混杂纤维轻骨料混凝土研究现状

混杂纤维轻骨料混凝土具有高强、轻质、环保等优点,在高层建筑及桥梁工程中被广泛应用。近年来,许多学者对其基本力学性能进行了系列研究,取得了比较丰硕的成果,为轻骨料混凝土的发展及工程应用打下良好基础。综述了近年来混杂纤维轻骨料混凝土的最新成果,包括基本力学性能、抗冲击性能、抗冻性能、抗渗性能、纤维几何尺寸影响及最佳配合比等研究进展情况。结合目前研究现状,概括了混杂纤维轻骨料混凝土的重大突破及有待进一步探索的关键技术问题,为混杂纤维轻骨料混凝土科学研究及工程应用提供参考。

Research status of hybrid fiber reinforced lightweight aggregate concrete

Hybrid fiber reinforced lightweight aggregate concrete is widely used in high-rise buildings and bridge projects because it contains many advantages,such as high strength,light weight and environmental protection.In recent years,series of research on its basic mechanical properties were carried out by many scholars,and relatively fruitful results were achieved,which laying a good foundation for the development and engineering application of lightweight aggregate concrete.It reviews the recent achievements of hybrid fiber reinforced lightweight aggregate concrete,including basic mechanical properties,impact resistance,frost resistance,impermeability,fiber geometry and optimum mix proportion.Based on the current research status,it generalizes major achievements and key technical issues of hybrid fiber lightweight aggregate concrete,which provides a reference for the research and engineering application of hybrid fiber reinforced lightweight aggregate concrete.