Specification for Crack Repair by Epoxy Injection (ACI 503.7-07)

Description

This Specification covers the repair of cracks in concrete by pressure-injecting epoxy into cracks that intersect at least one accessible surface of the concrete or masonry member .It does not cover the repair of de laminations where the inter section of the cracked concrete with the surface of the concrete member is not accessible nor can be made accessible.

accepted—determined to be satisfactory by the Architect/Engineer. Architect/Engineer—the architect, engineer, architecturalfirm, or engineering firm issuing Contract Documents oradministering the Work under Contract Documents, or both.bond line—the layer of adhesive that attaches twoopposing faces of a crack.continuous metering and mixing—theprocess in which two adhesive components are continuously metered into anddischarged from a mixing chamber.

Contract Documents—a set of documents supplied bythe Owner to the Contractor as the basis for construction;these documents contain contract forms, contract conditions,specifications, drawings, addenda, and contract changes.crack face—theexposed intersection of a crack and thesurface of the concrete member.crack repair—the work performed to permit the transferoftensile stress across the crack.injection adhesive—thematerial that is injected into acrack for the purpose of repair.