Abstract: Asphalt concrete is a typical heterogeneous composite material at the mesoscale. Under the action of external load, its internal dispersion cracks interact with each other, thereby changing the crack propagation behavior, ...

Abstract: This work improved the low-temperature rheological properties of asphalt modified with styrene butadiene styrene (SBS) using an acid modifier, namely polyphosphoric acid (PPA), and investigated the microstructural changes ...