Monday 22 August 2016

Comparison of Rigid Jointed / Pin Jointed Framing System

RIGID JOINTED FRAME

Advantages

1.More free space (allows openings)
2.Less numbers of Members
3.More sway as compared to braced frame

      Disadvantages

1.The flanges only resist the moment. Stress diagram is triangular (less utilization of area)
2.Connections are difficult to fabricate
3.Bulky sections are required

BRACED FRAME

Advantages

1.Full cross sectional area is utilized as members are mainly axially 
loaded
2.Simple connections, simple behaviors (direct load transfer)
3.Lesser sway
4.Easy to analyze
5.Capable of resisting accidental loads, twisting etc.
6.Easy to modify
7.Aesthetically appealing
8.Economical

    Disadvantages

1.More number of members
2.Difficult to provided openings
3.Heavy bracing s are required for long spans
4.Loads need to act essentially on joints
5.Design load for the Bracing design is always debatable
 

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