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设计4种混凝土,即基准混凝土、钢纤维增强混凝土、耐碱玻璃纤维增强混凝土及聚丙烯纤维增强混凝土,以此4种混凝土为研究对象,进行混凝土抗冻性试验。试验结果表明:纤维增强混凝土的抗冻性能好于基准混凝土的抗冻性能;本试验的3种纤维增强混凝土中,抗冻性能最好的是聚丙烯纤维增强混凝土,其次是耐碱玻璃纤维增强混凝土,再次是钢纤维增强混凝土。
Design four types of concrete, ie, benchmark concrete, steel fiber reinforced concrete, alkali-resistant glass fiber reinforced concrete and polypropylene fiber reinforced concrete. Four types of concrete were selected as research objects to carry out concrete frost resistance test. The test results show that the frost resistance of fiber reinforced concrete is better than that of benchmark concrete. Among the three kinds of fiber reinforced concrete tested in this experiment, the best antifreeze properties are polypropylene fiber reinforced concrete, followed by alkali-resistant glass fiber reinforced Concrete, once again, steel fiber reinforced concrete.