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Table 5 Physical characteristics of the ballast.

From: Laboratory Investigation into the Flexural Behavior of Embedded Concrete Sleepers in Two-Stage Concrete with Preplaced Ballast Aggregate

Type

Specific weight (ton/m3)

Los Angles abrasion (%)

Micro-deval abrasion (%)

Water absorption (%)

Point load index (MPa)

Uniaxial compressive strength (MPa)

Uncorrected

Corrected

Andesite

2.26

13

18.8

1.34

8.82

7.60

158.7