Liquid nitrogen frozen cementitious product and its prospective applications: Motivated by refrigeration marketplace This research investigates the hydration, microstructure, autogenous shrinkage, electrical resistivity, and mechanical properties of Portland cement pastes modified with PEG-PPG triblock copolymers with varied molecular weights. The early age properties such as location... https://concrete-retarder86517.ka-blogs.com/85590829/the-smart-trick-of-concrete-plasticiser-that-no-one-is-discussing