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The distribution of temperatures in experimental pavements at Alconbury by-pass
The temperature history of four small experimental pavements laid adjacent to the full-scale road experiment at Alconbury By-Pass has been studied in detail. Temperatures in the pavements have been recorded at depths of 20 mm, 40mm, 100 mm, 200 mm and 350mm. There is little major difference in the temperature behaviour of the four constructions. Representative elements of the history of one of …
An instrumented car to analyse energy consumption on the road
Trrl Lr 787 The report describes an instrumented car capable of gathering realistic data in a wide variety of surroundings, ranging from motorways to heavily congested urban roads. Subsequent computer analysis yields information on parameters such as speed, acceleration, throttle opening, engine power output, engine efficiency and fuel consumption. A series of distribution presents this info…
Evaluation of Physical and Fractional Properties of Asphalt and Their Interre…
Trr No. 1171 Asphalt Materials And Mixtures, pp. 82-97 Asphalt from 8 projects were evaluated. The relationships between the fractional components and temperature susceptibility parameters were also examined. Also presented are evaluations of four different asphalt extraction recovery procedures and a pressure oxygen bomb device used for laboratory aging of asphalt
Rock Correction Issues in Compaction Specifications for High Gravel Content Soil
Trr No. 1462 Soils, Geology, And Foundations, pp. 3-9 The results of a survey of several large onstruction companies in the southwestern United States revealed that antractors have a great deal of experience with scalp-and-replace rock arrection methods and apparently not as much experience with rock ,nrection equations, particularly in highway work. Although contrac,r, may tend to have most o…
