Damage on earth-rock dams by "5·12" Wenchuan Earthquake and emergency handling
Wei Zhang · Yangtze River · 2008
Based on check results of reservoir damage in the earthquake-striken area of Sichuan Province by Wenchaun Earthquake,the earthquake-damaged phenomenon of earth-rock dams are summarized and correspondent hazards are pointed out.The causes of various damages are preliminarily analyzed and the correspondent treatment measures are proposed,including the actually adopted measures and the available measures in theory,some suggestions are put forward for correlative research and water conservancy work in the earthquake-striken area.It is impossible to thoroughly reinforce the earthquake-damaged reservoirs in a short-term period,thus local government leaders have been appointed as responsibility persons for each earthquake-damaged project,special personnel have been assigned to observe the operation condition of reservoirs and the development of earthquake-damaged phenomenon,and evacuation preplans for the downstream of reservoirs have been worked out to prevent dam failures and casualties.