Riparimi i strukturave t\u00eb betonit k\u00ebrkon shum\u00eb koh\u00eb e shum\u00eb para, ndaj edhe shkenc\u00ebtar\u00ebt po studiojn\u00eb nj\u00eb mund\u00ebsi tjet\u00ebr: Vet\u00ebriparimin e tyre duke p\u00ebrdorur baktere q\u00eb precipitojn\u00eb minerale kalciti.
\nMegjith\u00ebse betoni \u00ebsht\u00eb materiali m\u00eb i p\u00ebrdorur sot n\u00eb nd\u00ebrtim, ai ka nj\u00eb t\u00eb met\u00eb serioze: Kur \u00ebsht\u00eb n\u00ebn tension, mund t\u00eb \u00e7ahet leht\u00eb. N\u00ebse k\u00ebto \u00e7arje zmadhohen shum\u00eb, ato \u00e7ojn\u00eb n\u00eb g\u00ebrryerjen e p\u00ebrforcimeve prej \u00e7eliku, t\u00eb cilat jo vet\u00ebm jan\u00eb joestetike, por edhe rrezikojn\u00eb vet\u00eb nd\u00ebrtes\u00ebn. Kjo \u00ebsht\u00eb arsyeja pse shpesh inxhinier\u00ebt p\u00ebrdorin n\u00eb beton nj\u00eb sasi m\u00eb t\u00eb madhe p\u00ebrforcimesh \u00e7eliku sesa nevojitet, p\u00ebr t\u00eb parandaluar zmadhimin e \u00e7arjeve t\u00eb tij, por ky \u00e7elik shtes\u00eb ka kosto t\u00eb lart\u00eb. Nj\u00eb m\u00ebnyr\u00eb tjet\u00ebr p\u00ebr t\u00eb trajtuar \u00e7arjet \u00ebsht\u00eb riparimi i tyre, por kjo mund t\u00eb jet\u00eb shum\u00eb e v\u00ebshtir\u00eb p\u00ebr nd\u00ebrtimet e n\u00ebndheshme, ose n\u00eb nd\u00ebrtimet e mbushura me l\u00ebngje. K\u00ebshtu, zgjidhja m\u00eb e mir\u00eb do t\u00eb ishte nj\u00eb beton q\u00eb t\u00eb riparohej vet\u00eb!
\nPik\u00ebrisht k\u00ebt\u00eb po studiojn\u00eb k\u00ebrkuesit e TU Delft, Universitetit Teknologjik publik holandez. Duke injektuar baktere q\u00eb b\u00ebjn\u00eb precipitimin e kalciteve (karbonat kal\u00e7iumi), \u00ebsht\u00eb e mundur t\u00eb shtohet aft\u00ebsia e vet\u00ebriparimit t\u00eb betonit. Meq\u00eb pH i betonit \u00ebsht\u00eb shum\u00eb i lart\u00eb, bakteret e quajtura alkalofile jan\u00eb t\u00eb afta t\u00eb mbijetojn\u00eb. Disa nga k\u00ebto baktere jan\u00eb p\u00ebrzier me mas\u00ebn e \u00e7imentos dhe, pas nj\u00eb muaji, \u00ebsht\u00eb v\u00ebn\u00eb re se sporet e tyre ishin p\u00ebrs\u00ebri t\u00eb gjalla. P\u00ebrdorimi i baktereve mund t\u00eb b\u00ebj\u00eb nj\u00eb ulje t\u00eb konsiderueshme t\u00eb shpenzimeve, sidomos n\u00eb strukturat e betonit me p\u00ebrforcime \u00e7eliku. Kjo do t\u00eb thot\u00eb edhe se \u00e7\u00ebshtja e jet\u00ebgjat\u00ebsis\u00eb s\u00eb betonit duhet trajtuar ndryshe k\u00ebtej e tutje. Riparimi me baktere \u00ebsht\u00eb ideal p\u00ebr riparimin e depozitave q\u00eb mbajn\u00eb brenda materiale t\u00eb rrezikshme, sepse asnjeri nuk guxon t\u00eb futet atje p\u00ebr rregullimin e \u00e7arjeve. Nd\u00ebrsa p\u00ebr nd\u00ebrtesat e banimit, duket se riparimi tradicional mbetet zgjidhja m\u00eb e mir\u00eb sot p\u00ebr sot. Studimet jan\u00eb p\u00ebrqendruar tani n\u00eb krijimin e kushteve t\u00eb duhura q\u00eb bakteret t\u00eb prodhojn\u00eb sa m\u00eb shum\u00eb kalcit t\u00eb jet\u00eb e mundur dhe n\u00eb shp\u00ebrndarjen e duhur t\u00eb ushqimit p\u00ebr to. Gjithashtu, po studiohet si ndikojn\u00eb n\u00eb jet\u00ebn e baktereve kushtet, si ndryshimi i temperaturave dhe veprimi i sulfateve. <\/p>\n","protected":false},"excerpt":{"rendered":"
Riparimi i strukturave t\u00eb betonit k\u00ebrkon shum\u00eb koh\u00eb e shum\u00eb para, ndaj edhe shkenc\u00ebtar\u00ebt po studiojn\u00eb nj\u00eb mund\u00ebsi tjet\u00ebr: Vet\u00ebriparimin e tyre duke p\u00ebrdorur baktere q\u00eb precipitojn\u00eb minerale kalciti. Megjith\u00ebse betoni \u00ebsht\u00eb materiali m\u00eb i p\u00ebrdorur sot n\u00eb nd\u00ebrtim, ai ka nj\u00eb t\u00eb met\u00eb serioze: Kur \u00ebsht\u00eb n\u00ebn tension, mund t\u00eb \u00e7ahet leht\u00eb. N\u00ebse k\u00ebto […]<\/p>\n","protected":false},"author":5,"featured_media":10640,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[46],"tags":[],"class_list":["post-10639","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-enciklopedi"],"_links":{"self":[{"href":"https:\/\/intervista.al\/web\/wp-json\/wp\/v2\/posts\/10639","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/intervista.al\/web\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/intervista.al\/web\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/intervista.al\/web\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/intervista.al\/web\/wp-json\/wp\/v2\/comments?post=10639"}],"version-history":[{"count":0,"href":"https:\/\/intervista.al\/web\/wp-json\/wp\/v2\/posts\/10639\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/intervista.al\/web\/wp-json\/wp\/v2\/media\/10640"}],"wp:attachment":[{"href":"https:\/\/intervista.al\/web\/wp-json\/wp\/v2\/media?parent=10639"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/intervista.al\/web\/wp-json\/wp\/v2\/categories?post=10639"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/intervista.al\/web\/wp-json\/wp\/v2\/tags?post=10639"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}