提出了一种估计既有混凝土的弹性模量的新方法。
This paper raise a new method on estimating the modulus of existing concerte elasticity based on the Evidence Theory.
试验结果表明桥墩混凝土的弹性模量变化不但影响基岩承载力，而且桥墩弹性模量与基岩弹性模量之间存在着某一最佳匹配。
The results indicate that not only is rock limit bearing capacity affected by elastic modulus variation, but also there is an optimal value between elastic modulus of the bridge pile and that of rock.
试验结果表明：粉煤灰单掺会降低再生骨料混凝土的弹性模量，粉煤灰与矿渣双掺对弹性模量的影响随两者组合比例不同而有显著差异。
The experiment results show that that the elastic modulus is reduced when fly ash only was added to RAC and present a significant difference with the rate of fly ash and slag content.
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