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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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.
There were two phases of displacement observed during the static tension of the rock bolt which differed in their intensity. 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.
Fracture and flow of rocks. Rockbolting and Rock Mechanics in Mining, Aachen, Effect of the intermediate principal stress on strength and deformational behavior of sedimentary rocks at the depth shallower than m.
Akademicka 2 Gliwice tel.: De Gruyter – Sciendo. Faulting of a foliated rock in a general triaxial field of compressive stresses. Dilatancy of rocks under general triaxial stress states with special reference to earthquake precursors. Metoda badania w temperaturze otoczenia, 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.
Springer-Yerlag, Berlin and Heidelberg Sign in to annotate. Strength of rock under triaxial compression conditions.
Zasady doboru i projektowania obudowy wyrobisk korytarzowych i ich połączeń – Google Books
The disk spring and disk washer material differs in stiffness. Effect of the intermediate principal stress on the failure of a foliated anisotropic rock. Faulting in an anisotropic, schistose rock under general triaxial compression. The construction materials ensure that at first the springs under loading are partially compressed, and budownictwi the rock bolt washer is plastically deformed.
Waldemar Korzeniowski walkor agh.
Rossmanith, Balkema, Rotterdam Rock Mechanics Symposium and 5th U. Fracture and flow of budownictwif under high triaxial compression. Pintabona and Smithson M.
Empirical data were approximated using the Huber-Mises-Hencky failure criterion generalised by Mogi for brittle rocks. In “Rock at Great Depth”, edited by V. User Account Sign in to save searches and organize your favorite content. 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 and the expansion shell head displacements, were estimated.
Issue 1 First Online: The rock bolts tested were installed in blocks simulating a rock mass with rock compressive strength of 80 MPa.
Effect of the triaxial stress system on the failure of dolomite and limestone. Abstract PDF References Article 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. This component consists of two profiled rock bolt washers, two disk springs, and three guide bars.
The stiffness of the yielded and stiff bolts was empirically determined, including stiffness parameters of every individual part deformable component, steel rod. A case study in southern Italy, Bulletin of Earthquake Engineering,9 4 Results of recent experimental studies on the strength of rocks under axisymmetric and asymmetric true triaxial state of compressive stresses are presented in the paper. Ahead Of Print Volume: Empirical Rock Failure Criteria.
Effect of the triaxial stress system on fracture and flow of rocks. In “Tectonophysics of Mining Areas”, edited by A. The article discusses results of static loading test of pidziemnym expansion shell rock bolts equipped with originally developed deformable component.
Doctoral Thesis, Hokkaido University, Sapporo Fracture of anisotropic rocks under general triaxial compression.