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Swayam Central

Earthquake Resistant Design of Foundations

By Prof. B. K. Maheshwari   |   IIT Roorkee
The course covers various types of foundations, required soil investigations, soil parameters, and codes of practice. Design considerations for seismic resistant design of foundations. The course will focus on techniques of design of foundations so that it does not fail during earthquakes. This will cover both shallow and deep foundations. Major focus will be on the design of deep foundations for lateral loads.


INTENDED AUDIENCE
BE/ B Tech (Civil Engineering) as an elective in the final year. ME/MTech either in Geotechnical Eng. of in Structural Engineering
PREREQUISITES Soil Mechanics and Foundation Engineering
INDUSTRIES  SUPPORT     : NPCIL, BHEL, THDC, NTPC, NHPC, ONGC, RDSO, RVNL, CPWD, NBCC, L&T, KELLER, Fugro, Maccaferri, GENSTRU, STRATA etc. (probably)

Learners enrolled: 1585

SUMMARY

Course Status : Upcoming
Course Type : Elective
Duration : 8 weeks
Start Date : 17 Aug 2020
End Date : 09 Oct 2020
Exam Date : 17 Oct 2020
Enrollment Ends : 17 Aug 2020
Category :
  • Civil Engineering
  • Level : Undergraduate/Postgraduate
    This is an AICTE approved FDP course

    COURSE LAYOUT

    Week 1 :Introduction: General requirements, types of shallow and deep foundations and their use; performance of various types of foundations during past earthquakes.
    Shallow Foundations: IS codes for bearing capacity and settlement of foundations, foundation design, modes of soil failure.
    Week 2 :Shallow Foundations: Safe bearing capacity, differential & total settlements, increase in permissible stress under        earthquake loads. Methods of analysis, experimental investigations, Combined footings for earthquake loads
    Week 3 :Shallow Foundations: Raft foundation, modulus of sub grade reaction, Winkler model, beam on elastic foundation. Dynamic Bearing Capacity under Transient & Earthquake Type Loads: Types of dynamic loads; Footing requirements to account for settlements and earthquake induced forces; Pseudo-Static analysis of footings with eccentric & inclined loads. Effect of horizontal load and moment. Dynamic Analysis of shallow foundations for various modes of vibrations
    Week 4 :Pile Foundations: Types of piles based on usage, material, construction etc. pile load capacity in compression, Bearing capacity of piles, group action of piles, settlement of a pile group; 
    Week 5 :Pile Foundations: Laterally loaded piles, elastic analysis; Reese and Matlock approach, fixity of pile heads, dimensionless factors; Pile with dynamic loads.
    Week 6 :Pile Foundations: soil-pile analysis with spring-mass & FEM idealisation, elements for slip and separation, soil-pile interaction, IS code of practice for design of pile foundations, piles through liquefiable soils
    Week 7 :Well Foundations & Caissons: Types; components; scour depth, depth & bearing capacity of wells, static forces considered in stability of wells; Lateral stability of well foundations. Pseudo-static analysis with earthquake induced loads, Lateral load resistance of well foundation; Terzahi's approach; IRC, IS and Indian Railway Codes, their limitations.
    Week 8 :SSI for Deep Foundations: Soil-Structure Interaction, Modelling of Unbounded Soil Media for Dynamic Loads, Free Field Motion, Kinematic Interaction and Inertial Interaction. 

    BOOKS AND REFERENCES

    1. PrakashS.(1981),"SoilDynamics",McGraw-HillCompany,New York
    2. KramerS.L.(1996),“Geotechnical-EarthquakeEngineering”, Pearson Education Pvt. Ltd., Singapore
    3. Bowles,J.E(1997),“FoundationAnalysisandDesign”,McGrawHill International Editions, Singapore.
    4. RanjanG.andRaoA.S.R.(2004),“BasicandAppliedSoil Mechanics”, New Age Int. Ltd., New Delhi.
    5. SaranS.(2006),“SoilDynamics & MachineFoundation”,Galgotia Pub. Pvt. Ltd, New Delhi.

    INSTRUCTOR BIO

    Prof. B. K. Maheshwari

    IIT Roorkee
    Dr. B.K. Maheshwari is currently a Professor at Dept. of Earthquake Engineering, IIT Roorkee, India. He secured Bachelors Degree in Civil Engineering from Univ. of Jodhpur, Masters Degree in Earthquake Engineering from Univ. of Roorkee and Ph.D. in Geotechnical Earthquake Engineering from Saitama University Japan. Dr. Maheshwari worked for about two years in industry in Tokyo, Japan and then joined Washington University in St. Louis, Missouri, USA as a post-doctoral fellow. Since Dec. 2004, Dr. Maheshwari is a faculty at Dept. of Earthquake Eng., IIT Roorkee. Prof. Maheshwari has about 25 years of research experience and working in the areas of Dynamic Soil-Structure Interaction, Liquefaction, Dynamic Soil Properties, Constitutive Modeling, Nonlinear Finite Element Analysis, Slope Stability, Landslides and Disaster Mitigation & Management. He has published about 140 research articles in journals and conferences of international repute. Under Dr. Maheshwaris guidance, six Ph.D. theses are awarded and another four are in progress. Prof. Maheshwari worked on 6 sponsored research projects. Dr. Maheshwari served as an Associate Editor of International Journal of Geomechanics, ASCE during 2015-18. He also served as an Editor of ISET Journal of Earthquake Technology during 2013-17. Dr. Maheshwari is an editorial board member of Indian Geotechnical Journal. Dr. Maheshwari is a member of ASCE, EERI, ISSMGE, IACMAG, a life fellow of ISET, IGS and Institute of Engineers (India). Professor Maheshwari served as a Head of Centre of Excellence in Disaster Mitigation and Management, IIT Roorkee during February 2015 to February 2018. He was the Organizing Secretary for prestigious 16th Symposium on Earthquake Engineering held during December 20-22, 2018 at IIT Roorkee.

    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: 17 October 2020, 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 6 assignments out of the total 8 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 Roorkee. It will be e-verifiable at nptel.ac.in/noc.
    •Only the e-certificate will be made available. Hard copies will not be dispatched.

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