|
|
|
|
|
Zhilong Cao, Qianlong Hao, Xin Qu, Kexin Qiu, Ruiqi Zhao and Qianyu Liu
To explore the performance evolution mechanism of SBS-modified bitumen (SMB) during construction and service, the chemical structure, molecular weight and properties of styrene?butadiene?styrene triblock copolymer (SBS) and SMB under multiple aging level...
ver más
|
|
|
|
|
|
|
|
|
|
|
Zhongcai Huang, Xianwu Ling, Di Wang, Pengfei Li, Huaquan Li, Xinyu Wang, Zujian Wang, Rong Wei, Weining Zhu and Augusto Cannone Falchetto
This study evaluates the critical high- and low-temperature rheological properties of a high-viscosity modified asphalt (HVMA) binder by analyzing one neat and three high-viscosity modified binders (B-type, Y-type, and H-type) using temperature sweep tes...
ver más
|
|
|
|
|
|
|
|
|
|
|
Minghao Mu, Chaochao Liu and Zhengnan Liu
To improve the rutting resistance and anti-aging performance of bio-asphalt, the composite modifier of rock asphalt and montmorillonite is used to modify the bio-asphalt. The optimum content of each component was determined by orthogonal tests based on t...
ver más
|
|
|
|
|
|
|
|
|
|
|
Tengteng Guo, Haijun Chen, Deqing Tang, Shengquan Ding, Chaohui Wang, Decai Wang, Yuanzhao Chen and Zhenxia Li
Graphene Tourmaline Composite Micropowder (hereinafter referred to as GTCM) modified asphalt was prepared by the ball milling method. The effects of different temperatures and different frequencies on the high-temperature performance of composite-modifie...
ver más
|
|
|
|
|
|
|
|
|
|
|
Tingting Xie, Wenjuan Ren, Yifang Chen, Jiajia Sheng and Linbing Wang
Incorporating fibers into asphalt mixtures as additives and stabilizers can significantly enhance the performance of asphalt pavements. This study aimed to analyze the impact of using basalt and bamboo fibers as modifiers on the properties of asphalt mas...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ana Dias, Hugo Silva, Carlos Palha and Joel Oliveira
When temperatures drop to significantly low levels, road pavements are subjected to thermally-induced stresses, resulting in the appearance of thermal cracking, among other distresses. In these situations, polymers can be used as asphalt binder modifiers...
ver más
|
|
|
|
|
|
|
|
|
|
|
Chunyu Liang, Hao Zhang, Zhengwei Gu, Xin Xu and Jinxin Hao
To optimize the properties of asphalt mixtures and make full use of waste rubber tires, diatomite and crumb rubber particles were applied to reinforce the asphalt mixtures in this study. The rutting tests, the three-point bending tests, the freeze-thaw s...
ver más
|
|
|
|
|
|
|
|
|
|
|
Dan Li and Sakdirat Kaewunruen
Railway networks are exposed to various environmental conditions. It is thus critical that infrastructure components can tolerate such effects by design. Railway sleepers are a critical safety component in ballasted track systems. Prestressed concrete is...
ver más
|
|
|
|
|
|
|
|
|
|
|
Joseph W. Millard, Caleb W. Holyoke III, Rachel K. Wells, Cole Blasko, Andreas K. Kronenberg, Paul Raterron, Casey Braccia, Nicholas Jackson, Caleb A. McDaniel and Leif Tokle
We determined the activation volumes (V*) for polycrystalline magnesite with grain sizes of 2 and 80 µm deforming by low temperature plasticity (LTP) mechanisms (kinking and dislocation glide), diffusion creep, and dislocation creep at temperatures of 50...
ver más
|
|
|
|
|
|
|
|
|
|
|
Songtao Lv, Shuangshuang Wang, Tong Guo, Chengdong Xia, Jianglong Li and Gui Hou
As a natural modifier of asphalt, rock asphalt has been widely used to improve its thermal stability and aging resistance. However, the thermal cracking resistance of asphalt modified by rock asphalt is unsatisfactory. In order to improve the thermal cra...
ver más
|
|
|
|
|
|