The model pile with two plates is loaded and unloaded for 5 times in silt and silty clay to study the engineering behavior of pile with plates and branches under repeated loading in different soils.

为研究支盘桩在不同土质中重复加载下的工程性状，分别对一个双盘模型支盘桩在粉土和粉质黏土中进行5次重复加载–卸载试验，所加最大荷载小于该模型桩的极限承载力。

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When rolled across wet clay, the image would appear in relief, repeated more than once if the cylinder was rolled over any length.

WSJ: The Ur-Metropolis | Uruk | Pergamon Museum | By A.J. Goldmann