Civil Engineering Research Journal- Juniper Publishers Opinion Last summer, the European HISER conference surprised everybody with the announcement from one of Tongji University’s top institutes that high-rise towers had been built from recycle concrete in areas of China that are prone to earth quakes. At the same conference, Francois de Larrard, research director of Lafarge Holcim, informed the attendees that, from that moment onwards, the company offered recycle mortar as a standard product and that engineers who felt insufficiently prepared for the new material could refer to their new handbook for help. The surprise was understandable because the research that led to the breakthroughs highlighted at the conference had not been well published and the few scattered results that had reached the journals did not provide a complete picture. Before the conference, most engineers had believed that it was not economically feasible to produce high-grade new concrete from end-of-life (E...
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