钢纤维喷射混凝土衬砌结构模型试验及数值模拟研究

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发布时间：2020-01-06 00:00:00

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钢纤维喷射混凝土衬砌结构模型试验及数值模拟研究

Model Experiment and Numerial Simulation Study on Steel Fiber Reinforced Sprayed Concrete Lining Structure

２０16年第10期

喷射混凝土；衬砌结构；模型试验；数值模拟

Sprayed concrete; Lining structure; Model experimental; Numerical simulation

２０16年第10期

1000-4637（2016）10-53-03

王再举1，周祥瑞1，姚直书2

1.驻马店市建筑勘察设计院有限公司，463000；2.安徽理工大学土木建筑学院，淮南 232001

王再举1，周祥瑞1，姚直书2

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1000

摘要：为了研究喷射钢纤维混凝土的力学性能，设计并完成三组喷射混凝土衬砌加载模型试验。研究表明，喷射钢纤维混凝土具有良好的抗裂性和韧性，在裂缝出现时,仍能承受荷载；在混凝土中适当增加钢纤维的掺量，会显著提高混凝土的断裂性能。利用ANSYS有限元软件模拟喷射钢纤维混凝土衬砌试件在某组试验破坏荷载作用下的受力情况显示：当直墙部位荷载较大和拱部应力集中时，对整个衬砌结构很不利。 Abstract: In order to study the mechanical properties of the steel fiber reinforced sprayed concrete, three groups of lining loading model test were designed and accomplished. The results showed that, steel fiber reinforced sprayed concrete has good crack resistance and toughness, it can still resist the load when it has cracks and an appropriate steel fiber content can increase the concrete fracture properties. The sprayed steel fiber reinforced concrete lining specimens under a certain set of test loads was simulated by the ANSYS. The results showed that, the large load straight wall portion and arch stress concentration have a great harm to the entire lining structure.

英文名 : Model Experiment and Numerial Simulation Study on Steel Fiber Reinforced Sprayed Concrete Lining Structure

刊期 : ２０16年第10期

关键词 : 喷射混凝土；衬砌结构；模型试验；数值模拟

Key words : Sprayed concrete; Lining structure; Model experimental; Numerical simulation

刊期 : ２０16年第10期

DOI :

文章编号 : 1000-4637（2016）10-53-03

基金项目 :

作者 : 王再举1，周祥瑞1，姚直书2

单位 : 1.驻马店市建筑勘察设计院有限公司，463000；2.安徽理工大学土木建筑学院，淮南 232001

王再举1，周祥瑞1，姚直书2

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摘要

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结论

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引用本文

Abstract: In order to study the mechanical properties of the steel fiber reinforced sprayed concrete, three groups of lining loading model test were designed and accomplished. The results showed that, steel fiber reinforced sprayed concrete has good crack resistance and toughness, it can still resist the load when it has cracks and an appropriate steel fiber content can increase the concrete fracture properties. The sprayed steel fiber reinforced concrete lining specimens under a certain set of test loads was simulated by the ANSYS. The results showed that, the large load straight wall portion and arch stress concentration have a great harm to the entire lining structure.

关键词:

喷射混凝土；衬砌结构；模型试验；数值模拟

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钢纤维喷射混凝土衬砌结构模型试验及数值模拟研究

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