Precision Concrete Cutting and Repair System For Pavements

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Title: Precision Concrete Cutting and Repair System For Pavements

Author(s): Lloyd G. Byrd

Publication: Special Publication

Volume: 51

Issue:

Appears on pages(s): 257-268

Keywords: bushhammering; compressive strength; concrete finishes (hardened concrete); concrete pavements; concrete slabs; cutting; deterioration; precast concrete; repairs; resurfacing; skid resistance; surface defects; texture

Date: 1/1/1975

Abstract:
Until recently, cutting operations, repairs, and new surfacings on concrete pavements often have necessitated closures for extended periods. A range of equipment and techniques developed in England and recently introduced in the U.S.A. make it possible for the following operations to be carried out during off-peak periods without extended closures to traffic: 1. Repairs to deteriorated or damaged surface areas by the use of partial depth precast concrete slabs or bonded conrete in-situ repairs. 2. Mass-aread bush hammering, to remove deteriorate concrete and prepare old concrete surfaces for thin bonded overlays. 3. Bump cutting to correct concrete surface irregularities. 4. Texturing to improve anti-skid characteristics of slippery concrete surfaces.