{"id":49307,"date":"2019-09-04T10:29:00","date_gmt":"2019-09-04T08:29:00","guid":{"rendered":"http:\/\/136.144.181.85\/~nedzink\/?p=49307"},"modified":"2019-09-04T10:29:00","modified_gmt":"2019-09-04T08:29:00","slug":"rekonstrukce-strechy-vodni-elektrarny-strekov","status":"publish","type":"post","link":"https:\/\/www.nedzink.com\/cs\/rekonstrukce-strechy-vodni-elektrarny-strekov\/","title":{"rendered":"Rekonstrukce st\u0159echy vodn\u00ed elektr\u00e1rny St\u0159ekov"},"content":{"rendered":"[vc_row][vc_column][vc_column_text css=&#8220;.vc_custom_1567585650748{margin-bottom: 0px !important;}&#8220;]<strong>Kulturn\u00ed pam\u00e1tky se obnovuj\u00ed do d\u0159\u00edv\u011bj\u0161\u00ed kr\u00e1sy z r\u016fzn\u00fdch d\u016fvod\u016f. Nej\u010dast\u011bji se tak d\u011bje kv\u016fli p\u0159irozen\u00e9mu st\u00e1rnut\u00ed jejich konstrukc\u00ed a materi\u00e1l\u016f. N\u011bkdy se ov\u0161em projev\u00ed i jin\u00e9, m\u00e9n\u011b p\u0159edv\u00eddateln\u00e9, faktory, jako jsou nap\u0159\u00edklad p\u0159\u00edrodn\u00ed \u017eivly. Pr\u00e1v\u011b jejich p\u016fsoben\u00ed mnohdy m\u00edv\u00e1 ni\u010div\u00e9 n\u00e1sledky, co\u017e platilo tak\u00e9 v p\u0159\u00edpad\u011b st\u0159echy vodn\u00ed elektr\u00e1rny St\u0159ekov, kter\u00e1 je sou\u010d\u00e1st\u00ed unik\u00e1tn\u00edho Masarykova zdymadla na Labi.<\/strong><\/p>\n<p><a href=\"https:\/\/www.nedzink.com\/wp-content\/uploads\/2019\/09\/images-1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-49328 size-large\" src=\"https:\/\/www.nedzink.com\/wp-content\/uploads\/2019\/09\/images-1-1024x221.jpg\" alt=\"\" width=\"1024\" height=\"221\" srcset=\"https:\/\/www.nedzink.com\/wp-content\/uploads\/2019\/09\/images-1-1024x221.jpg 1024w, https:\/\/www.nedzink.com\/wp-content\/uploads\/2019\/09\/images-1-300x65.jpg 300w, https:\/\/www.nedzink.com\/wp-content\/uploads\/2019\/09\/images-1-403x87.jpg 403w, https:\/\/www.nedzink.com\/wp-content\/uploads\/2019\/09\/images-1.jpg 1558w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>P\u0159esto\u017ee se jedn\u00e1 o m\u00edsto doslova magick\u00e9, co\u017e je d\u00e1no charakterem okoln\u00ed krajiny, dominantou v\u00a0podob\u011b hradu St\u0159ekova i pr\u016fmyslov\u00fdm panoramatem m\u011bsta \u00dast\u00ed nad Labem, ani jemu se extr\u00e9mn\u00ed projevy po\u010das\u00ed nevyh\u00fdbaj\u00ed. Naopak jsou docela pravideln\u00fdm \u00fakazem, co\u017e potvrdila vich\u0159ice jm\u00e9nem Herwart, kter\u00e1 na konci \u0159\u00edjna lo\u0148sk\u00e9ho roku zanechala spou\u0161\u0165 nejen v\u00a0severn\u00edch \u010cech\u00e1ch, ale prakticky v\u00a0cel\u00e9 republice.<\/p>\n<p>Poni\u010dila mnoho staveb, n\u011bkter\u00e9 zcela fat\u00e1ln\u011b, co\u017e byl mimo jin\u00e9 p\u0159\u00edpad d\u0159ev\u011bn\u00e9ho kostela v\u00a0Most\u011b, o kter\u00e9m se \u010dten\u00e1\u0159i mohli do\u010d\u00edst v\u00a0prvn\u00edm leto\u0161n\u00edm vyd\u00e1n\u00ed na\u0161eho \u010dasopisu. K\u00a0velmi v\u00fdrazn\u00e9mu po\u0161kozen\u00ed do\u0161lo tak\u00e9 na vodn\u00ed elektr\u00e1rn\u011b St\u0159ekov, z jej\u00ed\u017e provozn\u00ed budovy vich\u0159ice nejen\u017ee strhla \u010d\u00e1st m\u011bd\u011bn\u00e9 krytiny, ale z\u00e1rove\u0148 zna\u010dn\u011b po\u0161kodila i d\u0159ev\u011bn\u00fd krov. Na z\u00e1klad\u011b toho bylo rozhodnuto o rekonstrukci cel\u00e9 st\u0159e\u0161n\u00ed konstrukce kulturn\u00ed a technick\u00e9 pam\u00e1tky, kter\u00e1 byla jako\u017eto sou\u010d\u00e1st Masarykova zdymadla postavena v\u00a0letech 1930 a\u017e 1936.<\/p>\n<p>Vlastn\u00edk objektu, kter\u00fdm je skupina \u010cEZ, p\u0159ipravil ve spolupr\u00e1ci s\u00a0projektantem, pam\u00e1tk\u00e1\u0159i a realiza\u010dn\u00ed firmou rekonstrukci m\u00edrn\u011b sklon\u011bn\u00e9 sedlov\u00e9 st\u0159echy tak, aby se co nejv\u00edce bl\u00ed\u017eila p\u016fvodn\u00edmu proveden\u00ed. Jedn\u00edm z\u00a0origin\u00e1ln\u00edch historick\u00fdch a nad\u00e1le zcela funk\u010dn\u00edch \u0159e\u0161en\u00ed je nap\u0159\u00edklad posuvn\u00e1 \u010d\u00e1st st\u0159echy. Jde de facto o opl\u00e1\u0161t\u011bn\u00fd poklop s\u00a0ocelovou r\u00e1movou konstrukc\u00ed, kter\u00fd p\u0159i vyu\u017eit\u00ed je\u0159\u00e1bu, stoj\u00edc\u00edho pobl\u00ed\u017e na lev\u00e9m b\u0159ehu Labe, umo\u017e\u0148uje transport t\u011b\u017ek\u00fdch za\u0159\u00edzen\u00ed \u010di materi\u00e1l\u016f do provozn\u00ed budovy, v\u00a0n\u00ed\u017e se nach\u00e1z\u00ed strojovna elektr\u00e1rny i vel\u00edn.<\/p>\n<p><strong>M\u00edsto m\u011bdi falcovan\u00fd titanzinek<\/strong><br \/>\nSamotn\u00e1 realizace prob\u00edhala od \u00fanora do \u010dervna leto\u0161n\u00edho roku. \u201eZa\u010dali jsme demont\u00e1\u017e\u00ed poni\u010den\u00e9 krytiny a krovu, kter\u00fd byl v\u011btrem po\u0161kozen tak\u0159ka kompletn\u011b. Oprava d\u0159ev\u011bn\u00e9 konstrukce u\u017e nebyla mo\u017en\u00e1, tak\u017ee jsme po jej\u00edm odstran\u011bn\u00ed nejprve na betonov\u00fd skelet stavby polo\u017eili hydroizolaci a n\u00e1sledn\u011b stav\u011bli podle projektu nov\u00fd krov,\u201c popisuje Miroslav V\u00e1la, stavbyvedouc\u00ed z d\u011b\u010d\u00ednsk\u00e9 firmy Jan Seifert \u2013 St\u0159e\u0161n\u00ed syst\u00e9my.<\/p>\n<p>Jeliko\u017e bylo sou\u010d\u00e1st\u00ed projektu i zlep\u0161en\u00ed tepeln\u011b-technick\u00fdch parametr\u016f st\u0159echy, do\u0161lo tak\u00e9 k\u00a0odstran\u011bn\u00ed p\u016fvodn\u00edho \u0161kv\u00e1rov\u00e9ho z\u00e1sypu, m\u00edsto kter\u00e9ho byla jako tepeln\u00e1 izolace pou\u017eita miner\u00e1ln\u00ed vata. Jakmile byl nov\u00fd krov z\u00a0lehk\u00fdch d\u0159ev\u011bn\u00fdch sloupk\u016f a fo\u0161en dokon\u010den, mohlo se za\u010d\u00edt s\u00a0pokl\u00e1dkou krytiny. \u201eProjekt obsahoval po\u017eadavek pam\u00e1tk\u00e1\u0159\u016f, aby krytina byla op\u011bt falcovan\u00e1 a v\u00a0tmav\u00e9m odst\u00ednu, kter\u00fd by vzhledov\u011b p\u0159ipom\u00ednal p\u016fvodn\u00ed m\u011b\u010f s\u00a0hn\u011bdou patinou,\u201c \u0159\u00edk\u00e1 stavbyvedouc\u00ed s\u00a0t\u00edm, \u017ee fin\u00e1ln\u011b byla vybr\u00e1na titanzinkov\u00e1 krytina.<\/p>\n<p>Konkr\u00e9tn\u011b \u0161lo o materi\u00e1l NedZink Noir, co\u017e je ji\u017e ve v\u00fdrob\u011b patinovan\u00fd titanzinek s\u00a0vy\u0161\u0161\u00edm p\u0159\u00eddavkem m\u011bdi. Antracitov\u011b \u010dern\u00e1 barva krytiny je stabiln\u00ed po celou dobu \u017eivotnosti. \u201eZku\u0161enosti z\u00a0realizac\u00ed za posledn\u00edch n\u011bkolik let ukazuj\u00ed, \u017ee ji lze uplatnit i mimo oblast modern\u00ed architektury. Pro st\u0159echy pam\u00e1tek je alternativou k\u00a0falcovan\u00fdm krytin\u00e1m, jako je m\u011b\u010f, na kter\u00e9 se tvo\u0159\u00ed patina p\u0159irozen\u011b, nebo nejr\u016fzn\u011bj\u0161\u00ed lakovan\u00e9 materi\u00e1ly,\u201c vysv\u011btluje Ale\u0161 L\u00e9bl ze spole\u010dnosti NedZink.<\/p>\n<p>Nov\u00e1 krytina samoz\u0159ejm\u011b vy\u017eadovala odpov\u00eddaj\u00edc\u00ed skladbu st\u0159e\u0161n\u00edho pl\u00e1\u0161t\u011b, kdy na bedn\u011bn\u00ed byla instalov\u00e1na difuzn\u00ed hydroizola\u010dn\u00ed f\u00f3lie a separa\u010dn\u00ed f\u00f3lie, kter\u00e1 zaji\u0161\u0165uje odtok p\u0159\u00edpadn\u00e9ho kondenz\u00e1tu pod krytinou. \u201eByla to na\u0161e prvn\u00ed zku\u0161enost s\u00a0touto krytinou, p\u0159i jej\u00ed\u017e pokl\u00e1dce je t\u0159eba dodr\u017eovat ur\u010dit\u00e1 pravidla. T\u00fdk\u00e1 se to hlavn\u011b pr\u00e1ce p\u0159i ni\u017e\u0161\u00edch teplot\u00e1ch, kdy m\u016f\u017ee materi\u00e1l p\u0159i v\u00fdrazn\u011bj\u0161\u00edm ohybu praskat. N\u00e1m na stavb\u011b po\u010das\u00ed p\u0159\u00e1lo a nav\u00edc jsme si v\u0161e usnadnili d\u00edlenskou p\u0159\u00edpravou,\u201c upozor\u0148uje Miroslav V\u00e1la na skute\u010dnost, \u017ee pr\u00e1ce klemp\u00ed\u0159\u016f se prakticky m\u011bn\u00ed ve \u201eskl\u00e1da\u010dku\u201c.<\/p>\n<p>M\u00edsto d\u0159\u00edve tradi\u010dn\u00edho ru\u010dn\u00edho \u201estav\u011bn\u00ed\u201c a n\u00e1sledn\u00e9ho uzav\u00edr\u00e1n\u00ed falc\u016f p\u0159i\u0161la \u00e9ra strojn\u00edho zpracov\u00e1n\u00ed oh\u00fdba\u010dkami a falcova\u010dkami. Klemp\u00ed\u0159i si v\u0161ak rekonstrukci st\u0159echy vodn\u00ed elektr\u00e1rny St\u0159ekov mohli o n\u011bco usnadnit je\u0161t\u011b d\u00edky jednomu stroji, kter\u00fdm byl tamn\u00ed port\u00e1lov\u00fd je\u0159\u00e1b. Pomohl jim transportovat dovezen\u00fd materi\u00e1l p\u0159\u00edmo na st\u0159echu, kde se jednotliv\u00e9 zhruba 10 metr\u016f dlouh\u00e9 p\u00e1sy krytiny postupn\u011b p\u0159ipev\u0148ovaly p\u0159\u00edponkami k\u00a0podkladu a n\u00e1sledn\u011b spojovaly falcova\u010dkou.<\/p>\n<p>\u0158emesln\u00e1 zru\u010dnost a \u0161ikovnost v\u0161ak byla t\u0159eba nejen p\u0159i t\u011bchto prac\u00edch, ale taky p\u0159i opracov\u00e1n\u00ed nejr\u016fzn\u011bj\u0161\u00edch detail\u016f. T\u00edm nejv\u011bt\u0161\u00edm bylo bezesporu oplechov\u00e1n\u00ed repasovan\u00e9 konstrukce posuvn\u00e9 st\u0159echy, kter\u00e1 se pohybuje po ocelov\u00fdch kolejnic\u00edch. D\u00e1le to bylo t\u0159eba proveden\u00ed odv\u011btr\u00e1van\u00e9ho h\u0159ebene, \u010detn\u00e9 bodov\u00e9 kotven\u00ed hromosvodu nebo oplechov\u00e1n\u00ed strojovny v\u00fdtahu. To v\u0161e by m\u011blo zajistit \u017eivotnost nov\u00e9 st\u0159echy na dal\u0161\u00ed des\u00edtky let. B\u011bhem nich ji jist\u011b prov\u011b\u0159\u00ed nejen pov\u011bstn\u00fd zub \u010dasu, ale ob\u010das tak\u00e9 extr\u00e9mn\u00ed v\u00edtr \u010di d\u00e9\u0161\u0165.<\/p>\n<p><a href=\"https:\/\/www.nedzink.com\/wp-content\/uploads\/2019\/09\/images-2.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-large wp-image-49338\" src=\"https:\/\/www.nedzink.com\/wp-content\/uploads\/2019\/09\/images-2-1024x220.jpg\" alt=\"\" width=\"1024\" height=\"220\" srcset=\"https:\/\/www.nedzink.com\/wp-content\/uploads\/2019\/09\/images-2-1024x220.jpg 1024w, https:\/\/www.nedzink.com\/wp-content\/uploads\/2019\/09\/images-2-300x65.jpg 300w, https:\/\/www.nedzink.com\/wp-content\/uploads\/2019\/09\/images-2-404x87.jpg 404w, https:\/\/www.nedzink.com\/wp-content\/uploads\/2019\/09\/images-2.jpg 1557w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Masarykovo zdymadlo jako jedna ze Staveb stolet\u00ed<\/strong><br \/>\nZdymadlo p\u0159et\u00ednaj\u00edc\u00ed Labe pod hradem St\u0159ekov v \u00dast\u00ed na Labem bylo postaveno v\u00a0letech 1924 a\u017e 1936 pro zlep\u0161en\u00ed splavnosti tamn\u00edch pe\u0159ej\u00ed. Je posledn\u00edm vodn\u00edm stupn\u011bm labsk\u00e9 vodn\u00ed cesty na \u010desk\u00e9m \u00fazem\u00ed. V obdob\u00ed prvn\u00ed republiky pat\u0159ilo mezi nejv\u011bt\u0161\u00ed a nejmodern\u011bj\u0161\u00ed stavby sv\u00e9ho druhu nejen na na\u0161em \u00fazem\u00ed, ale i v Evrop\u011b. K p\u0159ekon\u00e1n\u00ed v\u00fd\u0161kov\u00e9ho rozd\u00edlu vodn\u00ed hladiny slou\u017e\u00ed plavebn\u00ed komory, z\u00a0nich\u017e v\u011bt\u0161\u00ed m\u00e1 rozm\u011bry 170 x 24 m a men\u0161\u00ed dvoud\u00edln\u00e1 173,7 x 13 m. P\u0159esto\u017ee byly postaveny p\u0159ed v\u00edce ne\u017e 80 lety, jsou jejich parametry st\u00e1le dosta\u010duj\u00edc\u00ed.<\/p>\n<p>Z\u00e1kladem zdymadla je jez o \u010dty\u0159ech pol\u00edch s dvojit\u00fdmi ocelov\u00fdmi deskov\u00fdmi hradidly, kter\u00e1 jsou zav\u011b\u0161ena na tzv. Gallov\u00fdch \u0159et\u011bzech na ocelov\u00e9m most\u011b, v jeho\u017e \u00fatrob\u00e1ch je um\u00edst\u011bna strojovna elektromotor\u016f i vel\u00edn. Vodn\u00ed elektr\u00e1rna, kter\u00e1 je um\u00edst\u011bna na lev\u00e9m b\u0159ehu Labe, je osazen\u00e1 t\u0159emi vertik\u00e1ln\u00edmi Kaplanov\u00fdmi turb\u00ednami o celkov\u00e9m v\u00fdkonu 19,5 MW. Na rozd\u00edl od v\u011bt\u0161iny \u010desk\u00fdch vodn\u00edch elektr\u00e1ren je vyu\u017e\u00edv\u00e1na stabiln\u011b.<\/p>\n<p>Zaj\u00edmavost\u00ed je, \u017ee technick\u00e1 l\u00e1vka zdymadla je v denn\u00edm provozu p\u0159\u00edstupn\u00e1 a slou\u017e\u00ed jako sou\u010d\u00e1st turistick\u00e9 stezky. Historicky byla stavba, kterou navrhl architekt Franti\u0161ek Vahala, pova\u017eov\u00e1na za vstupn\u00ed br\u00e1nu \u010desko-n\u011bmeck\u00e9 vodn\u00ed cesty. Pr\u00e1v\u011b proto byl na \u010dela plavebn\u00edch komor osazen reli\u00e9f \u010desk\u00e9ho lva se jm\u00e9nem prezidenta T. G. Masaryka. Za n\u011bmeck\u00e9 okupace byl st\u00e1tn\u00ed znak odstran\u011bn a navr\u00e1cen byl v novotvaru teprve v roce 2010.<\/p>\n<p>Zdymadlo je od roku 1958 chr\u00e1n\u011bnou kulturn\u00ed pam\u00e1tkou. Jeho mimo\u0159\u00e1dn\u00fd v\u00fdznam potvrdila leto\u0161n\u00ed sout\u011b\u017e \u201e\u010cesk\u00e9 a Slovensk\u00e9 Stavby stolet\u00ed 1918 \u2013 2018\u201c, do kter\u00e9 bylo p\u0159i 100. v\u00fdro\u010d\u00ed vzniku republiky nominov\u00e1no celkem sto staveb. Masarykovo zdymadlo obsadilo ve ve\u0159ejn\u00e9m hlasov\u00e1n\u00ed, kter\u00e9 prob\u00edhalo od dubna do z\u00e1\u0159\u00ed, druh\u00e9 m\u00edsto. V\u00edt\u011bzem ankety se stal vys\u00edla\u010d a hotel Je\u0161t\u011bd. V prvn\u00ed p\u011btici \u010desko-slovensk\u00fdch Staveb stolet\u00ed se d\u00e1le um\u00edstilo koupali\u0161t\u011b \u201eZelen\u00e1 \u017eaba\u201c Tren\u010diansk\u00e9 Teplice a tak\u00e9 dva soubory staveb, pohrani\u010dn\u00ed opevn\u011bn\u00ed a tzv. Salon republiky v Hradci Kr\u00e1lov\u00e9.[\/vc_column_text][\/vc_column][\/vc_row]\n","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][vc_column_text css=&#8220;.vc_custom_1567585650748{margin-bottom: 0px !important;}&#8220;]Kulturn\u00ed pam\u00e1tky se obnovuj\u00ed do d\u0159\u00edv\u011bj\u0161\u00ed kr\u00e1sy z r\u016fzn\u00fdch d\u016fvod\u016f. Nej\u010dast\u011bji se tak d\u011bje kv\u016fli p\u0159irozen\u00e9mu st\u00e1rnut\u00ed jejich konstrukc\u00ed a materi\u00e1l\u016f. N\u011bkdy se ov\u0161em projev\u00ed i jin\u00e9, m\u00e9n\u011b p\u0159edv\u00eddateln\u00e9, faktory, jako jsou nap\u0159\u00edklad p\u0159\u00edrodn\u00ed \u017eivly. Pr\u00e1v\u011b jejich p\u016fsoben\u00ed mnohdy m\u00edv\u00e1 ni\u010div\u00e9 n\u00e1sledky, co\u017e platilo tak\u00e9 v p\u0159\u00edpad\u011b st\u0159echy vodn\u00ed elektr\u00e1rny St\u0159ekov, kter\u00e1 [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":49318,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[98],"tags":[],"class_list":["post-49307","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-zpravy"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Rekonstrukce st\u0159echy vodn\u00ed elektr\u00e1rny St\u0159ekov &#8211; NedZink<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.nedzink.com\/cs\/rekonstrukce-strechy-vodni-elektrarny-strekov\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Rekonstrukce st\u0159echy vodn\u00ed elektr\u00e1rny St\u0159ekov &#8211; NedZink\" \/>\n<meta property=\"og:description\" content=\"[vc_row][vc_column][vc_column_text css=&#8220;.vc_custom_1567585650748{margin-bottom: 0px !important;}&#8220;]Kulturn\u00ed pam\u00e1tky se obnovuj\u00ed do d\u0159\u00edv\u011bj\u0161\u00ed kr\u00e1sy z r\u016fzn\u00fdch d\u016fvod\u016f. 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