Investigation to determine behavior of experimental prestressed slab when subjected to moving loads over extended period of time is described; tests were conducted on 75-ft slab that included one of rubber expansion joints; load was applied by specially designed vehicle having axles spaced 20 ft apart and carrying 14 tons each; vehicle was positioned on slab so that curb wheels traveled in straight line about 6 in. from edge of slab; test extended over 2 1/2-mo period and comprised more than 580,000 repetitions applied at rate of about 10,000/day; performance of slab was excellent.
Moving load test on experimental prestressed concrete highway slab
Nat Research Council -- Highway Research Board -- Research Rec
1964
18 pages
Aufsatz (Zeitschrift)
Englisch
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