Section beam

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Section Beams are made of steel and they have a specific lengths and shapes like I-beam, L , channel and I flanged beam. These types of section are usually used in steel structures and they are connected by plates of steel too.

[edit] Joints

There are three methods of connection and they are :

• Rivets
• Nails
• Welding

The strongest method of connection is the riveted method and it is the most used one.^{[citation needed]}

[edit] Safety

There are some methods of calculation to see if the design of the truss or the construction is safe or not.^{[citation needed]}