Soil Dynamic

Soil Dynamic
Soil Dynamic by Dr. Deepankar Choudhury, Department of Civil Engineering, IIT Bombay. For more details on NPTEL visit
Mod-01 Lec-01 Introduction
Mod-02 Lec-02 Degrees of Freedom, SDOF System, Types of Vibrations
Mod-02 Lec-03 SDOF System, Types of Vibrations, Free Vibration
Mod-02 Lec-04 Problems on Tortional Motion
Mod-02 Lec-05 Damped Free Vibrations
Mod-02 Lec-06 Damped Free Vibrations, Definition of Critical Damping and problems
Mod-02 Lec-07 Decay of Motion
Mod-02 Lec-08 Forced Vibrations, Dynamic Magnification Factor
Mod-02 Lec-09 Maxwells Diagram of DMF, Discussion on Phase
Mod-02 Lec-10 Transmissibility Ratio, Response to Arbitrary, Step and Pulse Excitations
Mod-02 Lec-11 Response to Arbitrary, Step and Pulse Excitations, Response to Impact Load
Mod-02 Lec-12 Vibration Isolation, Vibrations Measuring Instruments
Mod-02 Lec-13 Solutions of Quiz Questions, Multi-Degree of Freedom (MDOF) Systems
Mod-02 Lec-14 (MDOF) System : Equation of Motion, Longitudinal Waves in an Infinitely long rod
Mod-03 Lec-15 3 Dimensional Wave Propagation, Waves in semi-infinite media, Rayleigh Wave
Mod-03 Lec-16 Love Wave, Waves in layered medium, 3D case-Inclined wave, Earthquake Waves
Mod-03 Lec-17 Earthquake Waves; P-waves,S-waves,3 circle method,Estimation of Earthquake Epicentre
Mod-04 Lec-18 Stresses in Soil Element, Field Tests, Seismic Reflection Test
Mod-04 Lec-19 Seismic Refraction Test, SASW Test, Laboratory & Model Tests
Mod-04 Lec-20 Centrifuge Tests Stress Strain Behavior of Cyclically Loaded Soils
Mod-04 Lec-21 Estimation of Gmax, Modulus Reduction Curves, Variation of Damping Ratio
Mod-04 Lec-22 Liquefaction, Preliminary sceening, Simplified Procedure for Liquefaction
Mod-04 Lec-23 Cyclic Stress Ratio, Evaluation of CRR, Correction Factors, Corrections for SPT
Mod-04 Lec-24 Becker Penetrometer Test (BPT), Cone Penetrometer Test (CPT), SPT v BPT, SASW Test
Mod-05 Lec-25 Types of Machine Foundations, Methods of Analysis
Mod-05 Lec-26 Tschebotarioff's "reduced natural frequency" method, Design Chart and problems
Mod-05 Lec-27 Problem on Tschebotarioff's method contd., Mass-Spring-Dashpot (MSD) Model
Mod-05 Lec-28 MSD Model- Yawing mode of Vibration, Use of MSD model for analysis
Mod-05 Lec-29 Problems on Use of MSD Model for Analysis, Rocking mode of Vibrations
Mod-05 Lec-30 Torsional Mode/Yawing Mode, Constant Force type excitation, EHS Theory
Mod-05 Lec-31 EHS Theory, Vibrational Control
Mod-05 Lec-32 Use of EHS Theory for analysis
Mod-05 Lec-33 Use of EHS Theory for analysis II
Mod-07 Lec-34 Dynamic Earth Pressures on Retaining Walls, Force-Based Analysis