Road Making and Maintenance: A Practical Treatise for Engineers, Surveyors, and OthersC. Griffin, Limited, 1900 - 440 Seiten |
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Seite 12
... cent ground , so as to give every facility for the water to escape from the bottom as well as from the surface of the road . The size of metal adopted * Report of the Select Committee on the Highways of the Kingdom , 1819 , p . 22 . by ...
... cent ground , so as to give every facility for the water to escape from the bottom as well as from the surface of the road . The size of metal adopted * Report of the Select Committee on the Highways of the Kingdom , 1819 , p . 22 . by ...
Seite 34
... cent . incline , or 1 in 33 , and for pavements a 2 per cent . gradient , or 1 in 50. The gradient of 1 in 30 adopted by Telford is such that , in ascending it , a horse can easily put forth the force necessary over and above the pull ...
... cent . incline , or 1 in 33 , and for pavements a 2 per cent . gradient , or 1 in 50. The gradient of 1 in 30 adopted by Telford is such that , in ascending it , a horse can easily put forth the force necessary over and above the pull ...
Seite 36
... cent . 13. The Acts relating to the weights allowed for wheels with tires of different width having been repealed , County Authorities were empowered to make by - laws , under the Highways and Locomotives Act of 1878 , for regulating ...
... cent . 13. The Acts relating to the weights allowed for wheels with tires of different width having been repealed , County Authorities were empowered to make by - laws , under the Highways and Locomotives Act of 1878 , for regulating ...
Seite 37
... cent . more tonnage can be carried over a road in good order , on wheels having tires 4 inches wide , than can be done on wheels with tires 2 inches wide ; the wear or damage resulting to the surface of the road being about the same in ...
... cent . more tonnage can be carried over a road in good order , on wheels having tires 4 inches wide , than can be done on wheels with tires 2 inches wide ; the wear or damage resulting to the surface of the road being about the same in ...
Seite 38
... cent . of actual width of wheel , Traction Engine , with a bearing - surface of 25 per cent . of actual width of wheel , Traction - Engine weighing 9 tons in steam , two - thirds of weight on driving - wheels , and bearing equally ...
... cent . of actual width of wheel , Traction Engine , with a bearing - surface of 25 per cent . of actual width of wheel , Traction - Engine weighing 9 tons in steam , two - thirds of weight on driving - wheels , and bearing equally ...
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Häufige Begriffe und Wortgruppen
adopted amount applied arch arrangement asphalte Aveling & Porter average basalt blasting gelatine blasting machine blocks bore-hole breaking machine broken carriageway carried carts cement cent charge Clee Hill coat of metalling concrete connection considerable consolidated construction cost counties cubic yard cutting cwts depth detonators diameter direction distance districts drains drill-bit dynamite economical effect embankment employed engine expenditure explosive feet fixed foundation gradients granite gravel hard haulage Hirnant holes horses inches iron jaws labour laid manual labour means method mile nature necessary obtained operations patching pavement paving placed portion position quarry reduced repairs road metal road surface roadway rock drill roller rolling sand scarifying screen shaft shot-holes shown in fig side sledging spread square yard steam road-rollers stone-breaking machine stones sufficient suitable syenite tamping thickness tons traction varying vehicles wear weather weight wheel traffic width wires wood
Beliebte Passagen
Seite 42 - CONTENTS. — Resolution and Composition of Forces — Work done by Machines and Living Agents— The Mechanical Powers : The Lever ; Derricks as Bent Levers — The Wheel and Axle : Windlass ; Ship's Capstan ; Crab Winch— Tackles : the "Old Man"— The Inclined Plane; the Screw— The Centre of Gravity of a Ship and Cargo — Relative Strength of Rope : Steel Wire, Manilla, Hemp, Coir — Derricks and Shears — Calculation of the Cross-breaking Strain of Fir Spar — Centre of Effort of Sails...
Seite 33 - TRAVERSE TABLES: Computed to Four Places of Decimals for every Minute of Angle up to 100 of Distance. For the Use of Surveyors and Engineers. BY RICHARD LLOYD GURDEN, Authorised Surveyor for the Governments of New South Wales and Victoria. ".* Published with the Concurrence of the Surveyors- General for New South Wales and Victoria. " Those who have experience in exact SURVEY-WORK will best know how to appreciate the enormous amount of labour represented by this valuable book.
Seite 72 - Public Analyst for the County of Devon, and Medical Officer of Health for St. Marylebone. AND M. WYNTER BLYTH, BA, B.Sc., FCS GENERAL CONTENTS. — History of Adulteration. — Legislation. — Apparatus. —
Seite 38 - is INVALUABLE. The NAVAL ARCHITECT will find brought togetner and ready to his hand, a mass of information which he would otherwise have to seek in an almost endless variety of publications, and some of which he would possibly not be able to obtain at all elsewhere."— Steamship.
Seite 59 - Professor of Mining and Director of the Otago University School of Mines ; late Director Thames School of Mines, and Geological Surveyor and Mining Geologist to the Government or New Zealand GENERAL CONTENTS.
Seite 73 - By C. AINSWORTH MITCHELL, BA, FIC, Mem. Council Soc. of Public Analysts. With numerous Illustrations and a coloured Plate.
Seite 44 - The little book will be found EXCEEDINGLY HANDY by most officers and officials connected with shipping. . . . Mr. Walton's work will obtain LASTING SUCCESS, because of its unique fitness for those for whom it has been written." — Shipping World. " An EXCELLENT WORK, full of solid instruction and INVALUABLE to every officer of the Mercantile Marine who has his profession at heart."— Shipping.
Seite 70 - THIRD EDITION, Revised, Enlarged, and Re-issued. Price 6s. net. A SHORT MANUAL OF INORGANIC CHEMISTRY. BY A. DUPRE, Ph.D.,- FRS, AND WILSON HAKE, Ph.D., FIO, FCS, Of the Westminster Hospital Medical School.
Seite 82 - A MANUAL OF DYEING; fOR THE USE OF PRACTICAL DYERS, MANUFACTURERS, STUDENTS, AND ALL INTERESTED IN THE ART OF DYEING. BY E.
Seite 82 - Properties, and Applications of the various substances described, and concise directions for their Commercial Valuation, and for the Detection of Adulterants. BY CHRISTOPHER RAWSON, FIC, FCS, Consulting Chemist to the Behar Indigo Planters' Association ; Co-Author of " A Manual of Dyeing ;