Studying the microstructure and calculating the effective elastic modulus of the structure can effectively solve this problem.

从细观结构入手，计算材料的等效弹性模量可大大降低计算量。

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So the effective elastic modulus shows more really the contribution of LWA to the elastic modulus of concrete and also includes the influence of different factors on the elastic modulus of LWA.

有效弹性模量能比较真实地反映混凝土中陶粒对混凝土弹性模量的贡献，并且包括了各种因素对陶粒弹性模量的综合影响。

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So the effective elastic modulus really shows the contribution of ceramsite to the elastic modulus of concrete and also includes the influence of different factors on the elastic modulus of ceramsite.

有效弹性模量能比较真实地反映混凝土中陶粒对混凝土弹性模量的贡献，并且包括了各种因素对陶粒弹性模量的综合影响。

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