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Academic literature on the topic 'Betongbro'
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Journal articles on the topic "Betongbro"
Lindner, J., and N. Budassis. "Biegedrillknicken von kammerbetonierten Verbundträgern ohne Betongurt." Stahlbau 70, no. 2 (February 2001): 126–33. http://dx.doi.org/10.1002/stab.200100430.
Full textClaßen, Martin, Matthias Hillebrand, and Benjamin Camps. "Querkraftbemessung der Stahlbetongurte im Bereich von Trägeröffnungen/Shear design of reinforced concrete beams in web opening regions." Bauingenieur 94, no. 01 (2019): 21–28. http://dx.doi.org/10.37544/0005-6650-2019-01-67.
Full textClassen, Martin, Martin Herbrand, and Alexander Stark. "Dübelkennlinien von Verbunddübelleisten mit Stahlversagen/Shear force-slip characteristic of composite dowels with steel failure." Bauingenieur 92, no. 06 (2017): 237–44. http://dx.doi.org/10.37544/0005-6650-2017-06-33.
Full text"Biegedrillknicken von kammerbetonierten Verbundträgern ohne Betongurt (Projekt 363)." Bautechnik 77, no. 5 (May 2000): 376. http://dx.doi.org/10.1002/bate.200002800.
Full text"Biegedrillknicken von kammerbetonierten Verbundträgern ohne Betongurt (Projekt 363)." Stahlbau 69, no. 7 (July 2000): 527. http://dx.doi.org/10.1002/stab.200001820.
Full textDissertations / Theses on the topic "Betongbro"
Hussein, Shoresh, Hemen Shaswar, and Thomas Österberg. "Jämförelse mellan en träbro och en betongbro : En LCA-analys med fokus på koldioxidutsläpp samt en LCC-analys." Thesis, Uppsala universitet, Institutionen för geovetenskaper, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-183421.
Full textLazic, Kamelia, and Jasmina Imamovic. "Livscykelanalys av betongbro i produkt- och produktionsskedet – åtgärder för att minska klimatavtrycket." Thesis, Malmö universitet, Fakulteten för teknik och samhälle (TS), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-44400.
Full textThe infrastructure accounts for a significant part of climate-affecting emissions. Emissions from road and railway construction come mostly from the production of concrete and steel used for the construction of bridges and other construction works. The purpose of the study is to investigate the climate impact from concrete bridges and identify the resources that contribute to the largest climate footprint during the material production and construction phase. Alternative optimized solutions are being investigated, whose emphasis is on promoting sustainable construction of concrete bridges. To achieve the goal of the study, a case study was conducted on an integral bridge of concrete. The case study mostly included a life cycle assessment, based on document analysis, in order to be able to identify where in the material production and construction phase the largest climate footprints occur. In addition to life cycle assessment, interviews were conducted to suggest more sustainable alternatives for a reduced climate impact. The results from the study showed a total climate impact of 82,711 kg CO2e from the product and production phase, of which the largest contributing factors were the concrete and the reinforcement. Improved solutions have been proposed in order to reduce the climate impact. The concrete that is used for the bridge was considered suitable from a sustainability perspective because its contribution to carbon dioxide emissions was lower compared to other types of concrete on the market. The reinforcement will be replaced with a greener and locally produced type of reinforcement to promote more environmentally friendly material choices and to reduce the climate footprint from transport. Furthermore, it has been established that renewable fuels are significant in reducing climate impact. To further reduce the climate footprint, high-strength steel in bridge railings can be used instead of galvanized steel. In order to promote sustainable construction, the use of resources should be taken into account.
Petersén, Pernilla. "Undersökning av gjutmetodens inverkan på vidhäftning och sprickrisk vid reparation av en betongbro." Thesis, KTH, Betongbyggnad, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-36823.
Full textWäster, Malin. "Modellering av tvärsnitt i betongbro med avseende på egenskaper som platta och balk." Thesis, KTH, Betongbyggnad, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-137171.
Full textThe aim of this Master thesis is to study a cross section of a bridge that cannot be unambiguously considered to be defined as a beam cross-section or a slab cross-section. With the given definitions used in bridge engineering, a slab construction has to have a width wider than five times the height, otherwise it should be regarded as a beam construction. The length of a beam construction is also defined to be three times longer than the height. The cross section in this thesis can thus be treated as both a slab cross-section and as a beam cross-section. The aim of this work is to investigate whether it is possible to find a method to construct this type of cross-section that falls within both these two definitions. The difference in mode of action between a plate and a beam is that the plate is assumed to carry loads in two directions while a beam only carries load in one direction. The work done in this report has been performed in cooperation with the consulting company WSP Bridge & Hydraulic Design in Örebro who has constructed a bridge with the studied section, Bro 344 över parkstråk i trafikplats Rinkeby å ramp mot Ärvinge. This bridge is 181 m long in 9 spans and are located at the traffic interchange Rinkeby which is part of the Swedish Transport Administration project, E18 Hjulsta - Kista. The loads, which are discussed and analyzed are the deadweight of the concrete, distributed load of road surface and vertical traffic loads. In the first stage of the work the models are being analyzed with moving traffic loads, it appears, however, during the process that simplifications in terms of the moving traffic loads must be made, when the work would be too wide otherwise. A static bogie-load is deployed in one of the spans, in between the third point and half the span length. Calculations are performed using a computer software, in which the bridge is modeled both by shell elements and by beam elements. The shell-model is created as an elongated plate section in which the force comes out as unit per meter. The beam-model is considered as a semi-restrained beam in which the section forces come out in unit for the whole beam. Software used is a three-dimensional finite element program, SOFISTIK. As many other FEprograms SOFISTIK provide a user-friendly modeling workspace, it handles variable and moving loads and has a variety of embedded modules and functions. The calculations which are being evaluated and compared, is at the first hand the different results in between the shell-model and the beam-model from the models made in SOFISTIK. The amounts of designing reinforcement are calculated for the maximum bending moment and for the minimum bending moment. Those results, also compares with results from other software, the software used in the design from the beginning, which for the shell-analyze the software Brigade Standard and for the beam-analyze the software Strip Step 3. The amounts of design reinforcement are finally compared by studying three cases: • The Shell-model from SOFISTIK - Brigade Standard • Beam-model from SOFISTIK - Strip Step 3 • SOFISTIK the shell-model – the beam-model The comparisons show that both the shell-models from the two different programs (SOFISTIK and Brigade Standard) and the beam-models from the different two programs (SOFISTIK - Strip Step 3) give equivalent amounts of reinforcement which provides a secure verification of the models. Furthermore the comparison between the shell-model and the beam-model, in SOFISTIK , shows that the beam-model provides significantly higher amounts of reinforcement in both the field and at the support.
Lind, Christian, and Martin Wikslund. "Mätning av armeringskorrosion med RapiCor." Thesis, Linköpings universitet, Institutionen för teknik och naturvetenskap, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-67179.
Full textStrand, Elin Holsten, and Ann-Kristin Kaldbekkdalen. "Prosjektering og analyse av en spennarmert betongbru." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for konstruksjonsteknikk, 2014. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-27126.
Full textEhlorsson, Viktor, and Victor Palmqvist. "Prefabricerade betongbroar - är det möjligt?" Thesis, Halmstad University, School of Business and Engineering (SET), 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-4494.
Full text”Prefabricerad broproduktion ger ett snabbt montage och stor möjlighet att styra produktionsprocessen”
(En av de intervjuade)
Vid traditionell produktion av betongbroar tillverkas bron på plats. Ingående arbeten såsom byggande och rivning av ställning, formsättning, armering samt gjutning av bron är tidskrävande moment som innefattar oergonomiska arbetsställningar för yrkesarbetarna, där de dessutom exponeras för ogynnsamma väderförhållanden och höga höjder. De flesta betongbroar som byggs i Sverige utförs fortfarande enligt traditionella metoder innehållande många tidskrävande och ogynnsamma arbetsmoment.
I rapporten behandlas prefabricerade betongbroar som är ett konkurrenskraftigt alternativ vid broproduktion. Broelementen tillverkas på fabrik och monteras på plats, vilket leder till tidsvinster, minskade trafikstörningar, förbättrad arbetsmiljö och bättre kvalitet. Prefabricerade betongbroar kan ses som en del av industrialiseringen av byggprocessen där standardiserade lösningar och metoder används för att effektivisera byggandet.
Intervjuer med personer verksamma inom anläggningsbranschen har gjorts för att få fram ett så relevant resultat som möjligt. Dessa gav oss en övergripande uppfattning om prefabricerade betongbroars fördelar och nackdelar samt anledningarna till det låga användandet i Sverige.
Rapporten visar att prefabricerade betongbroar är en möjlig produktionsmetod vid brobyggnad. De kvalitetsproblem som förekommit har arbetats bort, istället uppnås idag en bättre kvalitet på den färdiga bron. Beställarna måste dock värdera tidsaspekten redan i upphandlingsfasen för att prefabricerade betongbroar ska anses fördelaktiga. Dessutom måste projekteringsprocessen förändras och en ny kompetens arbetas fram inom branschen. Förändras dessa faktorer är vi helt övertygade om att prefabricerande betongbroar har en ljus framtid i Sverige.
Granqvist, Marcus. "En fallstudie gällande beräkningsmetoder av spänningsförluster i för- och efterspända betongbroar : Tillståndsbedömning av för- och efterspända betongbroar med dagens beräkningsmetoder." Thesis, Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-86018.
Full textMunthe-Kaas, Oda. "Beregning og dimensjonering av korrosjonsskadet betongbru : Vurdering av tilstand og bæreevne til Nerlandsøybrua." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for konstruksjonsteknikk, 2014. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-24263.
Full textBjerketvedt, Anders, and Christoffer Marstein Ring. "Effekter av skjeve opplegg på en trespenns betongbru : Ved bruk av bjelke- og platemodeller." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for konstruksjonsteknikk, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-19317.
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