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| Description
| - This paper presents development of service life estimation of HPC bridge decks on I-99 in Center County Pennsylvania. The 10 best performing HPC mixtures were chosen for implementation on several bridge decks constructed as part of the Interstate 99 highway project in Centre County Pennsylvania in 2004. A finite element diffusion model is under development in order to estimate the corrosion initiation time for these bridge decks within their intended service life. This model is established in conjunction with a probabilistic method called Simulation Based Reliability Assessment (SBRA) to address the inherited randomness of input variables. The reliability model focused on uncertainties in the governing input parameters. Early age concrete diffusivity, concrete cover depth, crack spacing probabilistic distributions are based on the in-situ measurements. While other parameters such as holidays in reinforcements, coatings and critical chloride threshold level in epoxy coated reinforcement are based on the litreture review. Results from this probabilistic analysis depict these HPC bridge decks are capable of lasting 75 to 100 years in harsh north-eastern chloride laden bridge deck environments. There are also periodical in-situ durability investigation outcomes from summer 2010 which showed high electrical resistivity, low chloride concentrations and fewer cracks of these bridge decks after 5 years of service.
- This paper presents development of service life estimation of HPC bridge decks on I-99 in Center County Pennsylvania. The 10 best performing HPC mixtures were chosen for implementation on several bridge decks constructed as part of the Interstate 99 highway project in Centre County Pennsylvania in 2004. A finite element diffusion model is under development in order to estimate the corrosion initiation time for these bridge decks within their intended service life. This model is established in conjunction with a probabilistic method called Simulation Based Reliability Assessment (SBRA) to address the inherited randomness of input variables. The reliability model focused on uncertainties in the governing input parameters. Early age concrete diffusivity, concrete cover depth, crack spacing probabilistic distributions are based on the in-situ measurements. While other parameters such as holidays in reinforcements, coatings and critical chloride threshold level in epoxy coated reinforcement are based on the litreture review. Results from this probabilistic analysis depict these HPC bridge decks are capable of lasting 75 to 100 years in harsh north-eastern chloride laden bridge deck environments. There are also periodical in-situ durability investigation outcomes from summer 2010 which showed high electrical resistivity, low chloride concentrations and fewer cracks of these bridge decks after 5 years of service. (en)
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| Title
| - Development of Service Life Model of I-99 HPC Bridge Decks in Pennsylvania
- Development of Service Life Model of I-99 HPC Bridge Decks in Pennsylvania (en)
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| skos:prefLabel
| - Development of Service Life Model of I-99 HPC Bridge Decks in Pennsylvania
- Development of Service Life Model of I-99 HPC Bridge Decks in Pennsylvania (en)
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| skos:notation
| - RIV/61989100:27120/13:86083934!RIV14-MSM-27120___
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| http://linked.open...avai/predkladatel
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/61989100:27120/13:86083934
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - initiation.; chlorides; reinforcement; crack; corrosion; Reinforced concrete (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...in/vavai/riv/obor
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| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...vavai/riv/projekt
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| http://linked.open...UplatneniVysledku
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| http://linked.open...iv/tvurceVysledku
| - Konečný, Petr
- Ghosh, Pratanu
- Tikalsky, Paul
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| http://localhost/t...ganizacniJednotka
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