4 FAQs about Georgetown tunnel uses solar energy storage cabinet earthquake-resistant type

How have earthquakes impacted tunnel design practices?

Following recent major earthquakes, including Loma Prieta on California's Central Coast in 1989, Kobe in Japan in 1995 and Chi Chi in Taiwan in 1999, a significant amount of research has been devoted to understand the performance of tunnels during earthquakes, and this has led to the improvement of design practices for tunnels.

Why is ductility important for a seismically resilient tunnel?

An important consideration for a seismically resilient tunnel is adequate ductility. Ductility ensures the lining can deform without significant damage. This is the key to meeting performance objectives and returning the tunnel to service as soon as possible after a major seismic event.

Are there standards for seismic design of tunnels?

Stephen Klein: In the US, there are some standards for the seismic design of tunnels; however, many owners prefer to develop project-specific seismic design criteria that address their specific seismic performance objectives.

Can the Eurasia Tunnel withstand an earthquake?

In Turkey, the Eurasia Tunnel, which crosses beneath the Bosphorous Strait to connect the Asian and European sides of Istanbul, was designed to withstand a 7.25 magnitude earthquake.

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