Sand for the construction industry

Sand in theconstruction industry is widely used in masonry, plastering, repair, groutingand pasting finishing materials and other projects, is one of the larger amountof building materials used in construction projects, our construction sand hasthe characteristics of uniformparticlesandfew impurities. Sand used in the construction industry inconcrete can be combined with cement molecules to increase the diffusion areaof cement molecules, form cement slurry, and enhance the hydration of cement.In addition, the gap between the stone particles can be filled, and togetherwith the stone, it can play a skeleton to improve the compactness and strengthof the concrete. Construction sand has a certain lubricating effect, improvingthe harmony and ease of concrete mixtures, and can act as a cushion in bad soillayers such as expanded soil and frozen soil, which plays a protective role.