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1.
Modern Aspects of the Labyrinth in Literature
Klavdija Gredin, 2020, magistrsko delo

Opis: The purpose of this study is to define the labyrinth as a physical structure as well as analyse its symbolic use. I will determine, in my analysis of the works, the authors themselves, their other works and their lives, what the role of the labyrinth and whether we can find similaritie I included four works of different lengths in the research, including short stories and novel, which at first glance have only one thing in common - the labyrinth. I will determie, in my analysis of the works, the authors themselves, their other works and their lives, what the role of the labyrinth and whether we can find similarities in real life. In order to understand the meaning of the labyrinth we have to understand the meaning of certain terms and why did the labyrinth become so popular in the certain literature style, the magical realism. Although it was firstly associated in art it soon became used in literature in order to see everyday things in a magical, extraordinary way. The word labyrinth can be found in many civilisations all over the world, such as the Greeks, Romans, Scandinavians, Egyptians and so on. The meaning is not always the same. We cannot discuss the purpose of a labyrinth, if we do not explain the most known myth, the myth about the Minotaur. The symbolical meaning in the story of the Minotaur is clear, it represents a prison, but this is not the only meaning a labyrinth can have. Although one cannot be certain of the real purpose people build and draw labyrinths, we can speculate that they were made in order to protect certain people, capture the sun’s energy even to bring good weather, to be used in games and dances. Nowadays, it is a tool to help patients to heal spiritually and restore their wholeness. The meaning, in which we are the most interested is the symbolical meaning in literature. Considering all the analysed works and the acquired and analysed literature, I was able to determine that the labyrinth is used not only as a structure from which it is necessary to find a way, but also that it is enough, for the purposes of literature, if we get lost in it. It represents a tomb, where one can rest in peace. Making choices which way to take in a labyrinth is similar to making choices in our everyday life. An interesting fact is, that labyrinths were already found in literature in medieval manuscripts. Three classical authors stood out: Virgil, Ovid and Pliny the Elder. They defined the labyrinth for writers of modern day. The authors chosen in my work Jorge Luis Borges, J.K.Rowling, James Dashner and Guillermo del Toro included their ideas of the labyrinth and with a modern twist making it interesting to read and to explore several possibilities for the reader before one finishes the reading. They mixed the traditional with modern in order to get closer to everyday life, therefore the reader can identify himself with the main character, dream or escape from the reality. The selected works start with a description of the authors, following with the plot and last but not least analysed individually. Later on, the focus is on the labyrinth and his meaning in selected works. We can conclude that we, the readers are set on a journey as well as the characters in our selected works. The physical labyrinth in the work and the conceptual labyrinth intertwine and can confuse the reader, but just the right amount of facts are given in order to stay curious to keep reading. The authors made sure the reader can identify himself with the main character or better yet, they can feel his pain, try to solve the mystery with them and try to find the way out of the labyrinth not knowing that all labyrinths are not meant to be solved, not every way out of the labyrinth ends happily and that sometimes one just need to get lost in order to find a way out. The meaning of the labyrinth, therefore, has not significantly changed throughout the years. It has remained a symbol of admiration, for everyone, the creator, reader or walker.
Ključne besede: labyrinth, symbol, short story, novel, structure, Minotaur
Objavljeno: 07.04.2021; Ogledov: 93; Prenosov: 19
.pdf Celotno besedilo (550,18 KB)

2.
Remediation of County road section ž6004
Jure Župan, 2019, magistrsko delo

Opis: Master thesis represents the description of investigative geophysical, geotechnical as well as laboratory works that precede the design of a new pavement structure, within the remediation of County road Ž6004 damaged during heavy floods. As the first variant of remediation, the design of the new road structure is described using Croatian standard HRN U.C4.012, and as a second variant, the new design solution of road structure constructed using geosynthetic. Procedures for obtaining the key parameters required for designing using these methods are also described.
Ključne besede: civil engineering, remediation, investigative works, pavement structure, geosyntetics, HRN, reinforcing
Objavljeno: 03.09.2019; Ogledov: 437; Prenosov: 68
.pdf Celotno besedilo (2,64 MB)

3.
Evaluation of dynamic soil pressures acting on rigid culverts
Deniz Ulgen, Mehmet Yener Özkan, 2016, izvirni znanstveni članek

Opis: The seismic safety of underground structures (culvert, subway, natural-gas and water-sewage systems) plays a major role in sustainable public safety and urban development. Very few experimental data are currently available and there is no generally accepted procedure to estimate the dynamic pressures acting on these underground structures. This study aims to enhance the state of the prevalent information necessary to understand the dynamic behaviour of box culverts and the stresses acting under dynamic excitations through experimental analyses. For this purpose, a series of shaking-table tests were conducted on box-type culverts buried in dry sand. To simulate the free-field boundary conditions, a laminar box was designed and manufactured for use with a 1-g shake table. Two culvert models having different rigidities were tested under various harmonic motions in order to examine the effect of the flexibility ratio on dynamic lateral soil pressures. Based on the test results, a simplified dynamic pressure distribution acting on the sidewalls of the culvert model was suggested. Then, a dynamic lateral coefficient was defined for the proposed peak pressure value in the distribution. The values of this coefficient were obtained as a function of the shear strain by considering the relative stiffness between the soil and the underground structure.
Ključne besede: box culvert, dynamic earth pressure, shaking table, dynamic soil-structure interaction, laminar box, dynamic lateral coefficient
Objavljeno: 18.06.2018; Ogledov: 360; Prenosov: 42
.pdf Celotno besedilo (584,65 KB)
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4.
A comparison of linear and nonlinear seismic tunnel-ground interaction analyses
Elefterija Zlatanović, Marina Trajković-Milenković, Dragan Lukić, Stanko Brčić, Vlatko Šešov, 2016, izvirni znanstveni članek

Opis: In order to study the effects of a seismically induced tunnel–ground interaction, two-dimensional numerical analyses are performed using the sofware ANSYS. The study employs a coupled beam–spring model subjected to earthquake loading that is simulated under pure shear conditions and determined by a free-field ground-response analysis using the code EERA. The properties of the soil material are considered as both linear and nonlinear. The results obtained by linear dynamic analyses are compared with state-of-practice analytical elastic solutions. A comparison of the results of both linear and nonlinear analyses is also performed, and significant differences, as well as important factors influencing the tunnel–ground interaction for both cases, are evaluated.
Ključne besede: circular tunnel, linear/nonlinear soil behaviour, beam–spring model, plane-strain conditions, simplified dynamic FE analysis, soil–structure interaction
Objavljeno: 18.06.2018; Ogledov: 510; Prenosov: 37
.pdf Celotno besedilo (1,57 MB)
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5.
A microtremor HVSR study of the seismic site effects in the area of the town of Brežice (SE Slovenia)
Andrej Gosar, 2009, izvirni znanstveni članek

Opis: The wider region of Brežice is one of the most seismically active areas of Slovenia. The most damaging earthquake occurred in 1917, when Brežice was hit by an ML=5.7 earthquake that had an VIII MSK maximum intensity. Seismic site effects due to Quaternary sediments can be expected in the whole area of the town. Since there is a lack of boreholes and geophysical data to assess the site effects, the microtremor (ambient vibrations) horizontal-to-vertical spectral ratio (HVSR) method was applied at 113 free-field measuring points. In general, clear spectral peaks were obtained, but there were also examples of flat spectral ratios indicating a low impedance contrast between the sediments and the bedrock. A map of the sediment resonance frequency was drawn, which shows a frequency range of 1–15 Hz. In the southern part of the town higher frequencies correspond to the thin sediments (the Brežice terrace and the middle Sava terrace) and the high HVSR peak amplitudes indicate a great impedance contrast with the Sarmatian and Badenian bedrock. The northern part is characterized by very low frequencies, indicating thick sediments (Plio-Quaternary gravel) and a small impedance contrast with Pontian marl. The transition between the high and low frequencies is relatively steep. In addition, measurements were performed in 12 characteristic houses to assess the longitudinal and transverse building frequencies. The established building frequency range of 5–10 Hz indicates some areas in the southern part of the town where there is a potential danger of soil-structure resonance. Two buildings show direct evidence of a potential soil-structure resonance. According to this study, more pronounced seismic site effects are expected in the southern part of Brežice.
Ključne besede: ambient vibrations, microtremors, horizontal-to-vertical spectral ratio (HVSR), seismic site effects, soil-structure resonance
Objavljeno: 06.06.2018; Ogledov: 647; Prenosov: 102
.pdf Celotno besedilo (403,95 KB)
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6.
The limit values and the distribution of three-dimensional passive earth pressures
Stanislav Škrabl, 2008, izvirni znanstveni članek

Opis: This paper presents a novel approach to the determination of the critical distribution and limit values of three-dimensional passive soil pressures acting on flexible walls following the upper-bound method within the framework of the limit-analysis theory. The method of limit analysis with a set of three-dimensional kinematically admissible hyperbolic translational failure mechanisms is used to determine the critical distribution of the passive pressures along the retaining structurećs height. The intensity of thepassive pressures is gradually determined with the mentioned translational failure mechanisms in the top-down direction. Thus, the critical distribution,the trust point and the resultant of the passive pressures that can be activated at the limit state for the chosen kinematic model are obtained. The results of the analyses show that the total sum of passive pressures, considering the critical distribution, is lower than the comparable values published in the literature. Furthermore, the trust point of the passive pressure resultant is independent of the friction between the retaining structures and the soil.
Ključne besede: limit analysis, earth pressure, passive pressure, failure surface, soil-structure interaction
Objavljeno: 05.06.2018; Ogledov: 405; Prenosov: 39
.pdf Celotno besedilo (331,84 KB)
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7.
Modeling of the stress-strain behavior in hard soils and soft rocks
Vladimir Vukadin, 2007, izvirni znanstveni članek

Opis: The paper begins with a definition of hard soils and soft rocks (HSSR); this is followed by a short overview of the typical stress-strain behavior of HSSR. It is shown that in spite of the differences in the origin, type and strength of materials, similar stress-strain behaviors can be observed for different materials, ranging from soils to rocks. Based on this observed similarity a theoretical framework can be postulated, with which an appropriate constitutive model for HSSR can be formulated. This model includes the concepts of structure and destructurization as intrinsic material properties. A model named S_BRICK that takes into account the structure and destructurization has been developed and a comparison of this model’s predictions with laboratory results is presented.
Ključne besede: geomechanics, soft rocks, hard soils, stress-strain behaviour, constitutive modeling, structure, destructurization, numerical modeling
Objavljeno: 18.05.2018; Ogledov: 617; Prenosov: 54
.pdf Celotno besedilo (679,21 KB)
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8.
Interactional approach of cantilever pile walls analysis
Stanislav Škrabl, 2006, izvirni znanstveni članek

Opis: This paper proposes a new method for the geomechanical analysis and design of cantilever retaining structures. It is based on the limit equilibrium method, but it uses some additional conditions for interaction between the retaining structure and the ground, when referring to the distribution of the mobilized earth pressures on the structure. The greatest benefit of the proposed method is shown in the analysis of structures of layered ground (heterogeneous above the dredge level and homogeneous below it), embedded in frictional and cohesive materials, and in the possibility of considering the influence of surcharge loadings on the active or passive side of the retaining structure. When analyzing such cases in practice, the proposed method gives results which are in better agreement with the results of FEM based elasto-plastic interaction analyses than with the results of currently used methods. At the same time, its results are in accordance with those published for homogeneaus cohesionless ground. Since in practice almost all retaining structures are erected in layered ground (heterogeneaus above the dredge level and homogeneous below it), the proposed method is very convenient and applicable for the analyses and design of cantilever structures under arbitrary geomechanical conditions.
Ključne besede: geomechanics, soil-structure interaction, retaining walls, embedment, cantilevers, earth pressure, pressure distribution, friction soil - wall, limit analysis, shear forces
Objavljeno: 17.05.2018; Ogledov: 573; Prenosov: 36
.pdf Celotno besedilo (411,22 KB)
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9.
Development of a conceptual material model for structured materials - S_BRICK
Vladimir Vukadin, Jakob Likar, Vojkan Jovičić, 2005, izvirni znanstveni članek

Opis: Materials known in literature as Soft Rocks & Hard Soils such as claystones, siltstones, flysh, hard soils, marls, etc. received a lot of attention in research community in recent years. It was demonstrated that some of these materials can be described through general theoretical framework (Cotecchia & Chandler [1]), which takes into account the structure as an intrinsic material property that is present in all natural geological materials. The influence of the structure is manifested as an increase in strength and stiffness in a material. Based on a laboratory results and existent theoretical frameworks, a further step was taken with the development of a conceptual constitutive model for structured materials. A model formulated in strain space named BRICK (Simpson [2]) was chosen as a base model and was further developed with the inclusion of structure and destructuring. The new model was named S_BRICK and was tested on a conceptual level where the results of numerical tests on structured and structure less (reconstituted) materials at different stress paths were compared. The results showed that S_BRICK was able to capture stress-strain behavior typical for structured material and could be potentially used for the modeling of Soft Rocks and Hard Soils.
Ključne besede: geomechanics, soft rocks, hard soils, constitutive material models, structure, destructuring, numerical modeling
Objavljeno: 15.05.2018; Ogledov: 654; Prenosov: 40
.pdf Celotno besedilo (586,91 KB)
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10.
Green's function for an elastic layer loaded harmonically on its surface
Tomaž Pliberšek, Andrej Štrukelj, Andrej Umek, 2005, izvirni znanstveni članek

Opis: The Green's function in surface displacement plays an important role in soil structure interaction. In evaluating the Green's function, several difficulties occur because it is formulated in the infinite integral form. This paper outlines a method of analyzing the steady-state dynamic response of an elastic layer subjected to general point load excitation. It is assumed that the load is applied at the surface. The application Hankel integral transform, to the governing differential equations and boundary conditions yields the response displacements at the surface in integral representation. It will be shown that these semi-infinite integrals can be reduced to the integral with the finite range of integration, which can be efficiently taken numerically. The numerical results are presented, which show the efficiency of the developed procedure.
Ključne besede: civil engineering, geomechanics, soil-structure interaction, layered halfspace, Green's function, elastodynamics
Objavljeno: 15.05.2018; Ogledov: 734; Prenosov: 57
.pdf Celotno besedilo (375,59 KB)
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