格宾石笼加筋土挡墙边坡地震动力特性研究

席 呈虎1, 朱 玮2, 刘 莉3
1、四川路桥建设集团股份有限公司
2、中南大学
3、西南交通大学

摘要


边坡在地震的作用下容易滑塌,如果不提前设置防护措施,将会造成巨大的影响。通过开展振动台试验,
对格宾石笼加筋土挡墙边坡的加速度峰值与基波频率演变特征进行了研究。结果表明:边坡的加速度峰值体现出明
显的高程放大效应,在0.8g时的响应特征最为明显;不同层的加速度峰值比值基本上位于1-1.14之间,表明加固后
相邻两层坡体协同性良好;随着输入地震波幅值的增长,卓越频带逐渐收窄,且振动能量主要集中于低频部分;第1
层与第3层的基波频率基本上位于5.87Hz左右,第4层与第5层的振动差异性在0.8g时增大,表明了格宾石笼加筋土
挡墙具备良好的抗震性能。

关键词


边坡;加筋土;动力特性;加速度

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参考


[1]Zhu H., Zhang LM., Xiao T., et al. Enhancement of

slope stability by vegetation considering uncertainties in root

distribution[J]. Computers and Geotechnics, 2017, 85:84-89.

[2]Qian ZG., Li AJ., Chen WC., et al. An artificial

neural network approach to inhomogeneous soil slope stability

predictions based on limit analysis methods[J]. Soils and

Foundations, 2019, 59(2):556-569.

[3]Han CY., Chen JJ., Xia XH., et al. Threedimensional stability analysis of anisotropic and nonhomogeneous slopes using limit analysis[J]. Journal of Central

South University, 2014, 21(3):1142-1147.

[4]马滨,王丽艳,吉文炜,等.强震下返包胎面加

筋挡土墙结构抗震性能模型试验研究[J/OL].岩土力学,

2025,(09):1-13[2025-08-28].

[5]郭海强,李安洪,肖卓琦,等.中日加筋土挡土

墙设计方法对比研究[J].铁道工程学报,2025,42(02):

23-28.

[6]乔世范,陈道龙,蔡子勇,等.考虑多因素影响

的柔性挡土墙主动土压力解析[J].建筑结构学报,2025,

46(05):241-254.

[7]Dong BC., Chen SL., Wang YX., et al. Research on

the Stability of Anti-Slip Pile Support Structures for Railway

Pile Slopes[J]. Symmetry-Basel, 2022, 14(11).

[8]Liu Z., Liu PZ., Zhou CY., et al. Modeling Riverbank

Slope Reinforcement Using Anti-Slide Piles with Geocells[J].

Journal of Marine Science and Engineering, 2021, 9(4).

[9]Chen GF., Guo F., Zhang GD., et al. Anti-slide

pile structure development: New design concept and novel

structure[J]. Frontiers in Earth Science, 2023, 11.

[10]Stewart JP,Bray JD,Mcmahon DJ,et al. Seismic

Performance of Hillside Fills[J]. Journal of Geotechnical and

Geoenvironmental Engineering, 2001, 127(11):905—919.




DOI: http://dx.doi.org/10.12361/2661-3506-07-12-151274

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