Transcription of BUILD RIGHT RETAINING WALLS
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BUILD RIGHT RETAINING WALLS
BUILD RIGHT . RETAINING WALLS . Even low RETAINING WALLS can be exposed to large forces from water, the earth behind them and nearby cars or buildings. They need to be well designed and built to prevent failure. By Alide Elkink, Freelance Technical Writer, Wellington A. RETAINING wall is built to hold back a a combination, or using a proprietary, pre- with the tensile and compressive strengths of bank of earth where there is a change cast concrete block system (see Figures 2 the construction material used (see Figures 4. of grade. There are different types of and 3). Proprietary systems either consist of and 5). RETAINING WALLS , and not all require interlocking blocks or require the hollow section Wide-footing cantilever RETAINING WALLS may a building consent.
BUILD 120 October/November 2010 25 RETAINING WALLS Even low retaining walls can be exposed to large forces from water, the earth behind them and nearby cars or buildings.
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