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Construction for Landscape Architecture by Jamie Liversedge, Robert Holden

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Bearing capacity of soil

A geotechnical soil survey is required for sites on which any significant loadbearing structures are to be built. These surveys are based on boreholes and core samples of the ground material. Additionally, check the history of the site to see if there are any quarry workings or underground structures which have been buried and inadequately filled or capped. It is useful to inspect old survey-mapping of the area. Chalk and limestone areas may have sinkholes or natural voids in the chalk. Clay pits may have been loosely filled in. Mining areas have shafts and workings which may not be immediately evident on the ground, so field and core surveys in such areas can be supplemented by other geotechnical techniques, such as ...

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