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Search Results: 1 - 10 of 523 matches for " Bojan Majes "
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The comparisson of material properties of debris flows from Sto e, Slano blato
Bojan Majes,Ana Petkov?ek,Janko Logar
Geologija , 2002,
Abstract: The three large landslides that occured in Slovenia in past few years and threaten the population and infrastructure were relatively well investigated geologically and geomechanically.One of common characteristics of all three landslides is the occurence of fast debris flows. One part of laboratory investigations was therefore focused into the study of materials that under given circumstances transform into debris flow. In addition to standard geomechanical investigations their behaviour was tested also in rheometer.In the paper the results of all laboratory tests are compared for the mentioned threelandslides. The results of rheometer tests showed a consistency between test results andmaterial behaviour on site for two tested materials.
Motion of rock masses on slope
Ur?ka Petje,Matja? Miko?,Bojan Majes
Geologija , 2006,
Abstract: This paper shows the different ways of how rock masses (stones, rocks, and blocks) move along slopes and for each different way of motion (free fall, bouncing, rolling, sliding, slowing down, lubrication, fluidization)adequatedynamicequationsaregiven.Knowingthe kinematics and dynamics of travelling rock masses is necessary for mathematical modeling of motion and by this an assessment of maximal possible rockfall runout distances as an example of a sudden and hazardeous natural phenomenon, threatening man and his property, especially in the natural environment.
A contribution to the better understanding of swelling in soils and soft rocks
Ana Petkov?ek,Matej Ma?ek,Bojan Majes
Geologija , 2010,
Abstract: Swelling and shrinkage of sediments rich with clay belong to geologically conditioned risk factors. Economicloss as the consequence of volume changes in the geological catchment area of buildings and infrastructuralobjects is immense. Untimely detected swelling causes higher prices and unnecessary delays during the construction.In those cases when deep cuts and underground spaces are used as intervention into highly preconsolidatedsoils and soft rock with clay contents, failures of embankments and improperly designed supporting measures dueto swelling are not infrequent. Also periodic appearance of landslides at certain areas can be the consequence ofswelling. Some countries, such as the USA, introduced the guidelines and standards for the detection, assessmentand handling with swellable geological materials decades ago. Due to some other more urgent geologically conditionedrisks, such as landslides, earthquakes and constructions on soft ground, in Slovenia the development ofknowledge in the area of swelling soils was several years behind the knowledge in the rest of the world. With theconstruction of the Slovenian-Hungarian railway connection after 1998, motorways and the introduction of newknowledge about soil suction, also Slovenian experts were introduced to a different dimension of the problem ofswelling soils, as well as some important experiences were learned and new possibilities for the investigation andunderstanding of volume behaviour of swelling soils were opened. This is especially important for the predictedweather extremes, as only adequate knowledge will allow us to adequately explain any new phenomena in theground and prepare appropriate protection.
Differences in Demographic Characteristics of Potential Acquirers of Real Estate Rights: Cases from Slovenia and Japan  [PDF]
Bojan Grum
Current Urban Studies (CUS) , 2014, DOI: 10.4236/cus.2014.22011
Abstract:

The aim of the study was to explore the role of demographic characteristics of potential acquirers of real estate rights. We were interested in whether the participants according to different origins of cultures and the basic demographic characteristics reflect a statistically significant difference. Results show that the participants who enter the Japanese real estate market are mainly male participants, who are single and have no children, and show a tendency to live in the city centre. Participants of both sexes enter the Slovene property market equally. On average they are married, childless and with a tendency to live at the outskirts of the city or inside agglomeration. Slovene participants expressed significantly higher satisfaction with the current residential status, which we relate to the findings that apartment owners compared to tenants express higher satisfaction with their living environment and are socially more active in their living environment.

A Conceptual Framework for the Forklift-to-Grid (F2G) Implementation  [PDF]
Matjaz Knez, Bojan Rosi
Smart Grid and Renewable Energy (SGRE) , 2013, DOI: 10.4236/sgre.2013.46052
Abstract: This paper focuses on presenting the current research findings on the “Vehicle to Grid” concept and proposes theoretical model of F2G integration in energy management of a warehouse. The study is based on an analysis of collected data and on model calculations of the economic value. Analyses of data, calculations of economic value and profitability of the proposed business model give positive results, which fully confirm the thesis that the integration of renewable energy sources and new modern technologies in the logistic processes can improve energy management.
Numerical simulation of debris flows triggered from the Strug rock fall source area, W Slovenia
M. Miko?,R. Fazarinc,B. Majes,R. Rajar
Natural Hazards and Earth System Sciences (NHESS) & Discussions (NHESSD) , 2006,
Abstract: The Strug landslide was triggered in December 2001 as a rockslide, followed by a rock fall. In 2002, about 20 debris flows were registered in the Kosec village; they were initiated in the Strug rock fall source area. They all flowed through the aligned Brusnik channel, which had been finished just before the first debris flow reached the village in April 2002. Debris flow events were rainfall-induced but also governed by the availability of rock fall debris in its zone of accumulation. After 2002 there was not enough material available for further debris flows to reach the village. Nevertheless, a decision was reached to use mathematical modeling to prepare a hazard map for the village for possible new debris flows. Using the hydrological data of the Brusnik watershed and the rheological characteristics of the debris material, 5 different scenarios were defined with the debris flow volumes from 1000 m3 to a maximum of 25 000 m3. Two mathematical models were used, a one-dimensional model DEBRIF-1D, and a two-dimensional commercially available model FLO-2D. Due to the lack of other field data, data extracted from available professional films of debris flows in 2002 in the Kosec village were used for model calibration. The computational reach was put together from an 800-m long upstream reach and 380-m long regulated reach of the Brusnik channel through the village of Kosec. Both mathematical models have proved that the aligned Brusnik channel can convey debris flows of the volume up to 15 000 m3. Under the most extreme scenario a debris flow with 25 000 m3 would locally spill over the existing levees along the regulated Brusnik channel. For this reason, additional river engineering measures have been proposed, such as the raising of the levees and the construction of a right-hand side sedimentation area for debris flows at the downstream end of the regulated reach.
ajkanovi 's road from ancient Greek and folk literature to Serbian religion and mythology
Jovanovi? Bojan
Glasnik Etnografskog Instituta SANU , 2008, DOI: 10.2298/gei0801037j
Abstract: After a careful examination of the works of ajkanovi , the author points out to the importance of his comparative method in studying Ancient Greek literature, traditional folk creation and folk religion and mythology. Based on traces and parallels from other traditions, ajkanovi tried to reveal the forgotten meanings of the Serbian folk myth and religious practice. With this same approach, he attempted to reconstruct the whole system of an ancient Serbian religion and mythology, and to establish an identity of the Serbian supreme God. However, a critical review of this reconstruction shows its inaccuracy and scientific dismissal.
Managing HIV/HCV - related risk at private places among Belgrade injecting drug users
?iki? Bojan
Glasnik Etnografskog Instituta SANU , 2006, DOI: 10.2298/gei0654189z
Abstract: Some of the results acquired by qualitative research conducted among Belgrade injecting drug users are presented: primary aim of the research was to establish relation between HIV/HCV prevalence and socio-cultural aspects of HIV/HCV vulnerability in population issued. Understanding the way of how HIV/HCV-related risk is managed among these people in their day-to-day injecting routines is crucial tool in operating social epidemiological prevention programs. Vital part of this understanding concerns the physical risk environments, i.e., places where injection occurs. The distinctive feature of Belgrade study among the similar ones is that this happens frequently at various private places, which is depicted and discussed.
Injecting drug users' utilization of public space in Belgrade: Places, risk-management, and habitual life
?iki? Bojan
Glasnik Etnografskog Instituta SANU , 2007, DOI: 10.2298/gei0701103z
Abstract: Results from the case-study in Belgrade injecting drug users are presented here featuring the discussion on injecting occurring within the versatility of places belong to the public space. The attention is paid mostly to the certain type of physical risk environment which is specific to Belgrade injecting scene, called "shtek", but risk production and risk management are reviewed also taking into consideration other types of physical environments.
Between the general and specific: Political tolerance and general support for democracy in Serbia and Europe
Todosijevi? Bojan
Sociologija , 2008, DOI: 10.2298/soc0803267t
Abstract: Political tolerance is one of the basic values of a democratic society. At the same time, it is also a controversial value - political freedoms are often used to undermine democratic order. In light of the early findings of low level of political tolerance in Eastern Europe (e.g., Bahry, Boaz & Gordon, 1997; Gibson & Duch, 1993), it is important to investigate both its general level and the association with the support for general democratic norms. This paper presents results of a comparative research of political tolerance in Europe, with special focus on the situation in Serbia. The first part of the paper presents descriptive findings abut the support for general democratic norms and the degree of tolerance in approximately 30 European countries. The second part analyzes the relationships between the general acceptance of democratic norms and political tolerance, i.e., the application of the abstract norms to specific groups. The research is based on the World Values Survey data (WVS; http://www.worldvaluessurvey.org). WVS data include the so called 'the least liked group' measure of political tolerance, developed by Sullivan et al. (1979, 1982). The results, once again, indicted the gap between widespread endorsement of abstract democratic norms and readiness to grant the basic political liberties to various specific political groups. Although the level of political tolerance is low across Europe, intolerance is still more widespread in East European countries. Serbian respondents appear similar to those from neighboring countries.
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