{"id":9872,"date":"2022-03-21T09:10:54","date_gmt":"2022-03-21T08:10:54","guid":{"rendered":"https:\/\/progroupe.net\/?p=9872"},"modified":"2022-03-21T09:13:09","modified_gmt":"2022-03-21T08:13:09","slug":"vyuzivanie-geovak-ov","status":"publish","type":"post","link":"https:\/\/progroupe.net\/sk\/vyuzivanie-geovak-ov\/","title":{"rendered":"Spracovanie sedimentu – geovak"},"content":{"rendered":"

K spracovaniu sedimentov vo v\u0161eobecnosti pristupujeme zvy\u010dajne ak v oblasti realiz\u00e1cie z\u00e1kazky nie s\u00fa vhodn\u00e9 podmienky pre tvorbu sedimenta\u010dn\u00fdch pl\u00f4ch-lag\u00fan. \u010ci u\u017e kv\u00f4li nedostato\u010dn\u00e9mu priestoru vo\u013enej plochy, alebo pre vysok\u00fa hladinu podzemnej vody. Odvod\u0148ovanie sedimentov sa taktie\u017e vykon\u00e1va v pr\u00edpade, \u017ee je nutn\u00e9 sediment odviez\u0165 z oblasti realiz\u00e1cie projektu, napr. z d\u00f4vodu jeho kontamin\u00e1cie zne\u010dis\u0165uj\u00facimi l\u00e1tkami.\u00a0 <\/span>Cie\u013eom spracovania sedimentov je odstr\u00e1nenie v\u00e4\u010d\u0161iny vody ktor\u00fa obsahuj\u00fa, \u010d\u00edm sa dosiahne zn\u00ed\u017eenie objemu od\u0165a\u017eenej hydrozmesy. Prefiltrovan\u00fa vodu je mo\u017en\u00e9 odvies\u0165 nasp\u00e4\u0165 do vodn\u00e9ho prostredia z ktor\u00e9ho bola od\u010derpan\u00e1, opatrenie ktor\u00e9 je ve\u013emi \u017eiad\u00face pri revitaliz\u00e1cii vodn\u00fdch pl\u00f4ch s nedostato\u010dn\u00fdm pr\u00edtokom vody za \u00fa\u010delom pred\u00eds\u0165 v\u00fdrazn\u00e9mu poklesu vodnej hladiny – vysu\u0161eniu jazera. <\/span>Okrem zmen\u0161enia objemu sedimentu a mo\u017enosti navr\u00e1tenia vody do p\u00f4vodn\u00e9ho prostredia, sa odvodnen\u00edm zlep\u0161uj\u00fa mo\u017enosti manipul\u00e1cie so sedimentom.<\/span><\/p>\n

Na dehydrat\u00e1ciu sedimentov sa okrem strojov\u00e9ho spracovania (napr<\/span>. odstredivka<\/a><\/span>, kalolis) \u010dasto vyu\u017e\u00edvaj\u00fa aj geovaky.<\/a> S\u00fa to geosyntetick\u00e9 r\u00farovit\u00e9 vaky r\u00f4znej d\u013a\u017eky a priemeru, ktor\u00e9 s\u00fa plnen\u00e9 pre\u010derpanou hydrozmesou tvorenou vodou a pevn\u00fdmi \u010dasticami (hlina, \u00edl, piesok, \u0161trk,.). Priepustnos\u0165 geosyntetiky umo\u017e\u0148uje r\u00fdchle odvodnenie, ktor\u00e9ho v\u00fdsledkom je zadr\u017eanie pevn\u00fdch \u010dast\u00edc vo vn\u00fatri vaku. V\u00fdhodou geovakov je ich mo\u017en\u00e9 \u2018\u2019\u0161itie na mieru\u2019\u2019 pod\u013ea po\u017eiadaviek projektu.<\/span><\/p>\n

Proces odvod\u0148ovania sedimentu geovakmi sa sklad\u00e1 z troch \u0161t\u00e1dii: plnenie, filtrovanie a zhut\u0148ovanie.<\/span><\/p>\n

V prvom \u0161t\u00e1diu je vak plnen\u00fd od\u010derpanou hydrozmesou. Pre u\u013eah\u010denie agreg\u00e1cie (vyvlo\u010dkovania) najjemnej\u0161\u00edch tuh\u00fdch \u010dast\u00edc a ich oddelenie od tekutej zlo\u017eky sa do hydrozmesy prid\u00e1va flokulant, e\u0161te pred vpusten\u00edm hydrozmesy do vaku. V nasleduj\u00facom \u0161t\u00e1diu doch\u00e1dza k prefiltrovaniu prebyto\u010dnej vody cez povrch geofiltra, zatia\u013e \u010do pevn\u00e9 \u010dastice zost\u00e1vaj\u00fa zachyten\u00e9 vo vaku. Posledn\u00e9 \u0161t\u00e1dium spo\u010d\u00edva vo vytla\u010den\u00ed zvy\u0161nej vody zhut\u0148ovan\u00edm materi\u00e1lu.<\/span><\/p>\n

Po ukon\u010den\u00ed pr\u00e1c m\u00f4\u017ee naplnen\u00fd geovak zosta\u0165 ulo\u017een\u00fd v mieste plnenia alebo je mo\u017en\u00e9 ho rozreza\u0165 a sediment premiestni\u0165. Geovak ponechan\u00fd na mieste m\u00f4\u017ee by\u0165 po nen\u00e1ro\u010dn\u00fdch \u00faprav\u00e1ch zakomponovan\u00fd do prostredia ako krajinotvorn\u00fd prvok a tie\u017e je mo\u017en\u00e9 vyu\u017ei\u0165 ho na opravu erodovan\u00fdch brehov vodnej plochy.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

K spracovaniu sedimentov vo v\u0161eobecnosti pristupujeme zvy\u010dajne ak v oblasti realiz\u00e1cie z\u00e1kazky nie s\u00fa vhodn\u00e9 podmienky pre tvorbu sedimenta\u010dn\u00fdch pl\u00f4ch-lag\u00fan. \u010ci u\u017e kv\u00f4li nedostato\u010dn\u00e9mu priestoru vo\u013enej plochy, alebo pre vysok\u00fa hladinu podzemnej vody. Odvod\u0148ovanie sedimentov sa taktie\u017e vykon\u00e1va v pr\u00edpade, \u017ee je nutn\u00e9 sediment odviez\u0165 z oblasti realiz\u00e1cie projektu, napr. z d\u00f4vodu jeho kontamin\u00e1cie zne\u010dis\u0165uj\u00facimi<\/p>\n","protected":false},"author":2,"featured_media":9874,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[178,117],"tags":[],"class_list":["post-9872","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-clanky","category-novinky"],"_links":{"self":[{"href":"https:\/\/progroupe.net\/sk\/wp-json\/wp\/v2\/posts\/9872","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/progroupe.net\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/progroupe.net\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/progroupe.net\/sk\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/progroupe.net\/sk\/wp-json\/wp\/v2\/comments?post=9872"}],"version-history":[{"count":4,"href":"https:\/\/progroupe.net\/sk\/wp-json\/wp\/v2\/posts\/9872\/revisions"}],"predecessor-version":[{"id":9878,"href":"https:\/\/progroupe.net\/sk\/wp-json\/wp\/v2\/posts\/9872\/revisions\/9878"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/progroupe.net\/sk\/wp-json\/wp\/v2\/media\/9874"}],"wp:attachment":[{"href":"https:\/\/progroupe.net\/sk\/wp-json\/wp\/v2\/media?parent=9872"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/progroupe.net\/sk\/wp-json\/wp\/v2\/categories?post=9872"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/progroupe.net\/sk\/wp-json\/wp\/v2\/tags?post=9872"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}