A Practical Treatise on Roads, Streets, and PavementsVan Nostrand, 1876 - 258 pages |
From inside the book
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Page 10
... usually supplied by maps or , in the absence of trustworthy maps , having secured that information by an instrumental examination , the topo- graphical and other characteristic features of the ground should be carefully studied by ...
... usually supplied by maps or , in the absence of trustworthy maps , having secured that information by an instrumental examination , the topo- graphical and other characteristic features of the ground should be carefully studied by ...
Page 16
... usually be found to be most conducive to the convenience of the general pub- lic to run the line through all the principal communities , in preference to the plan of communicating with the intermedi- ate places by branch roads , which ...
... usually be found to be most conducive to the convenience of the general pub- lic to run the line through all the principal communities , in preference to the plan of communicating with the intermedi- ate places by branch roads , which ...
Page 25
... usually ex- pressed in the form of a vulgar fraction , having 1 for the numerator , and the horizontal distance corresponding to a rise of one foot for the denominator . In practice the steepest grades that can be allowed upon ...
... usually ex- pressed in the form of a vulgar fraction , having 1 for the numerator , and the horizontal distance corresponding to a rise of one foot for the denominator . In practice the steepest grades that can be allowed upon ...
Page 36
... usually assumed , in each case , to be the length of the right line joining the centre of grav- ity of the solid of excavation and that of embankment . The least possible lead is essential from considerations of econ- omy , and this is ...
... usually assumed , in each case , to be the length of the right line joining the centre of grav- ity of the solid of excavation and that of embankment . The least possible lead is essential from considerations of econ- omy , and this is ...
Page 47
... usually formed half in excavation , and half in embankment , allowance being made for the shrinkage of the latter . To guard against slides , the natural surface should be prepared to receive the embankment , by cutting it into benches ...
... usually formed half in excavation , and half in embankment , allowance being made for the shrinkage of the latter . To guard against slides , the natural surface should be prepared to receive the embankment , by cutting it into benches ...
Other editions - View all
PRAC TREATISE ON ROADS STREETS Quincy Adams 1825-1888 Gillmore,Making of America Project No preview available - 2016 |
Common terms and phrases
angle angle of repose asphalt asphalt pavement asphaltic cement asphaltum Basalt bituminous bottom bricks broken stone Broken stone road carriage catchwater drains centre cents clean Cloth coal tar cobble stones compacted constructed cost cross drains cubic yards depth drainage dust earth edge embankment Engineer Equivalent length excavated feet filled Force required grade gravel hard heavy horizontal horses Illustrated inches inches in thickness inches thick inclination iron joints kind laid length of level less level road lime load longitudinal Macadam Macadamized road maintenance mastic material method miles MILES PER HOUR mixture mortar necessary ordinary paved pavement placed Portland cement pounds practical Railroad rails railways rammer ramming repairs road bed road covering road surface road-covering roadway rock roller Rosendale rubble ruts Seyssel side ditches side gutters slope soil square stringers suitable tion tons top layer traffic transverse Val de Travers vehicles wagon wear wheels width wood
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Page 97 - All the irregularities of the upper part of the said pavement; are to be broken off by the hammer, and all the interslices to be filled with stone chips firmly wedged or packed by hand with a light hammer, so that when the whole pavement is finished there shall be a convexity of 4 inches in the breadth of 15 feet from the center.
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