ArticleiScience2026
Weak interface strong skeleton shrinkage resistant mix design for large cement stabilized base.
Article in iScience, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Not yet cited in PubMed.
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Corrections and comments
- Erratum issued
Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Semi-rigid base asphalt pavements suffer from reflective cracking caused by shrinkage of cement-stabilized materials. This study presents a "weak-interface, strong-skeleton" design for Filling-Type Large-Particle-Size Cement-Stabilized Crushed Stone (F-LSBC) using 19-26.5 mm coarse aggregates and fine aggregates below 2.36 mm. Through compaction-filling tests, mechanical strength evaluations, fatigue testing, and drying shrinkage measurements, we determined the optimal skeleton void ratio (∼43%), filler-to-coarse aggregate mass ratio (0.30), and cement dosage (5.27%). Although F-LSBC exhibits lower mechanical strength than conventional cement-stabilized macadam, it reduces cumulative drying shrinkage strain to 81% and the average shrinkage coefficient to 87% of control values. This design provides a practical, construction-friendly approach for crack-resistant pavement bases, offering a balanced trade-off between structural strength and shrinkage control for high-grade highway applications.
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