#structural-dynamics

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fromwww.scientificamerican.com
4 hours ago

Hidden structural features inside Egypt's Great Pyramid may have helped it withstand earthquakes, new study finds

Most of the Khufu pyramid’s natural frequency (~2.3 Hz) differs from the ground’s (~0.6 Hz), reducing earthquake resonance amplification.
fromMail Online
9 hours ago

Secrets of the Great Pyramid: Scientists uncover hidden structures

Since it was built, the magnificent structure has experienced significant tremors with magnitudes of up to 6.8. Earthquakes of this size are capable of causing significant damage to buildings within 155 miles (250km) of their epicentre. However the Great Pyramid, built for Egyptian Pharaoh Khufu, has suffered no major deterioration internally or externally. Now, experts have finally worked out why - and it's all thanks to remarkable engineering techniques that the ancient Egyptians used.
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