从在 Wenchuan 地震损坏的水坝基于未加工的数据,包括严重地被损坏的许多,影响了损坏的特征和因素 include:severely 从这研究在这 paper.Findings 被讨论损坏水坝浓密地沿着 seismologic 差错被散布;小水坝,特别小的地球岩石水坝,有被许多因素引起的最严重的损坏;最严重的损坏被震波引起;损坏被余震聚集;并且模式与地震 intensity.Damage 模式增加了的损坏的程度在不同紧张地区变化了,裂开是有的水坝的 damage.Most 的最普通的类型有相对高的适用的能力的一个好底,并且水坝主要具有泥土 soil.This 的地球岩石的墙库和身体材料打 dams.Reservoir 维护的损坏的减轻的一些,另外的因素也在地震安全上有重要影响 dam.Finally ,某 recommendati
Based on raw data from dams damaged in the Wenchuan earthquake, including many that were severely damaged, characteristics and factors that influenced the damage are discussed in this paper. Findings from this study include: severely damaged dams were densely distributed along the seismologic fault; small dams, especially small earth-rock dams, had the most serious damage that was caused by a variety of factors; the most serious damage was caused by seismic waves; damage was aggregated by aftershocks; and the extent of the damage patterns increased with the seismic intensity. Damage patterns varied in different intensity zones and cracking was the most common type of damage. Most of the dams had a good base with relatively high bearing capacity, and the walls of the earth-rock dams were mostly of clay soil. This type of base and body material mitigated some of the damage to dams. Reservoir maintenance and other factors also have a significant impact on the seismic safety of the dam. Finally, some recommendations to reduce seismic damage to dams are proposed.