Bridging the Years: A Short History of British Civil EngineeringE. Arnold, 1956 - 212 páginas |
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Página 87
... heavy traffic junctions the automatic system of signal and points interlocking was gradu- ally introduced with a marked advance in safety efficiency . Among the many improvements devised to achieve economy in operation , was the hump ...
... heavy traffic junctions the automatic system of signal and points interlocking was gradu- ally introduced with a marked advance in safety efficiency . Among the many improvements devised to achieve economy in operation , was the hump ...
Página 106
... heavy rubble or concrete blocks tipped pell - mell and allowed to spread in natural slopes under wave action ; and ( ii ) the wall type , where heavy concrete blocks were built in orderly fashion on a prepared sea - bed , to form a wall ...
... heavy rubble or concrete blocks tipped pell - mell and allowed to spread in natural slopes under wave action ; and ( ii ) the wall type , where heavy concrete blocks were built in orderly fashion on a prepared sea - bed , to form a wall ...
Página 110
... heavy , had to be mobile so that during storms it could be run back to safe base Fig . 29. Model block setting refuges without undue expense or loss of time . The hazards of maritime construction were heavy and the financial risks high ...
... heavy , had to be mobile so that during storms it could be run back to safe base Fig . 29. Model block setting refuges without undue expense or loss of time . The hazards of maritime construction were heavy and the financial risks high ...
Contenido
CHAPTER PAGE | 1 |
Contracting in the Nineteenth and Early Twentieth Cen | 89 |
Some Notable British Civil Engineering Works I 1825 | 106 |
Otras 35 secciones no mostradas
Términos y frases comunes
activity arch bank became began better bridge Britain British brought building built called Canal carried century changes channel civil engineering companies completed concrete considerable construction consulting continuous contracting contractors cost created demands difficulties direct early economic effected electricity erection established example experience feet firm flood foundations gate give greater heavy important improvements increased industrial Institution interest iron James John knowledge later length lock London materials mechanical methods miles nature opening operation opportunities original period ports possible practical pressure problems profession professional railway Rennie river road scheme scientific Ship showed Sir John Smeaton Society spans started steel Stephenson structure success supply Telford Thames theory Thomas tion traffic transport tunnel wide World