Page 25 - Unit 1: Introduction of Highway and Engineering
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     Civil Engineering Department  | DCC3113 : Highway & Traffic Engineering
  History                                 John Metcalf roads (1717-1810)
          •    He was working in England at the time when Tresaquet was busy in France.
          •    He experimented road construction with a graded mixture of earth and gravel.
          •    Since Mr. Metcalf was blind, his work could not be recorded.
          •    But it is believed that he was following the procedure outlined by Robert Philips in 1737.
          •    Robert Philips method consisted of laying gravel layer upon a well drained and dried sub-
               grade.
          •    Gravel  layer  was  used  to  be  compacted  in  due  course  of  time,  by  the  action  of  the
               traffic using road.
          •    Metcalf constructed about 290 km of road in northern parts of England.
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          Prepared by : SITI ZURAIFA BINTI MD SAH, zuraifa@pmu.edu.my
     	
