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 pàgines |
Des de l'interior del llibre
Resultats 1 - 5 de 76.
Pàgina v
... 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 Machine for measuring the Power of Traction ...
... 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 Machine for measuring the Power of Traction ...
Pàgina 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 ...
Pàgina 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 ...
Pàgina 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 ...
Pàgina 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 .
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Altres edicions - Mostra-ho tot
A Treatise on Roads: Wherein the Principles on which Roads Should be Made ... Sir Henry Parnell Visualització completa - 1837 |
A Treatise on Roads: Wherein the Principles on which Roads Should be Made ... Sir Henry Parnell Visualització completa - 1838 |
A Treatise on Roads: Wherein the Principles on which Roads Should be Made ... Sir Henry Parnell Visualització completa - 1833 |
Frases i termes més freqüents
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
Passatges populars
Pàgina 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?