椭圆形陷落柱厚壁筒突水模式力学判据及数值模拟
有效地预测、预防岩溶陷落柱突水,运用复变函数、弹塑性力学,推导了椭圆形截面陷落柱＂厚壁筒＂力学模型突水模式的临界判据方程,并通过有限元软件验证了陷落柱受到均布力作用时,应力分布的解析解。研究表明：椭圆形截面陷落柱在受到以陷落柱柱体为导水通道的均布力作用下,厚壁椭圆筒的应力从椭圆筒的内壁到外壁逐渐变化,在椭圆筒内壁的长半轴的两个端点处应力取得最大值,在椭圆筒的短半轴处的应力取得最小值。...
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| Published in | Méitàn xuébào Vol. 36; no. 3; pp. 452 - 455 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
2011
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| Subjects | |
| Online Access | Get full text |
| ISSN | 0253-9993 |
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| Abstract | 有效地预测、预防岩溶陷落柱突水,运用复变函数、弹塑性力学,推导了椭圆形截面陷落柱＂厚壁筒＂力学模型突水模式的临界判据方程,并通过有限元软件验证了陷落柱受到均布力作用时,应力分布的解析解。研究表明：椭圆形截面陷落柱在受到以陷落柱柱体为导水通道的均布力作用下,厚壁椭圆筒的应力从椭圆筒的内壁到外壁逐渐变化,在椭圆筒内壁的长半轴的两个端点处应力取得最大值,在椭圆筒的短半轴处的应力取得最小值。 |
|---|---|
| AbstractList | 有效地预测、预防岩溶陷落柱突水,运用复变函数、弹塑性力学,推导了椭圆形截面陷落柱＂厚壁筒＂力学模型突水模式的临界判据方程,并通过有限元软件验证了陷落柱受到均布力作用时,应力分布的解析解。研究表明：椭圆形截面陷落柱在受到以陷落柱柱体为导水通道的均布力作用下,厚壁椭圆筒的应力从椭圆筒的内壁到外壁逐渐变化,在椭圆筒内壁的长半轴的两个端点处应力取得最大值,在椭圆筒的短半轴处的应力取得最小值。 |
| Author | 宋彦琦 王兴雨 程鹏 彭长剑 徐爽 |
| AuthorAffiliation | 中国矿业大学（北京）理学院,北京100083 中国矿业大学（北京）力学与建筑工程学院,北京100083 |
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| DocumentTitleAlternate | The mechanical criterion and numerical simulation of thick-walled elliptical cylinder collapse column model under water inrush |
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| Notes | water inrush mode karst collapse column; water inrush mode; mechanical criteria; numerical simulation 11-2190/TD karst collapse column mechanical criteria numerical simulation TD745.21 |
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| SubjectTerms | 力学判据 数值模拟 突水模式 陷落柱 |
| Title | 椭圆形陷落柱厚壁筒突水模式力学判据及数值模拟 |
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