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铁路工程用耐久性混凝土是以环境作用和工程结构特点为前提、以耐久性设计为主要目标的混凝土。高速铁路是一种条形结构,要穿越不同环境区域,客观上具有环境作用的多样性和复杂性。本文通过耐久性混凝土在盘营高速铁路工程TJ-1标段的应用,介绍铁路工程耐久性混凝土的配合比设计方法、优化、试验情况。
Durable concrete for railway engineering is based on the role of environment and structural characteristics of the project, and durability-oriented design of concrete. High-speed railway is a strip structure, to cross the different environmental regions, objectively with the diversity and complexity of the role of the environment. In this paper, through the application of durable concrete in TJ-1 section of Pan-Ying High-Speed Railway, the design method, optimization and test of mix proportion of durable concrete for railway engineering are introduced.