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MRS Advances © 2020 Materials Research Society DOI: 10.1557/adv.2020.178

Performance of Repair Mortar with Natural Fibers Kenai A1, Rezagui M1, Yahiaoui W1, Menadi B1, Kenai S1* ͳ ‡‘ƒ–‡”‹ƒŽ•ƒ†…‹˜‹Ž‡‰‹‡‡”‹‰Žƒ„‘”ƒ–‘”›ǡ‹˜‡”•‹–›‘ˆŽ‹†ƒͳǡŽ‰‡”‹ƒ

ȗ‘””‡•’‘†‹‰ƒ—–Š‘”

 ‘…”‡–‡ ‹• –Š‡ ‘•– —•‡† ƒ–‡”‹ƒŽ ‹ –Š‡ ™‘”Ž† ƒˆ–‡” ™ƒ–‡” „‡…ƒ—•‡ ‘ˆ ‹–• ‰‘‘† ‡…Šƒ‹…ƒŽ …Šƒ”ƒ…–‡”‹•–‹…• ƒ† ‹–• ”‡ƒ•‘ƒ„Ž‡ …‘•–Ǥ ‘™‡˜‡”ǡ ”‡‹ˆ‘”…‡† …‘…”‡–‡ •–”—…–—”‡• …ƒ „‡ †ƒƒ‰‡† „› …‘””‘•‹‘ ‘” ‘–Š‡” …Š‡‹…ƒŽ ƒ––ƒ…• ƒ† ”‡“—‹”‡ ”‡’ƒ‹” ƒ† ƒ‹–‡ƒ…‡Ǥ Š‡ ”‡’ƒ‹” ƒ–‡”‹ƒŽ• ‡‡† –‘ •ƒ–‹•ˆ› •‘‡ ‡…Šƒ‹…ƒŽ ƒ† ’Š›•‹…‘Ǧ …Š‡‹…ƒŽ…Šƒ”ƒ…–‡”‹•–‹…•Ǥ‡ƒ†›Ǧƒ†‡”‡’ƒ‹”‘”–ƒ”•ƒ”‡™‹†‡Ž›—•‡†Ǥ‘™‡˜‡”ǡ–Š‡›ƒ”‡ “—‹–‡ ‡š’‡•‹˜‡ǡ ‰‡‡”ƒŽŽ› ‹’‘”–‡† ƒ† –Š‡› ˆ”‡“—‡–Ž› ‹…‘”’‘”ƒ–‡ Ž‘™ ˜‘Ž—‡ ‘ˆ •›–Š‡–‹… ˆ‹„‡”•Ǥ Š‹• ’ƒ’‡” ”‡’‘”–• ƒ ‡š’‡”‹‡–ƒŽ ‹˜‡•–‹‰ƒ–‹‘ †‡•‹‰‹‰ ƒ ‡˜‹”‘‡–ƒŽˆ”‹‡†Ž›”‡’ƒ‹”‘”–ƒ”ƒ†‡‘ˆŽ‘…ƒŽ‹‡”ƒŽƒ††‹–‹‘ሺƒ–—”ƒŽ’‘œœ‘Žƒ ሺሻƒ†•Žƒ‰ሺሻሻƒ†Ž‘…ƒŽƒ–—”ƒŽˆ‹„‡”•ǤŠ‡ƒ–—”ƒŽˆ‹„‡”•—•‡†ƒ”‡Žˆƒˆ‹„‡”•ƒ† †ƒ–‡’ƒŽ–”‡‡ˆ‹„‡”•ƒ–ƒ˜‘Ž—‡”ƒ–‹‘‘ˆͲǤ͹ͷΨǤŠ‡’Š›•‹…ƒŽƒ†‡…Šƒ‹…ƒŽ’”‘’‡”–‹‡• •–—†‹‡†ƒ”‡…‘’”‡••‹˜‡•–”‡‰–Šǡ„‡†‹‰•–”‡‰–Šǡ–‘–ƒŽ•Š”‹ƒ‰‡ƒ†„‘†•–”‡‰–Š „› •Žƒ– •Š‡ƒ” ƒ† ’—ŽŽǦ‘ˆˆ –‡•–•Ǥ Š‡ †—”ƒ„‹Ž‹–› ‘ˆ –Š‡ ‘”–ƒ” ™ƒ• ƒ••‡••‡† „› ™ƒ–‡” …ƒ’‹ŽŽƒ”› ƒ„•‘”’–‹‘Ǥ Š‡ ”‡•—Ž–• ƒ”‡ …‘’ƒ”‡† –‘ –Š‘•‡ ‘ˆ ƒ ”‡ˆ‡”‡…‡ ‘”–ƒ”Ǥ Š‡ ”‡•—Ž–• •Š‘™‡†–Šƒ– –Š‡ •—„•–‹–—–‹‘ ‘ˆ …‡‡–„› •Žƒ‰ ƒ† ƒ–—”ƒŽ ’‘œœ‘Žƒ Ž‡ƒ† –‘ƒ †‡…”‡ƒ•‡‹•Š”‹ƒ‰‡ሺƒ–ʹͺ†ƒ›•‘ˆƒ‰‡ሻǤŠ‡—•‡‘ˆ†ƒ–‡’ƒŽƒ†ƒŽˆƒˆ‹„‡”•‹’”‘˜‡• –Š‡„‡†‹‰•–”‡‰–Š„—–”‡†—…‡•…‘’”‡••‹˜‡•–”‡‰–ŠǤ……‘”†‹‰–‘–Š‡”‡•—Ž–•‘ˆ–Š‡ ’—ŽŽǦ‘ˆˆ–‡•–•ǡ‘Ž›‘”–ƒ”•…‘–ƒ‹‹‰•Žƒ‰‡‡––Š‡‹‹—˜ƒŽ—‡ሺͳǤͷƒሻ”‡“—‹”‡† „›ͳͷͲͶǦ͵ǤŠ‡–›’‡•‘ˆˆƒ‹Ž—”‡•‘„•‡”˜‡†ˆ‘”‘•–…‘’‘•‹–‡••Š‘™–Šƒ––Š‡›…ƒ„‡ •—……‡••ˆ—ŽŽ›ƒ’’Ž‹‡†™‹–ŠʹͲ–Š‹…Žƒ›‡”•Ǥ ͳ   ‘…”‡–‡‹•–Š‡‘•–…‘•—‡†ƒ–‡”‹ƒŽƒˆ–‡”™ƒ–‡”ƒ•‹–•…‘•–‹–—‡–•ƒ”‡ ƒ„—†ƒ– ƒ– ƒ ‘†‡”ƒ–‡ …‘•–Ǥ ‘™‡˜‡”ǡ ”‡‹ˆ‘”…‡† …‘…”‡–‡ •–”—…–—”‡• …ƒ „‡ †ƒƒ‰‡†„›•‡‹•‹…ƒ…–‹‘•ǡ…‘””‘•‹‘‘”…Š‡‹…ƒŽƒ––ƒ…ǤŠ‡†ƒƒ‰‡‹•‰‡‡”ƒŽŽ› ”‡Žƒ–‡†–‘–Š‡’‘‘”“—ƒŽ‹–›‘ˆ…‘…”‡–‡ƒ†‹–•†‡ˆ‡…–‹˜‡†‡•‹‰ǤŠ‡”‡ˆ‘”‡ǡ”‡’ƒ‹”‘” 1295

Downloaded from https://www.cambridge.org/core. Rice University, on 17 May 2020 at 16:44:27, subject to the Cambridge Core terms of use, available at https://www.cambridge.org/core/terms. https://doi.org/10.1557/adv.2020.178

•–”‡‰–Š‡‹‰‘’‡”ƒ–‹‘•ƒ”‡‡…‡••ƒ”›–‘‹…”‡ƒ•‡–Š‡Ž‹ˆ‡‘ˆ–Š‡•–”—…–—”‡•Ǥ‡’ƒ‹” ‘”–ƒ” ‹• —•—ƒŽŽ› —•‡† ˆ‘””‡’ƒ‹”‹‰ …‘””‘•‹‘ ƒ† Š‘‡›…‘„‹‰ †‡ˆ‡…–•Ǥ  ‡’ƒ‹” ‘”–ƒ”• ƒ”‡ ƒ˜ƒ‹Žƒ„Ž‡ ‘ –Š‡ ƒ”‡– „—– –Š‡‹” …‘•– ‹• —•—ƒŽŽ› Š‹‰ŠǤ Š‡ …Š‘‹…‡ ‘ˆ ‘”–ƒ”•ƒ†”‡’ƒ‹”‡–Š‘†•‹•‡••‡–‹ƒŽˆ‘”ƒ‰‘‘†”‡’ƒ‹”ǤŠ‡…‘””‡…–”‡’ƒ‹”‘”–ƒ” …Š‘‹…‡ ‹• „ƒ•‡† ‘ ‹–• ™‘”ƒ„‹Ž‹–›ǡ •–”‡‰–Šǡ „‘† –‘ –Š‡ ‘”‹‰‹ƒŽ …‘…”‡–‡ǡ Ž‘™ •Š”‹ƒ‰‡ ƒ† Ž‘™ ‡Žƒ•–‹… ‘†—Ž—•Ǥ

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