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Subsoil investigation - Coggle Diagram
Subsoil investigation
site surveys
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subsoil classification
It could only give the bearing capacity of soils with depth up to two times the diameter of plate. It may not provide information on the potential for long term consolidation of foundation soils.
The bearing capacity of your soil will help you determine if you need a shallow foundation or deep foundation. Soil strength directly under the footing, where loads are concentrated, is crucial to foundation performance.
chemical analysis
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speed accuracy they reliably identify elements and compounds sensitivity they can detect very small amounts of a substance in a small amount of sample
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desktops surveys
historical maps
types of contimnation by identifying the industrial process that used to take place on the site. Also provides first information about the past of the site.
maps with no scale give a poor idea of distances and maps with no legend are frequently confusing to the use
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Historians use historical maps for several purposes: As tools for reconstructing the past, to the extent that maps provide records of features, landscape, cities, and places that may not exist any more or that exist in dramatically transformed form. As records of certain historical processes and relationships.
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