Scientia et Securitas
Volume/Issue:
Volume 3: Issue 3
Öszvérszerkezetű hidak építéstechnológiái a közlekedésbiztonság fényében
Author:
Dániel Gosztola Széchenyi István Egyetem, Építész-, Építő- és Közlekedésmérnöki Kar, Szerkezetépítési és Geotechnikai Tanszék Győr Magyarország; University of Győr, Faculty of Architecture, Civil Engineering and Transport Sciences, Department of Structural and Geotechnical Engineering Győr Hungary

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https://orcid.org/0000-0003-0279-6447
Pages:
185–191
Online Publication Date:
06 Apr 2023
Publication Date:
06 Apr 2023
Article Category:
Research Article
DOI:
https://doi.org/10.1556/112.2022.00118
Keywords:
traffic diversion; traffic safety; composite bridges; bridge construction over traffic; prefabricated deck slab;
Keywords (Hungarian):
forgalomterelés; közlekedésbiztonság; öszvérszerkezetű híd; hídépítés forgalom felett; pályalemez előregyártás;
Open access

Összefoglalás.

Számos meglévő infrastruktúra-beruházás esetén – legyen az felújítás, rekonstrukció vagy fejlesztés – szükségessé válhat új hidak építése, ezek közül kiemelt kérdéskör azon beruházások, ahol az áthidalandó keresztmetszet bővül és a feszített vasbeton gerendás szerkezet helyett az öszvérszerkezetű híd gazdaságilag indokolttá válik. A híd építéstechnológiája forgalombiztonsági és forgalomszervezési oldalról kulcsfontosságú. Az építés ideje alatt a forgalmat biztosítani kell, amit a hagyományos építési módnál forgalomterelés mellett lehet megtenni. A kutatásom ezért a hídépítés miatt szükséges forgalomterelések közúti biztonságával foglalkozik, illetve az új, a problémát feloldó hídépítési technológiákkal.

Summary.

In the case of many existing infrastructure investments – be it renovation, reconstruction or development – it may become necessary to build new bridges. The investments where the cross-section is expanded and instead of the prestressed reinforced concrete beam structure, the use of composite bridge becomes more economically. The construction technology of the steel-concrete composite bridge is crucial from the point of view of traffic safety and traffic management. Traffic must be ensured during construction, which can be done with traffic diversion in the case of the traditional construction method. My research therefore deals with road safety, the traffic diversions required due to steel-concrete composite bridge construction, and the new bridge construction technologies that solve this problem. In the reconstruction of the M1 motorway, the prefabricated prestressed reinforced concrete beam structure could be built with intermediate support, but there are several arguments in favor of abandoning the intermediate support and building steel-concrete composite bridge with single span. The strongest of these is ensuring road safety. In addition to the existing traffic, in order to avoid traffic disruption, it is necessary to avoid an intermediate support, which reduces traffic jam and waiting time. I illustrate the impact of traffic diversion on traffic safety by analyzing a previous renovation work on the M1 motorway. During the research, I compare the traffic diversion accident data with the control section. The control section is the same road section, with the same length of time, before the renovation in this study. The comparison confirms that traffic disruption should be avoided during bridge construction. It is economically justified to build steel-composite bridges, but it is necessary to deviate from the cast-in-place on concrete construction of deck slab, because it requires traffic diversion. I present new construction technologies for the construction of steel-concrete composite bridges, which can be used to ensure road safety. Overall, the raising the degree of prefabrication results in the avoidance of traffic disruption. Among construction technologies, economic aspects are typically decisive, such as the availability of human resources, capacity utilization and reduction of construction time. We developed a new construction technology for achieve the deck slab of steel-concrete composite bridges with less human resources, in a shorter time, with the available capacities, more economical construction and without traffic disruption.

  • 1

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Cover Scientia et Securitas
Scientia et Securitas
Online ISSN:
2732-2688

Editor-in-Chief:

Founding Editor-in-Chief:

  • Tamás NÉMETH

Managing Editor:

  • István SABJANICS (Ministry of Interior, Budapest, Hungary)

Editorial Board:

  • Attila ASZÓDI (Budapest University of Technology and Economics)
  • Zoltán BIRKNER (University of Pannonia)
  • Valéria CSÉPE (Research Centre for Natural Sciences, Brain Imaging Centre)
  • Gergely DELI (University of Public Service)
  • Tamás DEZSŐ (Migration Research Institute)
  • Imre DOBÁK (University of Public Service)
  • Marcell Gyula GÁSPÁR (University of Miskolc)
  • József HALLER (University of Public Service)
  • Charaf HASSAN (Budapest University of Technology and Economics)
  • Zoltán GYŐRI (Hungaricum Committee)
  • János JÓZSA (Budapest University of Technology and Economics)
  • András KOLTAY (National Media and Infocommunications Authority)
  • Gábor KOVÁCS (University of Public Service)
  • Levente KOVÁCS (Óbuda University)
  • Melinda KOVÁCS (Hungarian University of Agriculture and Life Sciences (MATE))
  • Miklós MARÓTH (Avicenna Institue of Middle Eastern Studies )
  • Judit MÓGOR (Ministry of Interior National Directorate General for Disaster Management)
  • József PALLO (University of Public Service)
  • István SABJANICS (Ministry of Interior)
  • Péter SZABÓ (Hungarian University of Agriculture and Life Sciences (MATE))
  • Miklós SZÓCSKA (Semmelweis University)

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Scientia et Securitas
Language Hungarian
English
Size A4
Year of
Foundation		 2020
Volumes
per Year		 1
Issues
per Year		 4
Founder Academic Council of Home Affairs and
Association of Hungarian PhD and DLA Candidates
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ISSN ISSN 2732-2688 (online), 3057-9759 (print)
   

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