16 Ekim 2020 Tez Açık Erişim

Tarhan, Yeşim

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    "description": "<p><strong>Ama&ccedil;:</strong> Geleneksel betona nispetle sahip oldu\u011fu &uuml;st&uuml;n &ouml;zellikleri nedeniyle 3 boyutlu eklemeli imalat betonuna (3D beton) olan ilgi d&uuml;nya genelinde h\u0131zla artmaktad\u0131r. Bu &ccedil;al\u0131\u015fmada 3D betonlar\u0131n fiziko-mekanik &ouml;zelliklerinin incelenmesi ama&ccedil;lanm\u0131\u015ft\u0131r.</p>\n\n<p><strong>Y&ouml;ntem</strong>: Hava s&uuml;r&uuml;kleyici katk\u0131 maddesi (AEA) oran\u0131, k&uuml;r uygulamas\u0131 ve karot do\u011frultusu parametre olarak se&ccedil;ilmi\u015f ve bu fakt&ouml;rlerin, ba\u015fta donma-&ccedil;&ouml;z&uuml;lme (D-&Ccedil;) direnci ve bo\u015fluk yap\u0131s\u0131 olmak &uuml;zere, 3D betonlar\u0131n bir tak\u0131m m&uuml;hendislik &ouml;zellikleri &uuml;zerindeki etkileri ara\u015ft\u0131r\u0131lm\u0131\u015ft\u0131r. D-&Ccedil; deneylerinde ASTM C 666/Prosed&uuml;r B uygulanm\u0131\u015ft\u0131r. Bo\u015fluk yap\u0131s\u0131 incelemeleri BET, MIP ve SEM analizlerine dayan\u0131larak yap\u0131lm\u0131\u015ft\u0131r. &Ccedil;al\u0131\u015fmada klasik taze ve sertle\u015fmi\u015f beton deneylerinin yan\u0131nda 3D beton &ouml;zelliklerini belirleyen ekstr&uuml;zyon kabiliyeti, in\u015fa edilebilirlik, i\u015flenebilirlik ve bask\u0131 al\u0131nabilme s&uuml;resi deneyleri yap\u0131lm\u0131\u015ft\u0131r. %0, %0,1, %0,15 ve %0,2&rsquo;si oranlar\u0131nda AEA kullan\u0131larak &uuml;retilen k&uuml;rl&uuml; ve k&uuml;rs&uuml;z 600&times;600&times;150 mm&rsquo;lik 3D beton plaklardan 28. g&uuml;n sonunda yatay ve dikey do\u011frultularda karot numuneleri al\u0131narak deneyler yap\u0131lm\u0131\u015ft\u0131r.</p>\n\n<p><strong>Bulgular: </strong>&Uuml;retim a\u015famas\u0131nda al\u0131nan k&uuml;p &ouml;rneklerin bas\u0131n&ccedil; dayan\u0131m\u0131 11,8 MPa - 54,5 MPa aras\u0131nda de\u011fi\u015fmi\u015ftir. Ayn\u0131 kar\u0131\u015f\u0131mlar\u0131n karot dayan\u0131mlar\u0131 ise %6-%50 aras\u0131nda de\u011fi\u015fen oranlarda bu de\u011ferlerden daha d&uuml;\u015f&uuml;k &ccedil;\u0131km\u015ft\u0131r. &Uuml;retilen numunelerin b&uuml;y&uuml;k bir b&ouml;l&uuml;m&uuml; 70. &ccedil;evrimden sonra tabakalar aras\u0131 birle\u015fim yerlerinden ayr\u0131l\u0131rarak hasara u\u011fram\u0131\u015f ancak s\u0131n\u0131rl\u0131 say\u0131daki &ouml;rnek 300. &ccedil;evrime kadar dayanabilmi\u015ftir.</p>\n\n<p><strong>Sonu&ccedil;</strong>: D-&Ccedil; etkisine diren&ccedil;li ve yeterli bas\u0131n&ccedil; dayan\u0131m\u0131na sahip 3D betonlar &uuml;retilmesi i&ccedil;in d&uuml;\u015f&uuml;k dozda (%0,1) AEA maddesinin kullan\u0131lmas\u0131 tavsiye edilmi\u015ftir. 3D beton elemanlar katman katman biriktirme y&ouml;ntemiyle &uuml;retildiklerinden biti\u015fik iki katman aras\u0131nda kusurlu hatlar (so\u011fuk derz) olu\u015fmu\u015ftur. Bu kusurlu yap\u0131 3D betonlar\u0131n belirgin anizotropik malzeme &ouml;zelli\u011fi sergilemesine yol a&ccedil;t\u0131\u011f\u0131ndan incelenen b&uuml;t&uuml;n &ouml;zellikler y&ouml;ne ba\u011fl\u0131 olarak de\u011fi\u015fmi\u015ftir. 3D betonlar i&ccedil;in &ouml;zel kimyasal katk\u0131 malzemelerinin &uuml;retilmesi ve geleneksel y&ouml;ntemlere alternatif deney y&ouml;ntemlerinin geli\u015ftirilmesi gerekti\u011fi sonucuna var\u0131lm\u0131\u015ft\u0131r.&nbsp;</p>", 
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    "keywords": [
      "3 boyutlu eklemeli imalat betonu", 
      "3D beton", 
      "donma-\u00e7\u00f6z\u00fclme", 
      "karot", 
      "hava s\u00fcr\u00fckleyici katk\u0131", 
      "bo\u015fluk-boyut da\u011f\u0131l\u0131m\u0131"
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    "license": {
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    "notes": "Bu \u00e7al\u0131\u015fma BAP projeleri kapsam\u0131nda desteklenmi\u015ftir. \nProje No: FHD-2019-7411", 
    "publication_date": "2020-10-16", 
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      "Teknik Bilimler > \u0130n\u015faat M\u00fchendisli\u011fi > Yap\u0131 Malzemesi > Yap\u0131 Malzemeleri", 
      "Teknik Bilimler > \u0130n\u015faat M\u00fchendisli\u011fi > Yap\u0131 Malzemesi > Beton Teknolojisi"
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          "name": "\u015eahin,Remzi", 
          "orcid": "0000-0001-5400-7732"
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      "university": "Atat\u00fcrk \u00dcniversitesi"
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    "title": "Dijital \u00fcretimli \u00e7imento esasl\u0131 kompozitlerin donma-\u00e7\u00f6z\u00fclme direnci ve bo\u015fluk yap\u0131lar\u0131n\u0131n incelenmesi"
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