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NPTEL Syllabus

Site Characterization and instrumentation- Web course

COURSE OUTLINE 

By and large geotechnical engineering solutions are site and environmentspecif ic . Adoption of canned solutions without due consideration of thesubsurface and environmental conditions is known to be disastrous.

For instance, in attempting to assess pathways of contaminant transport it isessential to delineate the permeable zones across the entire area as well as anexhaustive knowledge on the interplay between the hydrometeorologicalconditions and the hydraulic conductivity of the seepage pathways.

Such tasks are best accomplished by insitu testing, field instrumentation. Thisgraduate course attempts to provide a working knowledge on the common andemerging insitu testing procedures, their applicability, advantages andlimitations, and acquisition and interpretation of data.

Also will be discussed instrumentation and monitoring strategy in geotechnicaland geoenvironmental projects, and acquisition and interpretation of monitoringdata.

 

COURSE DETAIL

Module

No.

Topic No. of

Hours

1.   Introduction:

Scope and objectives.

1

2.   Drilling:

Auger boring (hollow and sol id stem auger boring);drill bi ts; wash boring; percussion and air rotarydrilling; mud rotary drilling; single double and triplebarrel core drilling; wire line drilling tools.

4

3.   Soil Sampling:

Sampler geometry and soil disturbance, split spoonsampler, thick walled sampler, thin walled sampler,large diameter sampler; block sampling of plasticsoils; undisturbed sampling non plastic soils(sampling by ground freezing and gel permeation).

3

4.   Insitu testing:

Field vane shear testing Procedure; applicability;data interpretation.

 

1

Standard Penetration Testing Procedure, stressnormalization, energy calibration, minor corrections

 

NPTELhttp://nptel.iitm.ac.in

Civil Engineering

 

Pre-requisites:

1. This is a master’s level course.The student is expected to havecompleted the undergraduatecourses on soil mechanics andfoundation engineering andengineering geology.

Additional Reading:

1. Mayne, P.W., Christopher, B.R.,and DeJong, J. 2001. Manual on

subsurface investigations. Pub.FHWA-NHI-01-031, US FederalHighway Administration,Washington, DC, USA.

2. McGregor, J.A., and Duncan, J.M.1998. Performance and use of thestandard penetration test ingeotechnical engineeringpractice. Rep., Center forGeotechnical Practice andResearch (CGPR), VirginiaPolytechnic Institute and StateUniversity, USA.

3. US Army Corps of Engineers.1995. Instrumentation ofembankments dams and levees.Engineer Manual 1110-2-1908.

Additional references will be providedat the end of each module.

Hyperlinks:

1.  www.geotechnique.info.

2.  www.cpt-robertson.com.

3.  www.usace.army.mil/library.

4.  www.geoengineer.org/books-investigation.html.

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(rod length, liner, sampler diameter),advantages andlimitations; data interpretation;applications (bearingcapacity assessment, liquefaction).

6

Dynamic and Dutch Cone Penetration TestingProcedures, advantages and limitations, datainterpretation.

1

Dynamic and Dutch Cone Penetration TestingProcedures, advantages and limitations, datainterpretation.

7

Pre- and Self- boring pressuremeter testingProcedures: Advantages and limitations; analysis ofselfboring pressuremeter data for plastic and nonplastic soils.

6

Dilatometer testing Procedures; advantages andlimitations; data interpretation.

2

Non intrusive testing Seismic reflection survey;seismic refraction survey; spectral analysis of surface wave and multi channel analysis of surface waves;electromagnetic profiling; airborne electromagneticprospecting.

 

4

5.   Groundwater monitoring:

Groundwater sampling; piezometers; piezometer lagtime; monitoring well installation; boreholepermeability testing; pumping in and pumping outtesting; data interpretation.

3

6.   Geotechnical instrumentations:

Settlement gages (mechanical, magnetic, electronic);Inclinometer.

2

 

References:

1. Clayton, C.R.I., Matthews, M.C., and Simons, N.E. 1995. Site Investigation.Blackwell Science. 2nd Ed.

2. Schnaid, F. 2009. In situ testing in geomechanics. Taylor & Francis.

3. Lunne, T., Robertson, P.K., and Powell, J.J.M. 1997. Cone penetrationtesting in geotechnical practice. Spon Press.

4. Dunnicliff, J. 1998. Geotechnical instrumentation for monitoring fieldperformance. Wiley Interscience.

Coordinators:

Dr. Debasis RoyDepartment of Civil EngineeringIITKharagpur

A joint venture by IISc and IITs, funded by MHRD, Govt of India http://nptel.iitm.ac.in