 | Sir Henry Parnell - Roads - 1833 - 474 pages
...drain to carry off any water that may pass through the surface of the road. The component stones of the pavement, having broader bases to stand upon than...pressed into the earth below, particularly where the soil is soft. The expense of setting this pavement is less than one fourth of that of breaking an equal... | |
 | Luke Hebert - Industrial arts - 1836 - 942 pages
...under-draiu to carry off any water that may pass through the surface of the road. The component stones of the pavement having broader bases to stand upon than those that are broken small, are not so liable tobe pressed into the earth below, particularly where the soil is soft. The expense of setting thiä... | |
 | Sir Henry Parnell - 1838 - 512 pages
...drain to carry off any water that may pass through the surface of the road. The component stones of the pavement, having broader bases to stand upon than...pressed into the earth below, particularly where the soil is soft. The expense of setting this pavement is less than one fourth of that of breaking an equal... | |
 | Roads - Bridges - 1839 - 360 pages
...underdrain to carry off any water that may pass through the surface of the road. The component stones of the pavement, having broader bases to stand upon than...pressed into the earth below, particularly where the soil is soft. The expense of setting this pavement is less than one-fourth of that of breaking an equal... | |
 | United States. Bureau of Foreign Commerce - Roads - 1891 - 620 pages
...noderdrain to carry off any water that may pass through the surface of the road. The component stones of the pavement having broader bases to stand upon than those...pressed into the earth below, particularly where the soil is soft. Notwithstanding the foregoing apparently plausible reasons in favor of Mr. Telford's... | |
 | United States. Bureau of Foreign Commerce - Roads - 1891 - 624 pages
...underdrain to carry off any water that may pass through the surface of the road. The component stones of the pavement having broader bases to stand upon than those...small, are not so liable to be pressed into the earth bulow, particularly where the soil is soft. Notwithstanding the foregoing apparently plausible reasons... | |
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Whenever the natural soil is clay, or retentive of water, the pavement acts as an under drain to carry off any water that may pass through the surface of the road. The component stones of the pavement, having broader bases to stand upon than those that... 