Low-temperature-resistant asphalt concrete and preparation method thereof: Fid-Bau Portal

Low-temperature-resistant asphalt concrete and preparation method thereof

LUO DENGFENG

The invention discloses low-temperature-resistant asphalt concrete and a preparation method thereof. The low-temperature-resistant asphalt concrete is prepared from the following substances: coarse aggregate, fine aggregate, mineral powder, asphalt and diatomite. The low-temperature-resistant asphalt concrete disclosed by the invention has outstanding ageing resistance and fatigue resistance; thelow-temperature-resistant concrete has the advantages that good temperature resistance is kept under high and low temperature conditions, cracking of the low-temperature concrete is avoided, excellentfatigue resistance and loosening and cracking resistance are achieved especially in low-temperature seasons and weather alternation seasons of a seasonal freezing area or a cold temperature area, theservice life of the concrete is prolonged, and the preparation is convenient.

本发明公开了耐低温沥青混凝土及其制备方法。本发明所述耐低温沥青混凝土包括以下物质：粗集料，细集料，矿粉，沥青，硅藻土。本发明所述耐低温沥青混凝土具有突出的抗老化性能和耐疲劳性能，在高低温情况下都保持良好的耐温能力，避免低温混凝土开裂，尤其在季冻区或者温度寒冷地区的低温季节、气候交替变化季节，具有优异的耐疲劳和抗松散破裂的能力，提高了混凝土的使用寿命，并且制备方便。

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