Soil Dynamics NPTEL
Online Free Online Course by
World Mentoring Academy
Online
/ Free Online Course
Details
Description: The basic course in soil mechanics/geotechnical engineering generally introduces the fundamental concepts, principles and applications of soil as engineering material with properties under static loading. This course on “Soil
Dynamics” discusses about the behaviour and properties/response of soil as a material which is subjected to various types of dynamic or cyclic time-dependent loadings. Also the design and analysis for machine foundations come along with this course to consider
the dynamic properties of both soil and foundation as combined mass. Behaviour of various geotechnical structures such as shallow and deep foundations, retaining structures, slopes, sub grade soil below railway, pavement, runway due to various types of time-dependent
dynamic loading are discussed here along with the reference to design code provisions.
Resources: OpenCourseware from NPTEL (India), Sheridan College, MIT, UC Berkeley, Stanford & many other of the World's finest University's.
Language: English
Units: 35
Lesson content
- 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
- 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
- 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
- Mod-07 Lec-35 Dynamic Analysis of Slope using MSD Model, Behaviour of Subgrade Soil
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