Fracture behavior of flax fibers reinforced earth concrete
•Effect of the percentage and length of flax fibers on the fracture behavior of earth concrete.•Monitoring of damage evolution and discrimination of different damage mechanisms with the acoustic emission technique.•Monitoring of the fracture process with the digital image correlation technique.•Impo...
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| Veröffentlicht in: | Engineering fracture mechanics 2021-01, Vol.241, p.107378, Article 107378 |
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| container_title | Engineering fracture mechanics |
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| creator | Kouta, Nathalie Saliba, Jacqueline Saiyouri, Nadia |
| description | •Effect of the percentage and length of flax fibers on the fracture behavior of earth concrete.•Monitoring of damage evolution and discrimination of different damage mechanisms with the acoustic emission technique.•Monitoring of the fracture process with the digital image correlation technique.•Importance of adding fibers to increase earth concrete ductility.•Correlation between the fracture energy and the acoustic emission energy.
The mechanical behavior of earth concrete for sustainable construction has been studied in this paper. The effect of flax fibers on the fracture behavior has been monitored using digital image correlation (DIC) and acoustic emission (AE) techniques to better understand the fracture process and damage mechanism. Three-point bending tests have been conducted on prismatic specimens with different percentages (0%, 0.3% and 0.6%) and lengths (12 mm, 24 mm, 50 mm) of flax fibers. The AE activity and fracture energy increased with the percentage and length of fibers. Moreover, the AE signal parameters varied with the loading rate and different damage mechanisms have been distinguished. Crack opening resistance also increased due to the bridging effect of fibers along developed cracks. Those results show the benefits of adding flax fibers to enhance the ductility of earth concrete. |
| doi_str_mv | 10.1016/j.engfracmech.2020.107378 |
| format | Article |
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The mechanical behavior of earth concrete for sustainable construction has been studied in this paper. The effect of flax fibers on the fracture behavior has been monitored using digital image correlation (DIC) and acoustic emission (AE) techniques to better understand the fracture process and damage mechanism. Three-point bending tests have been conducted on prismatic specimens with different percentages (0%, 0.3% and 0.6%) and lengths (12 mm, 24 mm, 50 mm) of flax fibers. The AE activity and fracture energy increased with the percentage and length of fibers. Moreover, the AE signal parameters varied with the loading rate and different damage mechanisms have been distinguished. Crack opening resistance also increased due to the bridging effect of fibers along developed cracks. Those results show the benefits of adding flax fibers to enhance the ductility of earth concrete.</description><identifier>ISSN: 0013-7944</identifier><identifier>EISSN: 1873-7315</identifier><identifier>DOI: 10.1016/j.engfracmech.2020.107378</identifier><language>eng</language><publisher>New York: Elsevier Ltd</publisher><subject>Acoustic emission ; Acoustic emission technique ; Concrete construction ; Damage ; Digital image correlation ; Digital imaging ; Earth concrete ; Earth reinforcement ; Engineering Sciences ; Fibers ; Flax ; Flax fibers ; Loading rate ; Mechanical properties ; Pollution monitoring</subject><ispartof>Engineering fracture mechanics, 2021-01, Vol.241, p.107378, Article 107378</ispartof><rights>2020 Elsevier Ltd</rights><rights>Copyright Elsevier BV Jan 2021</rights><rights>Attribution - NonCommercial</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c434t-e2cb94d98f3d40a02a485704b1a7516758cad828d734a4ca0335175242989dbb3</citedby><cites>FETCH-LOGICAL-c434t-e2cb94d98f3d40a02a485704b1a7516758cad828d734a4ca0335175242989dbb3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.engfracmech.2020.107378$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>230,314,780,784,885,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttps://hal.science/hal-03492906$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Kouta, Nathalie</creatorcontrib><creatorcontrib>Saliba, Jacqueline</creatorcontrib><creatorcontrib>Saiyouri, Nadia</creatorcontrib><title>Fracture behavior of flax fibers reinforced earth concrete</title><title>Engineering fracture mechanics</title><description>•Effect of the percentage and length of flax fibers on the fracture behavior of earth concrete.•Monitoring of damage evolution and discrimination of different damage mechanisms with the acoustic emission technique.•Monitoring of the fracture process with the digital image correlation technique.•Importance of adding fibers to increase earth concrete ductility.•Correlation between the fracture energy and the acoustic emission energy.
The mechanical behavior of earth concrete for sustainable construction has been studied in this paper. The effect of flax fibers on the fracture behavior has been monitored using digital image correlation (DIC) and acoustic emission (AE) techniques to better understand the fracture process and damage mechanism. Three-point bending tests have been conducted on prismatic specimens with different percentages (0%, 0.3% and 0.6%) and lengths (12 mm, 24 mm, 50 mm) of flax fibers. The AE activity and fracture energy increased with the percentage and length of fibers. Moreover, the AE signal parameters varied with the loading rate and different damage mechanisms have been distinguished. Crack opening resistance also increased due to the bridging effect of fibers along developed cracks. Those results show the benefits of adding flax fibers to enhance the ductility of earth concrete.</description><subject>Acoustic emission</subject><subject>Acoustic emission technique</subject><subject>Concrete construction</subject><subject>Damage</subject><subject>Digital image correlation</subject><subject>Digital imaging</subject><subject>Earth concrete</subject><subject>Earth reinforcement</subject><subject>Engineering Sciences</subject><subject>Fibers</subject><subject>Flax</subject><subject>Flax fibers</subject><subject>Loading rate</subject><subject>Mechanical properties</subject><subject>Pollution monitoring</subject><issn>0013-7944</issn><issn>1873-7315</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNqNkEtPwzAQhC0EEuXxH4I4cUhZPxI73KqKUqRKXOBsOc6aOGrj4qQV_HsSBSGOnHY1mhntfoTcUJhToPl9M8f23UVjd2jrOQM26pJLdUJmVEmeSk6zUzIDoMNeCHFOLrquAQCZK5iRh9WQ7Q8RkxJrc_QhJsElbms-E-dLjF0S0bcuRItVgib2dWJDayP2eEXOnNl2eP0zL8nb6vF1uU43L0_Py8UmtYKLPkVmy0JUhXK8EmCAGaEyCaKkRmY0l5myplJMVZILI6wBzjMqMyZYoYqqLPkluZt6a7PV--h3Jn7pYLxeLzZ61ICLghWQH-ngvZ28-xg-Dtj1ugmH2A7naSaUFDnNQA2uYnLZGLouovutpaBHrLrRf7DqEauesA7Z5ZTF4eWjx6g767Ed8PiIttdV8P9o-QbKfIQN</recordid><startdate>20210101</startdate><enddate>20210101</enddate><creator>Kouta, Nathalie</creator><creator>Saliba, Jacqueline</creator><creator>Saiyouri, Nadia</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><general>Elsevier</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7TB</scope><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope><scope>1XC</scope><scope>VOOES</scope></search><sort><creationdate>20210101</creationdate><title>Fracture behavior of flax fibers reinforced earth concrete</title><author>Kouta, Nathalie ; Saliba, Jacqueline ; Saiyouri, Nadia</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c434t-e2cb94d98f3d40a02a485704b1a7516758cad828d734a4ca0335175242989dbb3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Acoustic emission</topic><topic>Acoustic emission technique</topic><topic>Concrete construction</topic><topic>Damage</topic><topic>Digital image correlation</topic><topic>Digital imaging</topic><topic>Earth concrete</topic><topic>Earth reinforcement</topic><topic>Engineering Sciences</topic><topic>Fibers</topic><topic>Flax</topic><topic>Flax fibers</topic><topic>Loading rate</topic><topic>Mechanical properties</topic><topic>Pollution monitoring</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kouta, Nathalie</creatorcontrib><creatorcontrib>Saliba, Jacqueline</creatorcontrib><creatorcontrib>Saiyouri, Nadia</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Hyper Article en Ligne (HAL)</collection><collection>Hyper Article en Ligne (HAL) (Open Access)</collection><jtitle>Engineering fracture mechanics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kouta, Nathalie</au><au>Saliba, Jacqueline</au><au>Saiyouri, Nadia</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Fracture behavior of flax fibers reinforced earth concrete</atitle><jtitle>Engineering fracture mechanics</jtitle><date>2021-01-01</date><risdate>2021</risdate><volume>241</volume><spage>107378</spage><pages>107378-</pages><artnum>107378</artnum><issn>0013-7944</issn><eissn>1873-7315</eissn><abstract>•Effect of the percentage and length of flax fibers on the fracture behavior of earth concrete.•Monitoring of damage evolution and discrimination of different damage mechanisms with the acoustic emission technique.•Monitoring of the fracture process with the digital image correlation technique.•Importance of adding fibers to increase earth concrete ductility.•Correlation between the fracture energy and the acoustic emission energy.
The mechanical behavior of earth concrete for sustainable construction has been studied in this paper. The effect of flax fibers on the fracture behavior has been monitored using digital image correlation (DIC) and acoustic emission (AE) techniques to better understand the fracture process and damage mechanism. Three-point bending tests have been conducted on prismatic specimens with different percentages (0%, 0.3% and 0.6%) and lengths (12 mm, 24 mm, 50 mm) of flax fibers. The AE activity and fracture energy increased with the percentage and length of fibers. Moreover, the AE signal parameters varied with the loading rate and different damage mechanisms have been distinguished. Crack opening resistance also increased due to the bridging effect of fibers along developed cracks. Those results show the benefits of adding flax fibers to enhance the ductility of earth concrete.</abstract><cop>New York</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.engfracmech.2020.107378</doi><oa>free_for_read</oa></addata></record> |
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| source | Access via ScienceDirect (Elsevier) |
| subjects | Acoustic emission Acoustic emission technique Concrete construction Damage Digital image correlation Digital imaging Earth concrete Earth reinforcement Engineering Sciences Fibers Flax Flax fibers Loading rate Mechanical properties Pollution monitoring |
| title | Fracture behavior of flax fibers reinforced earth concrete |
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