{"id":693,"date":"2019-02-17T17:15:23","date_gmt":"2019-02-17T17:15:23","guid":{"rendered":"http:\/\/www.tulak.cz\/?p=693"},"modified":"2019-02-17T17:50:42","modified_gmt":"2019-02-17T17:50:42","slug":"pozorovatelny","status":"publish","type":"post","link":"https:\/\/www.tulak.cz\/index.php\/2019\/02\/17\/pozorovatelny\/","title":{"rendered":"Pozorovatelny"},"content":{"rendered":"\n<p>Tyto stavby slou\u017e\u00ed k tomu, abychom z\u00edskali p\u011bkn\u00fd rozhled po t\u00e1bo\u0159i\u0161ti nebo po kraji. Zvol\u00edme pro n\u011b proto pokud je to mo\u017en\u00e9 vyv\u00fd\u0161en\u00e9 m\u00edsto. Stav\u00edme je bu\u010f jednoduch\u00e9, jen pro jednoho \u010dlov\u011bka, nebo d\u016fkladn\u011bj\u0161\u00ed a v\u011bt\u0161\u00ed pro v\u00edce lid\u00ed. Jednoduch\u00e1 v\u011b\u017e jsou vlastn\u011b dva \u017eeb\u0159\u00edky, dole zapu\u0161t\u011bn\u00e9 do zem\u011b, kter\u00e9 se k vrcholu zu\u017euj\u00ed. Tyto dva \u017eeb\u0159\u00edky postav\u00edme proti sob\u011b, p\u0159idr\u017e\u00edme lany a postupn\u011b spojujeme p\u0159\u00ed\u010dkami, na kter\u00e9 hned stoup\u00e1me, abychom p\u0159ipevnili vy\u0161\u0161\u00ed p\u0159\u00ed\u010dky. Konec \u017eeb\u0159\u00edk\u016f nech\u00e1me jako z\u00e1bradl\u00ed, pod kter\u00fdm p\u0159ipevn\u00edme na p\u0159\u00ed\u010dky podlahu. V\u011bt\u0161\u00ed, rozm\u011brn\u011bj\u0161\u00ed v\u011b\u017ee stav\u00edme podobn\u011b s t\u00edm rozd\u00edlem, \u017ee m\u00edsto dvou \u017eeb\u0159\u00edk\u016f mus\u00edme u\u017e na zemi ud\u011blat dv\u011b stejn\u00e9 konstrukce z kmen\u016f, kter\u00e9 jsou sm\u011brem nahoru u\u017e\u0161\u00ed a jsou spojeny p\u0159\u00ed\u010dn\u011b i \u00fahlop\u0159\u00ed\u010dn\u011b. V\u0161echny spoje mus\u00ed b\u00fdt provedeny pe\u010dliv\u011b a p\u0159esn\u011b. V\u016fle v z\u00e1\u0159ez\u00edch znamen\u00e1, \u017ee cel\u00e1 konstrukce bude rozviklan\u00e1. Tyto dv\u011b konstrukce, zapu\u0161t\u011bn\u00e9 a upevn\u011bn\u00e9 v zemi co nejhloub\u011bji, postav\u00edme v \u00fahlu proti sob\u011b a lany provizorn\u011b p\u0159idr\u017eujeme. P\u0159i vzty\u010dov\u00e1n\u00ed konstrukc\u00ed bu\u010fme opatrn\u00ed, aby n\u00e1m cel\u00e1 vaz-ba nespadla, nebo se neuvolnila jej\u00ed \u010d\u00e1st a n\u011bkoho nezranila. Pom\u00e1h\u00e1me si lany, kter\u00e9 v\u017edy dr\u017e\u00ed n\u011bkolik t\u00e1born\u00edk\u016f a sou\u010dasn\u011b podp\u00edr\u00e1me stavbu &#8222;n\u016f\u017ekami&#8220;. Jsou to dva kusy kulatiny pro ten \u00fa\u010del sv\u00e1zan\u00e9 asi v horn\u00ed p\u011btin\u011b. Jakmile nezved\u00e1me nebo nepohybujeme vazbou, mus\u00ed v\u017edy hlavn\u00ed tr\u00e1my vazby b\u00fdt podep\u0159eny naplno &#8222;n\u016f\u017ekami&#8220;, aby se zvedaj\u00edc\u00ed nevysilovali. M\u00e1me-li konstrukci v definitivn\u00ed poloze zah\u00e1z\u00edme a up\u011bchujeme j\u00e1my vedle sloup\u016f (p\u0159id\u00e1me kameny a zatlu\u010deme vedle kol\u00edky) a za\u010dneme s p\u0159ib\u00edjen\u00edm p\u0159\u00ed\u010dek, vzd\u00e1len\u00fdch od sebe na v\u00fd\u0161ku \u010dlov\u011bka. Mezi p\u0159\u00ed\u010dky p\u0159ibijeme k\u0159\u00ed\u017eem v\u00fdztu\u017e. Podlahu p\u0159ipevn\u00edme na v\u00edce tr\u00e1mk\u016f. K v\u00fdstupu slou\u017e\u00ed zvl\u00e1\u0161tn\u00ed \u017eeb\u0159\u00edk. V\u011b\u017e zpevn\u00edme \u00fahlop\u0159\u00ed\u010dn\u00fdmi tr\u00e1mky spojuj\u00edc\u00edmi protilehl\u00e9 kouty dvou vazeb. Spoje mus\u00ed b\u00fdt p\u0159esn\u011b provedeny. Tyto stavby mohou b\u00fdt vysok\u00e9 2-10 m, m\u011b\u0159eno po podlahu.<br><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"576\" height=\"861\" src=\"http:\/\/www.tulak.cz\/wp-content\/uploads\/2019\/02\/pozorov.gif\" alt=\"\" class=\"wp-image-694\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Tyto stavby slou\u017e\u00ed k tomu, abychom z\u00edskali p\u011bkn\u00fd rozhled po t\u00e1bo\u0159i\u0161ti nebo po kraji. Zvol\u00edme pro n\u011b proto pokud je to mo\u017en\u00e9 vyv\u00fd\u0161en\u00e9 m\u00edsto. Stav\u00edme je bu\u010f jednoduch\u00e9, jen pro jednoho \u010dlov\u011bka, nebo d\u016fkladn\u011bj\u0161\u00ed a v\u011bt\u0161\u00ed pro v\u00edce lid\u00ed. Jednoduch\u00e1 v\u011b\u017e jsou vlastn\u011b dva \u017eeb\u0159\u00edky, dole zapu\u0161t\u011bn\u00e9 do zem\u011b, kter\u00e9 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":695,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-693","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tabornicka-praxe"],"_links":{"self":[{"href":"https:\/\/www.tulak.cz\/index.php\/wp-json\/wp\/v2\/posts\/693","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tulak.cz\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tulak.cz\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tulak.cz\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tulak.cz\/index.php\/wp-json\/wp\/v2\/comments?post=693"}],"version-history":[{"count":1,"href":"https:\/\/www.tulak.cz\/index.php\/wp-json\/wp\/v2\/posts\/693\/revisions"}],"predecessor-version":[{"id":696,"href":"https:\/\/www.tulak.cz\/index.php\/wp-json\/wp\/v2\/posts\/693\/revisions\/696"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.tulak.cz\/index.php\/wp-json\/wp\/v2\/media\/695"}],"wp:attachment":[{"href":"https:\/\/www.tulak.cz\/index.php\/wp-json\/wp\/v2\/media?parent=693"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tulak.cz\/index.php\/wp-json\/wp\/v2\/categories?post=693"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tulak.cz\/index.php\/wp-json\/wp\/v2\/tags?post=693"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}