Reinforcing Concrete Structures with Fibre …

1 ReinforcingConcrete Structures with Fibre reinforced PolymersISIS CANADA RESEARCH NETWORKThe Canadian Network of Centres of Excellence on Intelligent Sensing for Innovative StructuresLe r seau canadien de Centres d'excellence sur les innovations en Structures avec syst mes de d tection int gr sDesign Manual No. 3 September MANUAL Design Manual No. 3 September 2007 ISIS CANADA RESEARCH NETWORK The Canadian Network of Centres of Excellence on Intelligent Sensing for Innovative Structures Le r seau canadien de Centres d'excellence sur les innovations en Structures avec syst mes de d tection int gr s Concrete Structures with Fibre - reinforced Polymers Design Manual No. 3, Version 2 ISBN 0-9689006-6-6 ISIS Canada Corporation December 2006 ISIS Canada, Intelligent Sensing for Innovative Structures , A Canadian Network of Centres of Excellence, 227 Engineering Building, University of Manitoba, Winnipeg, Manitoba, R3T 5V6, Canada E-mail: To purchase additional copies, refer to the order form at the back of this document.

2 This publication may not be reproduced, stored in a retrieval system, or transmitted in any form or by any means without prior written authorization from ISIS Canada. The recommendations contained herein are intended as a guide only and, before being used in connection with any design, specification or construction project, they should be reviewed with regard to the full circumstances of such use, and advice from a specialist should be obtained as appropriate. Although every care has been taken in the preparation of this Manual, no liability for negligence or otherwise will be accepted by ISIS Canada, the members of its technical committee, peer review group, researchers, servants or agents. ISIS Canada publications are subject to revision from time to time and readers should ensure that they possess the latest version. Technical Committee: John Newhook Dalhousie University Dagmar Svecova University of Manitoba Gamil Tadros SPECO Engineering Ltd.

3 Aftab Mufti University of Manitoba Brahim Benmokrane Universit de Sherbrooke Technical Editor: Leslie Jaeger, Professor Emeritus, Dalhousie University Design and Production: Kimberly Hes-Jobin, ISIS Canada Author: John Newhook Dalhousie University Co-Author: Dagmar Svecova University of Manitoba ISIS Canada is a member of the Networks of Centres of Excellence (NCE) program, administered and funded by the Natural Sciences and Engineering Research Council (NSERC), the Canadian Institutes of Health Research (CIHR) and the Social Sciences and Humanities Research Council (SSHRC), in partnership with Industry Canada. OF CONTENTS 1 Preface Preface .. Preface to Version 2 ISIS CANADA Research Program.

4 Teaching and Education Activities .. 3 USING THIS MANUAL General Requirements .. Drawings and Related Documents .. Code References .. 4 FRP Reinforcing MATERIALS Definitions .. General .. FRP Constituents .. Fibres .. FRP Reinforcing Products and Material Properties .. Manufacturing Process .. Coefficient of Thermal Expansion of Effect of High Bond Properties of FRP Reinforcing Fatigue of FRP Reinforcing Bars .. Creep and Relaxation of FRP Reinforcing Durability of FRP Reinforcing Bars.

5 Commercially-Available Reinforcing 5 DESIGN PROCESS Definitions .. General .. Limit States Design .. Load Factors and Loading Combinations for Resistance Factors .. Service Stress Limit for Glass FRP CSA Load Factors and Loading Combinations for Bridges .. Load Resistance Factors .. Service Stress Limits States - Constitutive Relationships for Tensile Strength .. Compressive Modulus of Elasticity .. Constitutive Relationship for FRP.

6 Tensile Strength and Modulus of Elasticity .. Compressive Strength and Modulus of Elasticity .. 6 DESIGN FOR FLEXURE Definitions .. General .. Strain Compatibility .. Modes of Balanced Failure Reinforcement Ratio .. Failure Due to Crushing of Tension Failure .. Cracking Minimum Flexural Resistance .. Additional Criteria for Tension Beams with FRP Reinforcement in Multiple Layers .. Beams with Compression Reinforcement .. Beams with Multiple Reinforcement Types .. Rectangular Beam Example .. Slab Concrete Slab-On-Girder Bridge Flexural Method FRP- reinforced Deck Slabs.

7 Internally Restrained Bridge Deck Design FRP- reinforced .. Example: GFRP- reinforced Deck Slab .. 7 SERVICEABILITY LIMIT STATES Definitions .. General .. Calculation of Service Stresses .. Cracking .. Permissible Crack Width .. Strain Limit Approach .. Crack Width Calculation .. Deflection .. Minimum Thickness of Members reinforced with Effective Moment of Inertia Curvature Approach .. Deflection Under Sustained Load.

8 Permissible Example: Determining Minimum Thickness Using Span-to-Deflection Ratio .. Example of Service Stress, Crack Width and Deflection Calculations .. 8 DEVELOPMENT, ANCHORAGE AND SPLICING OF REINFORCEMENT Definitions .. General .. Development Length and Splicing of FRP Reinforcement .. 9 DEFORMABILITY Definitions .. Deformability .. Example of Deformability Calculations .. 10 SHEAR DESIGN Definitions .. General .. Beams with FRP Web Reinforcement .. Types of FRP Stirrups .. Detailing of FRP Shear Resistance Provided by FRP Maximum Strain in FRP Modes of Shear Resistance Provided by Minimum Amount of Shear Reinforcement.

9 Maximum Spacing of FRP Shear Design 11 PLACEMENT OF REINFORCEMENT AND CONSTRUCTABILITY General .. Spacing of Longitudinal Reinforcement .. Graders, Sizes, Bar Identification .. Strength and Modulus Surface Bar sizes .. Bar Concrete Cover .. Handling and Gloves .. On-Site Ultra-Violet High Temperatures .. Moisture and Chemicals .. Lifting and Hoisting .. Placement and Oil and Grease .. Bar Placement.

10 Contact between Steel and FRP Ties and Rebar Splices .. Reinforcement Cage Floating .. Vibrating .. Bends and Hooks .. Walking on FRP Bars .. Quality Control and Quality Assurance .. Prior to During Common Safety Precautions .. 12 FIELD APPLICATIONS Crowchild Bridge, Alberta .. Hall s Harbor Wharf, Nova Scotia .. Joffre Bridge, Qu bec .. Taylor Bridge, Centre Street Bridge, Brookside Cemetery Marker Mountings, Manitoba .. Universit de Sherbrooke Pedestrian Bridge, Qu bec .. Laurier Tach Parking Garage, Gatineau (Qu bec).