橡胶粉改性沥青混凝土的性能评价

                         和施工工艺措施

                                      黄文元 孙立军 王旭东

摘要:首先分析了回收轮胎橡胶粉在公路路面工程的应用意义与前景,随后，从橡胶粉的成分和物理特性上

和改性沥青机理上初步揭示了橡胶改善路面性能的潜力。研究了橡胶粉干法改性沥青混凝土高温性能、抗水害性

能和低温抗裂性能，最后，总结了橡胶粉改性沥青混凝土试验路工程实施中遇到的独特技术问题和解决方案。

关键词：橡胶粉；改性沥青；路面工程

                  Performance Evaluation and Construction Techniques of Crumb Rubber

                       Modified Asphalt Concrete

                                            HUANG Wen-yuan, SUN Li-jun, WANG Xu-dong,

Abstract:  The significance and prospects of application of crumb rubber in pavements are  analyzed at first. Then, the mechanism of how rubber can improve pavement performance is explained from the point of view of the components of rubber, the physical characteristics of rubber and the mechanism of the rubber modification of asphalt. Many laboratorial experiments at high temperature, low temperature and in water condition are conducted, the results of which tell the performance improvement with rubber. The problems met in construction process of demonstration projects and the ideas dealing with them are discussed in the end.

Key words: crumb rubber, modified asphalt, pavement engineering, traffic classification