bond Topic

Bond

Definition: (1) adhesion of concrete or mortar to reinforcement or other surfaces against which it is placed, including friction and mechanical interlock; (2) adhesion of cement paste to aggregate; (3) adhesion, cohesion, or both between materials; (4) patterns formed by the exposed faces of masonry units, for example, running bond or Flemish bond.- ACI Concrete Terminology


Bond is critical to the interaction of reinforcing material (whether steel, reinforced polymer, or other material) and concrete; exceeding bond stress between the reinforcing bar and the concrete results in some form of cracking, delamination, or pull-out of the bar.

Bond can also refer to adhesive force between cement paste and aggregate, creating a resistance to tensile or shear stresses in the concrete itself.

In instances where concrete is placed against a hardened concrete, the two can become bonded to each other. Often a cement paste is applied to wet the hardened material, improving the chemical interaction at the surface. Bonding agents are also available to assure bond between distinct concrete surfaces.

Practice oriented papers and articles ON BOND

Determination of Material Properties of TRC Under Cyclic Loads

Publication: Special Publication
Date: 4/1/2018

Comparative Assessment of the Tensile Behavior of Steel and Textile Reinforced Mortar Systems

Publication: Special Publication
Date: 4/1/2018

Experimental Characterization of Glass and Carbon FRCMs for Masonry Retrofitting

Publication: Special Publication
Date: 4/1/2018

Acceptance Criteria for Concrete and Masonry Strengthening Using Fabric-Reinforced Cementitious Matrix (FRCM) and Steel Reinforced Grout (SRG) Composites

Publication: Special Publication
Date: 4/1/2018

Out-of-Plane Reinforcement of Masonry Walls with Steel Reinforced Grout

Publication: Special Publication
Date: 4/1/2018

Experimental Study on the Performance of Textile Reinforced Masonry Under Flexural Load

Publication: Special Publication
Date: 4/1/2018

Analysis and Comparison of EBR Techniques Applied to Masonry Vaults

Publication: Special Publication
Date: 4/1/2018

Banding Together to Reach Out

Publication: Concrete International
Date: 10/1/2017

Integrating Precast Cladding and Structure

Publication: Concrete International
Date: 10/1/2017

Carbonation-Activated Steel Slag Binder as Alternative Cementing Material

Publication: Special Publication
Date: 8/1/2017

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