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WITH EFFECT FROM THE ACADEMIC YEAR 2013- 2014

 

CE 453

 

HEALTH MONITORING AND RETROFITTING OF STRUCTURES

(Elective - II)

 

Instruction                                                                                                                                                                                       4 Periods per week

 

Duration of University Examination                                                                                                                                                     3 Hours

 

University Examination                                                                                                                                                                      75 Marks

 

Sessional                                                                                                                                                                                          25  Marks

 

 

UNIT-I

 

Introduction to Structural Health Monitoring (SHM) : Definition & motivation for SHM, SHM - a way for smart materials and structures, SHM and bio mimetic - analog between the nervous system of a man and a structure with SHM, SHM as a part of system management, Passive and Active SHM, NDE, SHM and NDECS, basic components of SHM, materials for sensor design.

 

UNIT-II

 

Application of SHM in Civil Engineering: Introduction to capacitive methods, capacitive probe for cover concrete, SHM of a bridge, applications for external post tensioned cables, monitoring historical buildings.

 

UNIT-III

 

Non Destructive Testing of Concrete Structures: Introduction to NDT - Situations and contexts, where NDT is needed, classification ofNDT procedures, visual Inspection, half-Cell electrical potential methods, Schmidt Rebound Hammer Test, resistivity measurement, electromagnetic methods, radiographic Testing, ultrasonic testing, Infra Red thermography, ground penetrating radar, radio isotope gauges, other methods.

 

UNIT-IV

 

Condition Survey & NDE of Concrete Structure: Definition and objective of Condition survey, stages of condition survey (Preliminary, Planning, Inspection and Testing stages), possible defects in concrete structures, quality control of concrete structures - Definition and need,Quality control applications in concrete structures, NDT as an option

for Non-Destructive Evaluation (NDE) of Concrete structures, case studies of a few NDT procedures on concrete structures.

 

UNIT-V

 

Rehabilitation and Retrofitting of Concrete Structure : Repair rehabilitation & retrofitting of structures, damage assessment of concrete structures, Materials and methods for repairs and rehabilitation, modeling of repaired composite structure, structural analysis and design -Importance ofre-analysis, execution of rehabilitation strategy, Case studies.

 

Suggested Reading :

 

1. 1.Daniel Balageas, Claus - Peter FritzenamI Alfredo Guemes, Structural Health Monitoring, Published by ISTE Ltd., U.K. 2006.

 

1. 2.Guide Book on Non-destructive Testing of Concrete Structures,Training course series No. 17, International Atomic Energy Agency,Vienna, 2002.

 

1. 3.Hand book on “Repair and Rehabilitation of RCC Buildings“, Published by Director General, CPWD, Govt. of India, 2002.

 

1. 4.Hand Book on Seismic Retrofitting of Buildings, Published by CPWD & Indian Building Congress in Association with IIT, Madras, Narosa Publishing House, 2008.