Geotechnical Mapping

Geotechnical mapping as an investigation tool.

The purpose of a geotechnical investigation is to understand the nature of the ground conditions at a project development site that are relevant to the proposed scheme.

One of the primary and fundamental components of this investigation process is geological mapping. This is an exercise that fundamentally involves the identification of landforms and geomorphological processes, coupled with the collection of geological, structural and rock mass data from exposures that may include pit faces, road cuttings or natural outcrops.

The purpose of geological mapping is to develop an understanding of the site specific geological conditions including potential geo-hazards, provide a preliminary assessment of the likely reaction of the soil and rock to the proposed structures, and to facilitate optimum design of the foundations, pavements and earthworks required for the proposed construction.

At CMW, geological mapping is carried out by an experienced Engineering Geologist who is familiar with conditions in the project area. A mapping programme is typically supported by a review and assessment of historical information, aerial photography and shallow in-situ testing while incorporating specialist GIS/CAD mapping and logging software packages such as Hole Base, Civil CAD and ArcMap to generate accurate and relevant engineering geological maps. The information is compiled into digital formats that are compatible with our clients’ needs, to form the basis of a ground model that can be readily updated with new data as the project advances through to the final design and construction phase.

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