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Prestressed Concrete Channel Bridges for Secondary Roads. Part II. An Investigation of Overload and Ultimate Behavior under Hydraulic Jack Loading

C. R. Bramer / M. E. Uyanik / E. P. Loppacker

The report is concerned with the overload effects on and the ultimate behavior of a particular multi-beam bridge under hydraulic jack loading. The bridge consisted of simply-supported double-tee sections placed side-by-side, provided with V-shaped keys and lateral post-tensioned cables so that transverse load transfer could occur between units. Experimental procedures are reported, including discussions on the instrumentation, the test of a single member, the overload tests, and the ultimate load test. Possible methods of bridge failure are also considered. Results of the testing are reported and discussed, and H-ratings at cracking loads and ultimate load are given. Deflections and load distributions before and after overloads are compared. Results are given on joint slippages and transverse load distribution at ultimate load. Recommendations as to possible improvements of the bridge for better performance under high intensity loads are made. (Author)

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Prestressed Concrete Channel Bridges for Secondary Roads. Part II. An Investigation of Overload and Ultimate Behavior under Hydraulic Jack Loading

C. R. Bramer / M. E. Uyanik / E. P. Loppacker

The report is concerned with the overload effects on and the ultimate behavior of a particular multi-beam bridge under hydraulic jack loading. The bridge consisted of simply-supported double-tee sections placed side-by-side, provided with V-shaped keys and lateral post-tensioned cables so that transverse load transfer could occur between units. Experimental procedures are reported, including discussions on the instrumentation, the test of a single member, the overload tests, and the ultimate load test. Possible methods of bridge failure are also considered. Results of the testing are reported and discussed, and H-ratings at cracking loads and ultimate load are given. Deflections and load distributions before and after overloads are compared. Results are given on joint slippages and transverse load distribution at ultimate load. Recommendations as to possible improvements of the bridge for better performance under high intensity loads are made. (Author)

Prestressed Concrete Channel Bridges for Secondary Roads. Part II. An Investigation of Overload and Ultimate Behavior under Hydraulic Jack Loading

C. R. Bramer / M. E. Uyanik / E. P. Loppacker

The report is concerned with the overload effects on and the ultimate behavior of a particular multi-beam bridge under hydraulic jack loading. The bridge consisted of simply-supported double-tee sections placed side-by-side, provided with V-shaped keys and lateral post-tensioned cables so that transverse load transfer could occur between units. Experimental procedures are reported, including discussions on the instrumentation, the test of a single member, the overload tests, and the ultimate load test. Possible methods of bridge failure are also considered. Results of the testing are reported and discussed, and H-ratings at cracking loads and ultimate load are given. Deflections and load distributions before and after overloads are compared. Results are given on joint slippages and transverse load distribution at ultimate load. Recommendations as to possible improvements of the bridge for better performance under high intensity loads are made. (Author)

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Titel:

Prestressed Concrete Channel Bridges for Secondary Roads. Part II. An Investigation of Overload and Ultimate Behavior under Hydraulic Jack Loading

Beteiligte:

C. R. Bramer (Autor:in) / M. E. Uyanik (Autor:in) / E. P. Loppacker (Autor:in)

Erscheinungsdatum:

1962

Format / Umfang:

85 pages

Medientyp:

Report

Format:

Keine Angabe

Sprache:

Englisch

Schlagwörter:

Civil Engineering , Bridges , Roads , Loading(Mechanics) , Concrete , Hydraulic jacks , Stresses , Beams(Structural) , Tests , Load distribution , Failure(Mechanics)

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