### GEO-TECH ENGINEERING MODEL QUESTION PAPER CIVIL DIPLOMA 6TH SEMESTER

GEO-TECH ENGINEERING  MODEL QUESTION PAPER CIVIL DIPLOMA 6TH SEMESTER

 Test/Date and Time Semester/year Course/Course Code Max Marks Ex: I test/6 th week of sem 10-11 Am VI GEO-TECH ENGINEERING 20 Year: 2015-16 Course code:15CE63B Name of Course coordinator :                                                                                                              Course Outcome : 1,2 Note: Answer all questions Question M CL CO PO 1 Discuss briefly the various applications of soil mechanics. Or With sketch Explain three phase system of soil. 05 U 1,2 1,2,3 ,5,6, 10 2 Define i) Specific gravity ii)Particle size distribution iii) Bulk Unit weight of soil, iv)Consistency Limits v)relative density 05 R 1,2 1,2,3 ,5,6, 10 3 Explain Highway Research Board classification of soil. Or Write a short note on field identification of soils. 05 R 1,2 1,2,3 ,5,6, 10 4 Discuss the effect of compaction on soil properties (or) Differentiate between Standard & modified proctor test. 05 U 1,2 1,2,3 ,5,6, 10

Note: Internal Choice may be given in each CO at the same cognitive level (CL).

 TEXT BOOKS
1 References:
1. A text book of Soil Mechanics & Foundation Engineering – VNS Murthy, Dhanpat Rai & Sons 1682,, Nai sark, Delhi.
2. A text book of Soil Mechanics & Foundation Engineering – B.N.D Narasimha Rao
3. Construction and Foundation Engineering – Dr. Janardhana Jha and S. K. Sinha.
4. Geo technical Engineering by Prof.T.N.Ramamurthy , Prof.T.G.SITHARAM
5. Problems in soil mechanics – B. C. Punmia.
6. A Text book of soil mechanics- Dr. B. C. Punmia.
7. Problems in soil mechanics – Shamsher Prakash.
8. Foundation Design in Engg. Practice – Nayak.

9. Soil Mechanics in Engineering practice – Tenzagi & Peck.
10. Soil Mechanics by K R Arora.
11. Soil Mechanics and foundation Engineering -- Joseph. E. Bowles
12. Basic Soil Mechanics & Foundations Paperback – January 1, 2011 by Alam Singh (Author)
13. Foundation Engineering- P C Varghese, PHI learning, 2009.
14. Geotechnical Engineering- Dr C Venkataramaiha, New Age Publications,2009
15. Soil Mechanics and foundation Engineering- S K Garga, Khanna publications, 2003.

Websites:
16. http://nptel.ac.in/courses/105104034/
17. http://nptel.ac.in/courses/105104131/
18. http://nptel.ac.in/courses/105104135/

Model Question Paper Diploma in Civil Engineering
6TH semester
Course title: GEO TECHNICAL ENGINEERING
Time: 3Hrs. Max. marks: 100
Part –A
Answer any six questions each carries 5 marks
1. Define the following
i) Cohesion ii) Angle of internal friction iii) Capillarity iv) Permeability v)Elasticity
2. Explain classification of soil.
3. Discuss the effect of compaction on soil properties.
4. What are the needs of soil exploration program?
5. Distinguish between disturbed sample & undisturbed sample.
6. Explain sand compaction piles used for ground improvement.
7. Write a short note on types of piles.
8. What are the forces acting on well foundation.
9. Explain i) Swell potential ii) Swell pressure

Part –B
Answer any seven each question carries 10 marks

1. a) Explain three phase system of soil with a neat sketch.
b) Write a short note on Atterberg limits of soil.
2. Explain Standard proctor test.
3. a) Explain the mechanism of compaction
b) Explain sensitivity of soils.
4. Explain Static Cone Penetration Test soil.
5. a) Explain depth of exploration..
b) Distinguish between disturbed sample & undisturbed sample.
6. a) Explain the need of ground improvement techniques
b) Explain how pre-loading technique is useful in improving the properties of the soil.
7. a) Discuss the objects of soil stabilization.
b) Write a short note on soil reinforcement.
8. Explain pile load test.
9. Describe the various components of a pneumatic caisson with a neat sketch
10. Explain the test procedure to determine free swell Index for expansive soil.

MODEL QUESTION BANK

Cognitive level –Remember

1. Define Soil mechanics?
2. Discuss briefly the various applications of soil mechanics.
3. With the help of three phase diagram define the following
i) Voids ratio (ii) Porosity (iii) Degree of saturation (iv) Water content
4. Define i) Specific gravity ii)Particle size distribution iii) Bulk Unit weight of soil, iv)Consistency Limits v) relative density
5. Define i) Cohesion ii) Angle of internal friction iii) Capillarity iv) Permeability
v) Elasticity vi) Compressibility

Cognitive level -Understand
1. Explain briefly the formation of soil.
2. Explain three phase system of soil.
3. Explain Engineering properties of soil.
4. Write a short note on Atterberg’s limits of soil.

Cognitive level –Remember

1. Explain classification of soil.

2. Explain IS classification of soil.
3. Explain Highway Research Board classification of soil.
4. Explain the mechanism of compaction.
5. Explain Standard proctor test.
6. Write a short note Modified proctor test.
7. Differentiate between Standard & modified proctor test.
8. Explain sensitivity of soils.

Cognitive level -Understand
1. What is the purpose of soil classification?
2. List the different types of classification of soil.
3. Write a short note on field identification of soils.
4. Define compaction?
5. Discuss the effect of compaction on soil properties.
6. What are the factors affecting Compaction.
7. Write short note field compaction equipments.
8. What is shear strength of soil?
9. List the different methods of determination of shear strength of soils.

Cognitive level –Remember

1. What are the needs of soil exploration program?
2. Explain the guidelines for deciding Number & disposition of trail pits & borings .
3. List the methods of soil exploration
4. Discuss the different types soil samples.
5. Sketch a typical bore log and describe its features.

Cognitive level -Understand
1. Explain Static Cone Penetration Test soil.
2. Discuss Electrical Resistivity method.
3. Explain the conduction of Permeability Test of soil.
4. Explain depth of exploration.
5. Distinguish between disturbed sample & undisturbed sample.
6. What are the salient features of a good soil investigation report.
7. Discuss the objectives of Soil exploration.

Cognitive level - Remember
1. Explain the need of ground improvement techniques.
2. Discuss the objects of soil stabilization.
3. Explain briefly Compaction & slurry injection method of grouting.
4. Write a short note on soil reinforcement.

Cognitive level -Understand
1. Explain how pre-loading technique is useful in improving the properties of the soil.
2. Explain sand drains for improving properties of the soil.
3. Explain Vibro flotation technique for insitu densification of soil.
4. Explain stone columns used for improving the properties of soil.
5. Explain sand compaction piles used for ground improvement.
6. Explain blasting method of improving the properties of soil.
7. Explain heating method of improving the properties of soil.
8. Explain geo grids & geo textiles used in soil reinforcement.

1. Write a short note on types of piles.
2. Discuss briefly the capacity of piles.
3. Write a short note on pile groups.
4. What do you understand about settlement of pile?
5. Describe the various components of a pneumatic caisson with a neat sketch
6. Sketch & list out the components of well foundation.
7. What are the different shapes of well foundation?
8. What are the forces acting on well foundation?

Cognitive level -Understand
1. Explain pile foundation
2. Explain pile driving.
3. Explain pile load test.
4. Explain briefly the floating foundation
5. Describe the construction procedure of Box caisson.
6. Describe the forces acting on a well foundation.
7. Discuss the uses of piles.

CO VI : Understand the foundation in expansive soils

Cognitive level –Remember

1. Define i) Swell potential ii) Swell pressure
2. Discuss CNS Concept in expansive soils.

Cognitive level -Understand
1. Explain the test procedure to determine free swell Index for expansive soil.
2. Explain the differential test.
3. Explain the method of foundation of replacement of Expansive soils
4. Write a short note under reamed pile foundation.