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Vetiver has done its job! 14 years later stable slopes, clean road drains, and now mainly native species

The Shear Strength of Vetiver

Monday, October 8, 2012

Paul Truong, who is currently visiting the US sent us this note from Alabama.

 The owner of a restaurant in Dadphne, near Mobile, Alabama,planted vetiver to reinforce the foundation of his restaurant behind the steel plated retaining wall.From the size of the plants, this was planted about 7-8 years ago. The Vetiver planting not only held his restaurant up, it prevented the foundation sliding down the slope. Results: while the steel plates in front of the Vetiver planting remained straight, the plates on slope without V bent at least 5-8┬║. (the unaffected retaining wall is behind the black pole.

This is a good example of how vetiver improves the shear strength of soil.


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