Supply of river sand for large projects and sub projects

Construction river sand is divided into: construction sand, dried river sand, natural river sand, 4-8 mesh, 8-16 mesh, 10-20 mesh, 20-40 mesh, 40-70 mesh, 70-100 mesh
　　
River sand is a non-metallic ore with complex composition, smooth surface and high impurity content, which is produced by natural stone under natural state and repeated collision and friction with water force for a long time. The river sand particles are smooth, clean and widely sourced; River sand has no taste, sea sand has salt taste; River sand has an excellent contribution to the construction industry. On the contrary, the sea sand is often mixed with shells and salts. Most of the sea sand contains excessive chloride ions, which will corrode the reinforcement in the reinforced concrete, eventually lead to the destruction of the building structure, and to a certain extent, shorten the safe service life of the building.
Use of river sand
After sieving, river sediment can be used as External wall insulation mortar For example, the main raw materials of bonding mortar and river plastering mortar are water washed river sand. The strength is similar to that of Quartz sand Made mortar. Granular loose material used as skeleton or filling in concrete
Use of river sand River sand plays an important role in construction works For example, river sand must be added to concrete, gravel ， cement 。 The mortar used for brickwork is composed of river sand and cement, and the cement mortar used for painting the exterior wall is also river sand and cement.
Floor tiles are laid in decoration and wall tile base treatment cannot be separated from river sand.