A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Lightly Reinforced Concrete Bridge-Deck Slabs on Steel Stringers: A Summary of Field Experience
Experimental deck slabs containing light reinforcement (most with a reinforcement ratio of 0.24 percent) on 28 New York State bridges were evaluated in this study for long-term serviceability. Four were instrumented with strain gages and have been load-tested annually since construction, the longest life being 10 years. Thirteen relatively older bridges have also been inspected annually for the past 6 years, generally performing satisfactorily. Maximum stresses of bottom transverse rebars under 16-kip wheel loads over the years have always been below allowable levels, based on conservative analyses. Their behavior and performance are also compared here with regular deck slabs designed according to current AASHTO specifications. Maximum transverse-rebar stresses in both lightly reinforced and AASHTO deck slabs increased noticeably for their first year or two, but remained relatively constant thereafter.
Lightly Reinforced Concrete Bridge-Deck Slabs on Steel Stringers: A Summary of Field Experience
Experimental deck slabs containing light reinforcement (most with a reinforcement ratio of 0.24 percent) on 28 New York State bridges were evaluated in this study for long-term serviceability. Four were instrumented with strain gages and have been load-tested annually since construction, the longest life being 10 years. Thirteen relatively older bridges have also been inspected annually for the past 6 years, generally performing satisfactorily. Maximum stresses of bottom transverse rebars under 16-kip wheel loads over the years have always been below allowable levels, based on conservative analyses. Their behavior and performance are also compared here with regular deck slabs designed according to current AASHTO specifications. Maximum transverse-rebar stresses in both lightly reinforced and AASHTO deck slabs increased noticeably for their first year or two, but remained relatively constant thereafter.
Lightly Reinforced Concrete Bridge-Deck Slabs on Steel Stringers: A Summary of Field Experience
G. Fu (author) / S. Alampalli (author) / F. P. Pezze (author)
1994
50 pages
Report
No indication
English
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