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Fiche 1,  Justifications,  Anglais

Record number: 1, Textual support number: 1 CONT

Trees on development sites can be damaged by : 1. Asphyxiation of roots(stopping roots breathe) ;-Ground compaction(especially by vehicles, spoil and storage of materials) ;-Raising ground levels inappropriately;-Changing the surface(eg. turf to tarmac) ;-Changing site drainage(especially waterlogging).  2, fiche 1, Anglais, - root%20asphyxiation

Record number: 1, Textual support number: 2 CONT

The water logging conditions will further affect growth and wherever possible growers should take steps to drain water away from their fields. This measure, if accompanied with bright sunshine and high temperatures in the coming days, will alleviate considerably the adverse effects of water logging which can lead not only to reduced growth but also to root asphyxiation and ultimately death of stools.  1, fiche 1, Anglais, - root%20asphyxiation

Record number: 1, Textual support number: 1 OBS

Not to be confused with "wet feet" which is defined in the Internet. [<a href="http://www.goodfruit.com/archive/Oct_97/special3.html" title="http://www.goodfruit.com/archive/Oct_97/special3.html">http://www.goodfruit.com/archive/Oct_97/special3.html</a>] as "a term used to describe a tree that has difficulty growing in wet soil."  3, fiche 1, Anglais, - root%20asphyxiation

Fiche 1,  Justifications,  Français

Record number: 1, Textual support number: 1 CONT

Saturation du sol et asphyxie des racines. Quand les couches superficielles du sol, voire même les horizons du sol d'une profondeur pouvant aller jusqu'à un mètre, sont saturées, les racines sont soumises à des conditions asphyxiantes en raison de la très faible diffusivité de l'oxygène dissous dans l'eau.  1, fiche 1, Français, - asphyxie%20des%20racines

Fiche 1,  Justifications,  Espagnol

Fiche 2,  Justifications,  Anglais

Record number: 2, Textual support number: 1 DEF

A trade name for a geotechnical process for compacting clean sands and gravel. The vibrations are produced by a cylinder... which is lowered into the ground. The vibrations are combined with water jets at both ends of the cylinder to achieve a high degree of compaction.  1, fiche 2, Anglais, - Vibroflotation

Record number: 2, Textual support number: 1 CONT

Vibroflotation involves the use of a vibrating probe that can penetrate granular soil to depths of over 100 feet. The vibrations of the probe cause the grain structure to collapse thereby densifying the soil surrounding the probe. To treat an area of potentially liquefiable soil, the vibroflot is raised and lowered in a grid pattern. Vibro Replacement (right, HB) is a combination of vibroflotation with a gravel backfill resulting in stone columns, which not only increases the amount of densification, but provides a degree of reinforcement and a potentially effective means of drainage.  2, fiche 2, Anglais, - Vibroflotation

Fiche 2,  Justifications,  Français

Record number: 2, Textual support number: 1 DEF

Technique d'amélioration d'un sol pulvérulent dans sa masse; elle consiste à introduire verticalement dans le sol un générateur de vibrations entretenues qui provoquent la liquéfaction du sol, suivie d'un réarrangement des grains correspondant à une plus grande compacité.  4, fiche 2, Français, - vibroflottation

Fiche 2,  Justifications,  Espagnol

Fiche 3,  Justifications,  Anglais

Record number: 3, Textual support number: 1 CONT

Sand drains, or piles, are used for compaction, stabilization, and draining of compressible material... They actually are cylindrical piles of sand in the ground... They act as wicks for water squeezed from the soil, thus accelerating settlement of the poor material by allowing pore water to drain. Holes for the sand may be drilled with an auger or driven with a pile, which is retracted.  1, fiche 3, Anglais, - sand%20drain

Record number: 3, Textual support number: 1 OBS

Terms often found in plural.  4, fiche 3, Anglais, - sand%20drain

Fiche 3,  Justifications,  Français

Record number: 3, Textual support number: 1 DEF

Pieu constitué de sable, destiné à accélérer la consolidation d'un sol de faible perméabilité en favorisant son drainage dans le sens vertical.  1, fiche 3, Français, - pieu%20de%20sable

Fiche 3,  Justifications,  Espagnol