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 52.
Pàgina 43
... draught is 2. On a broken stone surface , or old flint road 3. On a gravel road · · · - · · 33 lbs . 65 · 147 · 46 4. On a broken stone road , upon a rough pavement foundation · 5. On a broken stone surface , upon a bottoming of ...
... draught is 2. On a broken stone surface , or old flint road 3. On a gravel road · · · - · · 33 lbs . 65 · 147 · 46 4. On a broken stone road , upon a rough pavement foundation · 5. On a broken stone surface , upon a bottoming of ...
Pàgina 67
... draught , and considerably check the forward motion of a carriage . The mathematical illustration of the effect of collision in producing this resistance is given in note B. 2d . Friction has very great influence in checking the motion ...
... draught , and considerably check the forward motion of a carriage . The mathematical illustration of the effect of collision in producing this resistance is given in note B. 2d . Friction has very great influence in checking the motion ...
Pàgina 73
... draughts of carriages ? — I am quite certain of its being perfectly correct , for we have tried it in some cases , and compared it with a weight hanging over a pully , and the results were the same . It is only in cer- It has been ...
... draughts of carriages ? — I am quite certain of its being perfectly correct , for we have tried it in some cases , and compared it with a weight hanging over a pully , and the results were the same . It is only in cer- It has been ...
Pàgina 74
... draught on setting the body in motion , or when it is in motion ? -Both . " Then it would appear that your former calculations , as to different effects of different roads on the draughts of carriages , are correct ? Yes , quite correct ...
... draught on setting the body in motion , or when it is in motion ? -Both . " Then it would appear that your former calculations , as to different effects of different roads on the draughts of carriages , are correct ? Yes , quite correct ...
Pàgina 79
... draught of a car- riage be much greater on a road which has a very soft foundation than on one which is of a rocky foundation ? —I think the difference would be very little indeed , because the yield of a good road on a soft foundation ...
... draught of a car- riage be much greater on a road which has a very soft foundation than on one which is of a rocky foundation ? —I think the difference would be very little indeed , because the yield of a good road on a soft foundation ...
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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?