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著某一最佳匹配。