{"id":25066,"date":"2022-12-16T03:30:25","date_gmt":"2022-12-16T03:30:25","guid":{"rendered":"https:\/\/ancold.org.au\/?post_type=product&#038;p=25066"},"modified":"2023-03-07T05:51:11","modified_gmt":"2023-03-07T05:51:11","slug":"2002-catagunya-dam-corrosion-assessment-of-fully-grouted-post-tensioned-anchors","status":"publish","type":"product","link":"https:\/\/ancold.org.au\/product\/2002-catagunya-dam-corrosion-assessment-of-fully-grouted-post-tensioned-anchors\/","title":{"rendered":"2002 &#8211; Catagunya Dam \u2013 Corrosion Assessment of Fully Grouted Post-Tensioned Anchors"},"content":{"rendered":"<p><strong>R.I. Herweynen and A.M. Hughes<\/strong><\/p>\n<p><em>Hydro Tasmania has a number of dams which were designed and constructed in the 1950-70s<\/em><br \/>\n<em>with fully grouted, post-tensioned anchors. The method used was leading edge in its day,<\/em><br \/>\n<em>however, it does not achieve the cable protection of modern methods which provide two barriers<\/em><br \/>\n<em>against corrosion and are monitorable. Hydro Tasmania has developed and employed an<\/em><br \/>\n<em>innovative program to ascertain the integrity and remaining life of the cables and to prepare<\/em><br \/>\n<em>long term management plans for its cabled dams.<\/em><\/p>\n<p><em>An international panel was set-up to provide guidance on the overall issue, assist in developing<\/em><br \/>\n<em>a sound methodology for assessing the corrosion of the anchors and advise on long-term<\/em><br \/>\n<em>monitoring. To focus the efforts, Catagunya Dam was adopted as the pilot dam, as the stability<\/em><br \/>\n<em>of this dam is very much dependent on the integrity of the anchors. This paper will provide a<\/em><br \/>\n<em>brief overview of the project to date but will focus in detail on the main components of the<\/em><br \/>\n<em>corrosion assessment of the anchors, namely:<\/em><\/p>\n<ul>\n<li><em>In situ ground water testing over the entire valley section using holes drilled for piezometers.<\/em><\/li>\n<li><em>Laboratory testing carried out by CAPCIS in the UK to simulate potential corrosion rates<\/em><br \/>\n<em>using actual ground water samples collected.<\/em><\/li>\n<li><em style=\"font-size: 1rem;\">In situ potentiostatic polarisation testing used to determine instantaneous corrosion rates for<\/em><em style=\"font-size: 1rem;\">the test anchors.<\/em><\/li>\n<\/ul>\n<p><em>The paper also provides a brief summary of the instrumentation installed at Catagunya Dam to<\/em><br \/>\n<em>assist with the long-term monitoring of the dam.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>R.I. Herweynen and A.M. Hughes Hydro Tasmania has a number of dams which were designed and constructed in the 1950-70s with fully grouted, post-tensioned anchors. The method used was leading edge in its day, however, it does not achieve the cable protection of modern methods which provide two barriers against corrosion and are monitorable. Hydro [&hellip;]<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"_acf_changed":false},"product_cat":[2506,22],"product_tag":[2507,2577,2578,383,2579,2580],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>2002 - Catagunya Dam \u2013 Corrosion Assessment of Fully Grouted Post-Tensioned Anchors - ANCOLD<\/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:\/\/ancold.org.au\/product\/2002-catagunya-dam-corrosion-assessment-of-fully-grouted-post-tensioned-anchors\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"2002 - Catagunya Dam \u2013 Corrosion Assessment of Fully Grouted Post-Tensioned Anchors - ANCOLD\" \/>\n<meta property=\"og:description\" content=\"R.I. Herweynen and A.M. Hughes Hydro Tasmania has a number of dams which were designed and constructed in the 1950-70s with fully grouted, post-tensioned anchors. The method used was leading edge in its day, however, it does not achieve the cable protection of modern methods which provide two barriers against corrosion and are monitorable. Hydro [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ancold.org.au\/product\/2002-catagunya-dam-corrosion-assessment-of-fully-grouted-post-tensioned-anchors\/\" \/>\n<meta property=\"og:site_name\" content=\"ANCOLD\" \/>\n<meta property=\"article:modified_time\" content=\"2023-03-07T05:51:11+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/ancold.org.au\/product\/2002-catagunya-dam-corrosion-assessment-of-fully-grouted-post-tensioned-anchors\/\",\"url\":\"https:\/\/ancold.org.au\/product\/2002-catagunya-dam-corrosion-assessment-of-fully-grouted-post-tensioned-anchors\/\",\"name\":\"2002 - Catagunya Dam \u2013 Corrosion Assessment of Fully Grouted Post-Tensioned Anchors - ANCOLD\",\"isPartOf\":{\"@id\":\"https:\/\/ancold.org.au\/#website\"},\"datePublished\":\"2022-12-16T03:30:25+00:00\",\"dateModified\":\"2023-03-07T05:51:11+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/ancold.org.au\/product\/2002-catagunya-dam-corrosion-assessment-of-fully-grouted-post-tensioned-anchors\/#breadcrumb\"},\"inLanguage\":\"en-AU\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/ancold.org.au\/product\/2002-catagunya-dam-corrosion-assessment-of-fully-grouted-post-tensioned-anchors\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/ancold.org.au\/product\/2002-catagunya-dam-corrosion-assessment-of-fully-grouted-post-tensioned-anchors\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ancold.org.au\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Shop\",\"item\":\"https:\/\/ancold.org.au\/shop\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"2002 &#8211; Catagunya Dam \u2013 Corrosion Assessment of Fully Grouted Post-Tensioned Anchors\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/ancold.org.au\/#website\",\"url\":\"https:\/\/ancold.org.au\/\",\"name\":\"ANCOLD\",\"description\":\"The Australian National Committee on Large Dams\",\"publisher\":{\"@id\":\"https:\/\/ancold.org.au\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/ancold.org.au\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-AU\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/ancold.org.au\/#organization\",\"name\":\"Australian National Committee on Large Dams\",\"url\":\"https:\/\/ancold.org.au\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-AU\",\"@id\":\"https:\/\/ancold.org.au\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/ancold.org.au\/wp-content\/uploads\/2022\/08\/ancold-logo.png\",\"contentUrl\":\"https:\/\/ancold.org.au\/wp-content\/uploads\/2022\/08\/ancold-logo.png\",\"width\":800,\"height\":212,\"caption\":\"Australian National Committee on Large Dams\"},\"image\":{\"@id\":\"https:\/\/ancold.org.au\/#\/schema\/logo\/image\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"2002 - Catagunya Dam \u2013 Corrosion Assessment of Fully Grouted Post-Tensioned Anchors - ANCOLD","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/ancold.org.au\/product\/2002-catagunya-dam-corrosion-assessment-of-fully-grouted-post-tensioned-anchors\/","og_locale":"en_US","og_type":"article","og_title":"2002 - Catagunya Dam \u2013 Corrosion Assessment of Fully Grouted Post-Tensioned Anchors - ANCOLD","og_description":"R.I. Herweynen and A.M. Hughes Hydro Tasmania has a number of dams which were designed and constructed in the 1950-70s with fully grouted, post-tensioned anchors. The method used was leading edge in its day, however, it does not achieve the cable protection of modern methods which provide two barriers against corrosion and are monitorable. Hydro [&hellip;]","og_url":"https:\/\/ancold.org.au\/product\/2002-catagunya-dam-corrosion-assessment-of-fully-grouted-post-tensioned-anchors\/","og_site_name":"ANCOLD","article_modified_time":"2023-03-07T05:51:11+00:00","twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/ancold.org.au\/product\/2002-catagunya-dam-corrosion-assessment-of-fully-grouted-post-tensioned-anchors\/","url":"https:\/\/ancold.org.au\/product\/2002-catagunya-dam-corrosion-assessment-of-fully-grouted-post-tensioned-anchors\/","name":"2002 - Catagunya Dam \u2013 Corrosion Assessment of Fully Grouted Post-Tensioned Anchors - ANCOLD","isPartOf":{"@id":"https:\/\/ancold.org.au\/#website"},"datePublished":"2022-12-16T03:30:25+00:00","dateModified":"2023-03-07T05:51:11+00:00","breadcrumb":{"@id":"https:\/\/ancold.org.au\/product\/2002-catagunya-dam-corrosion-assessment-of-fully-grouted-post-tensioned-anchors\/#breadcrumb"},"inLanguage":"en-AU","potentialAction":[{"@type":"ReadAction","target":["https:\/\/ancold.org.au\/product\/2002-catagunya-dam-corrosion-assessment-of-fully-grouted-post-tensioned-anchors\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/ancold.org.au\/product\/2002-catagunya-dam-corrosion-assessment-of-fully-grouted-post-tensioned-anchors\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/ancold.org.au\/"},{"@type":"ListItem","position":2,"name":"Shop","item":"https:\/\/ancold.org.au\/shop\/"},{"@type":"ListItem","position":3,"name":"2002 &#8211; Catagunya Dam \u2013 Corrosion Assessment of Fully Grouted Post-Tensioned Anchors"}]},{"@type":"WebSite","@id":"https:\/\/ancold.org.au\/#website","url":"https:\/\/ancold.org.au\/","name":"ANCOLD","description":"The Australian National Committee on Large Dams","publisher":{"@id":"https:\/\/ancold.org.au\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/ancold.org.au\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-AU"},{"@type":"Organization","@id":"https:\/\/ancold.org.au\/#organization","name":"Australian National Committee on Large Dams","url":"https:\/\/ancold.org.au\/","logo":{"@type":"ImageObject","inLanguage":"en-AU","@id":"https:\/\/ancold.org.au\/#\/schema\/logo\/image\/","url":"https:\/\/ancold.org.au\/wp-content\/uploads\/2022\/08\/ancold-logo.png","contentUrl":"https:\/\/ancold.org.au\/wp-content\/uploads\/2022\/08\/ancold-logo.png","width":800,"height":212,"caption":"Australian National Committee on Large Dams"},"image":{"@id":"https:\/\/ancold.org.au\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/ancold.org.au\/wp-json\/wp\/v2\/product\/25066"}],"collection":[{"href":"https:\/\/ancold.org.au\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/ancold.org.au\/wp-json\/wp\/v2\/types\/product"}],"wp:attachment":[{"href":"https:\/\/ancold.org.au\/wp-json\/wp\/v2\/media?parent=25066"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/ancold.org.au\/wp-json\/wp\/v2\/product_cat?post=25066"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/ancold.org.au\/wp-json\/wp\/v2\/product_tag?post=25066"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}