考虑温度效应的路基粗粒填料亚塑性模型
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陈绍祥,曹志刚,叶星池,蔡袁强,张琪
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Hypoplastic model for road base coarse-grained materials accounting for temperature effect
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Shao-xiang CHEN,Zhi-gang CAO,Xing-chi YE,Yuan-qiang CAI,Qi ZHANG
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| 表 3 凝灰岩碎石料的亚塑性模型参数 |
| Tab.3 Hypoplastic model parameters of crushed tuff |
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| 模型参数 | 数值 | | 模型参数 | 数值 | | ${\varphi _{\rm{c}}}$/(°) | 45 | | $ {k_1} $ | −0.027 | | $ n $ | 0.6 | $ {b_1} $ | 0.076 | | $ {h_{\rm{s}}} $/MPa | 75 | $ {k_2} $ | 0.013 | | ${e_{\rm{i}}}_{\rm{0}}$ | 0.50 | $ {b_2} $ | 0.023 | | ${e_{\rm{d}}}_{\rm{0}}$ | 0.22 | ${k_{{\rm{vt}}} }$/(℃−1) | 2.5×10−5 | | ${e_{{\rm{c0}}} }$ | 0.45 | $ {k_3} $ | 25.455 | | $\;\beta$ | 4 | $ {b_3} $ | 42.237 |
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