bond in concrete Topic

Bond in Concrete

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.

JOURNAL Articles ON BOND IN CONCRETE

Experimental and Numerical Investigation of Shear Behavior of RC Beams Strengthened by Ultra-High Performance Concrete

Publication: IJCSM
Date: 1/31/2019

Effect of Sand Content on the Workability and Mechanical Properties of Concrete Using Bottom Ash and Dredged Soil-based Artificial Lightweight Aggregates

Publication: IJCSM
Date: 1/31/2019

Application of Acoustic Emission Analysis—Pullout Experiments with Bonded Anchors

Publication: Structural Journal
Date: 1/1/2019

Investigation of Grouted Dowel Connections for Precast Wall Construction

Publication: Structural Journal
Date: 1/1/2019

Bond Performance of High-Volume Fly Ash Self- Consolidating Concrete in Full-Scale Beams

Publication: Structural Journal
Date: 1/1/2019

Balanced Damage Concept for Beam-to-Column Connections of Special Moment Frames Using HPFRC

Publication: Structural Journal
Date: 1/1/2019

Reliability-Based Design Provisions for Flexural Strength of Fiber-Reinforced Polymer Prestressed Concrete Bridge Girders

Publication: Structural Journal
Date: 1/1/2019

Ultimate Capacity of Corroded Statically Indeterminate Reinforced Concrete Members

Publication: IJCSM
Date: 11/30/2018

Simplified Design Equation of Minimum Interior Joint Depth for Special Moment Frames with High-Strength Reinforcement

Publication: IJCSM
Date: 11/30/2018

Modeling Residual Flexural Strength of Corroded Reinforced Concrete Beams

Publication: Structural Journal
Date: 11/1/2018

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