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As the concrete construction industry responds to the need to reduce greenhouse gas emissions (GHGs), low-carbon specifications for concrete construction are becoming increasingly prevalent. With this paradigm shift come new specifications, means and methods, documentation requirements, and changes in expectations and associated responsibilities.

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This session will provide an overview of Portland Limestone Cement pros, cons, and successful applications.

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In 1988 a request was made for a concrete that would last 1,000 years, to be placed, by volunteer labor, some 8,7000 feet up in the Rocky Mountains. This was at least an hour run from the nearest ready-mixed concrete plant and the concrete would have to be manhandled up the hill from the end of the road. This was to be a religious edifice, a place of worship, venerating a key person of the Buddhist community. It would be a solid construction of large concrete elements and feature delicate facia decoration to make it beautiful to behold. Being pre-Life 365 and high powered PCE’s, designing such a concrete had no precedents, and many deemed it impossible. However, a few concrete technologists called up some formulas and equations and began work. This is the story of The Great Stupa of Dharmakaya.