Advantages of I-beams
H-type I-steel is also called wide flange I-steel, HW HM HN originated from the European standard,HEB is the German standard of I-steel, of which HW, HN I-steel has been widely used and produced in China. HEA HEB HEM can be seen on many German designs and is still difficult to buy on the domestic market. In the domestic steel structure project, if the amount is small, you can use steel plates of equal specifications to weld and splice. If the quantity is large, it is usually considered to use HW and HN steel with comparable mechanical properties instead. HW I-steel is mainly used in steel core column of reinforced concrete frame structure column, also known as stiff steel column; It is mainly used for columns in steel structures. HM steel height and flange width ratio is roughly 1.33~ 1.75, mainly used as steel frame column in steel structure, used as frame beam in dynamic load bearing frame structure; For example, device platform. The ratio of HN steel height to flange width is greater than or equal to 2; Mainly used for Bridges.
Little knowledge of I-beams
There are hot-rolled I-beams and hot-rolled H-beams. Only welding H-beam, not welding I-beam. I-beams do not contain H-beams. Both types of steel are used in buildings and steel structures. The two outer and inner sides of H-shaped steel have no inclination and are straight. This makes the welding splicing of H-beam steel easier to operate than I-beam steel, better mechanical properties, and can save a lot of materials and construction time. H-shaped steel mill is a special mill different from the rolling of I-beams. I-steel side length is small, height is large, can only withstand one-way force. H-shaped steel groove is deep and thick, and can withstand forces in two directions. I-beams can only be used for beams, and H-beams can be used for the bearing columns of the structure. Thickened I-beams are also easy to destabilize for load-bearing columns.
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