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本文提出一种新的高容重、低弹模的实验材料,采用埋置在模型内的高灵敏度、低弹模的光测元件观测本身的应力。利用模型材料自身的重力可以产生与原型相似的累积的构筑荷重,同一个模型可以重复用于多种荷载工况。这种新的实验方法为研究由水压、自重等等荷载引起的综合应力提供有利的条件,并将提高实验效率。本文还给出了一个应用实例。
This paper presents a new experimental material with high bulk density and low elastic modulus. The high-sensitivity and low elasticity photometric elements embedded in the model are used to observe the stress. Using the gravity of the model material itself can produce a cumulative build load similar to the prototype, and the same model can be reused for a variety of load cases. This new experimental method provides favorable conditions for studying the comprehensive stress caused by water pressure, self-weight, and so on, and will increase the experimental efficiency. This article also gives an application example.