Damage to Public Property from the Loma Prieta Earthquake: Analysis and Comparison to Whittier Experience and ATC Estimates

该项目涉及对洛马普里塔地震和惠蒂尔地震造成的公共财产损失进行比较分析。研究的具体目标是：（一）收集包括公共建筑、街道在内的公共设施实物损失的详细清单；桥梁和下水系统以及每一类损坏的维修和更换费用的文件；(2)产生一种描述统计，显示总体损害模式和每个辖区的损害模式；(3)将不同类型设施的破坏分布与惠蒂尔纳尔斯地震的破坏分布进行比较，并检验不同类型设施的破坏比例相同的假设；(4)根据每个案例研究管辖区的实际损失和有关财产数量和价值的二手数据，计算各种系统的损害比率；(5)将Whittier Narrows地震和Loma Prieta地震的实际震害值与ATC-13震害估计方法预测的震害值进行比较，确定各震害值对地震震害值的变化预测的值。

This project involves a comparative analysis of damage to public property caused by the Loma Prieta and Whittier earthquakes. Specific objectives of the study are: (1) to collect a detailed listing of physical damage to public facilities including public buildings, streets, bridges and water sewer systems and document repair and replacement costs for each class of damage; (2) to produce one way descriptive statistics that show the overall damage pattern and the damage pattern for each jurisdiction; (3) to compare the distribution of damage across types of facilities with that experienced in the Whittier Narrows earthquake and test the hypothesis that the proportion of damages for each class is the same; (4) to calculate damage ratios for various systems based on the actual losses and secondary data on the amount and value of property in each case study jurisdiction; and (5) to compare the actual damage experienced in both Whittier Narrows and the Loma Prieta earthquakes to the damage predicted by the ATC-13 damage estimation method and determine the variation of each to the predicted values.