The fourth construction industry revolution (i.e., Construction 4.0), driven by the fourth industrial revolution, introduces technological novelties to the construction industry in the direction of utilizing automation and digitalization potential. Various levels of maturity and adoption of these technologies have been identified separately in previous studies. In this study, a state-of-the art literature review is presented with the aim of determining the genesis and current levels of digitalization and automation, as well as their interoperability, among the main construction projects’ life-cycle phases. The results revealed that the construction project life-cycle phases are indeed at significantly different digitalization and automation levels. The initiation phase was found to be at a low level of digitalization and automation, the design and planning phase at a high level of digitalization with a low level of automation, and the execution phase at low-level digitalization with a higher level of automation. Since the topic is continuously developing, this research could be conducted in the near future to determine the advancements in comparison to the current conclusions.
Preliminary notesIn this paper authors suggest and test evolutionary algorithm of multiple criteria solver (MCS) for asphalt supply chain optimization. On the basis of the defined imperfection of the basic mathematical model authors made an algorithm and conducted simulations of transportation problems cases generated from the given realistic input intervals in order to determine the constraints and possibilities for improvement of the original model of the transportation problem of large amounts of asphalt mixture. Results have shown that the suggested model verifies and eliminates the lack of the original model. As well, it is shown in which scenarios of transportation problem and to which extent the suggested methodology contributes to the total transportation costs savings and insurance of the program's optimality. Keywords: asphalt; chain of processes; optimization; simulation; transportation Metodologija i algoritam za optimizaciju lanca procesa transporta asfaltaPrethodno priopćenje U radu je predložen i testiran evolucijski algoritam za optimizaciju lanca procesa transporta asfaltne mješavine na gradilišta. Izrađen je algoritam (rješavatelj MCS) na temelju definiranog nedostatka postojećeg matematičkog modela te provedena simulacija slučajeva transportnog problema kako bi se utvrdila ograničenja i mogućnosti za poboljšanje originalnog modela za rješavanje transportnog problema velikih količina asfaltne mješavine. Rezultati su pokazali da predložen model pridruživanja i isključivanja potencijalnih izvora potvrđuje i otklanja nedostatak originalnog modela. Pokazano je i u kojim slučajevima transportnog problema i u kojoj mjeri predložena metodologija doprinosi uštedi i osiguranju optimalnosti ponuđenog programa.
Stranice 68-80 Constructability-Buidability-Izgradivost Galić, M; Dolaček-Alduk, Z; Uremović, B http://dx.doi.org/10.13167/2013.6.7 68 CONSTRUCTABILITY-BUILDABILITY-IZGRADIVOST Mario GalićSveučilište Josipa Jurja Strossmayera u Osijeku Građevinski fakultet Osijek, dipl.ing.građ. Zlata Dolaček-AldukSveučilište Josipa Jurja Strossmayera u Osijeku Građevinski fakultet Osijek, docent Boris UremovićTehničko veleučilište u Zagrebu, dipl.ing.građ., predavač Sažetak: Izgradivost je koncept koji još nije ostvario značajniji utjecaj u građevinskoj praksi u Hrvatskoj, kao što je to slučaj u zemljama poput SAD-a, Kanade, UK i Australije. Ovim se radom nastoji prihvaćenu definiciju, ciljeve i output koncepta izgradivosti približiti sudionicima u građevinskim projektima, no i utvrditi što pojedine interesne strane smatraju ključnim problemom u eventualnom provođenju koncepta, ali i koji su uzroci problema na relaciji projektiranje-izvođenje-korištenje općenito.Ključne riječi: izgradivost, izgradljivost, relacija projektant-izvođač-korisnik, faze građevinskog projekta CONSTRUCTABILITY-BUILDABILITY-IZGRADIVOSTAbstract: Constructability (Buildability) is a concept which still hasn't reached significant impact on construction practice in Croatia, as quite as it has in countries like USA, Canada, UK and Australia. With this paper authors strive to constructability accepted definition, objectives and outputs bring closer to the participants in the construction projects, determine which particular problems stakeholders in Croatian construction projects believe that are the fundamental in the implementation of the concept, but also the causes of the problems between the design-constructing-usage.
Preliminary communicationBuilding Information Modelling (BIM) is the current trend of the Architectural, Engineering and Construction (AEC) industry today. For its successful adaptation, education and standardization are one of the key success factors. In education, BIM provides development of students' critical way of thinking and enables them to understand the complexity of the construction industry. As there is no accurate information about BIM education at Croatian universities, the aim of this paper was its implementation at the University J. J. Strossmayer of Osijek and the University of Zagreb. We have found that the current schemes enabled students to understand the BIM concept and how BIM changes and fosters the work processes in construction projects. However, we have also identified the deficient knowledge in coordination, interoperability and clash detection. Therefore, the future work involves extension on collaboration tools and covering the above mentioned, missing knowledge areas. Keywords: Building Information Modelling; construction management; engineering education; 5D modelling; master level Ocjena edukacijskih pristupa Building Information Modeling-a (BIM) na diplomskim studijima građevinskih fakulteta u RH Prethodno priopćenjeBuilding InformationModeling (BIM) predstavlja trend u današnjoj arhitekturi, graditeljstvu i ostalim inženjerskim strukama. Pravilna edukacija i standardizacija predstavljaju ključne faktore prilagodbe na BIM. Primjenom BIM-a u edukaciji, studentima se omogućuje razvoj kritičkog načina razmišljanja i mogućnost zapažanja i razumijevanja kompleksnosti građevinske industrije. Kako ne postoje precizne informacije o BIM edukaciji na hrvatskim sveučilištima, cilj ovog rada je implementacija iste na Sveučilištu J. J. Strossmayer u Osijeku te Sveučilištu u Zagrebu. Zaključili smo da trenutna edukacija studentima omogućava razumijevanje BIM koncepta i načina na koji BIM mijenja proces rada u građevinskim projektima. Radom je također uočeno da u edukaciji nedostaju znanja o koordinaciji, interoperabilnosti i kontroli sudara. Stoga, budući rad uključuje širenje edukacije na ostale kolaborativne alate kako bi se obuhvatila spomenuta područja znanja koja trenutno nedostaju u edukaciji.
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