Service life prediction of concrete wharves with early-aged crack: Probabilistic approach for chloride diffusion
Early-aged cracks due to hydration heat and drying shrinkage occur unavoidably in reinforced concrete (RC) structures. These cracks may be the main routes through which chloride ion penetrates into the concrete and also can be one of the major reasons of steel corrosion in RC structures exposed to c...
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| Veröffentlicht in: | Structural safety 2009, Vol.31 (1), p.75-83 |
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| container_title | Structural safety |
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| creator | Kwon, Seung Jun Na, Ung Jin Park, Sang Soon Jung, Sang Hwa |
| description | Early-aged cracks due to hydration heat and drying shrinkage occur unavoidably in reinforced concrete (RC) structures. These cracks may be the main routes through which chloride ion penetrates into the concrete and also can be one of the major reasons of steel corrosion in RC structures exposed to chloride, such as port and ocean structures. In this paper, the service life of RC structures exposed to the marine environment conditions is predicted considering the crack effect on chloride penetration. First, diffusion coefficients in sound and cracked concrete of wharf structures are obtained through field investigations. Then, through the relationship between diffusion coefficients and crack widths, service life of the cracked concrete is predicted in the probabilistic framework of Monte Carlo Simulation. Furthermore, the predicted service life derived from the field investigations is compared with the values obtained from the traditional method based on allowable crack width concept. |
| doi_str_mv | 10.1016/j.strusafe.2008.03.004 |
| format | Article |
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These cracks may be the main routes through which chloride ion penetrates into the concrete and also can be one of the major reasons of steel corrosion in RC structures exposed to chloride, such as port and ocean structures. In this paper, the service life of RC structures exposed to the marine environment conditions is predicted considering the crack effect on chloride penetration. First, diffusion coefficients in sound and cracked concrete of wharf structures are obtained through field investigations. Then, through the relationship between diffusion coefficients and crack widths, service life of the cracked concrete is predicted in the probabilistic framework of Monte Carlo Simulation. Furthermore, the predicted service life derived from the field investigations is compared with the values obtained from the traditional method based on allowable crack width concept.</description><identifier>ISSN: 0167-4730</identifier><identifier>EISSN: 1879-3355</identifier><identifier>DOI: 10.1016/j.strusafe.2008.03.004</identifier><identifier>CODEN: STSADI</identifier><language>eng</language><publisher>Amsterdam: Elsevier Ltd</publisher><subject>Applied sciences ; Building structure ; Buildings. Public works ; Chloride ; Computation methods. Tables. Charts ; Construction (buildings and works) ; Crack width ; Cracked concrete ; Durability of constructions ; Durability. Pathology. Repairing. Maintenance ; Exact sciences and technology ; Hydraulic constructions ; Port facilities and coastal structures. Lighthouses and beacons ; Probability ; Reinforced concrete structure ; Service life ; Structural analysis. 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These cracks may be the main routes through which chloride ion penetrates into the concrete and also can be one of the major reasons of steel corrosion in RC structures exposed to chloride, such as port and ocean structures. In this paper, the service life of RC structures exposed to the marine environment conditions is predicted considering the crack effect on chloride penetration. First, diffusion coefficients in sound and cracked concrete of wharf structures are obtained through field investigations. Then, through the relationship between diffusion coefficients and crack widths, service life of the cracked concrete is predicted in the probabilistic framework of Monte Carlo Simulation. Furthermore, the predicted service life derived from the field investigations is compared with the values obtained from the traditional method based on allowable crack width concept.</description><subject>Applied sciences</subject><subject>Building structure</subject><subject>Buildings. Public works</subject><subject>Chloride</subject><subject>Computation methods. Tables. Charts</subject><subject>Construction (buildings and works)</subject><subject>Crack width</subject><subject>Cracked concrete</subject><subject>Durability of constructions</subject><subject>Durability. Pathology. Repairing. Maintenance</subject><subject>Exact sciences and technology</subject><subject>Hydraulic constructions</subject><subject>Port facilities and coastal structures. Lighthouses and beacons</subject><subject>Probability</subject><subject>Reinforced concrete structure</subject><subject>Service life</subject><subject>Structural analysis. 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Public works</topic><topic>Chloride</topic><topic>Computation methods. Tables. Charts</topic><topic>Construction (buildings and works)</topic><topic>Crack width</topic><topic>Cracked concrete</topic><topic>Durability of constructions</topic><topic>Durability. Pathology. Repairing. Maintenance</topic><topic>Exact sciences and technology</topic><topic>Hydraulic constructions</topic><topic>Port facilities and coastal structures. Lighthouses and beacons</topic><topic>Probability</topic><topic>Reinforced concrete structure</topic><topic>Service life</topic><topic>Structural analysis. Stresses</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kwon, Seung Jun</creatorcontrib><creatorcontrib>Na, Ung Jin</creatorcontrib><creatorcontrib>Park, Sang Soon</creatorcontrib><creatorcontrib>Jung, Sang Hwa</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Health and Safety Science Abstracts (Full archive)</collection><collection>Safety Science and Risk</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Corrosion Abstracts</collection><collection>Earthquake Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>Structural safety</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kwon, Seung Jun</au><au>Na, Ung Jin</au><au>Park, Sang Soon</au><au>Jung, Sang Hwa</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Service life prediction of concrete wharves with early-aged crack: Probabilistic approach for chloride diffusion</atitle><jtitle>Structural safety</jtitle><date>2009</date><risdate>2009</risdate><volume>31</volume><issue>1</issue><spage>75</spage><epage>83</epage><pages>75-83</pages><issn>0167-4730</issn><eissn>1879-3355</eissn><coden>STSADI</coden><abstract>Early-aged cracks due to hydration heat and drying shrinkage occur unavoidably in reinforced concrete (RC) structures. These cracks may be the main routes through which chloride ion penetrates into the concrete and also can be one of the major reasons of steel corrosion in RC structures exposed to chloride, such as port and ocean structures. In this paper, the service life of RC structures exposed to the marine environment conditions is predicted considering the crack effect on chloride penetration. First, diffusion coefficients in sound and cracked concrete of wharf structures are obtained through field investigations. Then, through the relationship between diffusion coefficients and crack widths, service life of the cracked concrete is predicted in the probabilistic framework of Monte Carlo Simulation. Furthermore, the predicted service life derived from the field investigations is compared with the values obtained from the traditional method based on allowable crack width concept.</abstract><cop>Amsterdam</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.strusafe.2008.03.004</doi><tpages>9</tpages></addata></record> |
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| source | Elsevier ScienceDirect Journals |
| subjects | Applied sciences Building structure Buildings. Public works Chloride Computation methods. Tables. Charts Construction (buildings and works) Crack width Cracked concrete Durability of constructions Durability. Pathology. Repairing. Maintenance Exact sciences and technology Hydraulic constructions Port facilities and coastal structures. Lighthouses and beacons Probability Reinforced concrete structure Service life Structural analysis. Stresses |
| title | Service life prediction of concrete wharves with early-aged crack: Probabilistic approach for chloride diffusion |
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