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Unsaturated Soil Mechanics

By Prof. Tadikonda Venkata Bharat   |   IIT Guwahati
Learners enrolled: 74
ABOUT THE COURSE:
The knowledge of soil behavior is very important in the Geotechnical engineering practice. The soil behavior in saturated state is widely taught in the undergraduate and graduate programs, all over. The existence of air-phase in natural soils prompts the soil to behave differently from the saturated soils. The present course would provide the fundamental principles, mechanisms, and behavior of partly saturated soils.

INTENDED AUDIENCE: Academicians

PREREQUISITES: Knowledge of basic “soil mechanics”

INDUSTRY SUPPORT: www.maccaferri.com
Summary
Course Status : Upcoming
Course Type : Elective
Duration : 12 weeks
Start Date : 23 Jan 2023
End Date : 14 Apr 2023
Exam Date : 29 Apr 2023 IST
Enrollment Ends : 30 Jan 2023
Category :
  • Civil Engineering
Credit Points : 3
Level : Undergraduate/Postgraduate

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Course layout

Week 1: Introduction; Application areas; Basic parameters
Week 2:  Basic parameters; Phase equilibrium
Week 3: Concept of water retention; Soil water characteristics (SWCC); Hysteresis; Mechanisms
Week 4: Measurement of state variables
Week 5:  Measurement of state variables; Theoretical SWCC
Week 6:  Demonstration of software for fitting SWCC; Pedo-Transfer functions (PTF)
Week 7:  Hydraulic Conductivity; Measurement; Predictive models
Week 8: Hydraulic Conductivity prediction; Capillary barriers; Software demonstration
Week 9: Steady-state flow; Absence and influence of gravity
Week 10: Transient flow
Week 11: Analytical methods for transient flow; Shear strength
Week 12: Shear strength; Swell and Collapse behavior

Books and references

1. Lu, N. and Likos, W.J., Unsaturated soil mechanics, Wiley, 2004
2. Fredlund, D. J., Rahardjo, R., and Fredlund, M.D. Unsaturated Soil Mechanics in Engineering Practice, Wiley, 2012

Instructor bio

Prof. Tadikonda Venkata Bharat

IIT Guwahati
Prof. Tadikonda Venkata Bharat, Ph.D., is currently an Associate Professor of Civil Engineering at IIT Guwahati. He received both his M.Sc. (Eng.) and Ph.D. from Indian Institute of Science (IISc), Bangalore, in 2004 and 2009, respectively. He worked at University of Saskatchewan as a visiting fellow and post-doctoral fellow during 2009 – 2012. Dr. Bharat has nearly 16 years of research experience and 7 years of teaching experience in India and Canada. He received numerous awards in both India and abroad for his contribution in computational Geoenvironmental research. Dr. Bharat is actively working on understanding the fundamental behavior of different clays and clay minerals for their application in engineering, infiltration and drainage characteristics of unsaturated soils, diffusion characteristics of various clays.

Course certificate

The course is free to enroll and learn from. But if you want a certificate, you have to register and write the proctored exam conducted by us in person at any of the designated exam centres.
The exam is optional for a fee of Rs 1000/- (Rupees one thousand only).
Date and Time of Exams: 29 April 2023 Morning session 9am to 12 noon; Afternoon Session 2pm to 5pm.
Registration url: Announcements will be made when the registration form is open for registrations.
The online registration form has to be filled and the certification exam fee needs to be paid. More details will be made available when the exam registration form is published. If there are any changes, it will be mentioned then.
Please check the form for more details on the cities where the exams will be held, the conditions you agree to when you fill the form etc.

CRITERIA TO GET A CERTIFICATE

Average assignment score = 25% of average of best 8 assignments out of the total 12 assignments given in the course.
Exam score = 75% of the proctored certification exam score out of 100

Final score = Average assignment score + Exam score

YOU WILL BE ELIGIBLE FOR A CERTIFICATE ONLY IF AVERAGE ASSIGNMENT SCORE >=10/25 AND EXAM SCORE >= 30/75. If one of the 2 criteria is not met, you will not get the certificate even if the Final score >= 40/100.

Certificate will have your name, photograph and the score in the final exam with the breakup.It will have the logos of NPTEL and IIT Guwahati .It will be e-verifiable at nptel.ac.in/noc.

Only the e-certificate will be made available. Hard copies will not be dispatched.

Once again, thanks for your interest in our online courses and certification. Happy learning.

- NPTEL team


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