Ordinary asphalt. It is a common choice for asphalt base, and the price is slightly cheaper.
Hydrophobic asphalt. It features high cost, complex construction and less used. It has good strength and ductility, and is an ideal choice for base layer, especially suitable for regions with a cold climate and a large temperature difference, but the cost is high.
Cement Good strength, economic and practical, suitable for regions with a small temperature difference, but poor ductility
Cement stone powder Short construction period, low cost, good drainage performance, but poor weather resistance, easy to oxidize and cause a uneven ground base.
02Prepared Sub Base
Hydrophobic gravel: The lowest cost, good drainage performance, but poor rigidity and stability, easy to loosen the substrate after long time use, thus leading to uneven base.
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