Ads
related to: french trench drainageassistantking.com has been visited by 10K+ users in the past month
Search results
Results from the WOW.Com Content Network
A French drain [1] (also known by other names including trench drain, blind drain, [1] rubble drain, [1] and rock drain [1]) is a trench filled with gravel or rock, or both, with or without a perforated pipe that redirects surface water and groundwater away from an area.
A percolation trench is similar to a dry well, which is typically an excavated hole filled with gravel. [3] Another similar drainage structure is a French drain, which directs water away from a building foundation, but is usually not designed to protect water quality.
Trench drains are commonly confused with French drains, which consist of a perforated pipe that is buried in a gravel bed, and which are used to evacuate ground water. A slot drain , also wrongly associated with a trench drain, consists of a drainage pipe with a thin neck (or slot) that opens at the ground surface with sufficient opening to ...
Subsurface drains, on the other hand, are designed to manage water that seeps into the soil beneath the planting surface. French drains, which are gravel-filled trenches with perforated pipes at the bottom, are the most common type of subsurface drain. Trench drains, which are similar but shallower and wider, are also used in some situations. [4]
Henry Flagg French was born in Chester, Rockingham County, New Hampshire, on August 14, 1813, to the Honorable Daniel French (1769–1840), who was attorney general of New Hampshire [2] and Sarah Wingate Flagg Bell French (1782–1878). He died November 29, 1885, in Middlesex County, Concord, Massachusetts.
French drains are usually trenches filled from bottom to trench surface with porous material like rock: not with soil. I have a fairly good volume of text about French drains on the page Drainage Info - some concepts may be convenient for explanation in this article.Mdvaden 04:43, 25 August 2007 (UTC)
Ads
related to: french trench drainageassistantking.com has been visited by 10K+ users in the past month