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Tehnička ili ekološka diktatura
Momčilo Šarenac, 1991, izvirni znanstveni članek

Opis: Ekološke proturječnosti sastavni su dio društvenih, razvojnih, strukturalnih suprotnosti. Upravo čitav civilizacijski napredak bio je otkupljen za cijenu mijenjanja, iskorištavanja i nasilja nad integritetom prirodnih ekoloških sistema. Ekološka kriza očituje se u paleolitu kao kriza načina prehrane, u neolitu urbanizacijom kao stvaranjem jezgre buduće ekološke prijetnje. Industrijska revolucija nije riješila osnovne proturječnosti između prirode, kapitala i metoda iskorištavanja prirode, već ih je samo produbila. Čovječanstvo je izgleda dospjelo do te točke kada »glavni predmet« čovječanstva mora biti borba za opstanak. Za rješenje ekološke krize i sprečavanje ekološke katastrofe prioritetni problem i pitanje je određivanje novih političkih koordinata. Načelno su moguća dva tipa, nivoa i ponašanja: Demokratsko-oblikovani sistemi i Autoritarno-oktroirani sistemi. Da bi izbjegli tehničku i ekološku diktaturu, potrebno je promijeniti odnos ljudi spram globalnih opasnosti, posebno ekoloških. Više demokracije znači uvjet za ekološki preobražaj našeg društva, što nije moguće provesti bez aktivnog učešća svih u tom poslu. Ekološka nasprotja so sestavni del družbenih, razvojnih in strukturalnih nasprotij. Ves civilizacijski napredek se je zgodil na račun naravnih ekoloških sistemov. V paleolitiku se ekološka kriza kaže kot kriza prehranjevanja, v neolitiku kot urbanizacija. Industrijska revolucija ni rešila nasprotja med naravo, kapitalom in metodami izkoriščanja narave temveč jih je poglobila. Tako se je človeštvo znašlo v točki, ko je preživetje njegov glavni problem. Le nove politične smeri lahko rešijo človeštvo pred propadom: demokratsko oblikovani sistemi in avtoritativno oktroirani sistemi. Da bi se izognili tehnološki in ekološki diktaturi je potrebno spremeniti odnos ljudi do ekoloških nevarnosti. Več demokracije predstavlja pogoj za ekološko preobrazbo naše družbe, kar zahteva sodelovanje vseh udeleženih.
Ključne besede: družba, demokracija, ekologija
Objavljeno: 12.10.2017; Ogledov: 14; Prenosov: 0
.pdf Polno besedilo (4,93 MB)

3.
Energy management and policies
2017, zbornik recenziranih znanstvenih prispevkov na mednarodni ali tuji konferenci

Objavljeno: 27.09.2017; Ogledov: 40; Prenosov: 4
.pdf Polno besedilo (4,21 MB)

4.
Innovative solution for energy efficient urban freight deliveries
Tomislav Letnik, Matej Mencinger, Stanislav Božičnik, 2017, objavljeni znanstveni prispevek na konferenci

Ključne besede: transport, urban freight, CO2 emissions, energy efficiency, fuzzy clustering
Objavljeno: 27.09.2017; Ogledov: 42; Prenosov: 5
.pdf Polno besedilo (14,12 MB)

5.
Model of traffic access mode and railway station choice of suburban railway system in Slovenia
Gregor Rak, Marjan Lep, 2014, pregledni znanstveni članek

Opis: This article presents the establishment of a model of understanding the access mode and railway station choice of Slovenian passengers. Therefore, a model has been designed to predict the determination of existing decision making preferences of railway users about the access mode and railway station choice with a stated preference survey and face to face method. The target group in the survey were railway passengers in the suburban environment that use the rail for work and school purposes. The total number of respondents was 412. The survey showed that most passengers access the railway station with car (60,2%), by foot (26,2%), with public transport (bus – 8,3%) and with bike (5,3%). Average distance to the station is 4,9 km, average time of access is 10,5 min. Upon exit most passengers walk to the final destination (84,5%), use the public transport (bus – 14,1%), car (1,2%) or bike (0,2%). Average time from exit of the train to final destination is 13,1 min, average distance is 1,58 km.
Ključne besede: passenger transport, departure railway station choice, railway access mode choice
Objavljeno: 01.09.2017; Ogledov: 43; Prenosov: 2
.pdf Polno besedilo (538,93 KB)

6.
Discrete optimization with fuzzy constraints
Primož Jelušič, Bojan Žlender, 2017, izvirni znanstveni članek

Opis: The primary benefit of fuzzy systems theory is to approximate system behavior where analytic functions or numerical relations do not exist. In this paper, heuristic fuzzy rules were used with the intention of improving the performance of optimization models, introducing experiential rules acquired from experts and utilizing recommendations. The aim of this paper was to define soft constraints using an adaptive network-based fuzzy inference system (ANFIS). This newly-developed soft constraint was applied to discrete optimization for obtaining optimal solutions. Even though the computational model is based on advanced computational technologies including fuzzy logic, neural networks and discrete optimization, it can be used to solve real-world problems of great interest for design engineers. The proposed computational model was used to find the minimum weight solutions for simply-supported laterally-restrained beams.
Ključne besede: uncertainty, discrete optimization, neuro-fuzzy technique, structural optimization
Objavljeno: 09.08.2017; Ogledov: 95; Prenosov: 0
.pdf Polno besedilo (1,10 MB)

7.
Urbanistično-arhitekturna delavnica kot priložnost za teoretsko refleksijo
Peter Šenk, Uroš Lobnik, 2013, izvirni znanstveni članek

Opis: V članku je predstavljena mednarodna urbanistično-arhitekturna delavnica Maribor-jug (2010-11), kot model "mariborskih" urbanistično-arhitekturnih delavnic, ki jih načrtovalci vrednotijo ter uporabljajo za usmerjanje urbanega razvoja in teoretske razprave. Predstavljeni interdisciplinarni projekt je raziskal možnosti za oblikovanje južnega roba mesta na območju, kjer je predvidena izgradnja južne obvoznice. Ob opisu primera delavnice, ki z definirano projektno osnovo - določenim območjem obdelave ter projektnim vprašanjem - razvije teoretsko polje skozi "praktično-projektni pristop", je v prispevku izpostavljena tudi priložnost za "teoretski pristop". Slednji ima za cilj, na podlagi generaliziranega prostorskega vprašanja, odpirati širši pogled v teoretsko polje, povezano z njim. S prvim pristopom izpostavljeno načrtovano usmerjanje urbanega razvoja na območjih izgrajevanja prometne infrastrukture, kot ene ključnih prioritet sodobnega urbanističnega načrtovanja ter trajnostnega preoblikovanja mesta, dobi v drugem, z obravnavo tem mobilnosti, prostora, kraja, mnogovrstnosti infrastruktur itd. sodobnega prostora razširjeno referenčno polje, ki pa se neposredno ne veže na projekt. Tako kot pri prvem, ob iskanju projektnih rešitev stremimo k teoretskemu osmišljanju, tako se pri drugem pristopu lahko posvetimo iskanju relacij med teoretskim konceptom in manifestacijami v realnem prostoru, vendar pristopa vselej ostajata ločena. Njuna operativnost je omogočena zgolj na ravni "kombinatornega mišljenja" in ostaja onkraj neposredne instrumentalnosti.
Ključne besede: arhitekturno-urbanistične delavnice, Maribor-jug, rob mesta, prometna infrastruktura, obvoznice, teoretska refleksija
Objavljeno: 09.08.2017; Ogledov: 39; Prenosov: 5
.pdf Polno besedilo (3,22 MB)

8.
Culture change in construction industry: from 2D toward BIM based construction
Nenad Čuš Babič, Danijel Rebolj, 2016, izvirni znanstveni članek

Opis: Building Information Modelling (BIM) has become accepted as an approach that should deliver substantial gains to all the stakeholders within the architecture, engineering and construction (AEC) industry. Recently, several researchers have pointed out the need for cultural changes as a necessary step for radically transforming the industry. In order to provide answers to these requests, the culture should be described in a more explicit way, and industry issues interpreted correctly. This paper via qualitative research of variety of sources explores the stability and persistence of a traditional 2D paper-based approach in the light of Institutional theory. The paper illustrates how the traditional approach is embedded within AEC culture by considering the regulative, normative, and cultural-cognitive aspects. These aspects support each other, thus providing even more stability and support for the existing values and ways of working. The aim of this work is to provide some insight into reasons for slower penetration of the BIM based construction. The paper also explains the local character of the industry, which slows down transference of best practices within the AEC industry. Understanding of existing patterns reveals new insights into how to make the transition easier and more functional, especially within the contexts of existing priorities and values.
Ključne besede: building information modelling, BIM, institutional theory, 2D paper based working
Objavljeno: 07.08.2017; Ogledov: 67; Prenosov: 0
.pdf Polno besedilo (331,19 KB)

9.
Financial aspects of a seismic base isolation system for a steel high-rack structure
Vojko Kilar, Simon Petrovčič, Simon Šilih, David Koren, 2013, izvirni znanstveni članek

Opis: The paper deals with the effects and costs of implementing a base isolation system for the mitigation of the seismic risk of an existing steel rack structure. Different realistic distributions of the payload mass and occupancy levels, which form different plan asymmetric variants, have been analysed. The results obtained by the pushover analysis (N2 method) are presented as top floor envelopes and as plastic hinge damage patterns. In the presented cost study, the cost of the implementation of the proposed base isolation system is compared with the estimated costs of structural repairs to the damaged structural members of the superstructure, as well as with estimated expenses of the downtime period. The results have shown that base isolation is, in general, not economically feasible for lower ground motion intensities, whereas it could be of great benefit in the case of moderate and high intensities, especially if the downtime period is taken into account.
Ključne besede: rack structures, seismic behaviour, base isolation, cost efficiency, mass eccentricity, pushover analysis
Objavljeno: 07.08.2017; Ogledov: 32; Prenosov: 2
.pdf Polno besedilo (999,00 KB)

10.
Application of "Einstein's riddle" in solving construction machine allocation problems
Borna Dasović, Marko Čorak, Mario Galić, Uroš Klanšek, 2016, izvirni znanstveni članek

Opis: “Einstein’s riddle” is a popular example of constraints satisfaction problem. Since its introduction, different forms and variations of the riddle have been presented. Regardless of the variant of the riddle, its solution is considered a tough challenge for humans. Researchers have developed and are still developing mathematical models, as well as computational simulation models for solving it. In this article, the authors have modified a previously published mathematical model and developed a computational spreadsheet model for solving the riddle, which provides a unique solution for the riddle. The model was also tested in a small and medium-scaled form for solving constraint satisfaction problems regarding the allocation of construction machines. The authors have also highlighted the model’s limitations for solving such problems and made suggestions regarding necessary modifications in the model to solve more complex problems in the same domain.
Ključne besede: Einstein's riddle, zebra riddle, construction, machine allocation, combinatorial optimization
Objavljeno: 02.08.2017; Ogledov: 66; Prenosov: 2
.pdf Polno besedilo (437,45 KB)

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