Prefabricated Bridge Construction across Europe and America

Hällmark, Robert; White, Harry; Collin, Peter

doi:10.1061/(asce)sc.1943-5576.0000116

Cited by 49 publications

(25 citation statements)

References 3 publications

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“…Steel or prestressed girders are common, with prefabricated decks appearing less often. Self-propelled modular transports have also been used to move preassembled bridges weighing several thousand tons into place (Hӓllmark et al 2012). …”

Section: Accelerated Bridge Constructionmentioning

confidence: 99%

Experiments on a Hybrid-Composite Beam for Bridge Applications

Nosdall

Moen

Cousins

et al. 2013

Transportation Research Record: Journal of the Transportation R

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This thesis details a study of the structural behavior of Hybrid-Composite Beams (HCB) consisting of a fiber reinforced polymer (FRP) shell with a concrete arch tied with steel prestressing strands. The HCB offers advantages in life cycle costs through reduced transportation weight and increased corrosion resistance. By better understanding the system behavior, the proportion of load in each component can be determined, and each component can be designed for the appropriate forces. A long term outcome of this research will be a general structural analysis framework that can be used by DOTs to design HCBs as rapidly constructible bridge components. This study focuses on identifying the load paths and load sharing between the arch and FRP shell.Testing was performed by applying point loads on simple span beams (before placing the bridge deck) and a three beam skewed composite bridge system. Curvature from strain data is used to find internal bending forces, and the proportion of load within the arch is found. Additionally, a stress integration method is used to confirm the internal force contributions. The tied arch carries about 80% of the total load for the non-composite case without a bridge deck. When composite with a bridge deck, the arch has a minimal contribution to the HCB stiffness and strength as it is below the neutral axis. For this composite case the FRP shell and prestressing strands resist about 85% of the applied load while the bridge deck carries the remaining 15% to the end diaphragms and bearings.iii

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Section: Accelerated Bridge Constructionmentioning

confidence: 99%

Experiments on a Hybrid-Composite Beam for Bridge Applications

Nosdall

Moen

Cousins

et al. 2013

Transportation Research Record: Journal of the Transportation R

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“…The use of prefabrication technology helps enhance projects" sustainable performance in the AEC Industry. Also, the overall cost of prefabrication may be significantly less than traditional piece-by-piece construction when user costs and durability are taken into account [43]. Take The use of SIPS is recognized as an effective tool to increase productivity.…”

Section: Prefabricationmentioning

confidence: 99%

Lean Approach to Production Planning for Large Solar Photovoltaic Installations

Wang

Riley

2016

Construction Research Congress 2016

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Solar photovoltaic (PV) construction projects are expanding and have complex technical requirements coupled with narrow financial margins. Limited research has examined large-scale PV production planning and techniques to capitalize on repetitive activities, prefabrication opportunities, and the high variability of regional factors affecting construction processes. This research examines large scale PV projects to identify factors affecting key planning decisions and methods to support production planning on large scale PV project. Lean construction concepts and instruments are applied to inform an examination of production planning on multiple PV construction case studies. Lessons on these cases are used to inform a deep case study and production experimentation to produce experience and short interval production (SIPS) data. A tool developed to support PV production planning is presented including use of 4D simulation to enhance communication of planning decisions. The results of this research indicate key planning variables impacting design and prefabrication decisions on PV projects and help elevate the needs and opportunities to apply detailed construction planning methods to large scale and highly repetitive PV projects analysis techniques to help inform key planning decisions.

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“…Коначни трошкови највише зависе од степена префабрикације. Што је префабрикација више искориштена, то су трошкови мањи [14]. Потребно је напоменути да су кориснички трошкови усвојени на основу претходних анализа и да зависе од много фактора.…”

Section: предности и недостаци префабрикованих мостоваunclassified

Спрегнути Друмски Мостови Са Префабрикованим Коловозним Плочама

Ковачевић¹

2013

AGG+

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Prefabricated Bridge Construction across Europe and America

Cited by 49 publications

References 3 publications

Experiments on a Hybrid-Composite Beam for Bridge Applications

Experiments on a Hybrid-Composite Beam for Bridge Applications

Lean Approach to Production Planning for Large Solar Photovoltaic Installations

Спрегнути Друмски Мостови Са Префабрикованим Коловозним Плочама

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