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 88
... horizontal , even should there be thin layers of marl between the beds of stone , as in Plate II . fig . 8. , the slopes will stand at a quarter to one . But it will be necessary , if the beds of marl exceed twelve inches in thickness ...
... horizontal , even should there be thin layers of marl between the beds of stone , as in Plate II . fig . 8. , the slopes will stand at a quarter to one . But it will be necessary , if the beds of marl exceed twelve inches in thickness ...
Página 90
... horizontal to one perpen- dicular , neatly dressed and covered with green sod at least four inches thick , evenly laid , and closely jointed . " The slopes of the cuttings on the southern sides are to be three horizontal to one perpendi ...
... horizontal to one perpen- dicular , neatly dressed and covered with green sod at least four inches thick , evenly laid , and closely jointed . " The slopes of the cuttings on the southern sides are to be three horizontal to one perpendi ...
Página 91
... horizontal to one perpendicular : the embankment is to be secured by cutting the slope of the hill below the line of road into level steps to receive the earth , and the road materials are not to be laid on the embankment until the ...
... horizontal to one perpendicular : the embankment is to be secured by cutting the slope of the hill below the line of road into level steps to receive the earth , and the road materials are not to be laid on the embankment until the ...
Página 111
... two inches deep , one inch and a half apart , and one inch wide , set in proper frames . " -See Appendix , No. III . on Tramways . well - made pavement , quite horizontal , it appears * H 8 DIFFERENT MODES OF CONSTRUCTION . 111.
... two inches deep , one inch and a half apart , and one inch wide , set in proper frames . " -See Appendix , No. III . on Tramways . well - made pavement , quite horizontal , it appears * H 8 DIFFERENT MODES OF CONSTRUCTION . 111.
Página 112
... horizontal , it appears , from the experiments made with Mr. Macneill's machine , that the resistance to draught is not more than the 100th part of the weight of the carriage and its load , when the carriage is properly con- structed ...
... horizontal , it appears , from the experiments made with Mr. Macneill's machine , that the resistance to draught is not more than the 100th part of the weight of the carriage and its load , when the carriage is properly con- structed ...
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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