BMT

Assignment 4: Quality Control of Building Materials

Attempt all questions.
The assignment should be hand-written.
Include a proper title page (with your Name, Roll No., and Section) in your assignment.
The scanned PDF of the assignment has to be submitted through this Google Form before the due date [November 10, 2025 (Monday), 11:59 pm].
The submission file will be accepted in PDF format only.
Important: The PDF file name should follow the format: Assignment_4_Your Name_Class Roll No.pdf
Copying of Assignments is strictly discouraged. Each student should perform their own research and analysis.

Q. No.	Question	CO	RBT Level	Marks
1	Explain the importance of quality control in building materials. Discuss how QC ensures durability and structural safety.	CO1, CO2	L2	5
2	Describe the sampling procedures for cement, aggregates, and concrete as per BIS standards. Include the rationale behind sample size selection.	CO1, CO3	L2	5
3	List and explain four key laboratory tests for cement. Include typical requirements and relevant BIS standards.	CO2, CO3	L3	5
4	Describe the quality control tests for fine and coarse aggregates with brief explanation of each test’s purpose and BIS reference.	CO2, CO3	L3	5
5	Explain the role of admixtures in concrete. Discuss QC tests to verify their effectiveness and compliance.	CO2, CO3	L3	5
6	Discuss the quality control of fresh and hardened concrete. Include slump test, compressive strength, and acceptance criteria.	CO2, CO3	L3, L4	5
7	Explain the quality control procedures for bricks. Include water absorption, compressive strength, and efflorescence tests.	CO2, CO3	L3	5
8	Describe the QC tests for steel reinforcement including tensile test, bend test, and coupon testing. Mention BIS or ASTM references.	CO2, CO3	L3	5
9	Explain the quality control of timber for structural use. Include moisture content, density, and defects to check.	CO2, CO3	L3	5
10	Prepare a comparative summary table of QC tests for cement, aggregates, concrete, bricks, steel, and timber highlighting purpose, typical requirement, and standards.	CO2, CO3	L6	5

CO #	Course Outcomes
CO1	Demonstrate the role of quality control in building material performance
CO2	Identify appropriate QC tests for different building materials
CO3	Apply QC standards and interpret test results for construction compliance
CO4	Write technical Laboratory report
CO5	Evaluate material suitability and acceptability based on QC results
CO6	Utilize the relevant information from the standards and guidelines

Level	L1	L2	L3	L4	L5	L6
Cognitive Process	Remember	Understand	Apply	Analyze	Evaluate	Create

Dr. Yuvraj Singh
Assistant Professor, Department of Civil Engineering
Guru Nanak Dev Engineering College, Ludhiana