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Liquefaction Mitigation Design Challenge

Design and construct a soil foundation model capable of supporting a weighted structural load while subjected to simulated seismic liquefaction. Participants must engineer a drainage or densification system within saturated granular media to prevent catastrophic bearing capacity failure during a sustained 60-second vibration test. Success is measured by minimizing total vertical settlement and relative tilt of the structural footing upon completion of the test cycle.

Materials: Clear plastic container, fine-grain sand, water, small flat rigid plate, heavy metal washers or bolts, handheld vibrating massage tool or mechanical shaker.

Deadline: September 7, 2026
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Background: NASA/ESA Hubble