Thus, a nonlinear viscoelastic constitutive relation for cement mortar based on standard linear solid model considering the evolution of the damage internal variable is established accordingly.
据此，在标准线性固体模型的基础上，考虑损伤内变量的演化，建立了应变率相关的水泥砂浆的非线性黏弹性损伤模型。
The United States in 1982 issued a "concrete and mortar used for grinding blast furnace slag fine-grained" standard (ASTM C989 - 82), and was revised in 1989.
美国在1982年发表了“具体和迫击炮用于粉磨高炉矿渣细粒度”标准（美国ASTM C989 - 82 ） ，并于1989年进行了修订。
This standard is applicable to the test for fluidity of cement mortar.
本标准适用于水泥胶砂流动度的测定。
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