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 sider |
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Resultater 1-5 af 20
Side 95
... mortar ; they should be eighteen inches high , and twelve inches apart . Particular care must be taken that the covering stones have a bearing of at least four inches on the side walls . They should have a layer of brushwood put over ...
... mortar ; they should be eighteen inches high , and twelve inches apart . Particular care must be taken that the covering stones have a bearing of at least four inches on the side walls . They should have a layer of brushwood put over ...
Side 119
... mortar must also be provided ; and , besides the common tools , each pavior should have a wooden maul , the head of which should be made of beech or elm , and should weigh about fourteen pounds . The stones should be selected so that ...
... mortar must also be provided ; and , besides the common tools , each pavior should have a wooden maul , the head of which should be made of beech or elm , and should weigh about fourteen pounds . The stones should be selected so that ...
Side 120
... mortar with a very close joint upon a strong gravel bed of six inches in depth . The flagstones should be at least two inches and a half thick : the surface of the foot pavements should have a declivity at the rate of one inch in ten ...
... mortar with a very close joint upon a strong gravel bed of six inches in depth . The flagstones should be at least two inches and a half thick : the surface of the foot pavements should have a declivity at the rate of one inch in ten ...
Side 122
... mortar . Paved streets have been objected to on account of the noise made by carriages passing over them . The noise chiefly arises from the boxes of the wheels striking the arms of the axletrees ; and , therefore , when a paved street ...
... mortar . Paved streets have been objected to on account of the noise made by carriages passing over them . The noise chiefly arises from the boxes of the wheels striking the arms of the axletrees ; and , therefore , when a paved street ...
Side 179
... mortar com- posed of one part of good well - burned lime , and two parts of clean sharp sand , to be well mixed and incorporated together . " The inverted arches are to be of sound lime- stone , set on edge without mortar . " The timber ...
... mortar com- posed of one part of good well - burned lime , and two parts of clean sharp sand , to be well mixed and incorporated together . " The inverted arches are to be of sound lime- stone , set on edge without mortar . " The timber ...
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Almindelige termer og sætninger
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
Populære passager
Side 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?