{"id":664,"date":"2021-11-04T14:49:51","date_gmt":"2021-11-04T13:49:51","guid":{"rendered":"urn:uuid:da94cdb5-d0c1-4a2e-8373-fcf66a9664a7"},"modified":"2021-11-04T14:49:53","modified_gmt":"2021-11-04T13:49:53","slug":"steinschlagbarrieren-aus-holz","status":"publish","type":"post","link":"https:\/\/blog.fhgr.ch\/ibar\/steinschlagbarrieren-aus-holz\/","title":{"rendered":"Steinschlagbarrieren aus Holz"},"content":{"rendered":"\n<p class=\"is-style-lead\">Holzpalisaden als Schutz vor Steinschlag \u2013 vielerorts im Einsatz, jedoch fehlen Untersuchungen \u00fcber ihr Energieverhalten.<\/p>\n\n\n\n\n<p>Allein im Kanton Graub\u00fcnden stehen ca. 20 km Schutzpalisaden aus eingespannten Stahlst\u00fctzen und Rundholz. Sie sch\u00fctzen Verkehrswege und Siedlungsgebiete gegen Steinschlag und bieten eine attraktive und nachhaltige L\u00f6sung f\u00fcr Steinschlagprobleme. Ihre Gestaltung und Anwendung ist jedoch aufgrund mangelnder Informationen \u00fcber ihre&nbsp;Energieaufnahmeverm\u00f6gen&nbsp;begrenzt.<\/p>\n\n\n\n\t\n    <div\n        class=\"wp-block-mind-image\"\n        \n\t    \t        >\n\t    \t\t    <figure>\n\t\t    \t\t\t\n    \t\n\t\t\n\t\n    \n    \t\t\t\t\t<picture\n\t\t\t\tclass=\"isLandscape\"\n\t\t\t>\t\t\t\t\t<source type=\"image\/webp\" srcset=\"https:\/\/blog.fhgr.ch\/ibar\/wp-content\/uploads\/sites\/7\/2021\/10\/steinschlag-02_2-1200x0-c-default.webp\">\n<source type=\"image\/jpeg\" srcset=\"https:\/\/blog.fhgr.ch\/ibar\/wp-content\/uploads\/sites\/7\/2021\/10\/steinschlag-02_2-1200x0-c-default.jpg\">\n<img src=\"https:\/\/blog.fhgr.ch\/ibar\/wp-content\/uploads\/sites\/7\/2021\/10\/steinschlag-02_2-1200x0-c-default.jpg\" width=\"1200\" height=\"900\" alt=\"\" loading=\"lazy\">\n\t\t\t<\/picture>\n\t\t    \n\n\n        <figcaption>Die Schutzpalisaden wurden bis an ihre Belastungsgrenze belastet.<\/figcaption>\n    <\/figure>\n\t        <\/div>\n\n\n\n<p>Im Rahmen einer, von Dr. James Glover am IBAR initiierten und betreuten Studie, f\u00fchrte der Masterstudent Alex Fr\u00f6hlich vom T\u00dcM eine Vorstudie zu Holzpalisaden durch.<\/p>\n\n\n\n\n<p>W\u00e4hrend der Feldarbeit wurde bei einem aktuellen Steinschlagereignis in einem Schutzwald in Filisur Graub\u00fcnden ein Steinschlageinschlag auf einen Holzpalisaden dokumentiert.<\/p>\n\n\n\n<div class=\"slider-img slider-img-6639d98ea8e2a\" id=\"slider-6639d98ea8e2a\" data-slider=\"6639d98ea8e2a\">\n            <div class=\"slider-image-container\">\n                            <img srcset=\"https:\/\/blog.fhgr.ch\/ibar\/wp-content\/uploads\/sites\/7\/2021\/10\/steinschlag-05_2-lbox-400x267-ececec.webp 400w, https:\/\/blog.fhgr.ch\/ibar\/wp-content\/uploads\/sites\/7\/2021\/10\/steinschlag-05_2-lbox-1000x667-ececec.webp 1000w\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" sizes=\"100vw\" 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class=\"img-description\">Sch\u00e4den an der Rundholzkonstruktion durch einen Steinschlag.<\/p>\n            <\/div>\n                    \n            <div class=\"slide \">\n                <p class=\"img-description\"><\/p>\n            <\/div>\n                    \n            <div class=\"slide \">\n                <p class=\"img-description\"><\/p>\n            <\/div>\n            <\/div>\n    <div class=\"slider-nav-wrapper\">\n        <div class=\"slider-nav-elements\">\n            <div class=\"slider-nav-arrow-prev\">\n                <button id=\"js-slider-arrow-prev-6639d98ea8e2a\" class=\"slider__arrow slider__arrow-prev\">\n                   <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 10.34 19.85\"  width=\"20\" height=\"20\" focusable=\"false\" aria-hidden=\"true\" role=\"img\"><path 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Holzpalisaden. Die R\u00fcckanalyse des Steinschlagereignis gibt Aufschluss \u00fcber die wirkenden Kr\u00e4fte, die zu den Sch\u00e4den gef\u00fchrt haben, und hilft, das Energieaufnahmeverm\u00f6gen der Holzpalisaden zu bestimmen.<\/p>\n\n\n\n<div class=\"slider-img slider-img-6639d98eaeeb0\" id=\"slider-6639d98eaeeb0\" data-slider=\"6639d98eaeeb0\">\n            <div class=\"slider-image-container\">\n                            <img srcset=\"https:\/\/blog.fhgr.ch\/ibar\/wp-content\/uploads\/sites\/7\/2021\/10\/steinschlag-06_2-lbox-400x267-ececec.webp 400w, https:\/\/blog.fhgr.ch\/ibar\/wp-content\/uploads\/sites\/7\/2021\/10\/steinschlag-06_2-lbox-1000x667-ececec.webp 1000w\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" sizes=\"100vw\" width=\"1000\" height=\"667\" loading=\"lazy\" alt=\"\">\n            \n            <button class=\"slider-fullscreen-wrapper\" title=\"Open in full view\" data-fullscreen-index=\"0\" 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                  <img srcset=\"https:\/\/blog.fhgr.ch\/ibar\/wp-content\/uploads\/sites\/7\/2021\/10\/steinschlag-10-lbox-400x267-ececec.webp 400w, https:\/\/blog.fhgr.ch\/ibar\/wp-content\/uploads\/sites\/7\/2021\/10\/steinschlag-10-lbox-1000x667-ececec.webp 1000w\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" sizes=\"100vw\" width=\"1000\" height=\"667\" loading=\"lazy\" alt=\"\">\n            \n            <button class=\"slider-fullscreen-wrapper\" title=\"Open in full view\" data-fullscreen-index=\"4\" data-fullscreen-id=\"6639d98eaeeb0\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 30 30\"  width=\"30\" height=\"30\" class=\"slider-fullscreen-icon\" focusable=\"false\" aria-hidden=\"true\" role=\"img\"><polygon points=\"26.9 0 26.9 0 17.41 0 17.41 2.99 26.9 2.99 26.9 11.97 30 11.97 30 0 26.9 0\"\/><polygon points=\"3.1 27.01 3.1 18.03 0 18.03 0 30 0.18 30 3.1 30 12.59 30 12.59 27.01 3.1 27.01\"\/><polygon points=\"29.91 17.86 26.81 17.86 26.81 27.01 17.5 27.01 17.5 30 29.91 30 29.91 29.83 29.91 29.83 29.91 17.86\"\/><polygon points=\"12.5 0 0.09 0 0.09 0.17 0.09 0.17 0.09 12.14 3.19 12.14 3.19 2.99 12.5 2.99 12.5 0\"\/><\/svg>\n    <span class=\"screen-reader-text\">Open in full view<\/span>\n<\/button>\n        <\/div>\n    <\/div>\n\n<div class=\"slider-description-nav\">\n    <div class=\"slider-description slider-description-6639d98eaeeb0\" data-id=\"6639d98eaeeb0\" id=\"slider-description-6639d98eaeeb0\">\n                    \n            <div class=\"slide \">\n                <p class=\"img-description\">Umst\u00fcrzende B\u00e4ume k\u00f6nnen Steinschlagereignisse ausl\u00f6sen.<\/p>\n            <\/div>\n                    \n            <div class=\"slide \">\n                <p class=\"img-description\">Der Wald bildet einen geringen nat\u00fcrlichen Schutz bei Steinschlag.<\/p>\n            <\/div>\n                    \n            <div class=\"slide \">\n                <p class=\"img-description\">Ein Stein in der Gr\u00f6sse von ca. 0.3m3 wurde von der Holzpalisade zur\u00fcckgehalten.<\/p>\n            <\/div>\n                    \n            <div class=\"slide \">\n                <p class=\"img-description\">Aufnahmen eines Steinschlagereignisses im Gel\u00e4nde<\/p>\n            <\/div>\n                    \n            <div class=\"slide \">\n                <p class=\"img-description\">Messung der Holzfeuchtigkeit<\/p>\n            <\/div>\n            <\/div>\n    <div class=\"slider-nav-wrapper\">\n        <div class=\"slider-nav-elements\">\n            <div class=\"slider-nav-arrow-prev\">\n                <button id=\"js-slider-arrow-prev-6639d98eaeeb0\" class=\"slider__arrow slider__arrow-prev\">\n                   <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 10.34 19.85\"  width=\"20\" height=\"20\" focusable=\"false\" aria-hidden=\"true\" role=\"img\"><path 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