中文摘要：

冻融破坏是指含水或与水接触的混凝土在长期正负温度交替循环作用下在表面产生拉裂缝,诱导内部裂缝开展最终使混凝土性能全面劣化的剥蚀破坏。我国幅员辽阔,三北地区大部分建筑物及西南高山高原地区的重要工程都受到冻融破坏的影响,给建设工作带来巨大挑战。冻融破坏已成为上述地区结构服役期间最主要的不利因素,产生巨大的安全隐患和经济损失。结合国内外冻融破坏研究现状,介绍混凝土、再生混凝土、纤维增强混凝土及纤维增强再生混凝土在冻融循环条件下的力学性能、宏观表现及微观破坏机理。通过对比探讨提高混凝土及再生混凝土抗冻耐久性的方法,对新型混凝土尤其是纤维增强再生混凝土应用于未来建设活动的必要性和可行性做出展望。

英文摘要：

Freeze-thaw cycling damage refers to the situation when the concrete in contact with water is under the action of positive and negative temperature＇s alternately cycle for a long time, it may induced the pull cracks ,which leads to the internal cracks make comprehen- sive performance degradation of concrete denudation eventually.China is a vast territory, thus the most buildings in the Three-north region （the Northeast, the Northwest and the North China）, and some important engineering in the Southwest＇ s alpine plateau are affected by freeze-thaw damage, which brings a great challenge to the construction.Freeze-thaw damage has become the main negative factor to the constructions in its duration of use,leading to a great potential safety hazard and economic losses.Based on the researches about the freeze-thaw damage at home and abroad, introduces the mechanical property, the macro performance and the microscopic failure mecha- nism of the concrete, recycled concrete, fiber reinforced concrete and the fiber reinforced recycled concrete under the condition of the freeze-thaw cycle.By comparing the study methods of improving the durability of concrete and recycled concrete frost resistance of con- crete, it also make a good prospect to the necessity and feasibility of the new type of concrete, especially the new fiber reinforced recycled concrete being applied to of construction activities in the future.