CE2257 STRENGTH OF MATERIALS LABORATORY

1. (a) Conduct compression test on the given concrete cube.

(b) Draw a qualitative stress-strain diagram for hardened concrete and explain the salient

points on it.

2. Conduct Tension test on the given steel rod and determine the following

(a) Allowable stress

(b) Yield stress

(c) Breaking stress

(d) Percentage reduction in cross sectional area

3. Conduct Torsion test on the given specimen and determine the following

(a) Shear modulus

(b) Polar modulus

4. State and prove Maxwell's Reciprocal theorem.

5. Conduct Tension Test on the given spring and determine the following:

(a) Modulus of rigidity

(b) Sti ness of the spring

6. Conduct compression test on the given helical spring and determine the following

(a) Shear modulus

(b) Strain Energy stored by the spring

7. Conduct Brinell's Hardness test on the given specimens.

8. (a) Conduct Rockwell's Hardness test on the given specimens.

(b) De ne

(i) Strength

(ii) Hardness

(iii) Sti ness

(iv) Stability

9. (a) Conduct a double shear test on the given specimen

(b) Conduct compression test on the given brick samples.

10. (a) Conduct IZod's Impact test on the given specimens.

(b) Conduct soundness Test on the given cement sample.

11. (a) Conduct Charny's Impact Test on the given specimens.

(b) Determine the consistency of the given cement sample.

12. (a) Determine the initial setting time for the given cement sample.

(b) Determine the speci c gravity of the given cement sample.