works are subject to the acceptance of the divisional project, the quality shall meet the following requirements:1. There should be n...
chemical composition
Carbon: the main component of steel strength.With the increase of carbon content, the strength of steel is improved, but the plasticity, resistance to cold bending, weldabilit...
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Recently, the State Council issued the 2014-2015 energy conservation and emission reduction and low-carbon development action plan. In view of the severe situation of energy consumption and pollut...
The Consumer Building (left) and the Century Building (right) are empty, with the Dirkerson Federal Building looming behind it
Students rushing to class often don’t take the time to p...