1.0 POST-INSTALLED REINFORCING BARS — WHAT ARE THEY ? |
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1.1 Post-Installed Reinforcing Bars and Their Application in Construction |
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1.2 Application Range |
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1.3 Compatibility of Post-Installed Reinforcing Bars with Cast-In-Place Reinforcing |
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2.0 HOW ARE THEY DESIGNED ? |
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2.1 Design Requirements |
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2.2 Jobsite Constraints |
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2.3 Required Bond Length |
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2.4 Connection Detailing |
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2.5 System Specification |
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2.6 Design Examples |
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2.6.1 Design Example – Shear Dowel |
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2.6.2 Design Example – Lap Splice |
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2.6.3 Design Example – Development Length in a Special Moment Frame |
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2.6.4 Design Example – Development Length For Column Structural Joint |
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2.6.5 Design Example – Development Length For Structural | |
Joint in a Special Structural Wall |
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3.0 HOW ARE THEY INSTALLED ? |
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3.1 Location of Existing Reinforcement and Other Embedded Items |
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3.2 Roughening the Existing Concrete Surface |
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3.3 Installation of Post-Installed Reinforcing Bars with Small Cover |
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3.4 Drilling Method |
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3.5 Hole Cleaning |
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3.6 Selection of Adhesive System |
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3.7 Injection of the Adhesive |
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3.8 Bar Installation |
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4.0 HOW DO I DECIDE WHICH SYSTEM TO USE ? |
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4.1 System Selection Considerations |
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5.0 DEVELOPMENT OF DESIGN DATA |
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5.1 Background |
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5.2 Establishment of Required System Performance ( Qualificaiton ) |
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6.0 WHAT ' S THE BACK STORY ? |
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6.1 Establishing the Required Bar Embedment |
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6.2 Overview of ACI 318-19 Development Length Provisions for Straight Reinforcing Bars |
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6.3 Other Straight Bar Provisions in ACI 318-19 |
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6.4 Development and Splicing Using CSA A23.3-19 Chapter 12 Provisions |
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6.5 Design of Post-Installed Reinforcing Bars Based on Development Length Concepts |
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6.6 Alternative Approaches to Establishing Bar Embedment |
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6.6.1 Design of Post-Installed Reinforcing Bars Using Anchor Design Concepts |
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6.6.2 Use of Confinement to Increase Bond Efficiency |
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6.6.3 Strut-and-Tie Models |
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6.7 Design of Shear Dowels |
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7.0 WHAT ELSE DO I NEED TO KNOW ? |
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7.1 Sustained Loads , etc . |
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7.2 Fatigue |
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7.3 Fire |
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7.4 Corrosion |
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8.0 USEFUL REFERENCE INFORMATION |
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8.1 ASTM Standard Reinforcing Bars |
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8.2 Canadian Reinforcing Bars |
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8.3 Common Grades of Reinforcing Steel |
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8.4 Calculated Tension Development and Lap Splice Lengths in Inches for Grade 60 Reinforcing | |
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Bars in Walls , Slabs and Footings per ACI 318-19 with ( C b + K tr
)/ D b ≥ 2.5
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8.5 Calculated Tension Development and Lap Splice Lengths in Millimeters for Canadian 400 MPA | |
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Reinforcing Bars in Walls , Slabs and Footings per CSA A23.3-19 with ( D cs + K tr
) ≥ 2.5D b
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