Gliwice, Katedra Geomechaniki i Budownictwa Podziemnego i Zarządzania Ochroną Powierzchni Wydziaáu Górnictwa i Geologii Politechniki ĝląskiej w.  KORZENIOWSKI W., Ocena stanu podziemnych wyrobisk chodnikowych i Geomechanika w budownictwie podziemnym: projektowanie i budowa tuneli. Metody ograniczenia wpływu eksploatacji podziemnej na obiekty budowlane poprzez Geomechanika w budownictwie podziemnym: projektowanie i budowa.
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Akademicka 2 Gliwice tel.: Effect of the intermediate principal stress on the failure of a foliated anisotropic rock. User Account Sign in to save searches and organize your favorite content.
Waldemar Korzeniowski walkor podxiemnym. Pintabona and Smithson M. A new true triaxial celi for testing mechanical properties of rock, and its use to determine rock strength and deformability of Westerly granite. Using samples of a certain sandstone, the effect of not only confining pressure but also, independently, minimum and interrnediate principal stress was determined. Results of recent experimental studies on the strength of rocks under axisymmetric and asymmetric true triaxial state of compressive stresses are presented geomechanlka the paper.
The basic type of rock mass reinforcement method for both preparatory and operational workings in underground metal ore mines, both in Poland and in different countries across the world, is the expansion shell or adhesive-bonded rock bolt.
Effect of the intermediate principal stress on strength and deformational behavior of sedimentary rocks at the depth shallower than m. Effect of the triaxial stress system on fracture and flow of rocks. The stiffness of the yielded and stiff bolts was empirically determined, including stiffness parameters of every individual part deformable component, steel rod.
Issue 1 First Online: Strength of rock under triaxial compression conditions.
Cała, Marek [WorldCat Identities]
Rock Mechanics Symposium and 5th U. Doctoral Thesis, Hokkaido University, Sapporo De Gruyter – Sciendo. Faulting in an anisotropic, schistose rock under general triaxial compression. Sign in to annotate. The disk spring and disk washer material differs in stiffness.
The article discusses results gepmechanika static loading test of the expansion shell rock bolts equipped with originally developed deformable component. A case study in southern Italy, Bulletin of Earthquake Engineering,9 4 Metoda badania w temperaturze otoczenia, There were two phases of displacement observed during the static tension of the rock bolt which differed in their intensity.
Faulting of a foliated rock in a general triaxial field of compressive stresses. Springer-Yerlag, Berlin and Heidelberg Ahead Of Print Volume: The construction materials ensure that at first the springs under loading are partially compressed, and then the rock bolt washer is plastically deformed. The relationships between the geometric parameters and specific strains or displacements of the bolt rod were described, and the percentage contribution of those values in total displacements, resulting from the deformation of rock bolt support components washer, thread heomechanika the expansion shell head displacements, were estimated.
The study presents the results obtained under laboratory conditions in the test rig allowing testing of the rock bolts at their natural size, as used in underground metal ore mines.
Rossmanith, Balkema, Rotterdam Effect of the triaxial stress system on the failure of dolomite and limestone. In “Rock at Great Depth”, edited by V.
Fracture and flow of rocks under high triaxial compression. Fracture and flow of rocks. Empirical Rock Failure Criteria.
Zasady doboru i projektowania obudowy wyrobisk korytarzowych i ich połączeń – Google Books
The rock bolt was loaded statically until its ultimate loading capacity was exceeded. In “Tectonophysics of Mining Areas”, edited by A. Behavior of a sandstone under axi- and asymmetric compressive stress conditions. Fracture of anisotropic rocks under geomechaniika triaxial compression.
This component consists of two profiled rock bolt washers, two disk springs, and three guide bars. The rock bolts tested were installed in blocks simulating a rock mass with rock compressive strength of 80 MPa. Dilatancy of rocks under general triaxial stress states with special reference to earthquake precursors. Empirical data were approximated using the Huber-Mises-Hencky failure criterion generalised by Mogi for brittle rocks.
Rockbolting and Rock Mechanics in Mining, Aachen, Abstract PDF References Geomechqnika Recommendations Abstract The basic type of rock mass reinforcement method for both preparatory and operational workings in underground metal ore mines, both in Poland and in different countries across the world, is the expansion shell or adhesive-bonded rock bolt.