Earth Retention & Noise Absorption Using Evergreen Planted Walls

by Felix P. Jaecklin, Geotech Consult, Ennetbaden, Switzerland,
Santo Dovi, Geotech Consult, Ennetbaden, Switzerland,



Document Type: Proceeding Paper

Part of: Rebuilding America: Infrastructure Rehabilitation

Abstract:

There is a new concept in wall design used for retaining walls, free standing noise absorbing walls and rock revetments. The Evergreen System is comprised of large prefabricated concrete crib type modular elements incorporating an earth filled gravity wall concept. The unique feature is that these elements are specifically designed to be planted with vegetation that would eventually cover up all of the bare concrete. Less than 50% of the face of the wall is concrete, giving ample root space for vegetation. The noise absorbing qualities of Evergreen are very impressive. Density of growth, element design and earth fill cause traffic or industrial noises to be reduced very substantially.

Subject Headings: Retaining structures | Vegetation | Concrete | Noise pollution | Modular structures | Highway and road design | Concrete construction

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