Strengthening of Concrete Element with Precast Textile Reinforced Concrete Panel and Grouting Material
Textile reinforced concrete (TRC) has widely been used for strengthening work for deteriorated reinforced concrete (RC) structures. The structural strengthening often requires accelerated construction with the aid of precast or prefabricated elements. This study presents an innovative method to stre...
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| Veröffentlicht in: | Materials 2020-09, Vol.13 (17), p.3856, Article 3856 |
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| creator | You, Young-Jun Kim, Hyeong-Yeol Ryu, Gum-Sung Koh, Kyung-Taek Ahn, Gi-Hong Kang, Se-Hoon |
| description | Textile reinforced concrete (TRC) has widely been used for strengthening work for deteriorated reinforced concrete (RC) structures. The structural strengthening often requires accelerated construction with the aid of precast or prefabricated elements. This study presents an innovative method to strengthen an RC slab-type element in flexure using a precast panel made of carbon TRC. A total of five RC slabs were fabricated to examine the flexural strengthening effect. Two of them were strengthened with the precast panel and grouting material and another set of two slabs was additionally strengthened by tensile steel reinforcement. The full-scale slab specimens were tested by a three-point bending test and the test results were compared with the theoretical solutions. The results revealed that the ultimate load of the specimens strengthened with the TRC panel increased by at least 1.5 times compared to that of the unstrengthened specimen. The application of the precast TRC panel and grouting material for the strengthening of a prototype RC structure verified its outstanding constructability. |
| doi_str_mv | 10.3390/ma13173856 |
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The structural strengthening often requires accelerated construction with the aid of precast or prefabricated elements. This study presents an innovative method to strengthen an RC slab-type element in flexure using a precast panel made of carbon TRC. A total of five RC slabs were fabricated to examine the flexural strengthening effect. Two of them were strengthened with the precast panel and grouting material and another set of two slabs was additionally strengthened by tensile steel reinforcement. The full-scale slab specimens were tested by a three-point bending test and the test results were compared with the theoretical solutions. The results revealed that the ultimate load of the specimens strengthened with the TRC panel increased by at least 1.5 times compared to that of the unstrengthened specimen. The application of the precast TRC panel and grouting material for the strengthening of a prototype RC structure verified its outstanding constructability.</description><identifier>ISSN: 1996-1944</identifier><identifier>EISSN: 1996-1944</identifier><identifier>DOI: 10.3390/ma13173856</identifier><identifier>PMID: 32882895</identifier><language>eng</language><publisher>BASEL: Mdpi</publisher><subject>Carbon fibers ; Chemistry ; Chemistry, Physical ; Concrete ; Corrosion ; Flexing ; Grouting ; Materials Science ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering ; Physical Sciences ; Physics ; Physics, Applied ; Physics, Condensed Matter ; Polyvinyl alcohol ; Precast concrete ; Prefabrication ; Reinforced concrete ; Reinforcing steels ; Science & Technology ; Strengthening ; Technology ; Ultimate loads</subject><ispartof>Materials, 2020-09, Vol.13 (17), p.3856, Article 3856</ispartof><rights>2020. This work is licensed under http://creativecommons.org/licenses/by/3.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>2020 by the authors. 2020</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>true</woscitedreferencessubscribed><woscitedreferencescount>9</woscitedreferencescount><woscitedreferencesoriginalsourcerecordid>wos000571259300001</woscitedreferencesoriginalsourcerecordid><citedby>FETCH-LOGICAL-c383t-122fc04fe4ecd3e351846a90f3a805751e21f83f0deb3f05b17255a288b694bc3</citedby><cites>FETCH-LOGICAL-c383t-122fc04fe4ecd3e351846a90f3a805751e21f83f0deb3f05b17255a288b694bc3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC7504188/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC7504188/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,315,728,781,785,886,27928,27929,53795,53797</link.rule.ids></links><search><creatorcontrib>You, Young-Jun</creatorcontrib><creatorcontrib>Kim, Hyeong-Yeol</creatorcontrib><creatorcontrib>Ryu, Gum-Sung</creatorcontrib><creatorcontrib>Koh, Kyung-Taek</creatorcontrib><creatorcontrib>Ahn, Gi-Hong</creatorcontrib><creatorcontrib>Kang, Se-Hoon</creatorcontrib><title>Strengthening of Concrete Element with Precast Textile Reinforced Concrete Panel and Grouting Material</title><title>Materials</title><addtitle>MATERIALS</addtitle><description>Textile reinforced concrete (TRC) has widely been used for strengthening work for deteriorated reinforced concrete (RC) structures. The structural strengthening often requires accelerated construction with the aid of precast or prefabricated elements. This study presents an innovative method to strengthen an RC slab-type element in flexure using a precast panel made of carbon TRC. A total of five RC slabs were fabricated to examine the flexural strengthening effect. Two of them were strengthened with the precast panel and grouting material and another set of two slabs was additionally strengthened by tensile steel reinforcement. The full-scale slab specimens were tested by a three-point bending test and the test results were compared with the theoretical solutions. The results revealed that the ultimate load of the specimens strengthened with the TRC panel increased by at least 1.5 times compared to that of the unstrengthened specimen. The application of the precast TRC panel and grouting material for the strengthening of a prototype RC structure verified its outstanding constructability.</description><subject>Carbon fibers</subject><subject>Chemistry</subject><subject>Chemistry, Physical</subject><subject>Concrete</subject><subject>Corrosion</subject><subject>Flexing</subject><subject>Grouting</subject><subject>Materials Science</subject><subject>Materials Science, Multidisciplinary</subject><subject>Metallurgy & Metallurgical Engineering</subject><subject>Physical Sciences</subject><subject>Physics</subject><subject>Physics, Applied</subject><subject>Physics, Condensed Matter</subject><subject>Polyvinyl alcohol</subject><subject>Precast concrete</subject><subject>Prefabrication</subject><subject>Reinforced concrete</subject><subject>Reinforcing steels</subject><subject>Science & Technology</subject><subject>Strengthening</subject><subject>Technology</subject><subject>Ultimate loads</subject><issn>1996-1944</issn><issn>1996-1944</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>AOWDO</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNqNkU9rFTEUxQdRbKnd-AkCbkR5NX9nko0gQ20LlRat65DJ3LyXMpPUJNPqt28er7TqqlncBO7vHu7JaZq3BB8xpvCn2RBGOiZF-6LZJ0q1K6I4f_nXe685zPka18MYkVS9bvYYlZJKJfYb96MkCOuygeDDGkWH-hhsggLoeIIZQkF3vmzQZQJrckFX8Lv4CdB38MHFZGF8Grg0ASZkwohOUlzKVu-bKZC8md40r5yZMhw-3AfNz6_HV_3p6vzi5Kz_cr6yTLKyIpQ6i7kDDnZkwASRvDUKO2YkFp0gQImTzOERhlrFQDoqhKluhlbxwbKD5vNO92YZZhht3T-ZSd8kP5v0R0fj9b-d4Dd6HW91JzAnUlaB9w8CKf5aIBc9-2xhmqq3uGRNOce8qx-_Rd_9h17HJYVqb0dh2SpRqQ87yqaYcwL3uAzBepugfkqwwh938B0M0WXrIVh4HKgJio5Qodg2TFJp-Xy698UUH0Mfl1DYPQBvraE</recordid><startdate>20200901</startdate><enddate>20200901</enddate><creator>You, Young-Jun</creator><creator>Kim, Hyeong-Yeol</creator><creator>Ryu, Gum-Sung</creator><creator>Koh, Kyung-Taek</creator><creator>Ahn, Gi-Hong</creator><creator>Kang, Se-Hoon</creator><general>Mdpi</general><general>MDPI AG</general><general>MDPI</general><scope>AOWDO</scope><scope>BLEPL</scope><scope>DTL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7X8</scope><scope>5PM</scope></search><sort><creationdate>20200901</creationdate><title>Strengthening of Concrete Element with Precast Textile Reinforced Concrete Panel and Grouting Material</title><author>You, Young-Jun ; 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The structural strengthening often requires accelerated construction with the aid of precast or prefabricated elements. This study presents an innovative method to strengthen an RC slab-type element in flexure using a precast panel made of carbon TRC. A total of five RC slabs were fabricated to examine the flexural strengthening effect. Two of them were strengthened with the precast panel and grouting material and another set of two slabs was additionally strengthened by tensile steel reinforcement. The full-scale slab specimens were tested by a three-point bending test and the test results were compared with the theoretical solutions. The results revealed that the ultimate load of the specimens strengthened with the TRC panel increased by at least 1.5 times compared to that of the unstrengthened specimen. 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| source | Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; PubMed Central Open Access; MDPI - Multidisciplinary Digital Publishing Institute; PubMed Central; Free Full-Text Journals in Chemistry |
| subjects | Carbon fibers Chemistry Chemistry, Physical Concrete Corrosion Flexing Grouting Materials Science Materials Science, Multidisciplinary Metallurgy & Metallurgical Engineering Physical Sciences Physics Physics, Applied Physics, Condensed Matter Polyvinyl alcohol Precast concrete Prefabrication Reinforced concrete Reinforcing steels Science & Technology Strengthening Technology Ultimate loads |
| title | Strengthening of Concrete Element with Precast Textile Reinforced Concrete Panel and Grouting Material |
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