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In-plane cyclic tests of seismic retrofits of rubble-stone masonry walls

机译：瓦砾石石工墙壁抗震改造的平面循环试验

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摘要

The recent catastrophic Gorkha Mw7.8 earthquake in Nepal showed that rubble-stone masonry houses can be extremely vulnerable and responsible for a large number of casualties. Seismic retrofitting techniques were experimentally studied for rubble-stone masonry walls widely used in the Himalayan belt. Four seismic retrofitting techniques were designed using locally available and affordable materials (e.g., wood, gabion wires, and tarpaulin). Full-scale walls with and without retrofitting were tested under lateral in-plane cyclic loads. The failure modes, hysteresis characteristics, and load-displacement responses were recorded and analyzed. The experiment results show that, with properly designed inexpensive retrofitting techniques, improvements in structural stiffness, ductility, and integrity can be achieved to effectively reduce damage during an earthquake.
机译：近期灾难性的Gorkha MW7.8尼泊尔地震表明，瓦砾石砌体房屋可能非常脆弱，负责大量伤亡。 针对喜马拉雅腰带广泛应用的瓦砾石砌体墙进行了实验研究了地震改造技术。 设计了四种地震改造技术，使用本地可用和实惠的材料（例如，木材，船只电线和篷布）设计。 在横向面内循环负载下测试具有和无需改装的全尺寸墙壁。 记录和分析失效模式，滞后特性和负载 - 位移响应。 实验结果表明，通过适当设计的廉价改造技术，可以实现结构刚度，延展性和完整性的改进，以有效地减少地震期间的损坏。

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