Deutsches Institut fur Normung e. V.

Geotechnical investigation and testing - Field testing - Part 7: Borehole jack test (ISO 22476-7:2012)
 N EN ISO 22476-7

Annotation

This part of ISO 22476 specifies the equipment requirements, execution of and reporting on borehole jack tests.

NOTE This part of ISO 22476 fulfils the requirements for borehole jack tests as part of geotechnical investigation and testing according to EN 1997-1 [1] and EN 1997-2 [2].

This part of ISO 22476 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 so as to obtain a stress-displacement relationship of the ground for the range of the expected design stress.

This part of ISO 22476 applies to test depths of 100 m and to testing either on land or off-shore.

Автоматический перевод:

Геотехническое расследование и проверяющий - Полевое испытание - Часть 7: тест гнезда Буровой скважины (22476-7:2012 ISO)

Эта часть ISO 22476 определяет требования оборудования, выполнение и сообщающий относительно тестов гнезда буровой скважины.