{"id":53,"date":"2020-06-25T19:46:22","date_gmt":"2020-06-25T19:46:22","guid":{"rendered":"http:\/\/www.baumbiologie.com\/?page_id=53"},"modified":"2024-02-22T10:08:34","modified_gmt":"2024-02-22T10:08:34","slug":"bohrkernanalytik","status":"publish","type":"page","link":"https:\/\/www.baumbiologie.com\/?page_id=53","title":{"rendered":"Fraktometrie"},"content":{"rendered":"\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"768\" data-id=\"1723\" src=\"https:\/\/www.baumbiologie.com\/wp-content\/uploads\/2020\/07\/20170809_112230-1-1024x768.jpg\" alt=\"Bohrkernentnahme, Zuwachsbohrer, Bohrkern, Baumgutachten, Baumgutachter\" class=\"wp-image-1723\" srcset=\"https:\/\/www.baumbiologie.com\/wp-content\/uploads\/2020\/07\/20170809_112230-1-1024x768.jpg 1024w, https:\/\/www.baumbiologie.com\/wp-content\/uploads\/2020\/07\/20170809_112230-1-300x225.jpg 300w, https:\/\/www.baumbiologie.com\/wp-content\/uploads\/2020\/07\/20170809_112230-1-768x576.jpg 768w, https:\/\/www.baumbiologie.com\/wp-content\/uploads\/2020\/07\/20170809_112230-1-1536x1152.jpg 1536w, https:\/\/www.baumbiologie.com\/wp-content\/uploads\/2020\/07\/20170809_112230-1-2048x1536.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"768\" data-id=\"1724\" data-src=\"https:\/\/www.baumbiologie.com\/wp-content\/uploads\/2020\/07\/20170814_162357-scaled-e1596185571164-1024x768.jpg\" alt=\"Bohrkern, Baumgutachten, Dendrochronologie\" class=\"wp-image-1724 lazyload\" data-srcset=\"https:\/\/www.baumbiologie.com\/wp-content\/uploads\/2020\/07\/20170814_162357-scaled-e1596185571164-1024x768.jpg 1024w, https:\/\/www.baumbiologie.com\/wp-content\/uploads\/2020\/07\/20170814_162357-scaled-e1596185571164-300x225.jpg 300w, https:\/\/www.baumbiologie.com\/wp-content\/uploads\/2020\/07\/20170814_162357-scaled-e1596185571164-1536x1152.jpg 1536w, https:\/\/www.baumbiologie.com\/wp-content\/uploads\/2020\/07\/20170814_162357-scaled-e1596185571164-2048x1536.jpg 2048w, https:\/\/www.baumbiologie.com\/wp-content\/uploads\/2020\/07\/20170814_162357-scaled-e1596185571164-768x576.jpg 768w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/768;\" \/><\/figure>\n<\/figure>\n\n\n\n<p>Es gibt B\u00e4ume, bei denen weder tomographische Verfahren noch Bohrwiderstandsmessungen eine eindeutige Einsch\u00e4tzung der Situation zulassen. In solchen F\u00e4llen werden Bohrkerne (5,15 mm Durchmesser) mit einem Hohlbohrer entnommen und fraktometriert.<\/p>\n\n\n\n<p>Die Bohrkerne werden zun\u00e4chst visuell F\u00e4uleanzeichen und andere Auff\u00e4lligkeiten untersucht. Auch der Geruch wird in die Analyse einbezogen. Im Anschluss werden mit dem IML Fraktometer II die Festigkeitseigenschaften des Holzes gemessen (Biegefestigkeit, Bruchwinkel, Druckfestigkeit). Aus den Messkurven l\u00e4sst sich der Anteil an gesundem Holz an der untersuchten Stelle ableiten.<\/p>\n\n\n\n<p>Wie bei den Bohrwiderstandsmessungen auch, k\u00f6nnen Kerne nur punktuell Aufschluss \u00fcber die Holzqualit\u00e4t geben. Zudem ist die Entnahme nicht zerst\u00f6rungsfrei.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Es gibt B\u00e4ume, bei denen weder tomographische Verfahren noch Bohrwiderstandsmessungen eine eindeutige Einsch\u00e4tzung der Situation zulassen. In solchen F\u00e4llen werden &hellip; <\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-53","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Fraktometrie - Sachverst\u00e4ndigenb\u00fcro f\u00fcr Baumbiologie<\/title>\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.baumbiologie.com\/?page_id=53\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Fraktometrie - Sachverst\u00e4ndigenb\u00fcro f\u00fcr Baumbiologie\" \/>\n<meta property=\"og:description\" content=\"Es gibt B\u00e4ume, bei denen weder tomographische Verfahren noch Bohrwiderstandsmessungen eine eindeutige Einsch\u00e4tzung der Situation zulassen. 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