{"id":2577,"date":"2013-03-06T01:33:22","date_gmt":"2013-03-05T23:33:22","guid":{"rendered":"http:\/\/www.ilkkimbuldu.com\/?p=2577"},"modified":"2018-10-08T13:36:30","modified_gmt":"2018-10-08T11:36:30","slug":"cimentoyu-kim-buldu","status":"publish","type":"post","link":"https:\/\/www.ilkkimbuldu.com\/?p=2577","title":{"rendered":"\u00c7imentoyu kim buldu"},"content":{"rendered":"<p>\u00c7imento genel anlamda ba\u011flay\u0131c\u0131 maddelere verilen isimdir.\u00a0Bunlar yayg\u0131n olarak tan\u0131nan ve kullan\u0131lan silikat hidrat esasl\u0131 portland \u00e7imentosu olabildi\u011fi gibi, poliner\u00a0esasl\u0131 plastik ve asfalt da olabilir. Genellikle bu terim g\u00fcn\u00fcm\u00fczde su ile kar\u0131\u015ft\u0131r\u0131ld\u0131\u011f\u0131nda su ile kimy\u00e2sal\u00a0olarak birle\u015ferek ba\u011flay\u0131c\u0131l\u0131k \u00f6zelli\u011fi kazanan hidrolik ba\u011flay\u0131c\u0131lara verilen isimdir.<\/p>\n<p>Havada oldu\u011fu gibi\u00a0su i\u00e7inde de sertle\u015fen \u00e7imentolar silikatl\u0131 ve al\u00fcminatl\u0131 kire\u00e7 bile\u015fi\u011fine s\u00e2hiptir. B\u00e2z\u0131 oksit mineraller de\u00a0hidrolik \u00e7imento \u00f6zelli\u011fine s\u00e2hipse de normal \u00e7imento ile yar\u0131\u015facak durumda de\u011fildir. Hidrolik\u00a0\u00e7imentolar\u0131n \u00e7o\u011fu su, kum ve \u00e7ak\u0131l ile ber\u00e2ber beton \u00fcretiminde kullan\u0131l\u0131r. Burada \u00e7imento hamuru,\u00a0agrega denilen ayr\u0131k elemanlar\u0131 birbirine ba\u011flar.<\/p>\n<p>Esas olarak, do\u011fal kalker ta\u015flar\u0131 ve kil kar\u0131\u015f\u0131m\u0131n\u0131n y\u00fcksek s\u0131cakl\u0131kta \u0131s\u0131t\u0131ld\u0131ktan sonra \u00f6\u011f\u00fct\u00fclmesi ile elde edilen hidrolik bir ba\u011flay\u0131c\u0131 malzeme olarak tan\u0131mlan\u0131r.\u00a0\u00c7imento tanelerinin g\u00f6z a\u00e7\u0131kl\u0131\u011f\u0131 5 ila 90 mikron aras\u0131ndad\u0131r.<\/p>\n<p>Di\u011fer ba\u011flay\u0131c\u0131 maddeler gibi \u00e7imentolar da, CaO, MgO gibi alkalin \u00f6\u011feler ve SiO<sub>2<\/sub>, Al<sub>2<\/sub>O<sub>3<\/sub> ve Fe<sub>2<\/sub>O<sub>3<\/sub> gibi hidrolik \u00f6\u011felerden olu\u015fur. \u00c7imento ba\u011flay\u0131c\u0131l\u0131k g\u00f6revini su ile tepkimeye girdikten sonra kazand\u0131\u011f\u0131 i\u00e7in hidrolik ba\u011flay\u0131c\u0131 olarak adland\u0131r\u0131l\u0131r. Alkalin ve hidrolik \u00f6\u011felerin oranlar\u0131 ba\u011flay\u0131c\u0131 maddenin niteli\u011fini belirler.<\/p>\n<p>\u00c7imento, su ile kar\u0131\u015ft\u0131r\u0131l\u0131p plastik hamur durumuna geldikten bir s\u00fcre sonra havada ya da su i\u00e7inde yava\u015f yava\u015f kat\u0131la\u015f\u0131r. Bu kat\u0131la\u015fma olay\u0131na piriz ad\u0131 verilir. Normal \u015fartlar alt\u0131nda ( 28 derece s\u0131cakl\u0131k ve ya\u011fmursuz havada ) bu kat\u0131la\u015fma olay\u0131 ilk on dakikada ba\u015flar ve ad\u0131na Yalanc\u0131 Piriz denir, bir saat civar\u0131nda ise donma ve mukavemet artar. Ancak bu olay i\u00e7inde bulunulan ko\u015fullara ba\u011fl\u0131 olarak de\u011fi\u015fiklik g\u00f6sterebilir, herhangi bir kimyasal priz geciktirici kullan\u0131lmad\u0131ysa ve hava s\u0131cakl\u0131\u011f\u0131 \u00e7ok d\u00fc\u015f\u00fck de\u011filse yakla\u015f\u0131k 10 saat gibi bir s\u00fcre\u00e7te donma ger\u00e7ekle\u015fir.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00c7imento genel anlamda ba\u011flay\u0131c\u0131 maddelere verilen isimdir.\u00a0Bunlar yayg\u0131n olarak tan\u0131nan ve kullan\u0131lan silikat hidrat esasl\u0131 portland \u00e7imentosu olabildi\u011fi gibi, poliner\u00a0esasl\u0131 plastik ve asfalt da olabilir. Genellikle bu terim g\u00fcn\u00fcm\u00fczde su&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[317],"tags":[1398,2172],"class_list":["post-2577","post","type-post","status-publish","format-standard","hentry","category-is-dunyasi","tag-beton","tag-cimento"],"_links":{"self":[{"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=\/wp\/v2\/posts\/2577"}],"collection":[{"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2577"}],"version-history":[{"count":6,"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=\/wp\/v2\/posts\/2577\/revisions"}],"predecessor-version":[{"id":7272,"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=\/wp\/v2\/posts\/2577\/revisions\/7272"}],"wp:attachment":[{"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2577"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2577"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2577"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}