{"id":3732,"date":"2023-05-23T01:45:36","date_gmt":"2023-05-23T01:45:36","guid":{"rendered":"https:\/\/nanotechvietnam.com\/anti-corrosion-reinforced-construction-for-sea-projects\/"},"modified":"2023-05-23T01:45:36","modified_gmt":"2023-05-23T01:45:36","slug":"anti-corrosion-reinforced-construction-for-sea-projects","status":"publish","type":"post","link":"https:\/\/nanotechvietnam.com\/en\/anti-corrosion-reinforced-construction-for-sea-projects\/","title":{"rendered":"ANTI-CORROSION REINFORCED CONSTRUCTION FOR SEA PROJECTS"},"content":{"rendered":"<p data-role=\"sapo\">(Nanotechvietnam.com) &#8211; The salinity of sea water is the main cause of corrosion of coastal structures and also causes damage to concrete structures and coastal and island structures.<\/p>\n<div class=\"detail-content afcbc-body clearfix\" data-role=\"content\">\n<div id=\"attachment_3024\" style=\"width: 778px\" class=\"wp-caption aligncenter\"><img aria-describedby=\"caption-attachment-3024\" decoding=\"async\" class=\"lazyload wp-image-3024 size-full\" src=\"https:\/\/nanotechvietnam.com\/wp-content\/uploads\/2023\/05\/hu-hong-be-tong-thuy-cong-768x432-1.jpg\" data-orig-src=\"https:\/\/nanotechvietnam.com\/wp-content\/uploads\/2023\/05\/hu-hong-be-tong-thuy-cong-768x432-1.jpg\" alt=\"Corrosion of marine structures \" width=\"768\" height=\"432\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27768%27%20height%3D%27432%27%20viewBox%3D%270%200%20768%20432%27%3E%3Crect%20width%3D%27768%27%20height%3D%27432%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/nanotechvietnam.com\/wp-content\/uploads\/2023\/05\/hu-hong-be-tong-thuy-cong-768x432-1-200x113.jpg 200w, https:\/\/nanotechvietnam.com\/wp-content\/uploads\/2023\/05\/hu-hong-be-tong-thuy-cong-768x432-1-300x169.jpg 300w, https:\/\/nanotechvietnam.com\/wp-content\/uploads\/2023\/05\/hu-hong-be-tong-thuy-cong-768x432-1-400x225.jpg 400w, https:\/\/nanotechvietnam.com\/wp-content\/uploads\/2023\/05\/hu-hong-be-tong-thuy-cong-768x432-1-600x338.jpg 600w, https:\/\/nanotechvietnam.com\/wp-content\/uploads\/2023\/05\/hu-hong-be-tong-thuy-cong-768x432-1-700x394.jpg 700w, https:\/\/nanotechvietnam.com\/wp-content\/uploads\/2023\/05\/hu-hong-be-tong-thuy-cong-768x432-1.jpg 768w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 768px) 100vw, 768px\" title=\"\"><p id=\"caption-attachment-3024\" class=\"wp-caption-text\">anti-corrosion marine works<\/p><\/div>\n<\/div>\n<div class=\"detail-content afcbc-body clearfix\" data-role=\"content\">\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_50 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">M\u1ee5c l\u1ee5c<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\" role=\"button\"><label for=\"item-69d46e6eecfe9\" aria-hidden=\"true\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;direction:ltr;\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/label><input  type=\"checkbox\" id=\"item-69d46e6eecfe9\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/nanotechvietnam.com\/en\/anti-corrosion-reinforced-construction-for-sea-projects\/#Salty_salts_are_invasive_causing_damage_to_materials\" title=\"Salty salts are invasive, causing damage to materials\">Salty salts are invasive, causing damage to materials<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/nanotechvietnam.com\/en\/anti-corrosion-reinforced-construction-for-sea-projects\/#Solution_to_take_concrete_to_protect_reinforcement\" title=\"Solution to take concrete to protect reinforcement\">Solution to take concrete to protect reinforcement<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/nanotechvietnam.com\/en\/anti-corrosion-reinforced-construction-for-sea-projects\/#More_articles_for_reference\" title=\"More articles for reference:\">More articles for reference:<\/a><\/li><\/ul><\/nav><\/div>\n<h1><span class=\"ez-toc-section\" id=\"Salty_salts_are_invasive_causing_damage_to_materials\"><\/span>Salty salts are invasive, causing damage to materials<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>Our country has a coastline of more than 3200 km, the number of works working in the marine and coastal environment is increasing. The declining life of marine structures and concrete types working in the marine environment is receiving more and more attention.<\/p>\n<p>Residential buildings, seaports, lighthouses, etc., around marine areas, have more than 50% of reinforced concrete structural parts corroded and destroyed after only 10 to 30 years of use.<\/p>\n<p><img decoding=\"async\" class=\"lazyload aligncenter wp-image-3029 size-full\" src=\"https:\/\/nanotechvietnam.com\/wp-content\/uploads\/2023\/05\/download-1.jpg\" data-orig-src=\"https:\/\/nanotechvietnam.com\/wp-content\/uploads\/2023\/05\/download-1.jpg\" alt=\"\" width=\"275\" height=\"183\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27275%27%20height%3D%27183%27%20viewBox%3D%270%200%20275%20183%27%3E%3Crect%20width%3D%27275%27%20height%3D%27183%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/nanotechvietnam.com\/wp-content\/uploads\/2023\/05\/download-1-200x133.jpg 200w, https:\/\/nanotechvietnam.com\/wp-content\/uploads\/2023\/05\/download-1.jpg 275w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 275px) 100vw, 275px\" title=\"\"><\/p>\n<p>Studying in the completely submerged area, the water up and down and the waves, the authors have pointed out the cause, mainly due to the carbonation processes that reduce the pH of the concrete over time, breaking the receptor membrane. The action has the effect of protecting the reinforcement, accelerating the corrosion of the reinforcement leading to structural destruction.<\/p>\n<p>Also due to the cause of sulphate corrosion, the mineral expands and causes structural damage. In addition, it is also due to the diffusion of oxygen, Cl ions and moisture into the concrete under conditions of high air temperature, the process of microbial corrosion, mechanical corrosion due to waves, leaching corrosion, etc.<\/p>\n<h1><span class=\"ez-toc-section\" id=\"Solution_to_take_concrete_to_protect_reinforcement\"><\/span><b>Solution to take concrete to protect reinforcement<\/b><span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>The common opinion of researchers on anti-corrosion for concrete and reinforced concrete structures is to protect concrete, <em>taking concrete to protect reinforcement.<\/em><\/p>\n<p><em>According to the data of Vietnam Large Dam Association (vncold), c<\/em>The authors have proposed basic solutions, strictly complying with the regulations, such as using sulphate-resistant cement, in addition to proposing additional waterproofing, such as plastering waterproofing mortar with polymer emulsion phase; anti-corrosion paint reinforcement; paint cement, paint cement-polymer, paint high-molecular chemicals, ensure the ability to bond between painted reinforcement and concrete, paint the outer surface of the structure; use calcium nitrite corrosion inhibitors; Using composite materials to replace conventional concrete\u2026<\/p>\n<p>The authors also propose to study the use of dispersed fiber reinforced concrete (steel and polypropylene fibers) in the repair process through a number of studied technical characteristics. advantages of reinforced materials (steel and polypropylene fibers).<\/p>\n<p>It can be seen that in the waters of Vietnam, the impact of environmental erosion is very strong, leading to corrosion and destruction of structures. For example, the salinity of surface seawater in the Bach Long Vi sea, on the 17th parallel in winter, is up to 33.6%. The research team&#8217;s finding of preventive measures to prevent corrosion of steel reinforcement in sea and island works is a matter of great significance to Vietnam&#8217;s economic-defence cause.<\/p>\n<h1 data-fontsize=\"27\" data-lineheight=\"40.5px\"><span class=\"ez-toc-section\" id=\"More_articles_for_reference\"><\/span>More articles for reference:<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<ol>\n<li><a href=\"https:\/\/nanotechvietnam.com\/en\/giai-phap-chong-hu-hong-chan-gian-khoan\/\">Solution to prevent damage to the rig foot<\/a><\/li>\n<li><a href=\"https:\/\/nanotechvietnam.com\/en\/bang-quan-chong-an-mon-goc-sap-giai-phap-chong-an-mon-tien-loi-cho-be-mat-bat-quy-tac\/\">S2S Plip Tape anti-corrosion tape- convenient anti-corrosion solution for irregular surfaces.<\/a><\/li>\n<li><a href=\"https:\/\/nanotechvietnam.com\/en\/nhung-hieu-biet-ve-son-cong-nghiep\/\">Knowledge of industrial paints<\/a><\/li>\n<li><a href=\"https:\/\/nanotechvietnam.com\/en\/current-solutions-to-anti-metallic-corrosion\/\">Current anti-corrosion solutions for metals<\/a><\/li>\n<\/ol>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>(Nanotechvietnam.com) &#8211; The salinity of sea water is the main cause of corrosion of coastal structures and also causes damage [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":3035,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[64],"tags":[],"_links":{"self":[{"href":"https:\/\/nanotechvietnam.com\/en\/wp-json\/wp\/v2\/posts\/3732"}],"collection":[{"href":"https:\/\/nanotechvietnam.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nanotechvietnam.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nanotechvietnam.com\/en\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/nanotechvietnam.com\/en\/wp-json\/wp\/v2\/comments?post=3732"}],"version-history":[{"count":0,"href":"https:\/\/nanotechvietnam.com\/en\/wp-json\/wp\/v2\/posts\/3732\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nanotechvietnam.com\/en\/wp-json\/wp\/v2\/media\/3035"}],"wp:attachment":[{"href":"https:\/\/nanotechvietnam.com\/en\/wp-json\/wp\/v2\/media?parent=3732"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nanotechvietnam.com\/en\/wp-json\/wp\/v2\/categories?post=3732"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nanotechvietnam.com\/en\/wp-json\/wp\/v2\/tags?post=3732"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}