00129363

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http://onlinepubs.trb.org...s/trr/1975/554/554-008.pdf

https://scholar.google.co...eech&publication_year=1975

Experiments were performed with partial-depth precast concrete patching to determine the feasibility of the method. In the experiments, prefabricated slabs of various sizes, stockpiled near the pavement repair site, were installed in machine-cut holes in the pavement and cemented into place to make 68 patches. To determine the feasibility of using the cutting machines to prepare deteriorated areas for cast-in-place patches, 22 such patches were installed. Two Klarcrete machines were used to prepare the holes for patching. In the precast patching operations 292.5 sq ft (27.17 sq m) were installed in 88 working hours, and in the cast-in-place operations 101.5 sq ft (9.43 sq m) were installed in 26.4 hours. Major conclusions from the experiments were (a) precast patching is feasible, and the machines used to cut the holes did a creditable job; (b) additional projects in the 300 to 500-sq ft (27.9 to 46.5- sq m) range are needed to develop a sophisticated methodology for increasing production; and (c) a commercial domestic epoxy resin is desirable that will cure as rapidly as the imported product (30 min). /Author/

Publication of this paper sponsored by Committee on Pavement Maintenance. Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. Copyright © National Academy of Sciences. All rights reserved.

01411412

pp 62-72

1975

Transportation Research Record

54th Annual Meeting of the Transportation Research Board

0309024609

Print

Figures (15) ; Tables (5)

Cast in place structures; Cutting; Epoxy resins; Feasibility analysis; Machines; Patching; Precast concrete; Prefabricated structures; Slabs

Highways; Maintenance and Preservation

TRIS, TRB

Mar 10 1976 12:00AM

• CHARACTERISTICS OF HAZARDOUS CARGO SHIPMENTS ON VIRGINIA HIGHWAYS
• CHEMICAL TRANSPORTATION EMERGENCY CENTER
• DETERMINING HIGHWAY SHOCK INDEX
• HOT-MIXED MEMBRANE FOR BRIDGE DECK PROTECTION
• TRANSPORTABILITY CRITERIA HANDBOOK (ABRIDGMENT)
• U.K. DEVELOPMENTS IN HIGHWAY MAINTENANCE SINCE THE MARSHALL REPORT
• USER DELAY COST MODEL FOR HIGHWAY REHABILITATION