Thiopave改性沥青路面力学响应研究

基于Thiopave改性沥青路面良好的高低温稳定性，采用有限元软件对典型半刚性基层沥青面层进行计算，得到不同沥青面层层底力学响应，并对计算结果进行对比研究，得到的主要结论如下：Thiopave沥青路面层底弯拉应力显著大于SBS沥青及基质沥青路面，路表轮隙中心处弯沉值小于SBS沥青及基质沥青路面；随着SEAM掺量的增加，Thiopave沥青路面层底弯拉应力逐渐增大，路表轮隙中心处弯沉值逐渐减小；随着沥青面层厚度的增加，沥青面层底部主拉应力减小，路表轮隙中心处弯沉值也呈现减小趋势．

Research on Mechanical Response of Thiopave Modified Bituminous Pavements

Based on the excellent high and low temperature stability of Thiopave bituminous pavements, the finite element software was adopted on the computation of the typical semirigid basic bituminous pavement, as a result, different bituminous pavement mechanical responses were obtained, then the contrast research was done and the main conclusion went as follows： the bottom curved tensile stress of the Thiopave asphalt pavement is obviously bigger than the SBS asphalt and common bituminous pavement; the road deflection value is smaller than the SBS asphalt and the matrix bituminous pavement; the Thiopave asphalt pavement layer bottom curved tensile stress increases and the road deflection value decreases gradually along with the increase of the SEAM quantity; the road deflection value and bottom curved tensile stress of pavements reduce gradually along with the increase of the bituminous pavement thickness.