A Treatise on Roads: Wherein the Principles on which Roads Should be Made are Explained and Illustrated, by the Plans, Specifications, and Contracts Made Use of by Thomas Telford, Esq. on the Holyhead RoadLongman, Orme, Brown, Green, and Longmans, 1838 - 465 páginas |
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Página v
... Hills , and Valleys Rivers Bogs and Marsh Ground · Materials - Exposure - Evaporation CHAP . II . PRINCIPLES OF ROAD - MAKING , Strength of Roads P. 56 . Application of the Principles of Moving Bodies Collision - Friction Hardness ...
... Hills , and Valleys Rivers Bogs and Marsh Ground · Materials - Exposure - Evaporation CHAP . II . PRINCIPLES OF ROAD - MAKING , Strength of Roads P. 56 . Application of the Principles of Moving Bodies Collision - Friction Hardness ...
Página 6
... hills lowered , the valleys filled up , the marshes drained , and the bridges which were built ! " * The following description of the manner in which the Roman roads were made , is taken from the same work : - " Les grands chemins ...
... hills lowered , the valleys filled up , the marshes drained , and the bridges which were built ! " * The following description of the manner in which the Roman roads were made , is taken from the same work : - " Les grands chemins ...
Página 25
... hills , and forming embankments , making the breadth every where the same , and defining it * Remarks on Road - making , by John Loudon M'Adam . Extract from the Westminster Review , Vol . iv . p . 354 . " We consider this latter ...
... hills , and forming embankments , making the breadth every where the same , and defining it * Remarks on Road - making , by John Loudon M'Adam . Extract from the Westminster Review , Vol . iv . p . 354 . " We consider this latter ...
Página 27
... hills . He also laid out the road from Perth to Dunkeld . In all cases he acted on the principle of never making a road to ascend a single foot unless abso- lutely unavoidable ; and this he accomplished by taking advantage of the ...
... hills . He also laid out the road from Perth to Dunkeld . In all cases he acted on the principle of never making a road to ascend a single foot unless abso- lutely unavoidable ; and this he accomplished by taking advantage of the ...
Página 31
... been paid to the essential points of a good road ; it was narrow and crooked , hills had been passed over , and valleys were crossed without The obvious utility of a work explaining the principles on * c 8 INTRODUCTION . 31.
... been paid to the essential points of a good road ; it was narrow and crooked , hills had been passed over , and valleys were crossed without The obvious utility of a work explaining the principles on * c 8 INTRODUCTION . 31.
Índice
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Términos y frases comunes
Allesley arch Archway Road axles bottom breadth brick bridge broken stones built carriage centre coach coating commissioners constructed contract contractor Coventry cross drains DAVIES GILBERT depôts depth draught dynamometer earth eighteen inches elasticity embankments engineer expense experiments feet wide fences foot footpath fore wheels formed foundation four inches friction gravel ground half hard Hartshill height hill hind wheels Holyhead Road horizontal horses improvement inches deep inches thick inches wide instrument John Kershaw John Macneill labour laid length line of road manner masonry ment miles mortar mound necessary nine inches paved pavement placed Plate VII proper quicksets rails rates of inclination repair road-making roadway ruts side channels side springs six inches slopes specification spirit level springs square streets surface surveyor Telford theodolite Thomas Baylis three feet three inches trustees turnpike roads turnpike trusts upper velocity waggon whole wing walls
Pasajes populares
Página 20 - They will here meet with rutts which I actually measured four feet deep, and floating with mud only from a wet summer; what therefore must it be after a winter?