The Use of the Direct Optimized Probabilistic Calculation Method in Design of Bolt Reinforcement for Underground and Mining Workings

Author:

Krejsa Martin1,Janas Petr1,Yilmaz Işık2,Marschalko Marian3,Bouchal Tomas4

Affiliation:

1. Department of Structural Mechanics, Faculty of Civil Engineering, VŠB-Technical University of Ostrava, 17 Listopadu 15, 708 33 Ostrava, Czech Republic

2. Department of Geological Engineering, Faculty of Engineering, Cumhuriyet University, 58140 Sivas, Turkey

3. Faculty of Mining and Geology, Institute of Geological Engineering, VŠB-Technical University of Ostrava, 17 Listopadu 15, 708 33 Ostrava, Czech Republic

4. Department of Environmental Engineering, Faculty of Mining and Geology, VŠB-Technical University of Ostrava, 17 listopadu 15, 708 33 Ostrava, Czech Republic

Abstract

The load-carrying system of each construction should fulfill several conditions which represent reliable criteria in the assessment procedure. It is the theory of structural reliability which determines probability of keeping required properties of constructions. Using this theory, it is possible to apply probabilistic computations based on the probability theory and mathematic statistics. Development of those methods has become more and more popular; it is used, in particular, in designs of load-carrying structures with the required level or reliability when at least some input variables in the design are random. The objective of this paper is to indicate the current scope which might be covered by the new method—Direct Optimized Probabilistic Calculation (DOProC) in assessments of reliability of load-carrying structures.DOProCuses a purely numerical approach without any simulation techniques. This provides more accurate solutions to probabilistic tasks, and, in some cases, such approach results in considerably faster completion of computations.DOProCcan be used to solve efficiently a number of probabilistic computations. A very good sphere of application forDOProCis the assessment of the bolt reinforcement in the underground and mining workings. For the purposes above, a special software application—“Anchor”—has been developed.

Funder

Grant Agency of the Czech Republic

Publisher

Hindawi Limited

Subject

General Environmental Science,General Biochemistry, Genetics and Molecular Biology,General Medicine

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