The measured Young's modulus of lightweight aggregate concrete using Lytag as coarse aggregate is lower than that calculating from existing empirical formula.
采用粉煤灰陶粒配制成的轻骨料混凝土，其弹性模量实测值低于现有的经验公式计算值。
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This paper studys the influence of the mineral admixtures such as ultra-fine fly ash, ultra-fine slag and silica fume on compressive strength of lytag concrete.