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发明公开
CN109001078A 一种建立II类水泥基灌浆材料本构关系的方法 有权 转让

一种建立II类水泥基灌浆材料本构关系的方法
摘要：
一种建立II类水泥基灌浆材料本构关系的方法，包括步骤如下：步骤一、将II类水泥基灌浆材料配置成一组均质的水泥浆液；步骤二、对步骤一中水泥浆液分别进行流动度试验，得到水泥浆液的流动度试验数据；步骤三、建立相应的Euler-Euler模型；步骤四、在Euler-Euler模型中设置至少三组不同粘性系数的水泥浆液模型，然后对水泥浆液模型进行流动度试验模拟；直至得到一组水泥浆液模型的流动度试验数据与步骤二中水泥浆液的流动度试验数据差值小于0.1s，此时这组水泥浆液模型的粘性系数即为步骤一中的水泥浆液的粘性系数。本发明解决了II类水泥基灌浆材料作为一种混合材料，其本构关系的建立非常复杂的技术问题。
摘要（英）：

A method for establishing a constitutive relation of a class-II cement-based grouting material comprises the following steps: step 1, a group of homogeneous cement slurry is prepared from the class-IIcement-based grouting material; step 2, the cement slurry in step 1 is subjected to fluidity tests, and fluidity test data of the cement slurry is obtained; step 3, corresponding Euler-Euler model isestablished; step 4, at least three cement slurry models with different viscosity coefficients are set in the Euler-Euler model, then fluidity test simulation is performed on the cement slurry modelsuntil the difference between fluidity test data of one cement slurry model and the fluidity test data of the cement slurry in step 2 is smaller than 0.1 s, and at the moment, the viscosity coefficient of the cement slurry model is the viscosity coefficient of the cement slurry in step 1. The technical problem that establishment for the constitutive relation of the class-II cement-based grouting material as a mixed material is quite complicated is solved.

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