{"id":422,"date":"2012-12-19T14:22:33","date_gmt":"2012-12-19T13:22:33","guid":{"rendered":"https:\/\/floorsystems.pl\/?page_id=422"},"modified":"2012-12-19T14:38:52","modified_gmt":"2012-12-19T13:38:52","slug":"glowne-skladniki-betonu","status":"publish","type":"page","link":"https:\/\/floorsystems.pl\/index.php\/info\/glowne-skladniki-betonu\/","title":{"rendered":"G\u0142\u00f3wne sk\u0142adniki betonu"},"content":{"rendered":"<p>Cement portlandzki produkuje si\u0119 z mieszaniny drobno zmielonego kamienia wapiennego lub kredy, gliny i piasku, kt\u00f3r\u0105 podgrzewa si\u0119 prawie do punktu topnienia (oko\u0142o 1.450oC) w du\u017cym obracaj\u0105cym si\u0119 piecu. Klinkier cementowy wychodz\u0105cy z pieca jest nast\u0119pnie mielony do postaci proszku z niewielk\u0105 ilo\u015bci\u0105 gipsu, dodawan\u0105 w celu kontroli czasu wi\u0105zania produktu ko\u0144cowego.<\/p>\n<p>Tak, jak Rzymianie odkryli korzy\u015bci dodawania py\u0142u wulkanicznego do swojego cementu, podobnie w\u0142a\u015bciwo\u015bci nowoczesnego cementu mo\u017cna modyfikowa\u0107 i ulepsza\u0107 przez mieszanie cementu portlandzkiego z innymi materia\u0142ami cementowymi. Te najszerzej stosowane z nich to popio\u0142y lotne \u2013 pozosta\u0142o\u015b\u0107 spalania w\u0119gla \u2013 oraz \u017cu\u017cel, b\u0119d\u0105cy odpadem z huty.<\/p>\n<p>Jako \u017ce \u017cu\u017cel i popio\u0142y lotne s\u0105 produktami ubocznymi z innych ga\u0142\u0119zi przemys\u0142u, stanowi\u0105 sk\u0142adnik poddawany odzyskowi, co czyni cement mieszany wyrobem przyjaznym \u015brodowisku.<\/p>\n<p>Na podstawie przewidywanych warunk\u00f3w pracy betonu, dobierany jest odpowiedni rodzaj cementu. Przyk\u0142adowo cementy z dodatkiem \u017cu\u017cla wielkopiecowego z grupy CEM III s\u0105 szczeg\u00f3lnie odporne na chemiczne oddzia\u0142ywanie ze strony \u015brodowiska. Znaj\u0105c przysz\u0142e warunki eksploatacji oraz w\u0142a\u015bciwo\u015bci stosowanych cement\u00f3w, jeste\u015bmy w stanie zaprojektowa\u0107 mieszank\u0119 betonow\u0105 przydatn\u0105 do ka\u017cdego zastosowania.<\/p>\n<h2>Kruszywo i piasek<\/h2>\n<p>Kruszywo grube stosowane w betonie ma przepisan\u0105 wielko\u015b\u0107 \u2013 zazwyczaj 4-16 mm. Wydobywa si\u0119 je w kopalniach oraz ze z\u0142\u00f3\u017c przybrze\u017cnych w zr\u00f3wnowa\u017cony spos\u00f3b. Tam, gdzie jest to mo\u017cliwe, jako zamiennik kruszywa (wydobywanego), mo\u017cna stosowa\u0107 beton z odzysku.<\/p>\n<p>Do produkcji betonu stosuje si\u0119 r\u00f3wnie\u017c piasek p\u0142ukany o uziarnieniu 0-4 mm.<\/p>\n<h2>Woda<\/h2>\n<p>Zagro\u017cenia wynikaj\u0105ce z dodania zbyt du\u017cej ilo\u015bci wody do betonu s\u0105 dobrze znane. Nadmiar wody os\u0142abia gotowy beton i dlatego proporcja wody do substancji sta\u0142ych w betonie towarowym jest zawsze dok\u0142adnie kontrolowana.<\/p>\n<h2>Domieszki<\/h2>\n<p>Wynalezienie domieszek chemicznych (uplastyczniaj\u0105cych i up\u0142ynniaj\u0105cych), umo\u017cliwiaj\u0105cych obni\u017cenie ilo\u015bci wody w mieszance betonowej, by\u0142o prze\u0142omem w technologii i produkcji betonu \u2013 obni\u017cenie ilo\u015bci wody w mieszance betonowej o 20% skutkuje wzrostem jego wytrzyma\u0142o\u015bci o ok. 30%. Dzi\u0119ki domieszkom chemicznym jeste\u015bmy w stanie modyfikowa\u0107 r\u00f3wnie\u017c inne w\u0142a\u015bciwo\u015bci betonu takie jak: szybko\u015b\u0107 wi\u0105zania czy jego mrozoodporno\u015b\u0107.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cement portlandzki produkuje si\u0119 z mieszaniny drobno zmielonego kamienia wapiennego lub kredy, gliny i piasku, kt\u00f3r\u0105 podgrzewa si\u0119 prawie do punktu topnienia (oko\u0142o 1.450oC) w du\u017cym obracaj\u0105cym si\u0119 piecu. Klinkier cementowy wychodz\u0105cy z pieca jest nast\u0119pnie mielony do postaci proszku z niewielk\u0105 ilo\u015bci\u0105 gipsu, dodawan\u0105 w celu kontroli czasu wi\u0105zania produktu ko\u0144cowego. Tak, jak Rzymianie [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":433,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-422","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>G\u0142\u00f3wne sk\u0142adniki betonu - Posadzki Przemys\u0142owe - Industrial Floor Systems<\/title>\n<meta name=\"description\" content=\"Posadzki przemys\u0142owe Superfloor\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/floorsystems.pl\/index.php\/info\/glowne-skladniki-betonu\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"G\u0142\u00f3wne sk\u0142adniki betonu - 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