{"id":17815,"date":"2023-09-11T13:23:51","date_gmt":"2023-09-11T13:23:51","guid":{"rendered":"https:\/\/gbccroatia.org\/odrziva-sika-rjesenja-za-betone\/"},"modified":"2023-09-11T13:23:51","modified_gmt":"2023-09-11T13:23:51","slug":"odrziva-sika-rjesenja-za-betone","status":"publish","type":"post","link":"https:\/\/gbccroatia.org\/en\/odrziva-sika-rjesenja-za-betone\/","title":{"rendered":"Odr\u017eiva Sika rje\u0161enja za betone"},"content":{"rendered":"<p class=\"text-justify\">Kemijski dodaci za betone mogu pobolj\u0161ati njegovu odr\u017eivost na \u010ditav niz na\u010dina. Prije svega, zna\u010dajno mogu pobolj\u0161ati kvalitetu i performanse betona, \u0161to zauzvrat produljuje njegov vijek trajanja. Uz to, zbog primjene kemijskih dodataka, ugradnja betona umjesto drugih gra\u0111evinskih materijala mo\u017ee pobolj\u0161ati \u017eivotni ciklus infrastrukture, primjerice \u2013 betonski elementi uvelike pobolj\u0161avaju kvalitetu i trajnost autocesta za glavne prometnice u usporedbi s uobi\u010dajenim gra\u0111evinskim materijalima koji se ugra\u0111uju u ceste.<\/p>\n<p class=\"text-justify\">\n<p class=\"text-justify\">Nadalje, dodavanje posebnih kemijskih dodataka, npr. za stabilizaciju ili smanjenje koli\u010dine vode, tako\u0111er omogu\u0107uje upotrebu alternativnih i recikliranih materijala (npr. reciklirani agregati) u proizvodnji kvalitetnog betona. Kona\u010dno, u mnogim slu\u010dajevima kemijski \u0107e dodaci pozitivno utjecati na energiju potrebnu za proizvodnju odre\u0111enih vrsta cementa i betona. Jedan od primjera je dodavanje aditiva za smanjenje vode i ubrzano o\u010dvr\u0161\u0107ivanje, kako bi se postigli visoki stupnjevi \u010dvrsto\u0107e gotovog betona te doveli do znatnog smanjenja ili ukupne eliminacije vanjskog zagrijavanja elemenata.<\/p>\n<p class=\"text-justify\">\n<p class=\"text-justify\">U posljednjih nekoliko godina, razne zemlje i organizacije razvile su programe certificiranja zelene gradnje \u2013 primjerice LEED, BREEAM ili DGNB. Iskustva iz prakse u kombinaciji s njihovim nalazima dovela su do kontinuiranog prilago\u0111avanja i pro\u0161irenja ovih programa. Sika kemijski dodaci za beton mogu pridonijeti tome da betoni ispunjavaju brojne zahtjeve iz smjernica za zelenu gradnju, kao \u0161to su:<\/p>\n<ul class=\"text-justify\">\n<li>trajnost betona,<\/li>\n<li>propusnost betona za oborinske vode,<\/li>\n<li>udio recikliranih komponenti u betonu (agregati ili dodatni cementni materijali),<\/li>\n<li>smanjenje betonskih utjecaja, optimizacija sadr\u017eaja i vrste cementa.<\/li>\n<\/ul>\n<p class=\"text-justify\">\n<p class=\"text-justify\">\n<p class=\"text-justify\">Nekoliko Sika kemijskih dodataka omogu\u0107ava proizvodnju betona produljene trajnosti u regularnim, ali i vrlo zahtjevnim uvjetima, kao \u0161to su Sika\u00ae ViscoCrete\u00ae i Sika\u00ae Control AER. Upotrebom odgovaraju\u0107ih kemijskih dodataka omogu\u0107ava se proizvodnja specijalnih betona koje je mogu\u0107e ugraditi na ekolo\u0161ki prihvatljiv na\u010din, ili se mogu upotrijebiti umjesto drugih gra\u0111evinskih materijala. Primjerice, Sika\u00ae ViscoFlow\u00ae omogu\u0107uje smanjenje dimenzija konstrukcije (debljina elemenata), a Sika\u00ae Stabilizer stvara stabilan sloj oko agregata.<\/p>\n<p class=\"text-justify\">\n<p class=\"text-justify\">Upotreba alternativnih recikliranih materijala u dizajnu betonske mje\u0161avine \u010desto negativno utje\u010de na svojstva svje\u017eeg i\/ili o\u010dvrslog betona. Kemijski dodaci poput SikaPlast\u00ae mogu u\u010dinkovito suzbiti takve efekte. Za kraj, u proizvodnji, ugradnji i stvrdnjavanju betona i cementa koristi se velika koli\u010dina energije. Postoje kemijski dodaci koji omogu\u0107avaju smanjenje upotrebe energije u ovim procesima \u2013 neki od njih su SikaGrind\u00ae koji smanjuje vrijeme mljevenja cementa do postizanja odre\u0111ene fino\u0107e ili SikaRapid\u00ae \u00a0koji onemogu\u0107uje prerano isu\u0161ivanje betona u proizvodnji predgotovljenih elemenata.<\/p>\n<p class=\"text-justify\">\n<p class=\"text-justify\">Stvaraju\u0107i rje\u0161enja najboljih performansi u korist na\u0161ih kupaca i odr\u017eivog razvoja, Sika je posve\u0107ena uvo\u0111enju odr\u017eivih proizvoda koji mogu odgovoriti globalnim izazovima, na siguran na\u010din i uz najmanji utjecaj na resurse. Sika je usmjerena ka odr\u017eivom razvoju, preuzimaju\u0107i odgovornost za pobolj\u0161anje materijalne, vodne i energetske u\u010dinkovitosti u gra\u0111evinarstvu i prometu.<\/p>\n<p class=\"text-justify\">Svojim proizvodima, sustavima i rje\u0161enjima, Sika nastoji stvoriti dodatnu vrijednost za sve sudionike u lancu vrijednosti i tijekom cijelog \u017eivotnog vijeka svojih proizvoda. Stvorena vrijednost daleko nadma\u0161uje utjecaje povezane s proizvodnjom, distribucijom i kori\u0161tenjem. Trudimo se mjeriti, pobolj\u0161ati i komunicirati stvaranje odr\u017eive vrijednosti \u2013 kampanja \u201eVi\u0161e vrijednosti, manje utjecaja\u201c odnosi se na usmjerenost kompanije da maksimizira vrijednost svojih rje\u0161enja za sve sudionike, uz smanjenje potro\u0161nje resursa i utjecaja na okoli\u0161.<\/p>\n<p class=\"text-justify\"><strong>Saznajte vi\u0161e<\/strong> o Sika dodacima za betone. (link: <a href=\"https:\/\/hrv.sika.com\/hr\/gradevina\/dodaci-za-proizvodnju-betona.html\">https:\/\/hrv.sika.com\/hr\/gradevina\/dodaci-za-proizvodnju-betona.html<\/a>)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Kemijski dodaci za betone mogu pobolj\u0161ati njegovu odr\u017eivost na \u010ditav niz na\u010dina&#8230;<\/p>\n","protected":false},"author":1,"featured_media":11533,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[72],"tags":[],"class_list":["post-17815","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-2021-en"],"acf":{"photo_gallery":{"galerija":[[]],"logo1_slike":[[],[]],"logo2_slike":[[],[],[]],"logo3_slike":[[],[],[],[]],"logo4_slike":[[],[],[],[],[]],"logo5_slike":[[],[],[],[],[],[]],"logo6_slike":[[],[],[],[],[],[],[]],"logo7_slike":[[],[],[],[],[],[],[],[]],"logo8_slike":[[],[],[],[],[],[],[],[],[]],"logo9_slike":[[],[],[],[],[],[],[],[],[],[]],"logo10_slike":[[],[],[],[],[],[],[],[],[],[],[]],"logo11_slike":[[],[],[],[],[],[],[],[],[],[],[],[]],"logo12_slike":[[],[],[],[],[],[],[],[],[],[],[],[],[]],"logo13_slike":[[],[],[],[],[],[],[],[],[],[],[],[],[],[]],"logo14_slike":[[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]],"logo15_slike":[[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]],"logo16_slike":[[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]],"logo17_slike":[[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]],"logo18_slike":[[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]],"logo19_slike":[[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]],"logo20_slike":[[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]]}},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - 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