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Essentials of Process Design for Aggregate Crushing Plant

In view of the above characteristics of the sand and aggregate processing plant, the key to the process design is to make a comparison of various plans. Designed from the perspectives of the stability of production and operation (dry method, wet method and combination of dry and wet), product quality stability (selection of auxiliary equipment such as crushing, screening, sand making equipment, conveying equipment), investment cost and operating cost Develop the optimal process plan.

Research and Application of High-Strength and High-Performance Concrete

High-strength concrete has a low water-binder ratio and a large amount of cementitious materials, which leads to an increase in hydration temperature, so plastic shrinkage and self-shrinkage. Although high-strength concrete has a higher tensile strength, it has a high elastic modulus, which will cause higher tensile stress under the same shrinkage and deformation, so the risk of cracking in the early stage and during use cannot be ignored.