Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Laboratory & Field Evaluations of Pervious Concrete
This study evaluates the factors affecting the testing of strength and hydraulic parameters of pervious concrete pavement (PCP), presents results of long-term infiltration monitoring and cleaning operations, and investigates freeze-thaw durability of pervious concrete and the effects of fly ash. The specific objectives of this study were to: (1) determine how rubber capping and sulfur capping affect compressive strength measurements of PCP; (2) determine the effects of height to diameter (H:D) ratio of cylindrical specimens on compressive strength measurements of PCP; (3) compare various methods used to determine infiltration rate of PCP in the field to one another and to laboratory measurements of hydraulic conductivity; (4) monitor two PCP facilities in Vermont for changes to infiltration rate over time; (5) evaluate the effects of various cleaning methods on the restoration of infiltration rates; (6) determine the effects of deicing salts on pervious concrete, using a modified and more field representative testing procedure that involves slow freeze-thaw cycling in drained condition, and (7) determine the effects of cement replacement with increasing amounts of fly ash on the freeze-thaw durability of pervious concrete. In addition, the results of this study were used to suggest correlations to the field observations seen at several pervious concrete sites in Vermont.
Laboratory & Field Evaluations of Pervious Concrete
This study evaluates the factors affecting the testing of strength and hydraulic parameters of pervious concrete pavement (PCP), presents results of long-term infiltration monitoring and cleaning operations, and investigates freeze-thaw durability of pervious concrete and the effects of fly ash. The specific objectives of this study were to: (1) determine how rubber capping and sulfur capping affect compressive strength measurements of PCP; (2) determine the effects of height to diameter (H:D) ratio of cylindrical specimens on compressive strength measurements of PCP; (3) compare various methods used to determine infiltration rate of PCP in the field to one another and to laboratory measurements of hydraulic conductivity; (4) monitor two PCP facilities in Vermont for changes to infiltration rate over time; (5) evaluate the effects of various cleaning methods on the restoration of infiltration rates; (6) determine the effects of deicing salts on pervious concrete, using a modified and more field representative testing procedure that involves slow freeze-thaw cycling in drained condition, and (7) determine the effects of cement replacement with increasing amounts of fly ash on the freeze-thaw durability of pervious concrete. In addition, the results of this study were used to suggest correlations to the field observations seen at several pervious concrete sites in Vermont.
Laboratory & Field Evaluations of Pervious Concrete
I. A. Anderson (Autor:in) / M. Suozzo (Autor:in) / M. M. Dewoolkar (Autor:in)
2013
93 pages
Report
Keine Angabe
Englisch
Highway Engineering , Civil Engineering , Construction Management & Techniques , Construction Materials, Components, & Equipment , Transportation & Traffic Planning , Urban Administration & Planning , Regional Administration & Planning , Transportation , Problem-Solving Information for State & Local , Road Transportation , Adhesives & Sealants , Corrosion & Corrosion Inhibition , Pavements , Pervious concrete , Highways , Roads , Durability issues , Urban roadways , Laboratory testing , Mixture proportioning , Recommendations
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Performance comparison of laboratory and field produced pervious concrete mixtures
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