{"id":24931,"date":"2019-05-06T16:26:18","date_gmt":"2019-05-06T14:26:18","guid":{"rendered":"http:\/\/136.144.181.85\/~nedzink\/vlastnosti-vyrobku\/zmeny-delky-v-dusledku-teplotnich-rozdilu\/"},"modified":"2019-08-02T16:48:04","modified_gmt":"2019-08-02T14:48:04","slug":"zmeny-delky-v-dusledku-teplotnich-rozdilu","status":"publish","type":"page","link":"https:\/\/www.nedzink.com\/cs\/vlastnosti-vyrobku\/zmeny-delky-v-dusledku-teplotnich-rozdilu\/","title":{"rendered":"Zm\u011bny d\u00e9lky v d\u016fsledku teplotn\u00edch rozd\u00edl\u016f"},"content":{"rendered":"<h2>\n\tChov&aacute;n&iacute; p\u0159i rozta\u017enosti<\/h2>\n<p>\n\t&nbsp;<\/p>\n<p>\n\tMont&aacute;\u017en&iacute; d&iacute;ly z NedZink se upev\u0148uj&iacute; mezi sebou a na nosn&yacute; podklad tak, aby mohly bez po&scaron;kozen&iacute; absorbovat d&eacute;lkov&eacute; zm\u011bny v d\u016fsledku teplotn&iacute;ch rozd&iacute;l\u016f. V oblasti stavby se p\u0159edpokl&aacute;d&aacute; teplotn&iacute; rozp\u011bt&iacute; 100 &ordm;C (-20 &ordm;C a\u017e +80 &ordm;C). Tento p\u0159edpoklad je nutn&eacute; zapracovat do konstruk\u010dn&iacute;ch \u0159e&scaron;en&iacute;. V praxi vyplynulo na z&aacute;klad\u011b dlouholet&yacute;ch m\u011b\u0159en&iacute; spektrum od cca -15 &ordm;C do cca +65 &ordm;C. V extr&eacute;mn&iacute;ch situac&iacute;ch dos&aacute;huj&iacute; teploty tak&eacute; vy&scaron;&scaron;&iacute;ch hodnot.<\/p>\n<p>\n\tP\u0159i koeficientu rozta\u017enosti pro titanzinek 0,022 mm\/mK vych&aacute;z&iacute; pro mont&aacute;\u017en&iacute; d&iacute;l d&eacute;lky 10 m p\u0159i teplotn&iacute;m rozd&iacute;lu 100 &ordm;C zm\u011bna d&eacute;lky o 22 mm.<\/p>\n<p>\n\tPro stanoven&iacute; eliminace rozta\u017enosti je nutn&eacute; zohlednit teplotu p\u0159i mont&aacute;\u017ei, proto\u017ee doch&aacute;z&iacute; ve stejn&eacute; m&iacute;\u0159e ke smr&scaron;\u0165ov&aacute;n&iacute; a roztahov&aacute;n&iacute;.<\/p>\n<p>\n\tP\u0159&iacute;klad v&yacute;po\u010dtu:<\/p>\n<p>\n\tD&eacute;lka mont&aacute;\u017en&iacute;ho d&iacute;lu: 10 m; teplota p\u0159i mont&aacute;\u017ei: 10 &ordm;C<\/p>\n<p>\n\t+10 &ordm;C a\u017e -20 &ordm;C : smr&scaron;t\u011bn&iacute; 6,6 mm<\/p>\n<p>\n\t+10 &ordm;C a\u017e +80 &ordm;C : rozta\u017een&iacute; 15,4 mm<\/p>\n<p>\n\tMaxim&aacute;ln&iacute; vzd&aacute;lenosti dilata\u010dn&iacute;ch celk\u016f jsou uvedeny podle DIN 18339:2000-12 v n&aacute;sleduj&iacute;c&iacute; tabulce.<\/p>\n<p>\n\t<strong>P\u0159edepsan&eacute; hodnoty pro maxim&aacute;ln&iacute; vzd&aacute;lenosti dilata\u010dn&iacute;ch celk\u016f<\/strong><\/p>\n<table border=\"1\" cellpadding=\"0\" cellspacing=\"0\" style=\"width: 95%\">\n<tbody>\n<tr>\n<td>\n\t\t\t\t<strong>Stavebn&iacute; d&iacute;l<\/strong><\/td>\n<td align=\"center\" width=\"100\">\n\t\t\t\t<b>max. <\/b><strong>vzd&aacute;lenost<\/strong><\/td>\n<\/tr>\n<tr>\n<td>\n<p>\n\t\t\t\t\tNalepen&aacute; lemov&aacute;n&iacute;; rohov&aacute; pripojen&iacute;; podokapn&iacute; \u017elaby;<br \/>\n\t\t\t\t\tlemov&aacute;n&iacute; kraj\u016f&nbsp;st\u0159echy&nbsp;a nalepen&eacute; nouzov&eacute; p\u0159etoky&nbsp;u ploch&eacute; st\u0159echy&nbsp;v rovin\u011b&nbsp;podkladu:<\/p>\n<\/td>\n<td align=\"center\">\n\t\t\t\t6 m<\/td>\n<\/tr>\n<tr>\n<td>\n<p>\n\t\t\t\t\tOplechov&aacute;n&iacute; zdiva; lemov&aacute;n&iacute; st\u0159echy mimo rovinu podkladu; zaatikov&eacute; nep\u0159ilepen&eacute; \u017elaby s rozvinutou &scaron;&iacute;\u0159kou &gt; 500 mm<\/p>\n<\/td>\n<td align=\"center\">\n\t\t\t\t8 m<\/td>\n<\/tr>\n<tr>\n<td>\n<p>\n\t\t\t\t\tTa&scaron;ky pro krytiny st\u0159ech a obklady st\u011bn; zaatikov&eacute; nep\u0159ilepen&eacute; \u017elaby s rozvinutou &scaron;&iacute;\u0159kou &lt; 500 mm;<br \/>\n\t\t\t\t\tpodokapn&iacute; \u017elaby s rozvinutou &scaron;&iacute;\u0159kou &gt; 500 mm<\/p>\n<\/td>\n<td align=\"center\">\n\t\t\t\t10 m<\/td>\n<\/tr>\n<tr>\n<td>\n\t\t\t\tPodokapn&iacute; \u017elaby s rozvinutou &scaron;&iacute;\u0159kou &le; 500 mm<\/td>\n<td align=\"center\">\n\t\t\t\t15 m<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\n\t&nbsp;<\/h3>\n<h2>\n\tEliminice rozta\u017enosti<\/h2>\n<p>\n\t&nbsp;<\/p>\n<p>\n\tAby bylo mo\u017en&eacute; eliminovat v&yacute;&scaron;e uveden&eacute; pohyby zap\u0159&iacute;\u010din\u011bn&eacute; rozta\u017enost&iacute;, je nutn&eacute; prov&eacute;st krom\u011b opat\u0159en&iacute; uveden&yacute;ch v tabulce 1 tak&eacute; opat\u0159en&iacute; p\u0159i kladen&iacute; ta&scaron;ek.<\/p>\n<p>\n\t<strong>P\u0159&iacute;\u010dn&aacute; rozta\u017enost&iacute;<\/strong><\/p>\n<p>\n\tPohyby p\u0159&iacute;\u010dn\u011b k linii dr&aacute;\u017eky se zachycuj&iacute; vzd&aacute;len&iacute;m dr&aacute;\u017eky od podkladu o 3 &#8211; 5 mm. Toto je nutn&eacute; dodr\u017eet jak u ru\u010dn\u011b kladen&yacute;ch ta&scaron;ek, tak i p\u0159i strojov&eacute;m zhotovov&aacute;n&iacute; profil\u016f.<\/p>\n<p>\n\t<strong>Pod&eacute;ln&aacute; rozta\u017enost<\/strong><\/p>\n<p>\n\tPohyby rovnob\u011b\u017en&eacute; s lini&iacute; dr&aacute;\u017eky se zachycuj&iacute; jak nep\u0159&iacute;m&yacute;m p\u0159ipevn\u011bn&iacute;m p\u0159es podlo\u017eku (posuvnou p\u0159&iacute;ponku), tak vhodn&yacute;mi detaily p\u0159ipojen&iacute; a ukon\u010den&iacute; u okapu a u h\u0159ebene. Max. prodejn&iacute; d&eacute;lky st\u0159e&scaron;n&iacute;ch i fas&aacute;dn&iacute;ch krytin NedZink p\u0159i pou\u017eit&iacute; standardn&iacute;ch posuvn&yacute;ch p\u0159&iacute;ponek s dr&aacute;\u017ekou \u010din&iacute; 10 m. U v\u011bt&scaron;&iacute;ch d&eacute;lek je nutn&eacute; prov&eacute;st konstruk\u010dn&iacute; opat\u0159en&iacute;, nap\u0159.:<\/p>\n<ul>\n<li style=\"margin-left: 18pt; \">\n\t\t&nbsp; &nbsp; &nbsp; &nbsp; pod&eacute;ln&eacute; posuvn&eacute; p\u0159&iacute;ponky s dr&aacute;\u017ekou<\/li>\n<li style=\"margin-left: 18pt; \">\n\t\t&nbsp; &nbsp; &nbsp; &nbsp; p\u0159&iacute;\u010dn&aacute; spojen&iacute;<\/li>\n<li style=\"margin-left: 18pt; \">\n\t\t&nbsp; &nbsp; &nbsp; &nbsp; speci&aacute;ln&iacute; detaily pro p\u0159ipojen&iacute; a ukon\u010den&iacute;<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Chov&aacute;n&iacute; p\u0159i rozta\u017enosti &nbsp; Mont&aacute;\u017en&iacute; d&iacute;ly z NedZink se upev\u0148uj&iacute; mezi sebou a na nosn&yacute; podklad tak, aby mohly bez po&scaron;kozen&iacute; absorbovat d&eacute;lkov&eacute; zm\u011bny v d\u016fsledku teplotn&iacute;ch rozd&iacute;l\u016f. V oblasti stavby se p\u0159edpokl&aacute;d&aacute; teplotn&iacute; rozp\u011bt&iacute; 100 &ordm;C (-20 &ordm;C a\u017e +80 &ordm;C). Tento p\u0159edpoklad je nutn&eacute; zapracovat do konstruk\u010dn&iacute;ch \u0159e&scaron;en&iacute;. V praxi vyplynulo na z&aacute;klad\u011b [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"parent":24861,"menu_order":490,"comment_status":"closed","ping_status":"closed","template":"template-import.php","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-24931","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Zm\u011bny d\u00e9lky v d\u016fsledku teplotn\u00edch rozd\u00edl\u016f \u2013 NedZink<\/title>\n<meta name=\"description\" content=\"Lees op onze website meer over het uitzettingsco\u00ebffici\u00ebnt van titaanzink en het (eventueel) gebruiken van een expansievoorziening.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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