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International Journal of Concrete Structures and Materials

Table 7 Classification of shape factor index

From: Experimental Investigation on the Effect of Curing Condition and Admixture on Meso-Structure of Recycled Aggregate Concrete Based on X-ray CT

Classification

Stretch ratio

Flatness ratio

Shape

I

 > 0.67

 < 0.67

Pie

II

 > 0.67

 > 0.67

Spherical

III

 < 0.67

 < 0.67

Bladed

IV

 < 0.67

 > 0.67

Rod

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