掺加不同纤维高粘弹沥青力学性能影响分析

摘要

Taking Cixi municipal cement concrete pavement paving asphalt concrete layer and setting high-viscosity high-elasticity asphaltic sand stress absorbing layer between foundation base and surface layer as the engineering background,the thesis studies impact of mixing lignin fiber without mixing fiber and mixing basalt fiber upon mechanical performance of asphaltic sand. Results show that:mechanical performance of as-phaltic sand with mixing basalt fiber is better than that of mixing lignin fiber and non-mixing fiber,furthermore,the optimal additive amount of basalt fiber is about 0. 4%.%以慈溪市政水泥混凝土路面加铺沥青混凝土面层，在基层与面层之间设置高粘弹沥青砂应力吸收层为工程背景，研究了不加纤维、掺加木质素纤维与掺加玄武岩纤维对沥青砂力学性能的影响。结果表明，掺加玄武岩纤维的沥青砂力学性能优于不加纤维与掺加木质素纤维两种情况，且玄武岩纤维最佳掺量为0.4%。