No (257)
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Residual ancient landscape segments in Carpathians of Moravian-Slovak borderland
Kolejka, Jaromír; Nováková, Eva; Kirchner, Karel
2020 - English
The Moravian Carpathians border region is a large area located in the east of the Czech Republic. Historically, most of the time it was a peripheral border area between the Czech state and Hungary. The well-preserved segments of pre-industrial landscape were inventoried here. They have such arrangement of land use, which originated in the period before the main wave of the industrial revolution in the Czech lands (i.e. before 1850), and has been preserved until present. A total of 182 segments of pre-industrial landscape were identified. Spatial analysis of their location in the area shows that the highest concentration of segments is near the international border (50% up to 10 km from the border), in dissected highland relief (52%), but often in the foothills between 300-500 meters above sea level (51%). Due to their location and appearance, they can represent interesting geotourist objects in the border area.
Keywords:
pre-industrial landscape; Moravian Carpathians; geotourist objects
Available on request at various institutes of the ASCR
Residual ancient landscape segments in Carpathians of Moravian-Slovak borderland
The Moravian Carpathians border region is a large area located in the east of the Czech Republic. Historically, most of the time it was a peripheral border area between the Czech state and Hungary. ...
Mathematical modelling and computational methods in applied sciences and engineering - Modelling 2019
Blaheta, Radim; Starý, Jiří; Sysala, Stanislav
2019 - English
Modelling 2019 is an international conference on Mathematical Modelling and Computational Methods in Applied Sciences and Engineering held in\nOlomouc, Czech Republic, in September 16 - 20, 2019. It aims to be a forum for an exchange of ideas, insights and experiences in different areas\nof mathematical modelling. It includes the fundamental formulation and analysis of mathematical models, the development of numerical methods and exploitation of capabilities of the contemporary high-performance computers or applications of mathematical modelling.\nThis conference belongs to a series of conferences previously held in Roznov in 2014 and 2009, in Pilsen in 2005 and 2001, and in Prague in 1998 and 1994. During the period of 25 years, the focus of the conference has been substantially enlarged. Besides the topics aiming at the development\nof numerical methods and analysis of mathematical models described by the partial differential equations, the conference relates to the inverse\nproblems, quantification of uncertainties in the input data, machine learning and exploitation of high-performance computing systems of petaflops and pre-exaflops performance. Increased attention is devoted to challenging industrial problems and collaboration with industry.
Keywords:
modelling; inverse problems; numerical methods; partial differential equations
Available at various institutes of the ASCR
Mathematical modelling and computational methods in applied sciences and engineering - Modelling 2019
Modelling 2019 is an international conference on Mathematical Modelling and Computational Methods in Applied Sciences and Engineering held in\nOlomouc, Czech Republic, in September 16 - 20, 2019. It ...
Adsorption of pharmaceuticals from aqueous solutions onto clay minerals
Vallová, S.; Sokolová, B.; Valovičová, Věra; Plevová, Eva
2019 - English
The objective of this work was to investigate to possibility of clay minerals for the removal of drugs from aqueous solutions. Natural minerals such as montmorillonite, vermiculite, kaolinite and modified montmorillonites KSF and K10 (intercalated by Fe3+) were used as potential sorbents for three analgetics: paracetamol, ibuprofen and diclofenac from aqueous solutions. This research demonstrated that adsorption of all three pharmaceuticals onto natural untreated clay minerals, except paracetamol sorption on Na-MMT, is negligible. On the other hand, the chemically modified montmorillonites demonstrated significant sorption ability in the order diclofenac>ibuprofen>paracetamol.
Keywords:
adsorption; clay minerals; montmorillonite; paracetamol; ibuprofen; diclofenac
Available at various institutes of the ASCR
Adsorption of pharmaceuticals from aqueous solutions onto clay minerals
The objective of this work was to investigate to possibility of clay minerals for the removal of drugs from aqueous solutions. Natural minerals such as montmorillonite, vermiculite, kaolinite and ...
37th Czech - Polish - Slovak Symposium on Mining and Environmental Geophysics and 28th Conference OVA´19 - New Knowledge and Measurements in Seismology, Engineering Geophysics and Geotechnical Engineering.
Kaláb, Zdeněk; Lednická, Markéta
2019 - English
Main topics of event were: Environmental and mining geophysics, Natural, induced and technical seismicity, Deep geological repository,\nOther geophysical, geotechnical and related research. Participants represent both scientific institution and also commercial companies with \ngeophysical and geotechnical scopes.
Keywords:
engineering geophysics; geotechnical engineering; seismology
Available at various institutes of the ASCR
37th Czech - Polish - Slovak Symposium on Mining and Environmental Geophysics and 28th Conference OVA´19 - New Knowledge and Measurements in Seismology, Engineering Geophysics and Geotechnical Engineering.
Main topics of event were: Environmental and mining geophysics, Natural, induced and technical seismicity, Deep geological repository,\nOther geophysical, geotechnical and related research. ...
Possibilities of using 3D laser scanning in geotechnical practise
Kukutsch, Radovan; Kajzar, Vlastimil; Šňupárek, Richard; Waclawik, Petr
2019 - English
We are experiencing the penetration of modern and smart technologies in all sectors of human activity, including mining and geotechnics. One of these technologies is 3D laser scanning, which has seen significant technological advancements over the last decade and has become an integral part of underground construction monitoring as a tool to enable comprehensive, accurate and unbiased capture of the spatial situation in digital form. This development was behind the fact that since 2013, 3D laser scanner has been used by the Institute of Geonics of the Czech Academy of Sciences as a necessary part of the geotechnical monitoring of mine works, when it is possible to precisely detect and quantify the time-space changes caused by man's intervention in the rock mass compared to the traditional established measuring methods. A leading project of recent years was the monitoring of the strain stress state of the rock massif during the 30th seam extraction during the trial operation of the Room and Pillar extraction method in the CSM Mine shaft safety pillar where, besides many other measuring instruments, 3D laser scanning was used for the convergence measuring of roadways, especially for capturing any deformation changes on the permanent pillars. A complementary function was the comparative evaluation with the results of other tools, e.g. with data measured by horizontal extensometers. The subject of the article will be a general description of the possibilities of using 3D laser scanning in geotechnical practice on spatial data acquired during the monitoring lasting almost 3.5 years, when important phenomena were detected in the movement of the pillar walls and the floor heave in the CSM Mine in the tens of cm, sometimes up to 100 cm.
Keywords:
3D laser scanning; room and pillar; roadways deformation
Available at various institutes of the ASCR
Possibilities of using 3D laser scanning in geotechnical practise
We are experiencing the penetration of modern and smart technologies in all sectors of human activity, including mining and geotechnics. One of these technologies is 3D laser scanning, which has seen ...
Effects of abrasives during accelerated simulation of mechanical corrosion of cement composites using abrasive water flow
Hlaváček, Petr; Sitek, Libor; Klichová, Dagmar; Bodnárová, L.
2019 - English
The paper deals with the use of the abrasive water flow technology in an accelerated simulation of the process of mechanical degradation of surface layers of cement-based composites by flowing liquids. Effects of the abrasive particle size and the mass flow rate of abrasives in an abrasive water flow impacting on the surface of concrete samples have been studied. In addition, suitability of the application of the abrasive water flow for the simulation of real situation of the surface wear by flowing liquids has been evaluated.
Keywords:
cement-based composite; erosion; abrasion; cavitation; high-speed water flow; abrasive material
Available at various institutes of the ASCR
Effects of abrasives during accelerated simulation of mechanical corrosion of cement composites using abrasive water flow
The paper deals with the use of the abrasive water flow technology in an accelerated simulation of the process of mechanical degradation of surface layers of cement-based composites by flowing ...
Structural mapping of exploration boreholes walls within first phase - Safety boreholes for Boxcut
Waclawik, Petr; Souček, Kamil; Vavro, Martin; Kukutsch, Radovan; Ram, S.
2018 - English
Structural-geological analysis, i.e. core fracturing assessment within the boxcut safety\nborehole was carried out on the basis of optical televiewer record evaluation. In general,\noptical televiewer (OPTV) probe provides a continuous, unwrapped, high-resolution digital\n360° image of the borehole-walls oriented towards the cardinal points. This technique\nprovides information about the strike, dip direction, dip angle and depth of foliation, bedding\nplanes and fractures, as well as the frequency, aperture and infillings of fractures. Information\nabout spatial characteristics of structural elements is one of its indisputable advantages and\nallows for subsequent statistical evaluations.\nThe structural mapping of boreholes of Boxcut safety boreholes were carried out within the\ncontract of IG CAS (Contract No. D/18/156/00) GEOMET, s.r.o. (as a customer, contract No.\n01/2018). The aim of the contractual research was the realisation and interpretation of the\nfractures by digital logging of boreholes walls.
Keywords:
boreholes; structural mapping; rock quality
Available at various institutes of the ASCR
Structural mapping of exploration boreholes walls within first phase - Safety boreholes for Boxcut
Structural-geological analysis, i.e. core fracturing assessment within the boxcut safety\nborehole was carried out on the basis of optical televiewer record evaluation. In general,\noptical televiewer ...
Cultural heritage and geodiversity of landforms in the landscape of the Archdiocese of Olomouc
Kirchner, Karel; Kuda, František; Kubalíková, Lucie; Havlíček, M.; Machar, I.; Pechanec, V.
2018 - English
Within the framework of the NAKI II project – Cultural heritage of landscape of the Archdiocese of Olomouc - research, presentation and management (DGB 16P02B014), we focus on the results that will contribute to the sustainable development of regional cultural identity through applied cultural heritage research in the cultural landscape of the area of interest. As part of the material cultural heritage, we include the landforms that originated from the conscious activity of man - the anthropogenic relief forms. These landforms complement the geodiversity of the landscape and are referred to as secondary geodiversity. Therefore, their identification and interpretation will make it possible to complement and enhance the diversity of cultural heritage and to specify the development of the cultural landscape. The first results from the area of Central Moravia will be presented with the using of the historical maps, the digital model of the relief DMR5G and the field research.
Keywords:
cultural heritage; secondary geodiversity; Archdiocese of Olomouc
Available at various institutes of the ASCR
Cultural heritage and geodiversity of landforms in the landscape of the Archdiocese of Olomouc
Within the framework of the NAKI II project – Cultural heritage of landscape of the Archdiocese of Olomouc - research, presentation and management (DGB 16P02B014), we focus on the results that will ...
The pre-industrial landscape as a cultural heritage: Malá Haná
Kolejka, Jaromír
2018 - English
The parts of the territory with a preserved secondary (economic) landscape structure, originated around the middle of the 19th century, may be considered as existing segments of the pre-industrial landscape. Such territory has retained a similar character of plot distribution and land use of that time. These segments have been pre-identified in the contemporary cultural landscape according to the recent colour orthophotomap. The existence of that cultural heritage has been confirmed or excluded by comparison with the maps of the 2nd military survey and indicating sketches of the cadastral survey from the 1st half of the 19th century. The records were systematically carried out according to the cadastral units of the so-called working regions of Moravia. The segments of the pre-industrial landscape identified in laboratory research then underwent a field research, followed by the determination of their properties and the assessment of the state and the threats.
Keywords:
survey; inventory; Czech Republic
Available at various institutes of the ASCR
The pre-industrial landscape as a cultural heritage: Malá Haná
The parts of the territory with a preserved secondary (economic) landscape structure, originated around the middle of the 19th century, may be considered as existing segments of the pre-industrial ...
Influence of hydrodynamic nozzle wear on erosion effect of self-excited pulsating water jet
Klich, Jiří; Říha, Zdeněk; Foldyna, Vladimír
2017 - English
The article deals with the study of the wear of the hydrodynamic nozzle and its\ninfluence on the generation of a self-excited pulsating water jet (SPWJ). The nozzle\nwas monitored for the ability of the waterjet to erode the surface of the aluminum\nalloy EN AW 6060 at regular intervals.
Keywords:
hydrodynamic nozzle; waterjet; erosion
Available on request at various institutes of the ASCR
Influence of hydrodynamic nozzle wear on erosion effect of self-excited pulsating water jet
The article deals with the study of the wear of the hydrodynamic nozzle and its\ninfluence on the generation of a self-excited pulsating water jet (SPWJ). The nozzle\nwas monitored for the ability of ...
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