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The ECC material family is expanding. The development of an individual mix design of ECC requires special efforts by systematically engineering of the material at nano-, micro-, macro- and composite scales. ECC looks similar to ordinary Portland cement-based concrete, except that it can deform (or bend) under strain. [1]
The organization estimated that the 3D-printed concrete walls saved about 15% per square foot in building costs. The 1,738 ft 2 home in Arizona was constructed in the summer: a time when construction typically halts due to the extreme heat. 80% of the home was constructed using 3D printing including the interior and exterior walls, while the ...
Calcium silicate hydrate (also shown as C-S-H) is a result of the reaction between the silicate phases of Portland cement and water. This reaction typically is expressed as: 2 Ca 3 SiO 5 + 7 H 2 O → 3 CaO · 2 SiO 2 · 4 H 2 O + 3 Ca(OH) 2 + 173.6 kJ. also written in cement chemist notation, (CCN) as: 2 C 3 S + 7 H → C 3 S 2 H 4 + 3 CH + heat
The use of fibers in the mix has several advantages like in the case of conventional concrete. The higher cement content and faster hydration rate requirements of printed concrete make it susceptible to shrinkage cracking and thermal stresses. The use of fibers (structural or non-structural) can counter these significantly. [22]
Image source: Getty Images. It's spooky season, and although the 12-foot Home Depot skeletons steal the spotlight year after year, they're not the only Halloween decoration that'll turn heads.
In May 2016, a new office building opened in Dubai, a 250-square-meter space (2,700-square-foot), touted by Dubai's Museum of the Future as the world's first 3D-printed office building. [ 16 ] In 2017, a project to build a 3D-printed skyscraper in the United Arab Emirates was announced. [ 17 ]
A post on X shows Trump ally Steve Bannon stating that President-Elect Donald Trump can actually run for a third term as President by law. Verdict: False The 22nd amendment of the U.S ...
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