Relationships among damage parameter, Lebesgue norm of stress and pseudo stiffness modulus were obtained, and piecewise linear approach was used to calculate viscoelastic strain of asphalt mixture.

• 确定了破坏参数、应力的勒贝格范数和虚劲度模量之间的关系，进而用线性分段法计算了沥青混合料的黏弹性应变。