Loading and Damage Mechanism of the Locking Section in the "three-stage" Rock Slope in Cold Regions
“三段式”岩质边坡的稳定性主要受锁固段控制。为揭示冻融作用对锁固段岩体的劣化效应，本研究模拟现场环境采用原岩物理模型试验方法，先对边坡模型进行双面冻融循环处理，再开展加载测试。通过试验与分析探究不同角度锁固段的损伤演化规律与破坏模式。结果表明：锁固段角度每增大10°（由60°向90°变化），峰值荷载分别下降61.18 kN、79.74 kN和105.06 kN，呈现递减趋势。锁固段角度越小，冻融劣化效应越弱。90°模型劣化最为严重（冻融6次劣化率为16.26%），而60°模型劣化最轻微（冻融6次劣化率为5.96%）。寒区锁固段长度与角度均呈现减小趋势，二者协同影响其损伤破坏模式。锁固段角度增大...
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
Editorial Department of Journal of Sichuan University (Engineering Science Edition)
2026-01-01
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| coleção: | 工程科学与技术 |
| Assuntos: | |
| Acesso em linha: | http://jsuese.scu.edu.cn/thesisDetails#10.12454/j.jsuese.202500824 |
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