11/18/2023 0 Comments 3d printed quake logo![]() Several years ago, Yoon started using additive manufacturing, commonly known as 3D printing, to make rocks from a gypsum-based mineral under controlled conditions, believing that these rocks would be more uniform. Natural rocks collected from the same location can have vastly different mineral orientation and layering, causing different weak points and fracture types. To study different types of fault failures, and their warning signs, Sandia geoscientist Hongkyu Yoon needed a bunch of rocks that would fracture the same way each time he applied pressure-pressure not unlike the pressure caused by injecting water underground. They also crushed rocks with specially engineered weak points to hear the sound of different types of fault failures, which will aid in early detection of an induced earthquake.ģD printing variability provides fundamental structural information Sandia geoscientists studied how pressure and stress from injecting water can transfer through pores in rocks down to fault lines, including previously hidden ones. Of course, energy companies do their due diligence to check for faults-breaks in the earth's upper crust that are prone to earthquakes-but sometimes earthquakes, even swarms of earthquakes, strike unexpectedly. ![]() Injecting water underground after unconventional oil and gas extraction, commonly known as fracking, geothermal energy stimulation and carbon dioxide sequestration all can trigger earthquakes.
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