所谓智能材料,顾名思义,就是一种能“感觉”出周围环境的变化,并且能针对环境的变化采取相应对策的材料。当它接受到外界压力、声音、温度、电磁波等物理量的变化时,其性状将随之变化。将智能材料应用于建筑桥梁工程中,不但可以检测出桥梁在长期使用中或在遭受狂风、地震、载重车辆通过时产生震动后可能出现的隐患和潜在的 The so-called smart materials, as its name implies, is a kind of material that can “feel ” the changes of the surrounding environment and can take corresponding measures according to the changes of the environment. When it receives external pressure, sound, temperature, electromagnetic waves and other physical changes, its character will change. The application of smart materials in building bridges not only can detect the hidden dangers and potential problems of bridge after long-term use or in the event of windstorm, earthquake and vehicle passing,