[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.anov.cz\/drevo-a-vyrobky-z-nej\/#Article","mainEntityOfPage":"https:\/\/www.anov.cz\/drevo-a-vyrobky-z-nej\/","headline":"D\u0159evo a v\u00fdrobky z n\u011bj","name":"D\u0159evo a v\u00fdrobky z n\u011bj","description":"D\u0159evo a v\u00fdrobky z n\u011bj D\u0159evo bylo od prad\u00e1vna pot\u0159ebnou a \u010dasto vyhled\u00e1vanou surovinou. Poskytovalo teplo a sv\u011btlo v podobn\u011b ohn\u011b, ale tak\u00e9 m\u011blo a…","datePublished":"2021-08-04","dateModified":"2023-06-05","author":{"@type":"Person","@id":"https:\/\/www.anov.cz\/author\/#Person","name":"","url":"https:\/\/www.anov.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/40308b9402d145b1dc164f447b6506e9dadca8c8362c3ffb52df95e789c0fd10?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/40308b9402d145b1dc164f447b6506e9dadca8c8362c3ffb52df95e789c0fd10?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"anov.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.anov.cz\/wp-content\/uploads\/nabytek_1.jpg","url":"https:\/\/www.anov.cz\/wp-content\/uploads\/nabytek_1.jpg","height":0,"width":0},"url":"https:\/\/www.anov.cz\/drevo-a-vyrobky-z-nej\/","about":["Vztahy"],"wordCount":410,"articleBody":"    D\u0159evo a v\u00fdrobky z n\u011bjD\u0159evo bylo od prad\u00e1vna pot\u0159ebnou a \u010dasto vyhled\u00e1vanou surovinou. Poskytovalo teplo a sv\u011btlo v podobn\u011b ohn\u011b, ale tak\u00e9 m\u011blo a dodnes m\u00e1 svoji nezastupitelnou funkci ve stavebnictv\u00ed a n\u00e1bytk\u00e1\u0159stv\u00ed. Kr\u00e1sn\u00fdm p\u0159\u00edkladem um\u011bleck\u00e9ho zpracov\u00e1n\u00ed d\u0159eva m\u016f\u017ee b\u00fdt selsk\u00fd n\u00e1bytek .Druhy d\u0159evaD\u0159evo je velmi obl\u00edben\u00fd a cen\u011bn\u00fd materi\u00e1l. Nab\u00edz\u00ed \u0159adu zp\u016fsob\u016f zpracov\u00e1n\u00ed. Li\u0161\u00ed se nejen barevn\u00fdmi \u0161k\u00e1lami, ale tak\u00e9 sv\u00fdmi vlastnostmi a v neposledn\u00ed \u0159ad\u011b jsou tvrdost\u00ed. D\u0159eva, kter\u00e1 tzv. m\u011bkk\u00e1, v\u011bt\u0161inou poch\u00e1z\u00ed z na\u0161ich jehli\u010dnat\u00fdch strom\u016f, typicky smrk a borovice. V p\u0159\u00edpad\u011b strom\u016f listnat\u00fdch se jedn\u00e1 p\u0159edev\u0161\u00edm o l\u00edpu, vrbu nebo topol. Dob\u0159e se opracov\u00e1vaj\u00ed, ale jsou n\u00e1chyln\u011bj\u0161\u00ed na po\u0161kozen\u00ed. D\u00e1le zde m\u00e1me skupinu st\u0159edn\u011b tvrd\u00fdch d\u0159ev. Do t\u00e9to kategorie m\u016f\u017eeme sm\u011ble za\u0159adit zn\u00e1m\u00e9 stromy jako je o\u0159ech, dub jasan \u010di jilm. A posledn\u00ed kategori\u00ed je d\u0159evo tvrd\u00e9. Jak ji\u017e z n\u00e1zvu vypl\u00edv\u00e1, jedn\u00e1 se materi\u00e1l, kter\u00fd se sice h\u016f\u0159e opracov\u00e1v\u00e1, ale zato je st\u00e1lej\u0161\u00ed. Do t\u00e9to skupiny \u0159ad\u00edme d\u0159eva, kter\u00e1 poch\u00e1z\u00ed ze strom\u016f, jako jsou habr, ak\u00e1t nebo tis.Vyu\u017eit\u00ed d\u0159evaZmi\u0148ovan\u00fd smrk nach\u00e1z\u00ed sv\u00e9 uplatn\u011bn\u00ed p\u0159edev\u0161\u00edm ve stavebnictv\u00ed, tesa\u0159stv\u00ed, truhl\u00e1\u0159stv\u00ed a n\u00e1bytk\u00e1\u0159stv\u00ed. Ze smrku se vyr\u00e1b\u00ed i n\u011bkter\u00e9 hudebn\u00ed n\u00e1stroje. Jedn\u00e1 se o m\u011bkk\u00e9, ale pru\u017en\u00e9 d\u0159evo. Jeho men\u0161\u00ed odolnost a trvanlivost lze o\u0161et\u0159it r\u016fzn\u00fdmi chemick\u00fdmi metodami. Borovice je \u010dasto vyhled\u00e1van\u00fd materi\u00e1l v n\u00e1bytk\u00e1\u0159stv\u00ed a truhl\u00e1\u0159stv\u00ed, a to hlavn\u011b pro svou v\u00fdraznou kruhovou kresbu letokruh\u016f. M\u016f\u017ee se pou\u017e\u00edt i ke konstruk\u010dn\u00edm \u00fa\u010del\u016fm. Nav\u00edc pro sv\u016fj vysok\u00fd obsah prysky\u0159ice nach\u00e1z\u00ed uplatn\u011bn\u00ed i v chemick\u00e9m pr\u016fmyslu. Jedle byla d\u0159\u00edve hojn\u011b vyu\u017e\u00edvan\u00e1 pro v\u00fdrobu n\u00e1bytku, lodn\u00edch sto\u017e\u00e1r\u016f \u010di \u010dlun\u016f. Bohu\u017eel jedle nedok\u00e1\u017ee dob\u0159e \u010delit pr\u016fmyslov\u00fdm exhalac\u00edm. Proto jej\u00ed zastoupen\u00ed v na\u0161\u00ed krajin\u011b pom\u011brn\u011b v\u00fdrazn\u011b kleslo. Je to d\u0159evo kvalitn\u00ed, ale v sou\u010dasnosti u n\u00e1s \u0161patn\u011b dostupn\u00e9.                                                                                                                                                                                                                                                                                                                                                                                                 "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"D\u0159evo a v\u00fdrobky z n\u011bj","item":"https:\/\/www.anov.cz\/drevo-a-vyrobky-z-nej\/#breadcrumbitem"}]}]