Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Strength of Repaired Piles
This report presents results from a two-year laboratory study to assess the strength of repaired pile sand to identify measures that would lead to improved efficiency. One third scale model pile specimens fabricated at a commercial prestressing facility were repaired and tested to failure. The results of the study show that current practice yields satisfactory results though simple measures that improve interface bond can further enhance capacity. It should be noted however that these findings are based on short term testing where effects of differential shrinkage between the pile core and the rapair material did not play a significant role. Moreover, the long-term integrity of the jacket was not addressed. This may have far reaching effects on the structural performance of any such repair.
Strength of Repaired Piles
This report presents results from a two-year laboratory study to assess the strength of repaired pile sand to identify measures that would lead to improved efficiency. One third scale model pile specimens fabricated at a commercial prestressing facility were repaired and tested to failure. The results of the study show that current practice yields satisfactory results though simple measures that improve interface bond can further enhance capacity. It should be noted however that these findings are based on short term testing where effects of differential shrinkage between the pile core and the rapair material did not play a significant role. Moreover, the long-term integrity of the jacket was not addressed. This may have far reaching effects on the structural performance of any such repair.
Strength of Repaired Piles
J. Fischer (Autor:in) / G. Mullins (Autor:in) / R. Sen (Autor:in)
2000
202 pages
Report
Keine Angabe
Englisch
Highway Engineering , Construction Equipment, Materials, & Supplies , Pile foundations , Bridge foundations , Corrosion , Maintenance , Bridges(Structures) , Bridge piers , Weathering , Florida , Damage assessment , Load tests , Axial loads , Bend tests , Test methods , Finite element analysis , Axial stress , Axial strain , Jackets
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