{"id":2037,"date":"2025-02-21T10:16:53","date_gmt":"2025-02-21T03:16:53","guid":{"rendered":"https:\/\/tramnghien.com\/?p=2037"},"modified":"2025-02-26T14:42:50","modified_gmt":"2025-02-26T07:42:50","slug":"nhat-ban-dang-tung-buoc-thay-the-cat-tu-nhien-trong-xay-dung","status":"publish","type":"post","link":"https:\/\/tramnghien.com\/en\/nhat-ban-dang-tung-buoc-thay-the-cat-tu-nhien-trong-xay-dung\/","title":{"rendered":"Japan is gradually replacing natural sand in construction."},"content":{"rendered":"<h2 style=\"text-align: justify;\" data-start=\"89\" data-end=\"161\"><strong><span style=\"color: #282828;\">What has Japan done to solve the natural sand crisis?<\/span><\/strong><\/h2>\n<p style=\"text-align: justify;\" data-start=\"162\" data-end=\"399\"><span style=\"color: #282828;\">Japan is one of the countries with a strong construction industry but faces a shortage of natural sand. Instead of exploiting new resources, they have focused on recycling construction waste to create <strong><a href=\"https:\/\/tramnghien.com\/en\/what-is-artificial-sand\/\">artificial sand<\/a><\/strong>This material is intended to replace natural sand in construction projects.<\/span><\/p>\n<p style=\"text-align: justify;\" data-start=\"162\" data-end=\"399\"><span style=\"color: #282828;\">After World War II, Japan mined a large amount of sand to serve the country&#039;s reconstruction. &quot;In 1967, natural sand accounted for 44% of supply for construction projects and other fields. Sand demand peaked in 1990, with about 949 million tons used. Of which, more than 500,000 tons were imported. However, over-exploitation led to the depletion of sand resources. Forcing many beaches to close. Such as in Hiroshima Prefecture in 1997 and Chiba Prefecture in 2011.&quot; - According to Mcic Vietnam.<\/span><\/p>\n<p style=\"text-align: justify;\" data-start=\"401\" data-end=\"666\"><span style=\"color: #282828;\">In Japan, after being demolished, buildings will be collected, crushed and screened into recycled materials. Of which, a large part of construction waste such as concrete, rubble, scrap glass, etc. will be processed to become artificial sand used in concrete and construction.<\/span><\/p>\n<p style=\"text-align: justify;\" data-start=\"668\" data-end=\"867\"><span style=\"color: #282828;\">This technology has helped Japan:<\/span><br data-start=\"699\" data-end=\"702\" \/><span style=\"color: #282828;\">\u2705 Reduce 50% of natural sand exploited each year.<\/span><br data-start=\"754\" data-end=\"757\" \/><span style=\"color: #282828;\">\u2705 Reduce 80% of construction waste buried in landfills.<\/span><br data-start=\"808\" data-end=\"811\" \/><span style=\"color: #282828;\">\u2705 Reduce CO\u2082 emissions and protect natural resources.<\/span><\/p>\n<h2 style=\"text-align: justify;\" data-start=\"874\" data-end=\"940\"><strong><span style=\"color: #282828;\">What technology helps turn &quot;construction waste&quot; into artificial sand?<\/span><\/strong><\/h2>\n<p style=\"text-align: justify;\" data-start=\"727\" data-end=\"807\"><span style=\"color: #282828;\">To reduce dependence on natural sand, Japan has implemented solutions:<\/span><\/p>\n<ul style=\"text-align: justify;\" data-start=\"809\" data-end=\"1431\">\n<li data-start=\"809\" data-end=\"1049\">\n<p data-start=\"811\" data-end=\"1049\"><span style=\"color: #282828;\"><strong><a href=\"https:\/\/tramnghien.com\/en\/artificial-sand-production-is-an-essential-trend-in-the-construction-industry\/\">Artificial sand production<\/a><\/strong>: Recycle construction materials such as waste concrete, glass, bricks, etc. by crushing, removing impurities and carefully screening to create high quality artificial sand.<\/span><\/p>\n<\/li>\n<li data-start=\"1051\" data-end=\"1263\">\n<p data-start=\"1053\" data-end=\"1263\"><span style=\"color: #282828;\"><strong>Dredged sludge treatment<\/strong>: Using technology to stabilize dredged mud with cement and additives, turning soft mud into landfill material, expanding land fund for building wharves and airports.<\/span><\/p>\n<\/li>\n<li data-start=\"1265\" data-end=\"1431\">\n<p data-start=\"1267\" data-end=\"1431\"><span style=\"color: #282828;\"><strong>Tax policy<\/strong>:Imposing high taxes on natural sand to encourage the use of artificial sand and other alternative materials.<\/span><\/p>\n<\/li>\n<\/ul>\n<figure id=\"attachment_2053\" aria-describedby=\"caption-attachment-2053\" style=\"width: 1200px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2053 size-full\" src=\"https:\/\/tramnghien.com\/wp-content\/uploads\/2025\/02\/San-xuat-cat-nhan-tao-1.png\" alt=\"Production of artificial sand from construction waste and stone, gravel\" width=\"1200\" height=\"450\" srcset=\"https:\/\/tramnghien.com\/wp-content\/uploads\/2025\/02\/San-xuat-cat-nhan-tao-1.png 1200w, https:\/\/tramnghien.com\/wp-content\/uploads\/2025\/02\/San-xuat-cat-nhan-tao-1-800x300.png 800w, https:\/\/tramnghien.com\/wp-content\/uploads\/2025\/02\/San-xuat-cat-nhan-tao-1-768x288.png 768w, https:\/\/tramnghien.com\/wp-content\/uploads\/2025\/02\/San-xuat-cat-nhan-tao-1-18x7.png 18w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><figcaption id=\"caption-attachment-2053\" class=\"wp-caption-text\">Production of artificial sand from construction waste and stone, gravel<\/figcaption><\/figure>\n<p style=\"text-align: justify;\" data-start=\"941\" data-end=\"1034\"><span style=\"color: #282828;\">Using many advanced technologies to recycle construction waste into artificial sand:<\/span><\/p>\n<p style=\"text-align: justify;\" data-start=\"1036\" data-end=\"1411\"><span style=\"color: #282828;\">\ud83d\udd39 <strong><a href=\"https:\/\/tramnghien.com\/en\/5-factors-to-know-before-choosing-a-crusher-for-the-production-line\/\">Cone crusher<\/a><\/strong> &amp; <strong><a href=\"https:\/\/tramnghien.com\/en\/vsi-sand-crusher\/\">VSI sand making machine<\/a><\/strong> \u2013 Used to grind old concrete into sand with standard fineness.<\/span><br data-start=\"1138\" data-end=\"1141\" \/><span style=\"color: #282828;\">\ud83d\udd39 <strong><a href=\"https:\/\/tramnghien.com\/en\/torrent-screen\/\">Vibrating screen system<\/a><\/strong> \u2013 Remove unsuitable impurities.<\/span><br data-start=\"1204\" data-end=\"1207\" \/><span style=\"color: #282828;\">\ud83d\udd39 Dry sand washing technology \u2013 Helps remove fine dust without using water, saving wastewater treatment costs.<\/span><br data-start=\"1317\" data-end=\"1320\" \/><span style=\"color: #282828;\">\ud83d\udd39 Impurity treatment system \u2013 Separates metal, plastic, glass to retain clean aggregate.<\/span><\/p>\n<p style=\"text-align: justify;\" data-start=\"1413\" data-end=\"1566\"><span style=\"color: #282828;\">Japan can create artificial sand that meets standards <strong>JIS A 5021.<\/strong>\u00a0 The quality is equivalent to natural sand but has higher durability.<\/span><\/p>\n<h2 style=\"text-align: justify;\" data-start=\"1573\" data-end=\"1622\"><strong><span style=\"color: #282828;\">What can Vietnam learn from Japan?<\/span><\/strong><\/h2>\n<p style=\"text-align: justify;\" data-start=\"1623\" data-end=\"1876\"><span style=\"color: #282828;\">Vietnam is currently facing landslides due to excessive sand mining. At the same time, huge amounts of construction waste are not being thoroughly treated. Japan has proven that recycling construction waste into artificial sand is a feasible and sustainable solution.<\/span><\/p>\n<p style=\"text-align: justify;\" data-start=\"1878\" data-end=\"1927\"><span style=\"color: #282828;\">\u2705 Benefits when Vietnam applies this model:<\/span><\/p>\n<ul style=\"text-align: justify;\" data-start=\"1928\" data-end=\"2196\">\n<li data-start=\"1928\" data-end=\"1995\"><span style=\"color: #282828;\">Reduce exploitation of natural sand, protect river ecosystems.<\/span><\/li>\n<li data-start=\"1996\" data-end=\"2049\"><span style=\"color: #282828;\">Reduce environmental pollution from construction waste.<\/span><\/li>\n<li data-start=\"2050\" data-end=\"2117\"><span style=\"color: #282828;\">Creating sustainable building materials for the industry.<\/span><\/li>\n<li data-start=\"2118\" data-end=\"2196\"><span style=\"color: #282828;\">Reduce the cost of concrete production as the price of natural sand is increasing.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\" data-start=\"2198\" data-end=\"2231\"><span style=\"color: #282828;\">\ud83c\udfd7 Keys to implementation:<\/span><\/p>\n<ul style=\"text-align: justify;\" data-start=\"2232\" data-end=\"2466\">\n<li data-start=\"2232\" data-end=\"2302\"><span style=\"color: #282828;\">Need to invest in crushing, screening and washing lines for recycled sand.<\/span><\/li>\n<li data-start=\"2303\" data-end=\"2374\"><span style=\"color: #282828;\">There needs to be a policy to support businesses investing in recycling technology.<\/span><\/li>\n<li data-start=\"2375\" data-end=\"2466\"><span style=\"color: #282828;\">Technical standards for recycled sand need to be clearly established to ensure quality.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\" data-start=\"2558\" data-end=\"2759\"><span style=\"color: #282828;\">This is a great opportunity for businesses in the construction materials industry. As natural sand resources are gradually depleted. Some businesses in Vietnam have begun to experiment with this model, but it is not really popular. <\/span><\/p>\n<p style=\"text-align: justify;\" data-start=\"2558\" data-end=\"2759\"><span style=\"color: #282828;\">This is the time for stone crushing and screening units and concrete production units to seize the opportunity. Invest early in the production line. <a href=\"https:\/\/tramnghien.com\/en\/may-nghien-cat-nhan-tao-vsi-cong-nghe-dot-pha-trong-san-xuat-cat\/\"  data-wpil-monitor-id=\"156\">artificial sand production<\/a> from construction waste.<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>What has Japan done to solve the natural sand crisis? Japan is one of the countries with a strong construction industry but is facing a shortage of natural sand. Instead of exploiting new resources. They have focused on recycling waste\u2026<\/p>","protected":false},"author":1,"featured_media":2053,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[],"class_list":["post-2037","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.6 (Yoast SEO v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Nh\u1eadt B\u1ea3n \u0111ang t\u1eebng b\u01b0\u1edbc thay th\u1ebf c\u00e1t t\u1ef1 nhi\u00ean trong x\u00e2y d\u1ef1ng - Nguy\u1ec5n Vinh - M\u00e1y nghi\u1ec1n \u0111\u00e1 &amp; C\u00e1t nh\u00e2n t\u1ea1o<\/title>\n<meta name=\"description\" content=\"Nh\u1eadt B\u1ea3n \u0111ang t\u1eadp trung v\u00e0o t\u00e1i ch\u1ebf r\u00e1c th\u1ea3i x\u00e2y d\u1ef1ng \u0111\u1ec3 t\u1ea1o ra c\u00e1t nh\u00e2n t\u1ea1o nh\u1eb1m thay th\u1ebf c\u00e1t t\u1ef1 nhi\u00ean tr\u01b0\u1edbc t\u00ecnh tr\u1ea1ng ng\u00e0y c\u00e0ng c\u1ea1n ki\u1ec7t.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/tramnghien.com\/en\/nhat-ban-dang-tung-buoc-thay-the-cat-tu-nhien-trong-xay-dung\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Nh\u1eadt B\u1ea3n \u0111ang t\u1eebng b\u01b0\u1edbc thay th\u1ebf c\u00e1t t\u1ef1 nhi\u00ean trong x\u00e2y d\u1ef1ng\" \/>\n<meta property=\"og:description\" content=\"Nh\u1eadt B\u1ea3n \u0111ang t\u1eadp trung v\u00e0o t\u00e1i ch\u1ebf r\u00e1c th\u1ea3i x\u00e2y d\u1ef1ng \u0111\u1ec3 t\u1ea1o ra c\u00e1t nh\u00e2n t\u1ea1o nh\u1eb1m thay th\u1ebf c\u00e1t t\u1ef1 nhi\u00ean tr\u01b0\u1edbc t\u00ecnh tr\u1ea1ng ng\u00e0y c\u00e0ng c\u1ea1n ki\u1ec7t.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/tramnghien.com\/en\/nhat-ban-dang-tung-buoc-thay-the-cat-tu-nhien-trong-xay-dung\/\" \/>\n<meta property=\"og:site_name\" content=\"Nguy\u1ec5n Vinh - M\u00e1y nghi\u1ec1n \u0111\u00e1 &amp; 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