{"id":2107,"date":"2024-01-23T00:21:54","date_gmt":"2024-01-22T23:21:54","guid":{"rendered":"https:\/\/www.zahadyazajimavosti.cz\/?p=2107"},"modified":"2024-03-03T20:31:48","modified_gmt":"2024-03-03T19:31:48","slug":"koleje-na-azorskych-ostrovech","status":"publish","type":"post","link":"https:\/\/www.zahadyazajimavosti.cz\/index.php\/2024\/01\/23\/koleje-na-azorskych-ostrovech\/","title":{"rendered":"Koleje na Azorsk\u00fdch ostrovech?"},"content":{"rendered":"<p><strong>Z\u00e1hadn\u00e9 stopy v l\u00e1v\u011b<\/strong><!--more--><\/p>\n<p>Z\u00e1hadn\u00e9 vyjet\u00e9 koleje nejsou jen na Malt\u011b. Koleje na ostrovech Malta a Gozo jsou vyryty v kamenit\u00e9 p\u016fd\u011b, o r\u016fzn\u00fdch rozm\u011brech a hloubk\u00e1ch, v\u017edy dv\u011b vedle sebe.<\/p>\n<p>Nejb\u011b\u017en\u011bj\u0161\u00edm vysv\u011btlen\u00edm pro vznik takov\u00fdch stop je, \u017ee jsou poz\u016fstatkem po j\u00edzd\u011b jak\u00fdchsi voz\u00edk\u016f, kter\u00fdmi se cosi dopravovalo z pob\u0159e\u017e\u00ed, do m\u011bst a m\u00edst ve vnitrozem\u00ed. K tah\u00e1n\u00ed se pr\u00fd pou\u017e\u00edvaly jako ta\u017en\u00e1 zv\u00ed\u0159ata kon\u011b nebo dobytek, a rovn\u011b\u017e i lid\u00e9. P\u0159edm\u011btem st\u00e1l\u00fdch debat ale z\u016fst\u00e1v\u00e1, kdy byl v\u00e1penec na Malt\u011b tak m\u011bkk\u00fd, aby v n\u011bm bylo mo\u017en\u00e9 vyr\u00fdt koleje, a kolikr\u00e1t se musely voz\u00edky v p\u016fd\u011b projet, ne\u017e z\u00edskaly takov\u00e9 tvary.<\/p>\n<p>Azory se skl\u00e1daj\u00ed z dev\u00edti ostrov\u016f a nach\u00e1z\u00ed se v Atlantsk\u00e9m oce\u00e1nu. V\u0161echny jsou sope\u010dn\u00e9ho p\u016fvodu.<\/p>\n<p>Koleje na Azorech jsou proto velmi neobvykl\u00e9. Stopy zde nejsou, jako na Malt\u011b ve v\u00e1penci, ale v l\u00e1v\u011b. A ta je ov\u0161em v m\u011bkk\u00e9m stavu, jak je dob\u0159e zn\u00e1mo, velmi hork\u00e1.<\/p>\n<p>L\u00e1va je tekut\u00e1 p\u0159i teplot\u011b 1200 stup\u0148\u016f Celsia, a i kdy\u017e je ochlazovan\u00e1 p\u016fdou a vzduchem, je st\u00e1le hork\u00e1 asi 350 a\u017e 400 stup\u0148\u016f Celsia.<\/p>\n<p>Pokud by voz\u00edk m\u011bl vyjet v takov\u00e9 l\u00e1v\u011b koleje, musel by m\u00edt speci\u00e1ln\u00ed kola. Kdo by ho ale tla\u010dil nebo t\u00e1hl?<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2108 size-full\" src=\"https:\/\/www.zahadyazajimavosti.cz\/wp-content\/uploads\/2024\/03\/zaz_koleje_na_azorskych_ostrovech1.jpg\" alt=\"\" width=\"450\" height=\"446\" srcset=\"https:\/\/www.zahadyazajimavosti.cz\/wp-content\/uploads\/2024\/03\/zaz_koleje_na_azorskych_ostrovech1.jpg 450w, https:\/\/www.zahadyazajimavosti.cz\/wp-content\/uploads\/2024\/03\/zaz_koleje_na_azorskych_ostrovech1-300x297.jpg 300w, https:\/\/www.zahadyazajimavosti.cz\/wp-content\/uploads\/2024\/03\/zaz_koleje_na_azorskych_ostrovech1-150x150.jpg 150w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/p>\n<p><strong>Zv\u00ed\u0159ata se \u017e\u00e1ruvzdorn\u00fdmi kopyty?<\/strong><\/p>\n<p>Nebo koleje vznikly u\u017e ve ztuhl\u00e9 l\u00e1v\u011b? Kdy\u017e l\u00e1va ztuhne, vytvo\u0159\u00ed obvykle \u010dedi\u010d. Podle 10 stupnov\u00e9 \u0161k\u00e1ly tvrdosti pro miner\u00e1ly, kterou navrhl rakousk\u00fd mineralog Friedrich Mohs, m\u00e1 \u010dedi\u010d tvrdost minim\u00e1ln\u011b nejm\u00e9n\u011b 6,5 a 7. Jak\u00fd v\u016fz by tedy mohl takov\u00e9 koleje vytvo\u0159it?<\/p>\n<p>Hans-Dieter Gauss si tyto ot\u00e1zky klade v \u010dasopise<em> Sagenhafte Zeiten<\/em>.<\/p>\n<ul>\n<li>O maltsk\u00fdch kolej\u00edch viz: <a href=\"https:\/\/www.zahadyazajimavosti.cz\/index.php\/2023\/09\/13\/kdo-projel-kamenite-plane-malty\/\" target=\"_blank\" rel=\"noopener\">Kdo projel kamenit\u00e9 pl\u00e1n\u011b Malty? \u2013 Z\u00e1hady a zaj\u00edmavosti (ZaZ) (zahadyazajimavosti.cz)<\/a><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Z\u00e1hadn\u00e9 stopy v l\u00e1v\u011b<\/p>\n","protected":false},"author":1,"featured_media":450,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9,19],"tags":[24,42],"class_list":["post-2107","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-historie","category-zahady","tag-evropa","tag-geologie"],"_links":{"self":[{"href":"https:\/\/www.zahadyazajimavosti.cz\/index.php\/wp-json\/wp\/v2\/posts\/2107","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zahadyazajimavosti.cz\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zahadyazajimavosti.cz\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zahadyazajimavosti.cz\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zahadyazajimavosti.cz\/index.php\/wp-json\/wp\/v2\/comments?post=2107"}],"version-history":[{"count":1,"href":"https:\/\/www.zahadyazajimavosti.cz\/index.php\/wp-json\/wp\/v2\/posts\/2107\/revisions"}],"predecessor-version":[{"id":2109,"href":"https:\/\/www.zahadyazajimavosti.cz\/index.php\/wp-json\/wp\/v2\/posts\/2107\/revisions\/2109"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.zahadyazajimavosti.cz\/index.php\/wp-json\/wp\/v2\/media\/450"}],"wp:attachment":[{"href":"https:\/\/www.zahadyazajimavosti.cz\/index.php\/wp-json\/wp\/v2\/media?parent=2107"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zahadyazajimavosti.cz\/index.php\/wp-json\/wp\/v2\/categories?post=2107"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zahadyazajimavosti.cz\/index.php\/wp-json\/wp\/v2\/tags?post=2107"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}