 The thickness of such road is immaterial, as to its strength for carrying weight ; this object is already obtained by providing a dry surface, over which the road is to be placed as a covering, or roof, to preserve it in that state : experience having...  An Elementary Course of Civil Engineering - Page 83by Joseph Mathieu Sganzin - 1837 - 232 pagesFull view - About this book
 | 1820 - 534 pages
...of such road is immaterial, as to its strength for carrying weight ; this object is already obtained by providing a dry surface, over which the road is...roof, to preserve it in that state : experience having shewn, that if water passes through a road, and fills the native soil, the road, whatever may be its... | |
 | William Newton, Charles Frederick Partington - Industrial arts - 1820 - 538 pages
...of such road is immaterial, as to its strength for carrying weight ; this object is already obtained by providing a dry surface, over which the road is...roof, to preserve it in that state : experience having shewn, that if water passes through a road, and fills the native soil, the road, whatever may be its... | |
 | John Loudon M'Adam - Macadam roads - 1821 - 222 pages
...of such road is immaterial, as to its strength for carrying weight ; this object is already obtained by providing a dry surface, over which the road is...roof, to preserve it in that state : experience having shewn, that if water passes through a road, and fill the native soil, the road, whatever may be its... | |
 | James Paterson (road surveyor.) - Roads - 1822 - 96 pages
...such a road is immaterial, as to its strength for carrying weight; this object is already obtained by providing a dry surface, over which the road is...roof, to preserve it in that state; experience having shewn, that if water passes through a road, and .fill the native soil, the road, whatever may be its... | |
 | John Loudon McAdam - Roads - 1833 - 52 pages
...of such road is immaterial, as to its strength for carrying weight ; this object is already obtained by providing a dry surface, over which the road is...if water passes through a road, and fill the native soilr the road, whatever may be its thickness, loses its support and goes to pieces." " What depth... | |
 | Railroad engineering - 1833 - 430 pages
...their ample funds to obtain good mate. Africa, long lines of such Railways, composed of ready obtained by providing a dry surface, over -=-•-«--•«•...•• '— ' "-- • which the road is to be placed as aeovering,or roof, to preserve it in that state : experience having •hewn, that if water passes through... | |
 | Simeon DeWitt Bloodgood - Highway law - 1838 - 252 pages
...of such road is immaterial, as to its strength for carrying weight ; this object is already obtained by providing a dry surface, over which the road is...having shown, that if water passes through a road, and fills the native soil, the road, whatever may be its thickness, loses its supportj and goes to pieces.... | |
 | John Loudon McAdam - Macadam roads - 1863 - 100 pages
...of such road is immaterial, as to its strength for carrying weight; this object is already obtained by providing a dry surface, over which the road is...roof, to preserve it in that state : experience having shewn, that if water passes through a road, and fill the native soil, the road, whatever may be its... | |
 | Pennsylvania - 1833 - 438 pages
...thickness of a road is immaterial as to its strength for carrying weight. This object is already obtained by providing a dry surface over which the road is...having shown that if water passes through a road, and fills the native soil, the road, whatever may be its thickness, loses its support, and falls to pieces.... | |
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