How is the penetration index calculated, and what does it signify?
Asked: November 20, 2024 at 10:09 pm by Jason Taylor
- This topic has 1 reply, 2 voices, and was last updated 6 months, 3 weeks ago by 吉田 陽一.
Answers
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November 20, 2024 at 10:23 pm by 吉田 陽一
The Penetration Index (PI) is calculated using penetration and softening point test results. It signifies the temperature susceptibility of bitumen—the degree to which its hardness changes with temperature. A higher PI indicates lower temperature susceptibility, meaning the bitumen maintains consistent performance across temperature variations.
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