▎ 摘　　要

NOVELTY - The method involves creating (S1) a monomer value model by using finite element software. An asphalt heat transfer model, an asphalt static mechanical model, a graphene phase change modifier heattransfer model and a graphene-phase change modifier static robotic model are created. A multi-scale mixed numerical value model is created (S2). The graphene phase-change modifier is prepared (S5) to form a mixed material with different scales mixed with the asphalt. A test device is used to measure a heat conductivity coefficient and a heat storage coefficient of the graphene phase changes asphalt. The test device uses to measure tensile strength and compression strength of the mixed material. The graphene phase change temperature adjusting performance evaluation index of the phase change asphalt and actual mechanism strength are analyzed (S6) and corrected the phase change temperature adjusting performance evaluation index and the mechanical strength obtained by simulation calculation. USE - Method for evaluating graphene phase-change modified asphalt based on graphene element analysis in a road surface material commonly seen in traffic industry. ADVANTAGE - The method solves the problem that the polyethylene glycol has solid-liquid phase transition after affecting the hardness of the asphalt, simple adding graphene not good to improve the asphalt pavement high temperature and low temperature disease, and provides an evaluation method graphene on finite element analysis of the enhanced phase change modified asphalt. DESCRIPTION OF DRAWING(S) - The drawing shows a methodical systemic structure diagram based on the finite analytic graphite heat-increasing strength-changing property. (Drawing includes non-English language text) S1Step for creating a monomer value model by using finite element software S2Step for creating multi-scale mixed numerical value model S3Step for calculating the phase change temperature adjusting performance value S4Step for performing finite element simulation calculation to the system compatibility before and after aging of the graphene-scale mixed graphene enhanced phase change modified asphalt S5Step for preparing the graphene phase change modifier S6Step for analyzing the graphene phase change temperature adjusting performance evaluation index of the phase change asphalt and actual mechanical strength