JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Pre-Requisites

Building Materials, Concrete Technology, Highway Materials

Course Objectives

The objectives of the course are to

• To learn laboratory tests and their procedures cement, fine aggregate, course aggregates and bitumen
• To Evaluate fresh concrete properties
• To Understand the test procedures for characterization of Concrete and bituminous mixes

Course Outcomes

Student shall be able to

• Categorize the test on materials used Civil Engineering Building & Pavement constructions
• To perform the tests on concrete for it characterization.
• To Design Concrete Mix Proportioning by Using Indian Standard Method.
• Examine the tests performed for Bitumen mixes.
• To prepare a laboratory report I. Test on Cement
• 1. Normal Consistency and fineness of cement.
• 2. Initial setting time and final setting time of cement.
• 3. Specific gravity of cement
• 4. Soundness of cement
• 5. Compressive strength of cement
• 6. Workability test on concrete by compaction factor, slump and Vee-bee. II. Test on Aggregates (Coarse and Fine)
• 1. Specific gravity (Pycnometer and wire basket), water absorption
• 2. Shape (Flakiness and elongation indices)
• 3. Impact and abrasion value tests
• 4. Crushing resistance and durability tests
• 5. Sieve Analysis and gradation charts (Job mix formula using Rothfuch’s charts)
• 6. Bulking of sand, Bulk and compact densities of fine and coarse aggregates III. Test on Fresh Concrete
• 1. Slump test
• 2. CF (compact factor stress)
• 3. Vee-bee Test
• 4. Flow Table Test IV. Test on hardened concrete
• 1. Compression test on cubes & Cylinders
• 2. Flexure test
• 3. Split Tension Test
• 4. Modulus of Elasticity V. Tests on Bitumen and Bituminous concrete
• 1. Penetration, softening point and spot test
• 2. Ductility, Elastic recovery and viscosity
• 3. Flash and fire points and specific gravity R18 B.TECH CIVIL ENGG. III YEAR
• 4. Marshall’s Stability (sample preparation and testing for stability and flow values)

TEXT BOOKS:

• 1. Concrete Manual by M.L. Gambhir, Dhanpat Rai & Sons
• 2. Highway Material Testing manual, Khanna, Justo and Veeraraghavan, Nemchand Brothers IS CODES:
• 1. IS 10262 :2009 “Concrete Mix Proportioning – Guidelines”
• 2. 1S 516:2006 “Methods of Tests on Strength of Concrete”
• 3. IS 383 :1993 “Specification For Coarse And Fine Aggregates From Natural Sources For Concrete”
• 4. 1S 1201 -1220 (1978) “Methods for testing tars and bituminous materials”
• 5. IRC SP 53 -2010 “Guidelines on use of modified bitumen”
• 6. MS-2 Manual for Marshalls Mix design 2002 R18 B.TECH CIVIL ENGG. III YEAR