Study on the Performance of Nano Calcium Carbonate Modified Asphalt Concrete AC-13

Author:

Hao Xiu Hong1,Zhang Ai Qin1,Yang Wei1

Affiliation:

1. Shandong Jiaotong University

Abstract

To make nano calcium carbonate as the modifier, firstly the best proportion of nano calcium carbonate is determined as 6% by comparing the influences of different proportions of nano calcium carbonate to the indexes of asphalt. Then the influence of mixing with nano calcium carbonate to the performance of asphalt concrete AC-13 has been studied. Tests show that, the mixing of 6% nano calcium carbonate has improved the dynamic stability of asphalt concrete AC-13 from 991 times/mm to 1269 times/mm; the residual stability from 0.87 to 0.94. This indicates that after mixing with nano calcium carbonate, both the high temperature performance and water stability of asphalt concrete have been improved.

Publisher

Trans Tech Publications, Ltd.

Subject

General Engineering

Reference6 articles.

1. Manfred N. Perspective on nanotechnology in construction materials with a focus on asphaltic materials. Florida:NSF Workshop on Nano modifications of Cementitious Materials rR]. (2006).

2. Gao Qibiao, Shentu Baoqing, Weng Zhixue. Chemical Production and Technology, 2001(6): p.22. In Chinese.

3. Zhang Jinsheng, Gao Youbin, Li Mingtian. Journal of Shandong Jiaotong University, 2004(4): p.10. In Chinese.

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5. Liu Daliang, Luo Liwu, Yue Aijun. Highway, 2006(6): p.145. In Chinese.

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