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Rough contact mechanics of particles with a crushable coating: experimental investigation of recycled concrete aggregate

delete2026-08-07
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PRE
AI
L
LI Man
M
M. R. Coop
G
Guojun Cai *
H
HE Huan *
S
Saurabh Singh
Z
Z. Liu
Y
Yong He
DOI:10.1016/j.triboint.2026.112571delete
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Abstract

Abstract

En 中文
• Hertz–Greenwood predictions overpredict recycled concrete aggregate normal stiffness. • Mindlin–Deresiewicz theory overestimates tangential contact stiffness. • Estimated recycled concrete aggregate contact area is only 4–6% of the Hertz area. • Cement mortar coating unifies friction coefficient to 0.60–0.70 across materials. • Shell–core compliance explains coating-controlled contact evolution.

Journal

Tribology International cover
Tribology International
IF:
6.9
Papers:
1.1W
Citations:
4.2W

Organization

U
university college london
Scholars:
7.3K
Papers: 4.0K
Citations: 1
S
Southeast University
Scholars:
1.8W
Papers: 7.6K
Citations: 480
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