 | 1832 - 522 pàgines
...on a solid foundation, are little affecied by changes of atnio(iliri'c; but weak roads, or such as are imperfectly formed with gravel, flint, or round pebbles, without a bottoming of stone, pavement, or concrete, arc much affected. On the generality of roads, the proportional injury... | |
 | 1832 - 890 pàgines
...placed on a soHtl foundation, are very little affected by atmospheric changes; weak roads, or those that are imperfectly formed with gravel, flint, or round...become bound, or firm, a considerable portion of the sub soil mixes with the stone or gravel in consequence of the necessity of putting the gravel on in... | |
 | Great Britain. Parliament. House of Commons. Select Committee on Steam Carriages - 1832 - 352 pàgines
...on a solid foundation, are very little affected by changes of atmosphere-; weak roads, or those that are imperfectly formed with gravel, flint, or round...stone pavement or concrete, are, on the contrary, much afBreadth of Description of carriage. Velocity in milea per hour. Weight, on an average, in tons. Breadth... | |
 | United States. Congress. House - 1832 - 834 pàgines
...on a solid foundation, are very little affected by changes of atmosphere; weak roads, or those that are imperfectly formed with gravel, flint, or round...stone pavement or concrete, are, on the contrary, much af• Bread Ih of Description of carriage. Velocity in miles per hour. Weight, on an average, in tona.... | |
 | 1832 - 504 pàgines
...placed on a solid foundation, are little affected by changes of atmopliere ; but weak roads, or such as are imperfectly formed with gravel, flint, or round pebbles, without a bottoming of stone, pavement, or concrete, are much affected. On the generality of roads, the proportional injury... | |
 | Olinthus Gregory - 1834 - 484 pàgines
...placed on a solid foundation, are little affected by changes of atmosphere; but weak roads, or such as are imperfectly formed with gravel, flint, or round pebbles, without a bottoming of stone, pavement, or concrete, are much affected. On the generality of roads, the proportional injury... | |
 | 1844 - 776 pàgines
...on a solid foundation, are very little affected by atmospheric changes. Weak roads, on the contrary, or those which are imperfectly formed with gravel,...bottoming, or foundation of stone pavement or concrete, are much affected by changes of weather. In the formation of such roads, and before they become bound or... | |
 | 1844 - 772 pàgines
...foundation, arc very little affected by atmospheric changes. Weak roads, on the contrary, or those which arc imperfectly formed with gravel, flint, or round pebbles,...bottoming, or foundation of stone pavement or concrete, are much affected by changes of weather. In the formation of such roads, and before they become bound or... | |
 | Luke Hebert - 1846 - 944 pàgines
...on a solid foundation, are very little affected by change! of atmosphere ; weak roads, or those that are imperfectly formed with gravel, flint, or round...are, on the contrary, much affected by changes of the wealhtr. In the formation of such roads, and before they become bound or firm, a considerable portion... | |
 | Frederick Walter Simms - 1856 - 258 pàgines
...very little affected by changes of atmosphere ; weak roads, or those that are imperfectly formed of gravel, flint, or round pebbles, without a bottoming...of the necessity of putting the gravel on in thin layars : this mixture of earth or clay, in dry warm seasons, expands by the heat, and makes the road... | |
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... weather. In the formation of such roads, and before they become bound or firm, a considerable portion of the subsoil mixes with the stone or gravel, in consequence of... 
