Trial pitting is the cheapest method of shallow soil exploration can be
carried out by a variety of methods from
hand-dug pits to machine excavated trenches.
pits are especially useful in variable man-made soils for environmental
Trial pitting is generally carried out to a maximum depth of 2 to 5m with
standard excavation plant and, dependent on soil conditions is generally
suitable for most low-rise developments.
Trial pit investigations are supervised by experienced engineers with
a thorough understanding of geology and soil mechanics.
testing in trial pits can include:-
In-situ strength testing.
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