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

Modification of Mineral Additives when Treating their Suspensions in Different Cavitators

Publication: Special Publication
Date: 8/10/2018

SRP/SRG Strips Bonded to Concrete Substrate: Experimental Characterization

Publication: Special Publication
Date: 8/10/2018

The Bond Strength of Repairing Systems Applied to Concrete Elements: Analysis of Historical Data

Publication: Special Publication
Date: 8/10/2018

Marine Environmental Condition Effect on FRP Sheets Durability and Bond Strength to Concrete

Publication: Special Publication
Date: 8/10/2018

Study of Green FRCM Systems Made of Lime-Based Matrix and Hemp Fibers

Publication: Special Publication
Date: 8/10/2018

Utilization of Steel Furnace Aggregate in Geopolymer Concrete for Wave-Breaker Application

Publication: Special Publication
Date: 8/10/2018

Suitability of Recycled Aggregate as a Replacement for Natural Aggregate in Construction

Publication: Special Publication
Date: 8/10/2018

Study of Environmentally Friendly Mortars Prepared with Recycled Concrete Aggregates and Biomass Ash

Publication: Special Publication
Date: 8/10/2018

Reversible Creep of Building Materials under Constant and Repeated Loading

Publication: Special Publication
Date: 8/10/2018

Flexural Behavior of Corroded RC Beams

Publication: Special Publication
Date: 8/10/2018

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