房屋结构损伤及安全性评估实例分析

Case Analysis of Structure Damage and Security Estimation

随着我国部分房屋建筑使用年限接近设计期限,或者说结构进入老化阶段,结构的健康状况和安全性评估逐步引起人们的关注。现代测试技术和计算机信息处理方法的结合,结构工程损伤检测方法、技术的规范化和科学化,基于时域和频域分析的结构参数辨识理论和技术、人工智能技术和专家系统也开始应用于结构健康监测和评估。简要评述了结构损伤检测方法进展和理论分析方法,并结合某体育场馆的结构安全性评估为实例,从结构设计、材料强度检测和实际结构状态进行全面检测和分析,并对其健康状况和安全性进行评估。

As service life of buildings approaching to projected life, or their structures entering aging stage, people are gradually concemed about the health status of the structure and security estimation. When new detection technology combined with computerized irformation process, and structural health monitoring method and technology being standardized and more scientific, the structure parameter recognition theory and technology based on time field and frequency field, artificial intelligence technology and expert system begin to be used in health monitoring and estimation. The advance in structural damage monitoring method and theoretical analysis is briefly reviewed. Taking the structure security assessment of a gymnasium as an example, the structure design, strength of materials and real time structure status are over-all measured and analyzed, and the health and security of structure are assessed.