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Researchers Discover Key to Super-Durable Ancient Roman Concret - ASBN<\/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:\/\/baubiologie.at\/strohballenbau\/researchers-discover-key-to-super-durable-ancient-roman-concret\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Researchers Discover Key to Super-Durable Ancient Roman Concret - ASBN\" \/>\n<meta property=\"og:description\" content=\"Das Geheimnis des extrem haltbaren r\u00f6mischen „Zements“ ist Pozzolan (Vulkanasche bzw. Trass) statt Portland Zement. Und der braucht in der Herstellung nur einen Bruchteil der Energie. Pozzolan ist auf der ganzen Welt verf\u00fcgbar und k\u00f6nnte den Energieverbrauch der Bauindustrie extrem verringern. 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