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科学技术的进步促进了高强混凝土的广泛应用。但是,由于高强混凝土高密实度、低渗透性的特点,致使其在高温或火灾条件下易出现爆裂现象。本文主要从掺加纤维、调整原材料、涂覆防火材料三个方面对目前高强混凝土高温爆裂行为的改善措施进行了总结。结果表明:通过掺加纤维、调整原材料、涂覆防火材料等措施可以不同程度的提高高强混凝土的耐高温性能。综合利用不同的改善措施可以更好地抑制高强混凝土的高温爆裂行为。
Advances in science and technology have promoted the widespread use of high-strength concrete. However, due to the high density and low permeability of high-strength concrete, it is easy to burst under high temperature or fire conditions. In this paper, the improvement measures of high temperature concrete burst behavior at high temperature are summarized from three aspects: adding fiber, adjusting raw materials and coating fireproof materials. The results show that the high temperature performance of high strength concrete can be improved to some extent by adding fiber, adjusting raw materials and applying fireproof materials. Comprehensive utilization of different improvement measures can better inhibit the high temperature burst behavior of high-strength concrete.