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...

滑坡推力在多排抗滑桩上的分配情况研究

, PP. 26-31

Keywords: 道路工程,滑坡推力,强度折减法,抗滑桩,多级剪出口,破碎岩石老滑坡

Full-Text   Cite this paper   Add to My Lib

Abstract:

传统滑坡推力计算,通常应用不平衡推力法进行抗滑桩设计。但对于多排抗滑桩治理工程的设计,常规方法无法准确计算每排桩上的推力大小以及分布形式,而有限元强度折减法计算滑坡推力遵循桩-土相互作用原则,可以得到桩后推力与桩前抗力分布形式。以十堰—天水高速某多级剪出口滑坡为研究对象,通过对破碎岩石老滑坡的成因与滑动机制进行分析,明确促使滑坡复活的各种因素。在此基础上应用Plaxis软件建立有限元模型,通过数值计算方法得到边坡开挖过程、降雨过程与强度折减过程3种不同工况下抗滑桩桩后推力与桩前抗力的分布情况,进而得到每排抗滑桩的滑坡推力分担比。该方法避免了传统方法存在的种种局限性,为多排抗滑桩设计提供一种行之有效的解决办法。

References

[1]  [D]. Hangzhou:Zhejiang University, 2006.
[2]  郑颖人,赵尚毅.用有限元强度折减法求边(滑)坡支挡结构的内力
[3]  [J].岩石力学与工程学报,2004,23(20):3552-3558. ZHENG Ying-ren ,ZHAO Shang-yi. Calculation of Inner Force of Support Structure for Landslide/Slope by Using Strength Reduction FEM
[4]  [J]. Chinese Journal of Rock Mechanics and Engineering, 2004,23(20):3552-3558.
[5]  戴自航.抗滑桩滑坡推力和桩前滑体抗力分布规律的研究
[6]  [J].岩石力学与工程学报,2002, 21(4):517-521. DAI Zi-hang. Study on Distribution Laws of Landslide-thrust and Resistance of Sliding Mass Action on Anti-slide Piles
[7]  戴自航,徐祥.边坡抗滑桩设计计算的三维有限元法
[8]  [J].岩石力学与工程学报,2012,31(12):2572-2578. DAI Zi-hang,XU Xiang. 3D Finite Element Method for Design Computations of Anti-slide Piles
[9]  [J].Chinese Journal of Rock Mechanics and Engineering,2012,3(12): 2572-2578.
[10]  赵尚毅,郑颖人,李安洪,等.多排埋入式抗滑桩在武隆县政府滑坡中的应用
[11]  [J].岩土力学,2009,30(增1):160-164 ZHAO Shang-yi,ZHENG Ying-ren,LI An-hong, et al. Application of Multi-row Embedded Anti-slide Piles to Landslide of Wulong Country Government
[12]  [J]. Rock and Soil Mechanics, 2009,30(S1):160-164.
[13]  杨明辉,汪罗成,赵明华.考虑土拱效应的双排抗滑桩桩侧土压力计算
[14]  [J].公路交通科技,2011,28(10):12-17,39. YANG Ming-hui,WANG Luo-cheng,ZHAO Ming-hua. Calculation of Soil Pressure against Double-row Anti-slide Piles Considering Soil Arching Effect
[15]  [J]. Journal of Highway and Transportation Research and Development,2011,28(10):12-17,39.
[16]  唐晓松,郑颖人,邱文平. 多排抗滑桩治理工程的有限元设计计算与优化
[17]  [J].防灾减灾工程学报,2011,31(5):548-554 TANG Xiao-song, ZHENG Ying-ren, QIU Wen-ping. FEM Design and Calculation in the Governance Engineering of Anti-slide Plies
[18]  [J]. Journal of Disaster Prevention and Mitigation Engineering, 2011,31(5):548-554.
[19]  唐芬,郑颖人,杨波.双排抗滑桩的推力分担及优化设计
[20]  [J].岩石力学与工程学报,2010, 29(1):3162-3168. TANG Fen ,ZHENG Ying-ren ,YANG Bo. Thrust Share Ratios and Optimization Design for Two-row Anti-slide Piles
[21]  [J]. Chinese Journal of Rock Mechanics and Engineering, 2002, 21(4):517-521.
[22]  肖世国.似土质边(滑)坡抗滑桩后滑坡推力分布模式的近似理论解析
[23]  [J]. 岩土工程学报,2010,32(1):120-123. XIAO Shi-guo. Approximate Theoretical Solution of Distribution Modes of Landslide Thrust on Anti-sliding Piles in Soil-like Slopes or Landslides
[24]  [J]. Chinese Journal of Geotechnical Engineering, 2010,32(1): 120-123.
[25]  杨涛, 周德培, 张俊云. 抗滑桩滑坡推力分布形式的计算确定
[26]  [J]. 岩土工程学报, 2006, 28(3): 322-326. YANG Tao,ZHOU De-pei, ZHANG Jun-yun. Distribution of Land-Slide Thrust on Anti-slide Piles
[27]  [J]. Chinese Journal of Geotechnical Engineering, 2006, 28(3):322-326.
[28]  熊治文. 深埋式抗滑桩的受力分布规律
[29]  [J]. 中国铁道科学,2000, 21(1): 48-51. XIONG Zhi-wen. Force Distribution Rule of Deeply Buried Anti-slide Pile
[30]  [J]. China Railway Science, 2000, 21(1): 48-51.
[31]  刘建华,查旭东,付宏渊,等.考虑降雨入渗条件下岩质边坡稳定性分析
[32]  [J].公路交通科技, 2009, 26(10):33-38. LIU Jian-hua, ZHA Xu-dong, FU Hong-yuan,et al. Analysis of Rock Slope Stability under Rainfall Infiltration Condition
[33]  [J]. Journal of Highway and Transportation Research and Development, 2009 , 26(10): 33-38.
[34]  赵静,党凯,胡维炜,等.金坪子滑坡II区千枚岩碎屑土 滑带土工程特性研究
[35]  [J].水利与建筑工程学报,2013,11(1):40-43. ZHAO Jing,DANG Kai,Hu Wei-wei, et al. Research on Engineering Characteristics of Phyllite Clastic Soil from Sliding Soil
[36]  [J]. Journal of Water Resources and Architectural Engineering, 2013,11(1):40-43.
[37]  [J]. Chinese Journal of Rock Mechanics and Engineering, 2010, 29(1):3162-3168.
[38]  吕庆.边坡工程灾害防治技术研究
[39]  [D].杭州:浙江大学,2006. LV Qing. Study on Prevention and Treatment Technology of Slope Engineering Disasters

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133