{"id":1547,"date":"2023-07-25T12:01:57","date_gmt":"2023-07-25T11:01:57","guid":{"rendered":"http:\/\/www.designfix.de\/?p=1547&#038;lang=de"},"modified":"2023-07-26T11:10:56","modified_gmt":"2023-07-26T10:10:56","slug":"betonkantenbruch","status":"publish","type":"post","link":"https:\/\/www.designfix.de\/de\/betonkantenbruch\/","title":{"rendered":"Betonkantenbruch"},"content":{"rendered":"<p>[et_pb_section bb_built=&#8220;1&#8243; admin_label=&#8220;section&#8220; inner_width=&#8220;auto&#8220; inner_max_width=&#8220;1080px&#8220; next_background_color=&#8220;rgba(255,255,255,0)&#8220;][et_pb_row admin_label=&#8220;row&#8220; background_position=&#8220;top_left&#8220; background_repeat=&#8220;repeat&#8220; background_size=&#8220;initial&#8220; width=&#8220;80%&#8220; max_width=&#8220;1080px&#8220;][et_pb_column type=&#8220;4_4&#8243; custom_padding__hover=&#8220;|||&#8220; custom_padding=&#8220;|||&#8220;][et_pb_text background_layout=&#8220;light&#8220; text_orientation=&#8220;left&#8220; use_border_color=&#8220;off&#8220; border_color=&#8220;#ffffff&#8220; border_style=&#8220;solid&#8220; background_position=&#8220;top_left&#8220; background_repeat=&#8220;repeat&#8220; background_size=&#8220;initial&#8220;]<\/p>\n<p style=\"text-align: justify;\"><span style=\"text-decoration: underline;\">H\u00e4ufig gestellte Frage<\/span>:<br \/>Warum vergr\u00f6\u00dfert sich der Widerstand f\u00fcr Betonkantenbruch in einem schmalen d\u00fcnnen Bauteil nicht mit zunehmendem Randabstand?<\/p>\n<p style=\"text-align: justify;\"><span style=\"text-decoration: underline;\">Antwort<\/span>:<br \/>Wenn die D\u00fcbelabst\u00e4nde <em>c<sub>2,1<\/sub><\/em> und <em>c<sub>2,2<\/sub><\/em> zu beiden seitlichen R\u00e4ndern und die Bauteildicke <em>h<\/em> kleiner als das 1,5-fache des Randabstandes <em>c<sub>1<\/sub><\/em> sind, dann wird die idealisierte Bruchfl\u00e4che <em>A<sub>c,V<\/sub><\/em> durch die Seitenr\u00e4nder und den unteren Rand des Bauteils abgeschnitten. Das Bauteil rei\u00dft unter einer Querlast in Achsrichtung immer in H\u00f6he des D\u00fcbels durch (Bild 1a), die Bruchfl\u00e4che ist konstant und der Widerstand f\u00fcr Betonkantenbruch ist deshalb unabh\u00e4ngig vom Randabstand <em>c<sub>1<\/sub><\/em>. ETAG 001, Anhang C, Abschnitt 5.2.3.4 ber\u00fccksichtigt dies durch die Regelung \u201eSonderf\u00e4lle\u201c. Danach wird <em>c<sub>1<\/sub><\/em> durch einen fiktiven Randabstand <em>c\u2019<sub>1<\/sub><\/em> = max{<em>c<sub>2,1<\/sub><\/em>\/1,5; <em>c<sub>2,2<\/sub><\/em>\/1,5; <em>h<\/em>\/1,5} ersetzt. Bei diesem fiktiven Abstand ber\u00fchrt die idealisierte Bruchfl\u00e4che gerade einen der seitlichen R\u00e4nder oder den unteren Bauteilrand. Wendet man diese Sonderfallregelung nicht an und rechnet mit dem wirklichen Randabstand <em>c<sub>1<\/sub><\/em>, dann nimmt der Widerstand mit zunehmendem <em>c<sub>1<\/sub><\/em> ab, was nat\u00fcrlich unlogisch ist.<\/p>\n<p style=\"text-align: justify;\">Erst wenn mindestens einer der seitlichen Randabst\u00e4nde oder die Bauteildicke gr\u00f6\u00dfer ist als das 1,5-fache des Randabstandes <em>c<sub>1<\/sub><\/em>, dann kann sich der Bruchk\u00f6rper in dieser Richtung vollst\u00e4ndig ausbilden und der Widerstand f\u00fcr Betonkantenbruch vergr\u00f6\u00dfert bzw. verkleinert sich mit zunehmendem bzw. abnehmendem Randabstand <em>c<sub>1<\/sub><\/em>.<\/p>\n<p style=\"text-align: justify;\">Entfernt man den vorderen Bauteilrand (Bild 1b), dann geht das Bemessungsprogramm davon aus, dass das Bauteil hier gest\u00fctzt ist und deshalb nicht versagen kann und es kommt zu einem seitlichen Betonkantenbruch.<\/p>\n<p>[\/et_pb_text][et_pb_image src=&#8220;https:\/\/www.designfix.de\/wp-content\/uploads\/2016\/01\/Betonkantenbruch.jpg&#8220; show_in_lightbox=&#8220;on&#8220; url_new_window=&#8220;off&#8220; animation=&#8220;left&#8220; sticky=&#8220;off&#8220; align=&#8220;left&#8220; force_fullwidth=&#8220;off&#8220; always_center_on_mobile=&#8220;on&#8220; use_border_color=&#8220;off&#8220; border_color=&#8220;#ffffff&#8220; border_style=&#8220;solid&#8220; animation_style=&#8220;slide&#8220; animation_duration=&#8220;500ms&#8220; animation_intensity_slide=&#8220;10%&#8220; animation_direction=&#8220;left&#8220; show_bottom_space=&#8220;on&#8220; align_last_edited=&#8220;on|desktop&#8220; align_tablet=&#8220;center&#8220;]<\/p>\n<p>[\/et_pb_image][et_pb_text background_layout=&#8220;light&#8220; text_orientation=&#8220;left&#8220; use_border_color=&#8220;off&#8220; border_color=&#8220;#ffffff&#8220; border_style=&#8220;solid&#8220; background_position=&#8220;top_left&#8220; background_repeat=&#8220;repeat&#8220; background_size=&#8220;initial&#8220;]<\/p>\n<p>\nBild 1:<br \/>a) Sonderfall \u201eschmales d\u00fcnnes Bauteil\u201c (<em>c<sub><span style=\"font-size: xx-small;\">2,1 <\/span><\/sub><\/em>&lt; 1,5 \u00b7 <em>c<sub><span style=\"font-size: xx-small;\">1<\/span><\/sub><\/em>; <em>c<sub><span style=\"font-size: xx-small;\">2,2<\/span><\/sub><\/em> &lt; 1,5 \u00b7 <em>c<sub><span style=\"font-size: xx-small;\">1<\/span><\/sub><\/em>;<em> h<\/em> &lt; 1,5 \u00b7 <em>c<sub><span style=\"font-size: xx-small;\">1<\/span><\/sub><\/em>)<br \/>b)\u00a0Am\u00a0vorderen und hinteren Rand\u00a0gest\u00fctztes Bauteil<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section bb_built=&#8220;1&#8243; admin_label=&#8220;Section Post Werbung D&#8220; fullwidth=&#8220;off&#8220; specialty=&#8220;off&#8220; transparent_background=&#8220;on&#8220; background_color=&#8220;rgba(255,255,255,0)&#8220; allow_player_pause=&#8220;off&#8220; inner_shadow=&#8220;off&#8220; parallax=&#8220;off&#8220; parallax_method=&#8220;off&#8220; padding_mobile=&#8220;off&#8220; make_fullwidth=&#8220;off&#8220; use_custom_width=&#8220;off&#8220; width_unit=&#8220;on&#8220; make_equal=&#8220;off&#8220; 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heading=&#8220;DesignFiX &#8211; Ankerbemessung&#8220;] Download Demoversion [\/et_pb_slide][et_pb_slide background_position=&#8220;default&#8220; background_size=&#8220;default&#8220; background_color=&#8220;#ffffff&#8220; alignment=&#8220;center&#8220; background_layout=&#8220;dark&#8220; allow_player_pause=&#8220;off&#8220; header_font_select=&#8220;default&#8220; body_font_select=&#8220;default&#8220; custom_button=&#8220;off&#8220; button_font_select=&#8220;default&#8220; button_use_icon=&#8220;default&#8220; button_icon_placement=&#8220;right&#8220; button_on_hover=&#8220;on&#8220; background_image=&#8220;https:\/\/www.designfix.de\/wp-content\/uploads\/2015\/12\/geometic-bkg-blue.jpg&#8220; image=&#8220;https:\/\/www.designfix.de\/wp-content\/uploads\/2016\/01\/DesignFiX-Post.png&#8220; heading=&#8220;DesignFiX -Ankerbemessung&#8220;] Demoversion\u00a0f\u00fcr Ankerhersteller [\/et_pb_slide][\/et_pb_slider][\/et_pb_column][\/et_pb_row][et_pb_row global_parent=&#8220;1661&#8243; 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button_one_letter_spacing__hover=&#8220;null&#8220; button_two_letter_spacing__hover_enabled=&#8220;off&#8220; button_two_letter_spacing__hover=&#8220;null&#8220; button_bg_color__hover_enabled=&#8220;off&#8220; button_bg_color__hover=&#8220;null&#8220; button_one_bg_color__hover_enabled=&#8220;off&#8220; button_one_bg_color__hover=&#8220;null&#8220; button_two_bg_color__hover_enabled=&#8220;off&#8220; button_two_bg_color__hover=&#8220;null&#8220;]<\/p>\n<p style=\"text-align: justify;\">Diese Demoversion ist prim\u00e4r f\u00fcr Ankerhersteller und H\u00e4ndler konzipiert und enth\u00e4lt das Produktsortiment einer virtuellen Firma mit der Bezeichnung <a href=\"\/de\/your-company\/\">Your Company<\/a>. Die implementierten Produkte bestehen aus chemischen und mechanischen Ankern. Weitere Informationen zum Thema Installation und <a href=\"\/de\/systemvoraussetzungen\/\">Systemvoraussetzungen<\/a>.<\/p>\n<p>[\/et_pb_cta][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>H\u00e4ufig gestellte Frage:Warum vergr\u00f6\u00dfert sich der Widerstand f\u00fcr Betonkantenbruch in einem schmalen d\u00fcnnen Bauteil nicht mit zunehmendem Randabstand? Antwort:Wenn die D\u00fcbelabst\u00e4nde c2,1 und c2,2 zu beiden seitlichen R\u00e4ndern und die Bauteildicke h kleiner als das 1,5-fache des Randabstandes c1 sind, dann wird die idealisierte Bruchfl\u00e4che Ac,V durch die Seitenr\u00e4nder und den unteren Rand des Bauteils [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":1551,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":true,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[50,11],"tags":[56,13],"class_list":["post-1547","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-wissensdatenbank","category-etag001","tag-bauteilrand","tag-etag-de"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.5 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Betonkantenbruch - DesignFiX<\/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.designfix.de\/de\/betonkantenbruch\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Betonkantenbruch\" \/>\n<meta property=\"og:description\" content=\"H\u00e4ufig gestellte Frage:Warum vergr\u00f6\u00dfert sich der Widerstand f\u00fcr Betonkantenbruch in einem schmalen d\u00fcnnen Bauteil nicht mit zunehmendem Randabstand? 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