Search for question
Question

2. The shape and surface texture of aggregate particles are important for both Portland cement concrete (PCC) and hot mix asphalt (HMA). (10 points) a) For preparing PCC, would you prefer round and smooth aggregate or rough and angular aggregate? Briefly explain why (no more than two lines). b) For preparing HMA, would you prefer round and smooth aggregate or rough and angular aggregate? Briefly explain why (no more than two lines).

Fig: 1

Fig: 2

Fig: 3