DO's and DONT's of the Laboratory

• Be familiar with your lab assignment before you come to lab. 

• Follow all written and verbal instructions carefully. 

• Observe the safety alerts in the laboratory directions. 

• If you do not understand a direction or part of a procedure, ask the teacher before proceeding. 

•  Don’t forget to bring calculator, graph sheet and other accessories when you come to lab.  

• Before performing practical read instrument manual carefully. 

•  After casting Concrete specimens, make sure that concrete mixer is cleaned properly.  

• The performance of unauthorized experiments is strictly forbidden.  

• Do not play with valves, screws and nuts of any apparatus.  

• In the absence of instructor no student shall be allowed to work in the laboratory.  

• Shoes must cover the entire foot. Open toed shoes and sandals are inappropriate footwear in laboratories.  

• Make sure that all equipment is clean and returned to its original place after performing experiments.  Report all accidents to your teacher.  

• The use of personal audio or video equipment is prohibited in the laboratory.  

• Don’t use mobile phones during lab hours.  

• Don’t try to repair any faulty instrument. 

EXPERIMENTS

1. Tests on Aggregates

a. Aggregate Crushing value

b. Los Angeles abrasion test

c. Aggregate impact test

d. Aggregate shape tests (combined index and angularity number)

2. Tests on Bituminous Materials

a. Penetration test

b. Ductility test

c. Softening point test

d. Specific gravity test

3. Tests on Soil

a. Wet sieve analysis

b. CBR test

4. Tests on Bituminous Mixes

a. Marshall Method (Demo Experiment)