Question

Name any EIGHT factors that influence the slope of a statically determinate beam.

Mention how they affect the slope of beams.

Answer 1

Factors that influence slope are:

1) Modulus of elasticity of the material.

2) Moment of Inertia of the section.

3) Dead loads and live loads.

4) Self weight of beam.

5) Span of beam.

6) Support conditions.

7) Temperature variation.

8) Creep effect.

1 ). Modulus of Elasticity Material :

As the M.O.E increases the slope of the beam decreases

2) Moment of Inertia of the sections.

As the M.O.I increases the slope of beam decreases.

3) Dead load and live load

As the loading increases the slope of the beam increases.

4) Self weight of beam

As the self weight increases the slope of the beam increases.

5) Span of the Beam

As the span of the beam increases the slope of beam increases

6) Support Conditions

Hinge and Roller support produces non-zero slope and and fixed support produces zero slope.

7) Temperature variation

As the temperature gradient increases from top of the beam to the bottom of the beam then it increase the slope of the beam.

8) Creep effect.

As the age of loading increases it causes increase in slope of beam due to sustained loading.