This is some very interesting information to share...and one any builder should find interesting. I am not sure that the first (SECC) will be much better than OPC in the way of its carbon footprint, and industrial roots. GE is a huge polluter and any product they tend to back and/or support with the augmentation materials is not going to be inexpensive or environmentally sound in most cases. Professor Sobolev is an affiliate college that I am aware of, and have followed his work, as have many in the heavily industrialized concrete manufacturing world. Time will only tell where this "new concrete" will endup and how it will compete with the more ancient formulas of geopolymers which have the same properties yet present as much more environmentally sustainable. These ancient methods will last (2000 years and counting) well beyond even the projected dates of Professor Sobolev's formula.
Thanks for sharing this,
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