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Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Maintenance and Repair of Portland Cement Concrete Pavement
Author(s): A. A. Pavement
Publication: Journal Proceedings
Appears on pages(s): 477-492
Abstract:Highway maintenance consists of routine maintenance which is carried on daily and special maintenance conducted by appropriate intervals with spe-cially trained crews -the better the routine maintenance, the less generally, the special maintenance. Routine maintenance operations consist largely of sealing cracks and joints against infiltration of dirt and water and maintaining that seal. Operations vary with types of joints and climatic and subgrade conditions. Maintenance procedure for expansion joints filled. with -nonextruding and extruding material, contraction joints, construction joints and cracks, is deItems’ of special maintenance are covered in considerable detail as they generally require more engineering supervision. Patching concrete pavements with concrete is best because, when properly done, patches are integral with the pavement and not inferior to the original slab. Procedure and methods of construction. Based on extensive experience records, are discussed under the headings: slab thickness, removal of old slab preparation of subgrade, materials and proportion of concrete, finishing and curing. "Mudjacking" and materials and mixtures for the slurries are outlined as a means of both raising settled slabs and minimizing and preventing damage from pumping slab ends. Methods and. means of protecting existing concrete pavements against surface scale where air-entraining portland cement was not used during construction are also outlined.
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