Centre for Prevention and Control of Corrosion in Concrete Structures

Vision

Centre for Prevention and Control of Corrosion in Concrete Structures PC3S aspires to be a pioneer in raising awareness of menace of corrosion, developing feasible concepts, systems and techniques for corrosion prevention & control and facilitating implementation; thus complimenting to the Socio-Economic progress of the country through savings for exchequer.



Mission
  • To develop Products / Technology / Concepts for Prevention and Control of Corrosion in Reinforced Concrete (RC) Structures, in particular, exposed to Marine environment.
  • To carryout collaborative research with eminent academic institutions / research laboratories / R&D of Industry around the globe in cutting edge technology on corrosion protection for knowledge enhancement / joint research publication / patenting etc.
  • To execute consultancy projects of Industry for validation of Products / Technology / Concepts for corrosion prevention and control.
  • To accomplish online / offline consultancy projects emphasizing on Repair and Rehabilitation of corrosion damaged RC structures.
  • To prepare durability related quality assurance documents for newly proposed RC structures.
  • To create awareness among common public / society / government statutory bodies etc. about the menace of corrosion related damages and the necessity of implementing corrosion protection strategies.


Our Team

Dr. M.S. Haji Sheik Mohammed

Director,PC3S



Dr. M.S. Haji Sheik Mohammed completed his B.E., M.S., and Ph.D. from College of Engineering Guindy, Anna University. Currently working as Professor of Civil Engineering & Dean, Academic Affairs at B.S. Abdur Rahman CRESCENT Institute of Science & Technology, Chennai.

He served with Industry for more than 15 years and involved in implementation of corrosion control techniques in various major projects throughout India including Andaman & Nicobar Islands. He also involved in the development of new corrosion control products and has expertise in the rehabilitation of corrosion affected structures.

Dr. M.S. Haji Sheik Mohammed guided 65 M.Tech. and 2 M.Tech. (By Research) dissertation in the areas viz. Protective coatings to steel rebars, Corrosion Inhibitors, Polymer modified composites, Waterproofing of R.C.C. Structures, Durable Ferrocement panels, PSWC bars etc. Currently guiding 8 Ph.D. dissertations.

He has 12 journal publications, 19 International conferences / workshops and 30 conference proceedings to his credit in his research area.

Membership in Professional Organizations
  • Senior Member
  • Affiliated Member
  • Member
  • Life Member
  • Fellow Member
  • - RILEM
  • - American Society of Civil Engineers (ASCE)
  • - National Association of Corrosion Engineers (NACE)
  • - Indian Concrete Institute (ICI)
  • - Society of Structural Engineers (SSE)



V.Roopa

Assistant Director,PC3S



She has completed M.E in Construction Engineering and Management from Structural Engineering Division, College of Engineering, Guindy as a gold medalist and B.E from Kongu Engineering College, Anna University as a state level rank holder. She is working as an Assistant Professor in the Department of Civil Engineering in B.S Abdur Rahman Crescent Institute of Science and Technology since 2013 and also have an industry experience of 1.5 years.

She has received a sponsored project titled Corrosion protection and service life extension of reinforced concrete roofing system in existing buildings from DST under Teacher Associate Research Fellowship (TARE) scheme in association with IIT Madras.

She has Supervised 13 M.Tech. Dissertations in Construction Engineering & Project Management discipline.

Her area of research interest includes
  • Service Life Extension of existing RC roofing Systems
  • Cathodic Protection of RC structures
  • Galvanised Steel Rebar
  • Repair and Rehabilitation of structures
  • Sustainability in Concrete Structures

She is an active member of NACE, National Association of Corrosion Engineers and RILEM, The International Union of Laboratories and Experts in Construction Materials, Systems and Structures.




Mr. S. Shafeer Ahamed

Assistant Director,PC3S



He has completed his B.E in Civil Engineering at Crescent Engineering College, Anna University and Master of Technology in Structural Engineering from BSA Crescent University as a gold medalist. He is working as an Assistant Professor in the Department of Civil Engineering in B.S Abdur Rahman Crescent Institute of Science and Technology since 2011 and also has an industry experience of 1.5 years.

He is pursuing his Doctoral Research (Ph.D) in the area “Development and Performance Evaluation of Nitrite based Corrosion Inhibitor for RC Structures”.

He has supervised 16 M.Tech. Dissertations in Structural Engineering discipline.

Her area of research interest includes
  • Corrosion Inhibitors for Concrete
  • Supplementary Cementitious Materials
  • Durability of Concrete
  • Concrete Technology



Areas of Research Interest
  • Protective coatings (passivating / barrier type) for corrosion prevention in steel reinforcement rods used in newly constructed Reinforced Concrete (RC) structures
  • Corrosion Inhibitors for service life extension of newly constructed RC structures
  • Galvanized steel rebars for enhanced corrosion resistance in RC structures.
  • Performance of combined corrosion prevention systems (protective coating + corrosion inhibitor) for enhanced service life extension of RC structures
  • Corrosion prevention systems / techniques / strategies for marine structures exposed to Microbial Induced Corrosion (MIC)
  • Evaluation of Sacrificial anode cathodic protection (SACP) systems for reinforced concrete applications
  • Service life extension of distressed Prestressed Concrete Elements using Cathodic Protection system
  • Corrosion protection and service life extension of reinforced concrete roofing system in existing buildings
  • Feasible and affordable corrosion control systems for enhancing the service life of residential buildings
  • Concrete coatings for controlling carbonation and chloride induced corrosion
  • Waterproofing of concrete structures for enhanced durability of RC structures


Salient Research Facilities
  • Accelerated corrosion testing facility for coated rebars : BIS 13620 - 1993 (Reaffirmed 2004) - A - 3.
  • Chemical Resistance test for coated rebars : BIS 13620 - 1993 (Reaffirmed 2004) - A - 2.
  • Facility to evaluate adhesion of coating to steel rebars : BIS 13620 - 1993 (Reaffirmed 2004) - A - 4.
  • Evaluation of bond strength of steel rebars with concrete : BIS 13620 - 1993 (Reaffirmed 2004) - A - 5 & BIS 1786 - 1995 - A (Reaffirmed 2004).
  • Sophisticated 8 Channel NI Data Acquisition System with LVDT
  • Potentiostat (Biologic SP 200) for Corrosion Rate Measurement
  • High impedance 5 digits digital multimeter
  • Sophisticated DC power supply regulator
  • Digital 4 digits electronic weighing machine
  • Accelerated corrosion testing facility for reinforced cement mortar / concrete
  • Digital pH meter
  • Concrete core cutting machine
  • Electrodes, laboratory equipments, etc


Ongoing Research Activities
  • Evaluation of Sacrificial Anode Cathodic Protection (SACP) Systems for Reinforced Concrete Applications
    • Sponsoring Industry
    • Project Reference Number
    • Research Grant
    • Amount for CRESCENT
    • Duration
    • : M/s. Vector Corrosion Technologies, Canada
    • : Order Dated 10.05.2018
    • : Rs. 29,80,680
    • : Rs. 9,91,200
    • : June 2018 – May 2021

    Radhakrishna G. Pillai (PI)

    Department of Civil Engineering

    Indian Institute of Technology Madras, Chennai



    M. S. Haji Sheik Mohammed (Co-PI)

    Department of Civil Engineering

    B.S. Abdur Rahman Crescent Institute of Science and Technology , Chennai



    Dr. Dhanya B S (Co-PI)

    Department of Civil Engineering

    Rajiv Gandhi Institute of Technology, Kottayam, Kerala



  • Structural Behaviour of Corroding Prestressed Concrete (PSC) Systems and Extension of Service Life Using Cathodic Protection
    • Sponsoring Industry
    • Project Reference Number
    • Research Grant
    • Amount for CRESCENT
    • Duration
    • : DST - SERB
    • : EMR/2017/004687 Dt. 21.08.2018
    • : Rs. 39,60,000
    • : Rs. 10,00,000
    • : September 2018 – August 2021

    Amlan K. Sengupta (P.I.) & Radhakrishna G. Pillai (Co - PI)

    Department of Civil Engineering

    Indian Institute of Technology Madras, Chennai



    M. S. Haji Sheik Mohammed (Co-PI)

    Department of Civil Engineering

    B.S. Abdur Rahman Crescent Institute of Science and Technology , Chennai



  • Performance Evaluation of Corrosion Inhibiting Cement Polymer Anticorrosive Coated Rebars.
    • Client : M/s. Moon Construction Additives, Chennai - 600073
    • Value of work : Rs. 20,000
  • Corrosion Protection and Service Life Extension of Reinforced Concrete Roofing System in Existing Buildings
    • Sponsoring Industry
    • Project Reference Number
    • Research Grant
    • Duration
    • : DST - SERB
    • : TAR/2018/001322 Dt. 22.02.2019
    • : Rs. 18,30,000
    • : November 2018 – October 2021

    Roopa V. (PI) & M. S. Haji Sheik Mohammed (Supervisor)

    Department of Civil Engineering

    B.S. Abdur Rahman Crescent Institute of Science and Technology , Chennai



    Radhakrishna G. Pillai (Co - PI)

    Department of Civil Engineering

    Indian Institute of Technology Madras, Chennai





MICROBIAL INDUCED CORROSION
  • Microbial Induced Corrosion (MIC) : Problem Statement
  • The deterioration in Reinforced Concrete (RC) structures caused by the biologically produced end products of microbes is called as Microbial Induced Corrosion (MIC).


    There are cases where MIC has accelerated the corrosion rate of steel rebars in RC concrete members by as much as 10 times the original rate. At this rate, structure could be left at un–repairable condition in a very short period of time, leaving costly total replacement as the only viable option (Roy et al., 2010).


    It has been estimated that bio deterioration-related structural problems cost billions of dollars a year in infrastructure maintenance and repair worldwide (Silva et al., 2008; Ding et al., 2017). Figure 1 shows the deteriorated RC columns due to MIC in offshore structures and Figure 2 shows the Mechanism of MIC in concrete.


    Figure 1 : Deteriorated RC Columns due to Microbial Induced Corrosion (MIC)


    Figure 2 : Typical mechanism of Microbial Induced Corrosion (MIC) in concrete (Umar, 2018)



  • Conventional Corrosion Prevention / Protection Methods
  • There are three major preventive measures for the deterioration due to microbial attack

    • Application of Protective Coatings to Concrete Surfaces
    • Sewer treatment to resist attack against Microbes
    • Modification of concrete constituent materials to offer more resistance against MIC

    The above systems offer limited prevention / protection against MIC in the real time marine conditions.



  • Proposed Corrosion Prevention / Protection System against MIC
  • The objective is to protect the concrete from MIC specially for coastal areas. In coastal areas, concrete is not only getting effected by chlorides and waves effect but also the growth of microbes causing a great damage to the concrete. This requires a two dimensional protection from both inside and outside.


    The proposed systems works on dual mechanism or combined protection methods. Corrosion prevention / protection of steel rebars is taken care by an embedded sacrificial anodes and a modified concrete mix offers improved strength and durability properties to the RC member in addition to exhibiting exemplary resistance against growth of bacteria on the concrete surface. This two dimensional approach extends the service life of newly constructed RC structures / extends the service life of repair works when exposed to marine conditions and results in huge savings to the exchequer.



  • Target Groups
    • New Construction / Repair works in Ports and Harbours
    • Bridge construction across coastal belt / across back waters / contaminated rivers
    • RC sewers carrying bio-contaminated water / sewage
    • Concrete Drains carrying sea water / back waters etc
    • Construction of buildings along coastal belt susceptible to attack against MIC


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