全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

岩溶区桩端下伏溶洞顶板稳定性分析研究

Keywords: 道路工程,岩溶,岩石破坏判据,顶板稳定性,破坏模式

Full-Text   Cite this paper   Add to My Lib

Abstract:

在总结归纳岩溶区溶洞顶板稳定性分析方法的基础上,针对目前桩端下伏溶洞顶板稳定性验算方法中存在的问题进行相应改进,在溶洞顶板抗冲切、抗剪验算中分别引入格里菲斯判据和莫尔判据,对抗剪验算全面考虑了桩端岩层剪切破坏和溶洞平面投影边缘处岩层剪切破坏2种破坏模式,对完整、无裂隙顶板采用圆形固支板模型验算抗弯稳定性,最后将该方法应用到某公路大桥的溶洞顶板稳定性验算中,计算结果表明该方法简单、实用。

References

[1]  工程地质手册编委会.工程地质手册
[2]  [M].第4版.北京:中国建筑工业出版社,2007.Editorial Board of Engineering Geology Handbook.Engineering Geology Handbook
[3]  [M].4th ed.Beijing:China Construction Industry Press,2007.
[4]  赵明华,袁腾芳,黎莉,等.岩溶区桩端持力层安全厚度计算研究
[5]  [J].公路,2003(1):124-128.ZHAO Minghua,YUAN Tengfang,LI Li,et al.Computation Study of Safety Thickness of Bearing Rock Strata at Ends of Piles in Karst Area
[6]  [J].Highway,2003(1):124-128.
[7]  黎斌,范秋雁,秦凤容.岩溶区溶洞顶板稳定性分析
[8]  [J].岩石工程与力学学报,2002,21(4):532-536.LI Bin,FAN Qiuyan,QIN Fengrong.Analysis of Cave Roof Stability in Karst Area
[9]  [J].Chinese Journal of Rock Mechanics and Engineering,2002,21(4):532-536.
[10]  张林,杨志刚,钱庆强,等.溶洞顶板稳定性影响因素正交有限元分析
[11]  [J].中国岩溶,2005,24(2):156-159.ZHANG Lin,YANG Zhigang,QIAN Qingqiang,et al.Orthogonal Finite Element Analysis of Influence Factor of Cave Roof Stability
[12]  [J].Carsologica Sinica,2005,24(2):156-159.
[13]  程晔,曹文贵,赵明华.路基下岩溶稳定性评价的模糊多层次多属性决策方法研究
[14]  [J].岩土力学,2007,28(9):21-24.CHENG Ye,CAO Wengui,ZHAO Minghua.Fuzzy Multiple Hierarchy Multiple Attribute Decsion Making in Stability Evaluation of Karst of Roadbed
[15]  [J].Rock and Soil Mechanics,2007,28(9):21-24.
[16]  赵明华,曹文贵,何鹏祥,等.岩溶区及采空区桥梁桩基桩端岩层安全厚度研究
[17]  [J].岩土力学,2004,24(1):64-68.ZHAO Minghua,CAO Wengui,HE Pengxiang,et al.Study on Safe Thickness of Rock Mass at End of Bridge Foundation' s Pile in Karst and Worked-out Mine Area
[18]  [J].Rock and Soil Mechanics,2004,24(1):64-68.
[19]  李炳行,肖尚惠,莫孙庆.岩溶地区嵌岩桩桩端岩体临空面稳定性初步探讨
[20]  [J].岩石力学与工程学报,2003,22(4):633-635.LI Bingxing,XIAO Shanghui,Mo Sunqing.Discussion about the Stability of Rock Mass Free Face on the Tip of Rocksocked Pile in Karst Region
[21]  [J].Chinese Journal of Rock Mechanics and Engineering,2003,22(4):633-635.
[22]  周建普,李献民.岩溶地基稳定性分析评价方法
[23]  [J].矿冶工程,2003,23(1):4-10.ZHOU Jianpu,LI Xianmin.Methods of Stability Analysis in Karst Foundation
[24]  [J].Mining and Metallurgical Engineering,2003,23(1):4-10.
[25]  刘佑荣,唐辉明.岩体力学
[26]  [M].武汉:中国地质大学出版社,1999:67-74.LIU Yourong,Tang Huiming.Rock Mechanics
[27]  [M].Wuhan:China University of Geosciences Press,1999:67-74.
[28]  刘铁雄.岩溶顶板与桩基作用机理分析与模拟试验研究
[29]  [D].长沙,中南大学,2002.LIU Tiexiong.Mechanism Analysis of Interaction between Cave Roof and Pile Tip and Model Test Study
[30]  [D].Changsha:Central South University,2002.
[31]  罗强,谭捍华,龙万学,等.岩溶地区公路桥基勘测与洞穴稳定性评价
[32]  [J].公路交通科技,2006,23(2):111-114.LUO Qiang,TAN Hanhua,LONG Wanxue,et al.Survey of Highway Bridge Foundation and Stability Evaluation of Cave in Karst Region
[33]  [J].Journal of Highway and Transportation Research and Development,2006,23(2):111-114.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133