Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Concrete Pavement Patching. State of the Art
Current Arizona Department of Transportation practice regarding acceptance of concrete patching materials involves preapproval of a product based on laboratory testing only. Experience has shown this process may not assure product performance under field and traffic conditions. The study is intended to develop a process of involving both field and laboratory testing to assure higher levels of field performance for any and all approved concrete patching materials. The practices of several state highway agencies with sizable mileages of concrete pavements were reviewed to define the state of the art in partial depth patching. No concrete pavement patching material is totally predictable in terms of laboratory testing versus field performance. Portland cement concrete patching mixtures appear to have the best overall record, although several proprietary rapid-sets have good service records in certain geographic areas. Recommendations for standard tests and field performance analysis is presented that will lead to pre-approval of any product based on a three-step approval procedure.
Concrete Pavement Patching. State of the Art
Current Arizona Department of Transportation practice regarding acceptance of concrete patching materials involves preapproval of a product based on laboratory testing only. Experience has shown this process may not assure product performance under field and traffic conditions. The study is intended to develop a process of involving both field and laboratory testing to assure higher levels of field performance for any and all approved concrete patching materials. The practices of several state highway agencies with sizable mileages of concrete pavements were reviewed to define the state of the art in partial depth patching. No concrete pavement patching material is totally predictable in terms of laboratory testing versus field performance. Portland cement concrete patching mixtures appear to have the best overall record, although several proprietary rapid-sets have good service records in certain geographic areas. Recommendations for standard tests and field performance analysis is presented that will lead to pre-approval of any product based on a three-step approval procedure.
Concrete Pavement Patching. State of the Art
P. E. Mueller (Autor:in) / J. P. Zaniewski (Autor:in)
1988
43 pages
Report
Keine Angabe
Englisch
Civil Engineering , Construction Equipment, Materials, & Supplies , Transportation & Traffic Planning , Transportation , Highway maintenance , Concrete pavements , Portland cements , Repair , Pavement condition , Road materials , Arizona , Test methods , Concrete durability , Maintenance , Mechanical properties , Standards , Specifications
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