Geotechnical investigation and testing. Field testing - Borehole jack test not-for-sale responsible for the procurement or

responsible for the procurement or development of software which processes information about learners

5 Sampling

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Geotechnical investigation and testing. Field testing - Borehole jack test not-for-sale responsible for the procurement orBS EN ISO 22476 7: 2012 specifies the equipment requirements, execution of and reporting on borehole jack tests. BS EN ISO 22476 7: 2012 specifies the procedure for conducting a borehole jack test in ground stiff enough not to be adversely affected by the drilling operation. Two diametral cylindrical steel loading plates are placed in the ground and opened by pressure. Pressure applied to, and associated opening of the probe are measured and recorded