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传统混凝土的设计主要考虑强度指标,忽视了混凝土的耐久性。工程实例表明,很多混凝土过早破坏就是因为耐久性差。然而,混凝土的开裂是引起混凝土耐久性不良的最重要因素之一,高性能混凝土随之产生。
Traditional concrete design mainly consider the strength index, ignoring the durability of concrete. Engineering examples show that a lot of concrete is destroyed prematurely because of poor durability. However, the cracking of concrete is one of the most important factors causing the poor durability of concrete. The high-performance concrete is generated accordingly.