This is the reason why buildings sink even by more than a foot following an earthquake. Earthquakes or some other high vibration source can increase the pressure of shallow groundwater thus liquefying the soil. Vibrations are also responsible for the formation of the Quicksand. The cushioning of water gives quicksand, and other liquefied sediments, a spongy, fluid-like texture. The normal sand can support the extreme amount of weight, but the presence of water reduces the friction between the sand particles that was mainly responsible for the ability to support the weight. It is the change in pressure or stress that triggers the liquefaction process. Quicksand is a Non-Newtonian fluid and may appear solid like when undisturbed. The seepage forces oppose the force of gravity and suspend the soil particles in the case of upwards flowing water.
It can form in standing water as well as in upwards flowing water. When water in the sand cannot escape, it saturates the sand and creates a liquefied version that loses strength and cannot support the weight. The quick nature of it is due to the peculiar mix of sand clay and water.
Quicksand is nothing but a colloidal hydrogel consisting of fine granular materials such as sand, silt or clay, and water. Quicksand is no monstrous or alien substance. We are here to explain the Science behind the Quicksand. Like Susan, many of you out there must be curious about the working of the Quicksand.ĭo not worry. But she was very curious about how the quicksand swallowed her in. Susan could not forget the horrifying experience. Fortunately, the other people in her group saw her sinking and helped her out. Helpless, she thought that she would never be able to come out. Blonde Bat $13.The more she struggled, the deeper she sunk.
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