题目

英语翻译
关于：氯氧镁水泥混凝土
Compressive and transverse strengths of cement mortar paste
Cement mortars were prepared by gauging the dry mixes of magnesia and dolomite powders in the ratio of 1 :3,1 :4 and 1 :5 by mass with magnesium chloride solution
of concentrations from 16°Be–36°Be as per standard consistency.The compressive and transverse strengths of cement mortars were ascertained from tests on cubes of size 70⋅6 mm and bars of 100 × 25 × 25 mm size,respectively.The specimens were prepared in metal moulds placed on non absorbent plates.The moulds were filled with the paste and were consolidated with light pressure only.The surface was made smooth with a blade of a trowel.These specimens were placed at 27 ± 2°C and in an atmosphere of 90% relative humidity for 24 h.After this,the specimens were removed from the moulds and were kept in desiccators at 60–70% relative humidity.The specimens were tested at the age of 7 days and 28 days as per IS 10132-1982.
Abrasion res

提问时间：2020-07-24

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