1010233640          Material Testing Lab
Practicum

THEORY UNIT-I CONSTURCTION MATERIALS-INTRODUCTION
Introduction to Strength and durability of materials- Direct Tensile strength -stress strain relation for ductile materials-Direct Compressive strength-Flexural strength-Deflection of beams-Bending compression-Bending tension-split tensile strength-Torsional strength- shear strength-impact strength-Hardness of materials.

UNIT-II CONSTRUCTION MATERIALS -PROPERTIES
Cement -types of cement- water cement ratio-consistency-Fineness of cement-Initial setting time and final setting time-Bulk density-Specific gravity- Importance of Crushing value of aggregates-Impact value- Attrition and abrasive value of aggregates- Water absorption of construction materials- Effect / Impact of water absorption-Elongation index-flakiness index and angularity index of aggregates.

Practical Exercises.
1.
Conducting Tensile test on mild steel /Deformed bars and determining yield strength and finding important parameters.
2.
Conducting compression test and determining direct compressive strength on (i)wooden cube (ii)Brick/ Fly ash brick (iii) Masonry block (iv)Paver blocks
(Any two shall be given in Examination).
3.
Conducting double shear test on Mild steel bar and finding the shear value.
4.
Conducting Torsion test on Steel bar and finding its Modulus of rigidity.
5.
Conducting an Impact test on brittle and ductile material by performing Izod/Charpy tests.
6.Conducting Hardness test and finding Brinnel’s / Rockwell’s hardness number on (i)Mild steel (ii)Brass (iii)Aluminium

7.Conducting deflection test on simply supported beams and finding its young’s modulus value on (i)Wooden and (ii)Steel
8. Conducting fineness test on cement by Sieve analysis (OR) Blain’s Air permeability apparatus.
9.
Conduct Water absorption test on (i)Brick/Fly ash brick (ii) Coarse aggregates.
10.
Determination of bulk density and Specific gravity of (i)Fine aggregate and (ii)Coarse aggregate.
11.
Conducting attrition test on coarse aggregate by Deval’s (OR) Losangels method.
12.
Conducting abrasion test on aggregate by Dorry’s method.
13.
Conducting Crushing test on coarse aggregate and finding the crushing value of aggregate.
14.
Conducting Impact test on coarse aggregate and finding the impact value of the aggregates.
15.
Determination of Elongation Index, Flakiness index and angularity index of aggregates.