粤西农村房屋典型震害及成因分析

Typical Earthquake Damage and Cause Analysis of Rural Houses in Western Guangdong

未达到抗震设防要求的城镇老旧建筑、无抗震设防房屋及农村自建房,是目前地震中毁坏程度较高的建筑群体。通过总结某次地震粤西农村房屋典型震害,找寻易于发生破坏的结构类型和震害现象,并分析其震害成因,借以提出对省内其他区域普遍存在的农村房屋摸清底数的基础上,通过风险调查与抗震鉴定等,寻找其致灾共性,并制订抗震除险加固等有效措施,切实提升农村房屋等未设防建筑群体的抗震性能。

Old buildings in cities and towns,houses without seismic fortification,and self-built houses in rural areas that do not meet the requirements for seismic fortification are the most highly damaged building groups in the current earthquake.By summarizing the typical earthquake damages of rural houses in western Guangdong in a certain earthquake,searching for structural types and earthquake damage phenomena that are prone to damage,and analyzing the causes of earthquake damage,it is proposed to find out the basic number of rural houses that are prevalent in other regions in the province.Through risk investigation and seismic appraisal,we will look for the commonality of disasters,and formulate effective measures such as earthquake-resistant and risk-removing reinforcement to effectively improve the seismic performance of undefended buildings such as rural houses.