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Author: Jo A. Lary Publisher: ISBN: Category : Pavements Languages : en Pages : 27
Book Description
This summary report describes the field data and analysis techniques used to evaluate the effect of winter ground freezing on WSDOT pavement structures during two thaw periods. Six field test sites were selected in District 2 for deflection testing and in situ instrumentation as well as materials sampling. The results show that a principal mechanism which necessitates load restrictions for some of the WSDOT pavement structures is the weakened condition of the base course during thawing periods. Presented in the report is a single revised load restriction table and criteria to use in determining the time and location for establishing load restrictions.
Author: Jo A. Lary Publisher: ISBN: Category : Pavements Languages : en Pages : 27
Book Description
This summary report describes the field data and analysis techniques used to evaluate the effect of winter ground freezing on WSDOT pavement structures during two thaw periods. Six field test sites were selected in District 2 for deflection testing and in situ instrumentation as well as materials sampling. The results show that a principal mechanism which necessitates load restrictions for some of the WSDOT pavement structures is the weakened condition of the base course during thawing periods. Presented in the report is a single revised load restriction table and criteria to use in determining the time and location for establishing load restrictions.
Author: Sally A. Shoop Publisher: ISBN: 9780784415085 Category : Frost heaving Languages : en Pages : 146
Book Description
Frost Action in Soils: Fundamentals and Mitigation in a Changing Climate reviews and updates the state of knowledge on frost-action fundamentals, the impact of climate change, and mitigation of frost action on pavements and other structures.
Author: Gary L. Hoffman Publisher: ISBN: Category : Pavements Languages : en Pages :
Book Description
Prompted by the continuing frost damage experienced throughout Pennsylvania, the Pennsylvania Department of Transportation, Bureau of Materials, Testing and Research initiated a research project in 1969 to evaluate the frost problem in the State. This research project deals primarily with statistically analyzing freezing index variation, frost depth prediction techniques and ensuing appropriate frost design changes. Data for these analyses are available from 14 field test sites across Pennsylvania which have been monitored monthly throughout the last 8 freezing seasons. Frost depths predicted by two theoretical methods and one empirical method are statistically regressed with actual maximum frost depths at the field sites. The sensitivity of the prediction to variations in the pertinent dependent variables are also considered. The best prediction technique for the Pennsylvania data set is chosen, and comments on obtaining realistic input variables are made.
Author: Jo A. Lary
Author: Jo A. Lary
Author: Barry Jo Dempsey
Author: Barry J. Dempsey
Author: United States. Department of the Army
Author: Barry J. Dempsey
Author: Sally A. Shoop
Author: William John Curtis
Author: Palmer Utterback
Author: Gary L. Hoffman
Author: Arctic Construction and Frost Effects Laboratory (U.S.)