scholarly journals Mw 6.4 Petrinja earthquake in Croatia: Main earthquake parameters, impact on buildings and recommendation for their structural strengthening

2021 ◽  
Vol 73 (11) ◽  
pp. 1109-1128
Keyword(s):  
Rock Mass ◽  
Strain State ◽  
Optimal Structure ◽  
Complex Mechanism ◽  
Stress Strain ◽  
Tectonic Plate ◽  
Earthquake Parameters ◽  
Stress Strain State ◽  
New Buildings ◽  
Catastrophic Damage

Strong Mw 6.4 Petrinja earthquake from 29.12.2020. took 7 lives and caused catastrophic damage in the Banovina area. The paper presents and analyses the most important earthquake parameters and highlights their importance in understanding the damage and demolition of buildings, as well as creating an optimal structure for their reconstruction. A contribution is made to the understanding of the complex mechanism of earthquake formation through the analysis of the stress-strain state in a rock mass during tectonic plate conflict. The causes of demolition and damage to buildings are explained by the combination of the properties of their structure, soil and the earthquake itself. Solutions for optimal structure of new buildings, as well as solutions for structural renovation of damaged buildings are proposed and described.

scholarly journals Research into stress-strain state of the rock mass condition in the process of the operation of double-unit longwalls

2020 ◽  
Vol 14 (2) ◽  
pp. 85-94
Author(s):  
Roman Dychkovskyi ◽  
Iaroslav Shavarskyi ◽  
Pavlo Saik ◽  
Vasyl Lozynskyi ◽  
Volodymyr Falshtynskyi ◽  
...  
Keyword(s):  
Rock Mass ◽  
Strain State ◽  
Stress Strain ◽  
Stress Strain State ◽  
Rock Mass Condition

Experience of CAE Fidesys application in numerical geomechanical modelling of Zhdanovskoe deposit

2022 ◽  
pp. 94-98
Author(s):  
L.K. Miroshnikova ◽  
A.Yu. Mezentsev ◽  
G.A. Kadyralieva ◽  
M.A. Perepelkin
Keyword(s):  
Rock Mass ◽  
Large Scale ◽  
Strain State ◽  
Raw Material ◽  
Mining Method ◽  
Stress Strain ◽  
Stress Strain State ◽  
Ore Bodies ◽  
Sublevel Caving ◽  
Murmansk Region

The Zhdanovskoe copper-nickel sulfide ores deposit is located in the north-west of the Murmansk region and is a mineral raw material source for JSC «Kola MMC». The main mining method used is sublevel caving. In some areas, due to the complex shape of the ore bodies, the open stoping mining method is used which requires determining stable parameters of stopes and pillars. It is necessary to study the stress-strain state of the deposit to ensure safe mining conditions. One of the possible solutions is the modeling of the stress-strain state of rock mass using the finite element method, for example, CAE Fidesys, which is FEMbased software. The use of CAE Fidesys for solving geomechanics tasks allows creating models of individual excavation units to determine the stability of stopes and pillars, and large-scale models that include several ore bodies and areas of the host rock mass. The article considers solutions of both types of geomechanic tasks using CAE Fidesys for conditions of the Zhdanovskoe deposit.

Stress-strain state of rock mass in mining the Internatsional'naya diamond bed

1993 ◽  
Vol 29 (1) ◽  
pp. 21-26
Author(s):  
K. V. Pirlya ◽  
L. N. Gakhova ◽  
N. P. Kramskov
Keyword(s):  
Rock Mass ◽  
Strain State ◽  
Stress Strain ◽  
Stress Strain State
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