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
... Ground Materials - Exposure - Evaporation 35 37 50 51 52 CHAP . II . PRINCIPLES OF ROAD - MAKING , P. 56 . Application of the Principles of Moving Bodies Strength of Roads Collision - Friction Hardness Machine for measuring the Power of ...
... Ground Materials - Exposure - Evaporation 35 37 50 51 52 CHAP . II . PRINCIPLES OF ROAD - MAKING , P. 56 . Application of the Principles of Moving Bodies Strength of Roads Collision - Friction Hardness Machine for measuring the Power of ...
Página 7
... ground was not solid , and raised it by strong side walls , or by arches and piers where it was necessary to gain elevation . The paved part of the great military roads was sixteen Roman feet wide , with two side ways , each eight feet ...
... ground was not solid , and raised it by strong side walls , or by arches and piers where it was necessary to gain elevation . The paved part of the great military roads was sixteen Roman feet wide , with two side ways , each eight feet ...
Página 35
... ground plan , and of thirty feet to an inch for the vertical section . The map should be correctly shaded , so as to exhibit a true representation of the country , with all its undulations of high grounds and valleys , streams and ...
... ground plan , and of thirty feet to an inch for the vertical section . The map should be correctly shaded , so as to exhibit a true representation of the country , with all its undulations of high grounds and valleys , streams and ...
Página 46
... ground is not always to be avoided , as being unfit for a road ; for , if the hills are steep and short , it will often be easy to obtain good inclinations , or even a level road , by cutting down the summits , and laying the materials ...
... ground is not always to be avoided , as being unfit for a road ; for , if the hills are steep and short , it will often be easy to obtain good inclinations , or even a level road , by cutting down the summits , and laying the materials ...
Página 48
... in Plate I. Fig . 4. Here it would be proper to pass the valley lower down , to take advantage of the intervening high ground , as will be seen by the section , in which it is evident that much less 48 A TREATISE ON ROADS .
... in Plate I. Fig . 4. Here it would be proper to pass the valley lower down , to take advantage of the intervening high ground , as will be seen by the section , in which it is evident that much less 48 A TREATISE ON ROADS .
Outras edições - Ver tudo
A Treatise on Roads: Wherein the Principles on which Roads Should be Made ... Sir Henry Parnell Visualização integral - 1837 |
A Treatise on Roads: Wherein the Principles on which Roads Should be Made ... Sir Henry Parnell Visualização integral - 1833 |
A Treatise on Roads: Wherein the Principles on which Roads Should be Made ... Sir Henry Parnell Visualização integral - 1838 |
Palavras e frases frequentes
2d Edition abutments acclivity Allesley arch axle bottom breadth bridge broken stones built carriage centre cloth coach coating commissioners considerable constructed contractor Coventry cross drains depôts depth draught drawing earth eighteen inches elasticity embankments engineer Engravings expense experiments fences foot footpath formed Foster's Booth foundation four inches gravel half hard Hartshill hill hind Holyhead Road horizontal horses improvement inches deep inches thick inches wide J. C. LOUDON John Kershaw labour laid length line of road London masonry materials ment miles necessary nine inches North Wales paved pavement placed Plate posts principle proper quicksets Rates of Inclination repair road-making roadway side channels side springs six inches slopes spirit level Stowe Hill surface surveyor Telford Thomas Baylis three inches tractive TREATISE trustees turnpike roads turnpike trusts velocity Vignette Titles vols waggon weight wheels whole wing walls Woodcuts yards
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