Keywords: geometric nonlinearity, sag effect, equivalent modulus of elasticity, vehicle - bridge interaction.

关键词: 几何非线性 、 中垂效应 、 等效弹性系数 、 车桥互制.

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The relationship between bending modulus of elasticity and bending strength was also linear.

抗弯弹性模量与抗弯强度具有密切的线性关系.

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For most materials the modulus of elasticity in compression is the same as in tension.

对于大多数材料来说,受压缩与受拉伸的弹性模量是相同的.

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