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本文对光弹性试验中将离心力冻结的结果与加载的结果加以迭合，并与通常分别进行试验的方法进行了比较，说明迭合法是可以推广的一种方法。“＊ＩＢ到Ｂ辄１％２年５月。 政于在外载荷和自重作用下的结枸，一般的光弹性试验法是用商中模型分别迸行试验、现测和计算的。「．ｎ．许辛和Ｍ．中．布可石金曾提出沙‘’‘’‘一种新的方法：“成力场迭合法”。但是并未验核其结果。 造一新方法有其简便狭特之灶，并可与普通方法起互相校核的作用。因而，我们在重力坝光弹性试验中，讨此法逃行了护一步规定其推多前提，引入了等效载荷的概念，并途行了初步的验证。
In this paper, the results of the freezing of centrifugal force and the results of loading are superimposed on the photoelasticity test, and compared with the methods that are usually carried out separately. It shows that the overlap law is a method that can be generalized. “*IB to B辄1% in May of 2 years. In the case of the government under the influence of external loads and self-weight, the general photoelasticity test method is to conduct tests, measurements and calculations using the commercial model.” Xu Xin and M.zhong.Buk Ke Shijin have proposed a new method of sand “’’’’:”Successful Field Diligence." But the results have not been verified. It is easy to create a new method. The special stoves can be used for mutual check with ordinary methods.Therefore, in the photoelasticity test of gravity dams, we discuss this method and escaping from one step to stipulate the conditions for pushing them, introducing the concept of equivalent loads, and A preliminary verification was carried out.