... ABSTRACT The shearing behaviour of both steel rebar and hollow strand cable bolt across joints and shear planes in concrete blocks is examined experimentally. The steel rebars (bolts) were tested in 20, 40, 50 and 100MPa concrete blocks, subjected to different pretension loads of 0, 5, 10, 20...

...) concrete blocks on an artificial soil slope with two block sizes and three slopes, and (2) concrete blocks bonded to the concrete base with different contact area. The LDV measurements agreed with conventional seismometer measurements. The dominant frequency of the blocks varied with the stability...

... sensor concrete block URL prototype stress relief Validation of borehole slotting as a method for in situ stress measurements, . ) Beurteilung des Bohrlochschlitzverfahrens zur Messung von Gebirgsspannungen Validation de la technique du 'Borehole Siotter' com me methode de mesure des contraintes...

... Krasnojarskaja, Sajano-Schuschenskaja und Sejskaja-Wasserkraftwerke angeführt. Diese Ergebnisse zeugen von den Möglichkeiten zur Ermittlung der sichereren Festigkeitseigenschaften der Felsmassiven und ihres Kontaktes mit Betonbauwerken. rock mass concrete block rock block strength property foundation...

... of anomalous zones on the left slope, and other questions were solved in the total seismic exploration. The description of these explorations is beyond the scope of this contribution. seismic module gallery wall loading test moduli amphibolite microseismic measurement gneiss concrete block...

... by shearing tests both in-situ ~d, In laboratory. Namely, shearing tests in-Situ were carried out on a concrete block placed on a slate while tests in laboratory Were carried out on the model with artifi- cial bedding planes. A series of test results taught us that the values in mechanical characteristics...