The wheeled sampling and profiling rigs are primarily used for
dynamic probing, an application where a continuous density profile of
the soil is obtained. However these rigs can also be used for soil
sampling where the fixed cone is replaced by sampling tubes.
These rigs are very maneuverable and can access almost any location
including up and down flights of stairs, through doorways and up and
down slopes. The rig is light enough to be carried over obstacles should
the need arise. In order to maintain the maneuverability of the
equipment all of the associated tools such as the jacking system are
hand portable.
These rigs are most often used in site investigations around domestic
dwellings, close to railway lines and in areas of limited
headroom(2.40m).
Southern Ground Testing operate a wheeled rig configured to Super Heavy
Dynamic Probe (Standard Penetration Test), which again can access
difficult areas such as stairs. The wheeled rigs are normally driven by
petrol powered engines.
However Southern Ground Testing have a rig which is electric powered.
This is rig is used in situations where exhaust fumes are undesirable
such as in a basement or in a controlled environment.
The wheeled rigs can install gas and groundwater monitoring wells of
up to 35mm diameter and have been used to install drive-in piezometers
in dense gravels.
