Structural control and types of movements of rock mass in anisotropic rocks: Case studies in the Polish Flysch Carpathians

Geomorphology ◽  
2006 ◽  
Vol 77 (1-2) ◽  
pp. 47-68 ◽  
Author(s):  
Włodzimierz Margielewski
Keyword(s):  
Rock Mass ◽  
Case Studies ◽  
Structural Control ◽  
Flysch Carpathians ◽  
Anisotropic Rocks

Structural control of dithiazolyl radicals: Case studies on 3′- and 4′-cyano-benzo-1,3,2-dithiazolyl, NCC6H3S2N

2007 ◽  
Vol 692 (13) ◽  
pp. 2750-2760 ◽  
Author(s):  
Antonio Alberola ◽  
Jonathan Burley ◽  
Rebecca J. Collis ◽  
Robert J. Less ◽  
Jeremy M. Rawson
Keyword(s):  
Case Studies ◽  
Structural Control

Implementation of Structural Control with Viscous Damper

2011 ◽  
Vol 94-96 ◽  
pp. 771-781 ◽  
Author(s):  
Deh Shiu Hsu ◽  
Yung Feng Lee ◽  
Ping Cheng Huang ◽  
Yu Ching Wu
Keyword(s):  
Dynamic Analysis ◽  
Case Studies ◽  
Software Package ◽  
Structural Control ◽  
Time History ◽  
Nonlinear Behavior ◽  
Viscous Damper ◽  
Key Points ◽  
Highly Nonlinear ◽  
Behavior Systems

For the sake of safety of structures subjected to abnormal loadings, damper could be one of the effective devices to reduce the responses by the energy dispassion functions. Key points in the process of development and application of damper and aseismatic engineering are narrated. Due to the highly nonlinear behavior properties, most of the case studies aim on these kind of dynamic analysis only working on structures with elastic linearly behavior systems. In addition to the nonlinearly behavior of damper devices, structures behave into nonlinearly as well when subjected by abnormal excitation, for instance, severe earthquakes. Materials respond into nonlinearly beyond yielding or plastic hinges occurred somewhere in the controlled structures. Proper software package is used to calculate the responses of simple portal frames which are controlled with dampers allocated. Both of structures and damper devices are considered and behaved according to its nonlinearly properties. Responses beyond yielding of material are rationally analyzed and revealed in time history expressions.

GPR application to the structural control of historical buildings: two case studies in Rome, Italy

2010 ◽  
Vol 8 (5) ◽  
pp. 407-413 ◽  
Author(s):  
P.M. Barone ◽  
A. Di Matteo ◽  
F. Graziano ◽  
E. Mattei ◽  
E. Pettinelli
Keyword(s):  
Case Studies ◽  
Structural Control ◽  
Historical Buildings

scholarly journals The engineering geological behaviour of disturbed and weatherd gneiss in slopes. The case of the "vertical axis" of Egnatia motorway, Komotini - Nymfea, Northern Greece.

2013 ◽  
Vol 47 (4) ◽  
pp. 1749
Author(s):  
V. Marinos ◽  
A. Goricki
Keyword(s):  
Rock Mass ◽  
Case Studies ◽  
Back Analysis ◽  
Vertical Axis ◽  
Shear Zones ◽  
Slope Instability ◽  
Rock Masses ◽  
Northern Greece ◽  
Tectonic Disturbance ◽  
Laboratory Test Results

Sound gneiss forms evidently very competent rock masses with minor problems in geotechnical works. However, poor rock masses and problematic behaviour can be encountered in engineering projects in a geological environment characterized by intensive and sequent tectonic disturbance, where, weathering may be strongly favoured. Case studies with slope instability problems are analysed from the Egnatia Motorway along the vertical axis from Komotini to Nymfea, in Northern Greece. The basic engineering geological consideration focuses on the weathering degree, the tectonic disturbance, the foliated structure and the presence of shear zones. In the paper the gneissic rock masses are categorized in a number of specific rock mass types according to key engineering geological characteristics that define the rock mass behaviour in slopes. Subsequently, the slope behaviour of each rock mass type is discussed. The geotechnical properties of such failure surfaces are very difficult to be estimated due to the heterogeneous nature of these planes and back analysis is the best method to obtain reliable parameters. Back analysis results from two case studies showed significant differences to the laboratory test results. Finally, the concepts of the appropriate support measures based on the mechanism of failure of two case studies are presented in the paper.

scholarly journals Newly Emerging Geosites in the Polish Western Outer Carpathians as an Asset for Geoeducation and Geotourism

Geoheritage ◽  
2019 ◽  
Vol 11 (4) ◽  
pp. 1247-1256 ◽  
Author(s):  
Wiktor Głowacki
Keyword(s):  
Case Studies ◽  
Social Contexts ◽  
Local Communities ◽  
Nature Protection ◽  
Geological Structures ◽  
Fluvial Erosion ◽  
Fourth Case ◽  
Flysch Carpathians ◽  
Outer Carpathians ◽  
River Valleys

AbstractThis study focuses on Flysch Carpathian river valleys recently reshaped by the fluvial erosion. Geological structures of these mountains are rather monotonous. However, numerous floods that occurred in recent decades and the abrasion of banks of water reservoirs have made many parts of valleys particularly interesting not only for geologists but also for tourists and for local people as a pleasant place for recreation. New outcrops of flysch sediments appear in different spatial and social contexts. On the basis fieldwork observations in years 2009–2018, four case studies of the newly emerging geosites in the Polish Flysch Carpathians are presented. In one case, few people seem to notice the new geosite. In two other cases, local communities have taken initiatives to use the newly emerging geosites for education. The fourth case is the walking path at the foothill of a rocky hill with the reconstructed medieval castle at the top. The owner of the castle arranged this path as an additional commercial attraction for visitors of the castle. The author analyses also possibilities of the formal protection of the newly emerging geosites within the existing Polish nature protection system. Finally lessons that can be learnt from these activities for other Carpathian communities are presented.

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