{"id":24934,"date":"2019-05-06T16:26:19","date_gmt":"2019-05-06T14:26:19","guid":{"rendered":"http:\/\/136.144.181.85\/~nedzink\/caracteristicile-titan-zincului\/dilatarea-termica\/"},"modified":"2019-08-05T15:49:18","modified_gmt":"2019-08-05T13:49:18","slug":"dilatarea-termica","status":"publish","type":"page","link":"https:\/\/www.nedzink.com\/ro\/caracteristicile-titan-zincului\/dilatarea-termica\/","title":{"rendered":"Dilatarea termic\u0103"},"content":{"rendered":"[vc_row][vc_column][vc_column_text css=&#8221;.vc_custom_1563536719414{margin-bottom: 0px !important;}&#8221;]<strong>Dilatarea termic\u0103<\/strong><br \/>\nTitan-zincul are un coeficient de dilatare liniar\u0103 relativ mare: 0.022 mm\/(m.K)<\/p>\n<p>Literatura de specialitate se refer\u0103 la expansiunea zincului, de\u015fi termenul corect este dilatare termic\u0103 liniar\u0103. Materialul de fapt se \u00eentinde \u015fi se contract\u0103.<\/p>\n<p>Exemplu: un jgheab de 8 metri lungime este pus \u00een oper\u0103 la o temperatur\u0103 de 15\u00b0C. Coeficientul T este egal cu 100 K. Expansiunea termic\u0103 maxim\u0103 pe timpul verii este de 11.44 mm. Contractarea maxim\u0103 \u00een timpul iernii este de 6.16 mm. Dilatarea termic\u0103 total\u0103 a jgheabului este de 17.6 mm.<\/p>\n<p>Dilatarea termic\u0103 total\u0103 nu trebuie s\u0103 dep\u0103\u015feasc\u0103 20 mm. Dac\u0103 dilatarea termic\u0103 este mai mare de 20 mm trebuie folosit un element de compensare a dilat\u0103rii.<\/p>\n<p><strong>Element de compensare a dilat\u0103rii<\/strong><br \/>\nElementele de compensare a dilat\u0103rii sunt necesare pentru a absorbi expansiunea \u015fi contractarea materialului. La proiectarea uni jgheab, a unei \u00eenvelitori sau a unei plac\u0103ri de fa\u0163ad\u0103, din cauza coeficientului de expansiune liniar\u0103 mare, dilatarea termic\u0103 \u015fi expansiunea trebuie luate \u00een considerare.<\/p>\n<p>La aplicarea jgheaburilor se poate folosi un element de dilatare cu cauciuc. Se poate folosi un element de dilatare din zinc alc\u0103tuit din man\u0219oane de dilatare \u015fi o band\u0103 de separare realizat\u0103 total din zinc.<\/p>\n<p><strong>Tabel: Element de dilatare pentru jgheaburi<\/strong><br \/>\nJgheaburi cu vul\u021b de 20 mm \u0219i grosime de 0.80 mm<br \/>\n(Desf\u0103\u0219urat\u0103 \u00eentre 300 mm \u0219i 700 mm)[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text css=&#8221;.vc_custom_1563536954573{margin-bottom: 0px !important;}&#8221;]\n<table class=\"overzicht\" style=\"table-layout: fixed; border-collapse: collapse;\">\n<tbody>\n<tr>\n<th style=\"background-color: #b6b6b6 !important;\" colspan=\"6\">Jgheab ngropat<\/th>\n<\/tr>\n<tr>\n<td colspan=\"2\"><\/td>\n<th style=\"text-align: center !important;\" colspan=\"4\">Distan\u0163a maxim\u0103 \u00een metri \u00eentre dou\u0103 elemente de dilatare<\/th>\n<\/tr>\n<tr>\n<td><\/td>\n<th>Max. jgheab lungime \u00een metri f\u0103r\u0103 man\u0219on de expansiune<\/th>\n<th style=\"text-align: center !important;\" colspan=\"2\">L\u0103\u0163imea desf\u0103\u015furat\u0103 a jgheabului &lt; 550MM<\/th>\n<th style=\"text-align: center !important;\" colspan=\"2\">L\u0103\u0163imea desf\u0103\u015furat\u0103 a jgheabului &gt; 550MM<\/th>\n<\/tr>\n<tr>\n<td>2 capete libere ****<\/td>\n<td style=\"text-align: center !important;\">12<\/td>\n<td style=\"text-align: center !important;\">12<\/td>\n<td style=\"text-align: center !important;\">9<\/td>\n<td style=\"text-align: center !important;\">9<\/td>\n<td style=\"text-align: center !important;\">6<\/td>\n<\/tr>\n<tr>\n<td>1 cap\u0103t liber ****<\/td>\n<td style=\"text-align: center !important;\">6<\/td>\n<td style=\"text-align: center !important;\">6<\/td>\n<td style=\"text-align: center !important;\">4,5<\/td>\n<td style=\"text-align: center !important;\">4,5<\/td>\n<td style=\"text-align: center !important;\">3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table class=\"overzicht\" style=\"table-layout: fixed; border-collapse: collapse;\">\n<tbody>\n<tr>\n<th style=\"background-color: #b6b6b6 !important;\" colspan=\"6\">Jgheab cu c\u00e2rlige<\/th>\n<\/tr>\n<tr>\n<td colspan=\"2\"><\/td>\n<th style=\"text-align: center !important;\" colspan=\"4\">Distan\u0163a maxim\u0103 \u00een metri \u00eentre dou\u0103 elemente de dilatare<\/th>\n<\/tr>\n<tr>\n<td><\/td>\n<th>Max. jgheab lungime \u00een metri f\u0103r\u0103 man\u0219on de expansiune<\/th>\n<th style=\"text-align: center !important;\" colspan=\"2\">L\u0103\u0163imea desf\u0103\u015furat\u0103 a jgheabului &lt; 550MM<\/th>\n<th style=\"text-align: center !important;\" colspan=\"2\">L\u0103\u0163imea desf\u0103\u015furat\u0103 a jgheabului &gt; 550MM<\/th>\n<\/tr>\n<tr>\n<td>2 capete libere ***<\/td>\n<td style=\"text-align: center !important;\">18<\/td>\n<td style=\"text-align: center !important;\">18<\/td>\n<td style=\"text-align: center !important;\">12<\/td>\n<td style=\"text-align: center !important;\">12<\/td>\n<td style=\"text-align: center !important;\">9<\/td>\n<\/tr>\n<tr>\n<td>1 cap\u0103t liber ***<\/td>\n<td style=\"text-align: center !important;\">9<\/td>\n<td style=\"text-align: center !important;\">9<\/td>\n<td style=\"text-align: center !important;\">6<\/td>\n<td style=\"text-align: center !important;\">6<\/td>\n<td style=\"text-align: center !important;\">4,5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>*** Spa\u0163iul liber de dilatare trebuie s\u0103 fie de cel pu\u0163in 10-15 mm<br \/>\n**** Spa\u0163iul liber de dilatare trebuie s\u0103 fie de cel pu\u0163in 20 mm[\/vc_column_text][\/vc_column][\/vc_row]\n","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][vc_column_text css=&#8221;.vc_custom_1563536719414{margin-bottom: 0px !important;}&#8221;]Dilatarea termic\u0103 Titan-zincul are un coeficient de dilatare liniar\u0103 relativ mare: 0.022 mm\/(m.K) Literatura de specialitate se refer\u0103 la expansiunea zincului, de\u015fi termenul corect este dilatare termic\u0103 liniar\u0103. Materialul de fapt se \u00eentinde \u015fi se contract\u0103. Exemplu: un jgheab de 8 metri lungime este pus \u00een oper\u0103 la o temperatur\u0103 de 15\u00b0C. [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"parent":24864,"menu_order":490,"comment_status":"closed","ping_status":"closed","template":"template-import.php","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-24934","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>Dilatarea termic\u0103 \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\" href=\"https:\/\/www.nedzink.com\/ro\/caracteristicile-titan-zincului\/dilatarea-termica\/\" \/>\n<meta property=\"og:locale\" content=\"ro_RO\" \/>\n<meta property=\"og:type\" 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