Question
a.
According to the petrological characteristics, concrete aggregates are classified as heavy weight, normal weight and light weight
b.
According to the shape of the particles, concrete aggregates are classified as rounded irregular, angular and flaky
c.
According to the surface texture of the particles, the concrete aggregates are classified as glassy, smooth, granular, rough, crystalline, honey combed and porous
d.
All the above.
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