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A Texas company — driven by a mission to create faster, better and more affordable housing — is 3D printing homes. It's also working with NASA to 3D print on the Moon. Lesley Stahl reports.

Green360 Technologies will test its new metakaolin-cement formulation for slump retention and comprehensive strength, based on replacing 20 per cent, 30 per cent and 40 per cent of its ordinary ...

This study uses a non-bonded piezoelectric sensor (NBPS) on an aluminum-foil-affixed concrete cube specimen to assess the early mechanical properties of concrete using deep learning (DL). NBPS and ...

Self-compacting concrete (SCC) is a kind of high performance concrete with high workability. Practical application indicated that SCC can lower casting noises, enhance construction efficiency, and ...

Abstract The objectives of this research were to study (1) the dispersion of MWCNTs in an aqueous system by three commercial admixtures (CAds) for concrete, and (2) the effect of CAds and MWCNTs on ...

3.2. Concrete mix proportions Nine (9) trial concrete mixes using NCA were prepared with different W/C ratios (0.50, 0.60, and 0.65) and HRWR dosages to ensure high-workability. The basic mix ...

To keep your concrete strong and durable despite the cold, you’ll need to take extra precautions. The goal is to prevent freezing, maintain adequate curing temperatures, and ensure strength ...

Ultra-high performance concrete mixes cost $360-650 per cubic yard and have compressive strength from 22,500 PSI to 29000 PSI. There are proprietary makers of stronger concrete with costs of $2000 per ...