RESEARCH EXPERIENCE

Senior Scientist

CSIR-Central Road Research Institute (CRRI), New Delhi, India

2021- Till Date

Non Contact Technology (Drone/ RPAV) for Monitoring, Structural Health Monitoring, Piezoelectric Energy Harvesting

Scientist

CSIR-Central Road Research Institute (CRRI), New Delhi, India

August 2017- 2021

Non Contact Technology (Drone/ RPAV) for Monitoring, Structural Health Monitoring, Piezoelectric Energy Harvesting

DST INSPIRE Faculty Scientist

CSIR-Central Road Research Institute (CRRI), New Delhi, India

March 2016 - August 2017

Structural Health Monitoring and Piezoelectric Energy Harvesting

Research Associate

Hong Kong Polytechnic University, Hong Kong

September 2015 – February 2016 (6 Months)

Design of Turbo Generator (TG) Foundations for Thermal Power Plants

INTEGRATED STRUCTURAL HEALTH MONITORING AND ENERGY HARVESTING FROM THIN PIEZO SENSOR PATCH

Supervisor: Dr. Suresh Bhalla, Associate Professor, IIT Delhi
Tenure: July 2011- May 2015

Major Contributions:

Investigating feasibility of d31 mode for energy harvesting, circumventing built up configurations and secondary structures
Feasibility of using the same PZT patch for integrated SHM and energy harvesting
Development of analytical power estimation model for adhesively bonded PZT patches in surface-bonded / embedded configurations
Detailed numerical investigations for parametric study and parameter optimization
Demonstration of feasibility of combined energy harvesting and SHM on real-life steel/ RC bridges
Invention disclosure “A novel energy harvesting solution for reinforced concrete structures”, culminating in filing of patent at Foundation for Innovation and Technology Transfer (FITT), IIT Delhi, submitted on 30th October, 2014.

OPTIMUM DAMPING AND PLACEMENT OF FRICTION DAMPERS IN HIGH-RISE BUILDINGS

Supervisor: Prof. A. K. Nagpal and Dr. Vasant Matsagar, IIT Delhi.
Tenure: August 2010 to May 2011

Major Contributions:

Investigation of earthquake response of the medium-rise to high-rise buildings for three basic types of shear-type structures modelled in SAP2000 software: Moment Resisting Frame (MRF), Braced Frame (BF) and Friction Damped Frame (FDF).
Performing time history analyses of structures of varying heights.
Modelling of the friction dampers of the two distinct phases namely, the stick phase and the slip phase. Energy plots were also investigated.
Development of a FORTRAN program using Newmark’s Beta numerical integration method and optimization for the damping parameter.

Additional Research work carried out during M. Tech. Program: Tuned Mass Damper on Base-Isolated Building under Near- Fault Earthquakes

Supervisor: Dr. Vasant Matsagar, IIT Delhi

Tenure: August 2010 to May 2011

Major Contributions:

Investigation of the effectiveness of a tuned mass damper applied at the top floor level of a base-isolated building in a near field earthquake scenario.
Modelling of the buildings with varying heights (five to twenty five storeys) as shear-type structures using SAP2000 software, considering four cases: conventional fixed-base building (FB), base-isolated building (BI), building installed only with a tuned mass damper (TMD) and base-isolated building installed with a tuned mass damper (BI+TMD).
Time history analyses of the above structures were also carried out.

ANALYSIS AND DESIGN OF INDUSTRIAL STRCUTURES

Supervisor: Dr. P.P. Bansal (Lecturer, Thapar University, Patiala)

Mr. S.R. Sahney (Sr. Consultant, EDC, New Delhi)

Tenure: June, 2006 to December, 2006

Major Contributions:

Analysis and design of 80 m long tunnel for the Wagon Tippler Complex in Vishakapatnam, for Duro Felguera Plant Industries, South Africa.
Static and Dynamic Analysis of Turbine House of J.K. Paper Mill, Songarh, Surat.
Analysis of 100 Mega Ton RCC silo using STAAD.Pro - 2005.
Design of Gantry Girders.

Survey Camp in June 2003, Dalhousie (H.P.), India. Jobs undertaken include Tachometric surveying, Fly levelling and contouring.