Introduction: The Invisible Motor Of Modern Concrete Engineering In the present architectural landscape, concrete is far more than an easy combination of sand, gravel, and cement. Roughly 30 billion tons of concrete are consumed globally on a yearly basis, making it the most widely applied man-created substance on this planet. https://mag-beads38148.illawiki.com/2169323/the_final_word_guide_to_concrete_admixtures_from_superplasticizers_to_smart_materials