<\/p>\n
Zaj\u00edmavost\u00ed je, \u017ee beton star\u00fdch \u0158\u00edman\u016f nebyl ani zdaleka tak pevn\u00fd jako ten sou\u010dasn\u00fd. Oproti tomu byl ale mnohem trvanliv\u011bj\u0161\u00ed (o \u010dem\u017e sv\u011bd\u010d\u00ed mno\u017estv\u00ed zachoval\u00fdch antick\u00fdch pam\u00e1tek). Trvanlivost \u0159\u00edmsk\u00e9ho betonu byla z\u0159ejm\u011b zp\u016fsobena zvl\u00e1\u0161tn\u00ed p\u0159\u00edm\u011bs\u00ed \u2013 sope\u010dn\u00fdm popelem, kter\u00fd v reakci s v\u00e1pnem vytvo\u0159il sm\u011bs extr\u00e9mn\u011b odolnou v\u016f\u010di zv\u011btr\u00e1v\u00e1n\u00ed<\/strong>.<\/p>\n <\/p>\n Odolnost betonu je pro v\u00fdrobce stavebn\u00edch materi\u00e1l\u016f moment\u00e1ln\u011b hlavn\u00edm p\u0159edm\u011btem z\u00e1jmu.<\/p>\n <\/p>\n Proto byl tak\u00e9 v USA vyvinut tzv. High Performance Concrete <\/strong>(HPC). Ten oproti tradi\u010dn\u00edmu betonu obsahuje r\u016fzn\u00e9 p\u0159\u00edm\u011bsi (jako je pop\u00edlek, oxid k\u0159emi\u010dit\u00fd nebo mlet\u00e1 granulovan\u00e1 vysokopecn\u00ed struska), d\u00edky \u010demu\u017e disponuje v\u011bt\u0161\u00ed v\u00fddr\u017e\u00ed i ni\u017e\u0161\u00ed propustnost\u00ed. V z\u00e1sad\u011b se tedy jedn\u00e1 o b\u011b\u017en\u00fd beton obohacen\u00fd o p\u0159\u00edsady, kter\u00e9 vylep\u0161uj\u00ed jeho vlastnosti. <\/p>\n <\/p>\n Lit\u00ed betonu je n\u00e1ro\u010dn\u00e1 \u010dinnost.<\/p>\n <\/p>\n Za zm\u00ednku pak jist\u011b stoj\u00ed i Self-Consolidating Concrete<\/strong> (SCC), co\u017e je betonov\u00e1 sm\u011bs, kter\u00e1 m\u00e1 n\u00edzk\u00e9 mezn\u00ed zat\u00ed\u017een\u00ed, vysokou deformovatelnost a m\u00edrnou viskozitu. D\u00edky tomu je lit\u00ed SCC ve srovn\u00e1n\u00ed se standardn\u00edmi betonov\u00fdmi sm\u011bsmi mnohem m\u00e9n\u011b n\u00e1ro\u010dn\u00e9 na pracovn\u00ed s\u00edlu.<\/p>\n Mezi nov\u00e9 podoby tohoto materi\u00e1lu pat\u0159\u00ed i pr\u016fsvitn\u00fd beton<\/strong>. S touto zaj\u00edmavou inovac\u00ed p\u0159i\u0161li ned\u00e1vno dva \u010de\u0161t\u00ed konstrukt\u00e9\u0159i. Jedn\u00e1 se v\u0161ak sp\u00ed\u0161 o designov\u00fd prvek ne\u017e o plnohodnotn\u00fd stavebn\u00ed materi\u00e1l.<\/p>\n <\/p>\n Mnohdy nen\u00ed pot\u0159eba vyv\u00edjet nov\u00e9 materi\u00e1ly, ale sta\u010d\u00ed jen naj\u00edt nov\u00e9 vyu\u017eit\u00ed t\u011bm st\u00e1vaj\u00edc\u00edm. Pon\u011bkud kuri\u00f3zn\u00ed jsou nap\u0159\u00edklad p\u0159\u00edpady domk\u016f postaven\u00fdch <\/strong>ze sklen\u011bn\u00fdch \u010di plastov\u00fdch lahv\u00ed<\/strong>. Heineken dokonce jednu dobu st\u00e1\u010del svoje piva do lahv\u00ed tvarovan\u00fdch tak, aby je bylo n\u00e1sledn\u011b mo\u017eno pou\u017e\u00edt jako cihly. V Norsku zase p\u0159i\u0161li s \u201ed\u0159evem\u201c vyr\u00e1b\u011bn\u00fdm z vyhozen\u00fdch novin. Stavebnictv\u00ed je glob\u00e1ln\u011b jedn\u00edm z ekologicky nejn\u00e1ro\u010dn\u011bj\u0161\u00edch odv\u011btv\u00ed a v\u0161echny tyto inovace tak maj\u00ed za c\u00edl p\u0159edev\u0161\u00edm sn\u00ed\u017een\u00ed jeho dopad\u016f na \u017eivotn\u00ed prost\u0159ed\u00ed.<\/p>\n <\/p>\n Stavby z lahv\u00ed nejsou nov\u00fdm n\u00e1padem. Tento d\u016fm z po\u010d\u00e1tku 20. stolet\u00ed stoj\u00ed v nevadsk\u00e9m m\u011bst\u011b duch\u016f Rhyolite.<\/p>\n <\/p>\n Velk\u00e9 oblib\u011b se v sou\u010dasnosti op\u011bt t\u011b\u0161\u00ed tak\u00e9 d\u0159evostavby<\/strong>. Nejedn\u00e1 se sice o vyu\u017eit\u00ed recyklovan\u00fdch ani hypermodern\u00edch materi\u00e1l\u016f, d\u0159evo ale jako obnoviteln\u00fd zdroj rozhodn\u011b pat\u0159\u00ed mezi ekologicky m\u00e9n\u011b n\u00e1ro\u010dn\u00e9 stavebn\u00ed materi\u00e1ly a v budoucnu se jeho vyu\u017eit\u00ed ve stavebnictv\u00ed z\u0159ejm\u011b je\u0161t\u011b roz\u0161\u00ed\u0159\u00ed.<\/p>\n Novinky a inovace jsou v ka\u017ed\u00e9m ohledu jist\u011b \u017e\u00e1douc\u00ed \u2013 zvy\u0161uj\u00ed kvalitu bydlen\u00ed a sni\u017euj\u00ed n\u00e1klady na stavbu. Ne v\u017edy je ale v\u00fdsledek takov\u00fd, jak\u00fd byl zam\u00fd\u0161len. Proto je pochopiteln\u00e9, \u017ee v\u011bt\u0161ina stavba\u0159\u016f a projektant\u016f d\u00e1v\u00e1 p\u0159ed experimenty p\u0159ednost prov\u011b\u0159en\u00fdm materi\u00e1l\u016fm a postup\u016fm<\/strong>.<\/p>\n \nV\u0161em stavba\u0159\u016fm nab\u00edz\u00edme \u0161irok\u00fd v\u00fdb\u011br stavebnin<\/a> ve vlastn\u00ed firemn\u00ed prodejn\u011b VW Wachal. Sou\u010d\u00e1st\u00ed nab\u00eddky je i p\u016fj\u010dovna stavebn\u00edho n\u00e1\u0159ad\u00ed<\/strong> a mechanizace. Ve\u0161ker\u00fd zakoupen\u00fd stavebn\u00ed materi\u00e1l v\u00e1m r\u00e1di kamkoliv p\u0159ivezeme na\u0161\u00ed autodopravou. Krom dod\u00e1vky stavebnin v\u00e1m ale samoz\u0159ejm\u011b r\u00e1di pom\u016f\u017eeme i s kompletn\u00ed realizac\u00ed va\u0161eho projektu<\/strong>. V tom p\u0159\u00edpad\u011b n\u00e1s jednodu\u0161e kontaktujte<\/a> a n\u00e1sledn\u011b se domluv\u00edme na v\u0161ech detailech spolupr\u00e1ce.<\/p>\n <\/p>\n Zdroj fotek: flickr.com, pixabay.com, wikimedia.org<\/p>\n","protected":false},"excerpt":{"rendered":" Kdy\u017e se \u0159ekne stavebn\u00ed materi\u00e1l, v\u011bt\u0161inou p\u0159ijdou na mysl jako prvn\u00ed cihly, p\u0159\u00edpadn\u011b kamen\u00ed, d\u0159evo nebo beton. Budeme z nich ale stav\u011bt i za n\u011bkolik let? Revoluc\u00ed ve stavebnictv\u00ed byla nap\u0159\u00edklad \u017eelezobetonov\u00e1 konstrukce. \u010cek\u00e1 n\u00e1s v dohledn\u00e9 dob\u011b n\u011bco podobn\u00e9ho?<\/p>\n","protected":false},"author":1,"featured_media":6866,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[40],"tags":[],"class_list":["post-7288","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.wachal.cz\/en\/wp-json\/wp\/v2\/posts\/7288","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wachal.cz\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wachal.cz\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wachal.cz\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wachal.cz\/en\/wp-json\/wp\/v2\/comments?post=7288"}],"version-history":[{"count":0,"href":"https:\/\/www.wachal.cz\/en\/wp-json\/wp\/v2\/posts\/7288\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wachal.cz\/en\/wp-json\/wp\/v2\/media\/6866"}],"wp:attachment":[{"href":"https:\/\/www.wachal.cz\/en\/wp-json\/wp\/v2\/media?parent=7288"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wachal.cz\/en\/wp-json\/wp\/v2\/categories?post=7288"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wachal.cz\/en\/wp-json\/wp\/v2\/tags?post=7288"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}![](\"https:\/\/lh3.googleusercontent.com\/7OSCvEW1xNF2nPYQtvq89MQoXYS51GQbfZVNbu2hRafSLJpP-TEgBGiMfLPGc0CZsNErb0G3irFu6Iwl9o8UYC_8O2aDzr2UBzAcgK3wXA8V3BAVF5DXUfvIUJHTpEkVg_t7rBk6\")
![](\"https:\/\/lh5.googleusercontent.com\/Ex3d88ppvD7Vsn9LaOQEz6rVSlLJ7g5Of-7pdSUAk8Euz0Z2a379cuPDrY7Ey0wh6rh8fQIaTe7yuXexamAl0WpA-sJ8Dz9fFexUM6jamLM7CAOOs6iXxn26Ul21saHzo3iMTjOm\")
Recyklace pou\u017eit\u00fdch materi\u00e1l\u016f \u0161et\u0159\u00ed p\u0159\u00edrodu i \u010das<\/h2>\n
![](\"https:\/\/lh6.googleusercontent.com\/HmDq6SvvXJLBUJLc2_MPep0R9mi7RvRgZPzNNGLzuhgNYAOci1duOiUcXBSbCZXVJCdp19NeX34y5D-EKsLOhKwXBR-pbCFE6KsdF65uQuT_EcavllStCQZpyMnyeBmfe2WOnfkx\")