BEHAVIOUR OF A CONTINUOUSLY REINFORCED CONCRETE ROAD AT DUNDEE:RESULTS OF CRACK SURVEYS ON THE CONCRETE BASE AND ASPHALT SURFACING

摘要

This report gives the results of three crack surveys which were made on an asphalt-surfaced continuously reinforced concrete "base, laid at Dundee in 1957. The 8 in. base is 3,896 ft long, with no expansion or contraction joints, and it is believed to be the longest of its kind in Great Britain. The reinforcement, weighing 10.76 lb/yd , was continued through each construction joint where, in addition, tie-bars were provided. The traffic intensity on the road is class¬ified as "heavy".nThe first and second crack surveys were made on the concrete in August 1957 and October 1957, the second being carried out just before the road was surfaced with asphalt.