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目前显示的是 八月, 2018的博文

Things You Should Know About Cement Storage Tanks

Cement is a powdery water-hardening inorganic gelling material. After mixing with water, it can be hardened in air or water, and can firmly put sand, stone and other materials together. The word “cement” comes from the Latin word “caementum”, meaning gravel and rubble. In early years, the mixture of lime and volcanic ash is very similar to lime pozzolanic cement, use it to glue concrete which made of crushed stone. After hardening, the cement not only has high strength, but also can resist the erosion of fresh water or salt water. For a long time, it has been used as a kind of important cementing material, widely used in civil construction, water conservancy, national defense and other projects. Nowadays, cement storage tanks  are widely used all around the world. It's very useful and helpful to know more about them. Cement Classification According To Main Hydraulic Material Portland cement Aluminate cement Sulphoaluminate cement Aluminoferrite cement