Summarize the existing standards and regulations related to the production of mechanized sand,provide standardized technical requirements for mechanized sand production based on the characteristics of concrete structures in highway engineering,improve the properties of concrete for highway engineering,standardize the application of mechanized sand in highway engineering concrete,introduce the background and significance of the standard T/CECSG:K90-01-2022"Technical Regulations for Production of Mechanized Sand in Highway Engineering"of the China Association for Standardization of Engineering Construction,and explain and clarify the main clauses.
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