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Rock strength

Knowledge about rock strength is of key importance for taking decisions in developing deposits and reservoirs. Only based on rock strength data quarrying, tunneling and drilling progress can be planned and executed. However, the properties of rocks cannot be predicted from log data alone or based on literature. We consider an experimental determination of the relevant parameters indispensable for this purpose.

We carry out all kinds of deformation tests from simple Brazilian and unconfined compressive tests via triaxial compressive tests to more complicated triaxial extension tests and even purely elastic compressibility tests. By this measure we achieve the most important rock strength parameters: unconfined compressive strength, cohesion, coefficient of (internal) friction, Young’s modulus, Poisson’s ratio, bulk modulus, Biot coefficient and many other important moduli. Since we combine deformation experiments with ultrasonic measurements of P- and S-waves we provide both, static and dynamic moduli.

Moreover, you can expect the successful execution of customised and complex test sequences from us. We develop the concept and methodology for solving your special questions - up to device development for special measurement engineering tasks.

 

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News

Lust auf Veränderung? Projektleiter Geotechnik gesucht!

Das Gesteinslabor sucht einen Projektleiter Geotechnik (m/w/d). Wenn Sie einen Abschluss in Geowissenschaften oder Geotechnik haben und sich eine vielseitige Tätigkeit in einem renommierten Labor vorstellen können...

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Gesteinslabor takes mentorship in Imperial Barrel Award

For the first time in its company history Gesteinslabor takes part as mentor in the Imperial Barrel Award (IBA) - the famous AAPG competition which allows students worldwide to make real life experiences in oil field exploration.

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Gesteinslabor does numerous strength tests for NAGRA

In September Gesteinslabor was awarded by NAGRA with UCS, Brazilian and triaxial tests on neighbouring rocks of the Opalinus Clay - the rock which will host Switzerland's future facilities for nuclear waste disposal. The testing program commenced in November.

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