Nonlinear Numerical Simulation for the Concrete Zone of Fracture in the Process of the Developing Load at Soft-Rock Roadway
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摘要: 引入断裂力学原理,以某混凝土结构副大巷中复杂结构为研究对象,通过相似模拟实验和现场观测等手段对有关材料物理力学参数进行识别和修正,结合现场矿压观测结果和相似材料模拟试验结果,对该巷道内部应力破坏敏感部位的内力和变形机理进行了系统的分析、模拟计算.研究结果对现场支护设计、维护加固和提高岩层稳定程度具有重要的意义.Abstract: Inducting rupture mechanics principles, comprhensive research on the inside of stress distortion and its mechanism has been developed at auxiliary concrete structures roadway. Both situation result and resemble simulacruxn ending, the property parameters of support material have been identified. It is boortan to design, reinforce, enhance the strata cohesion in practical project.
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Keywords:
- nonlinear /
- soft rock roadway /
- constitutive model /
- numerical simulation
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