Concept on positioning of Columns

1)

Ans:-

• Symmertry:

It is observed that the given layout of the framing plan has good symmetrical aspects.

In this plan all the columns and beams are evenly distributed the loads .

• Redundancy:

As the structural design of beams and columns can evenly distribute the loads , this increases the redundancy of the structure, so the structure can resist the earth quick.

• Bi-directional Stifness:

As the given plan is symmetric ( stiffness also symmetric ), therefore the masses acting on it will be safe .

• Ductility:

The structure is within the elastic limit .

2)

Ans:-

The possible type of irregularities for the given structure are:

• Soft storey irregularity:

1.The columns in one storey is longer than the above.

2.Strong and stiffness of the upper floors due to shear walls.

• Some provisions to avoid the irregulrities:

The building is torsionally irregular So there is a requirement of additional reinforcement.

The mass irregulrity of the structure is avoided by providing light weight concrete/ Low weight masonary .

The structure should be in symmetric .

3)

Ans:-

• There is no proper distribution of loads , it's un-symmetric structure.
• There is no proper provision of redundancy in the vertical direction.
• The junction of the beam and columns should be strong.
• The structural design is improper.
• The structure has weak columns and strong beams .