1st Edition

Strengthening Design of Reinforced Concrete with FRP

By Hayder A. Rasheed Copyright 2015
    248 Pages 137 B/W Illustrations
    by CRC Press

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    Strengthening Design of Reinforced Concrete with FRP establishes the art and science of strengthening design of reinforced concrete with fiber-reinforced polymer (FRP) beyond the abstract nature of the design guidelines from Canada (ISIS Canada 2001), Europe (FIB Task Group 9.3 2001), and the United States (ACI 440.2R-08). Evolved from thorough class notes used to teach a graduate course at Kansas State University, this comprehensive textbook:

    • Addresses material characterization, flexural strengthening of beams and slabs, shear strengthening of beams, and confinement strengthening of columns
    • Discusses the installation and inspection of FRP as externally bonded (EB) or near-surface-mounted (NSM) composite systems for concrete members
    • Contains shear design examples and design examples for each flexural failure mode independently, with comparisons to actual experimental capacity
    • Presents innovative design aids based on ACI 440 code provisions and hand calculations for confinement design interaction diagrams of columns
    • Includes extensive end-of-chapter questions, references for further study, and a solutions manual with qualifying course adoption

    Delivering a detailed introduction to FRP strengthening design, Strengthening Design of Reinforced Concrete with FRP offers a depth of coverage ideal for senior-level undergraduate, master’s-level, and doctoral-level graduate civil engineering courses.

    Series Preface




    Advancements in Composites

    Infrastructure Upgrade

    Behavior of Strengthened Reinforced Concrete Beams in Flexure

    Behavior of Strengthened Reinforced Concrete Beams in Shear

    Behavior of Reinforced Concrete Columns Wrapped with FRP


    Background Knowledge


    Flexural Design of RC Sections

    Strain Compatibility

    Force Equilibrium

    Moment Equilibrium

    Constitutive Relationships

    Shear Design of RC Beams

    Internal Reinforcement to Confine RC Columns

    Service Load Calculations in Beams


    Constituent Materials and Properties




    Thermosetting Resins

    Thermoplastic Resins

    Fiber and Composite Forms

    Engineering Constants of a Unidirectional Composite Lamina

    FRP Sheet Engineering Constants from Constituent Properties

    Determination of E1

    Determination of E2

    Determination of ν12

    Determination of G12

    Determination of ν21

    Properties of FRP Composites (Tension)

    Properties of FRP Composites (Compression)

    Properties of FRP Composites (Density)

    Properties of FRP Composites (Thermal Expansion)

    Properties of FRP Composites (High Temperature)

    Properties of FRP Composites (Long Term Effects)


    Design Issues


    Design Philosophy of ACI 440.2R-08

    Strengthening Limits due to Loss of Composite Action

    Fire Endurance

    Overall Strength of Structures

    Loading, Environmental, and Durability Factors in Selecting FRP

    Creep-Rupture and Fatigue

    Impact Resistance

    Acidity and Alkalinity

    Thermal Expansion

    Electric Conductivity



    Flexural Strengthening of Beams and Slabs


    Strength Requirements

    Strength Reduction Factors

    Flexural Failure Modes

    Ductile Crushing of Concrete

    Brittle Crushing of Concrete

    Rupture of FRP

    Cover Delamination

    FRP Debonding


    Shear Strengthening of Concrete Members


    Wrapping Schemes

    Ultimate and Nominal Shear Strength

    Determination of εfe

    Reinforcement Limits


    Strengthening of Columns for Confinement


    Enhancement of Pure Axial Compression

    Lam and Teng Model

    Consideration of Rectangular Sections

    Combined Confinement of FRP and Transverse Steel in Circular Sections

    Combined Confinement of FRP and Transverse Steel in Rectangular Sections

    3-D State of Stress Concrete Plasticity Model

    Enhancement under Combined Axial Compression and Bending Moment

    Interaction Diagrams for Circular Columns

    Interaction Diagrams for Circular Columns using KDOT Column Expert

    Interaction Diagrams for Rectangular Columns

    Interaction Diagrams for Rectangular Columns Using KDOT Column Expert




    Environmental Conditions

    Surface Preparation and Repair



    Hayder A. Rasheed is a professor and Thomas and Connie Paulson outstanding civil engineering faculty member at Kansas State University, Manhattan, USA. Previously, he was an assistant professor at Bradley University, Peoria, Illinois, USA. He holds a BS and MS from the University of Baghdad, Iraq, and a Ph.D from the University of Texas at Austin, USA. He is an ASCE fellow, registered professional engineer, author and co-author of 3 books and more than 50 refereed journal publications, and editorial board member of the International Journal of Structural Stability and Dynamics and the Open Journal of Composite Materials.

    "Concrete structures are continuously exposed to environmental effect, leading to degradation of concrete and corrosion of steel. This is a worldwide problem. FRP has been increasingly used to rehabilitate and retrofit reinforced concrete structures. Although design guidelines have been developed in several countries, there is still no comprehensive textbook on strengthening concrete with FRP. Thus, this book is in time. It will benefit not only university students, but also engineering communities."
    --An Chen, Department of Civil, Construction, and Environmental Engineering, Iowa State University, Ames, USA