Study on Dynamic Characteristics of Loess Slope Reinforced by Prestressed Anchor Cables Under Earthquake

Wang Xiaolin; Xue Ying

doi:doi:10.11648/j.sd.20210906.22

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Study on Dynamic Characteristics of Loess Slope Reinforced by Prestressed Anchor Cables Under Earthquake

Wang Xiaolin, Xue Ying

Published in Science Discovery (Volume 9, Issue 6)

Received: 28 September 2021 Accepted: 15 November 2021 Published: 17 November 2021

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Abstract

As a commonly used method to reinforce slopes, prestressed anchor cables can effectively prevent slope instability. To study the dynamic response characteristics of loess slopes reinforced with prestressed anchor cables under earthquake action. Taking a slope in Yan'an as an example, using MIDAS/GTS numerical simulation, a model of loess slope reinforced by prestressed anchor cables under earthquake action is established, and the dynamics are analyzed in terms of slope displacement, horizontal and vertical velocity, maximum principal stress, and anchor cable axial force. Based on the response characteristics, the influence of peak seismic acceleration and ground motion duration on the stability of loess slopes is analyzed. The results show that under the action of an earthquake, the range of displacement and velocity of the slope surface is larger than that of the inside of the slope, and the slope surface is more prone to instability. The seismic wave has little effect on the axial force of the anchor cable at the same elevation. The displacement of the slope increases with the increase of the seismic peak acceleration, and the input peak acceleration is every time With an increase of 0.1g, the deformation at the slope surface S5 increases by 0.014m, and the slope displacement changes significantly with the change of the duration of the ground motion, increasing continuously.

Published in	Science Discovery (Volume 9, Issue 6)
DOI	10.11648/j.sd.20210906.22
Page(s)	348-353
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2021. Published by Science Publishing Group

Keywords

Seismic Slope, Prestressed Anchor Cable, Dynamic Response

References

[1]	李忠生.国内外地震滑坡灾害研究综述［J］．灾害学，2003，18(4)：64－70。
[2]	张永双，成余粮，姚鑫等，四川汶川地震－滑坡－泥石流灾害链形成演化过程［Ｊ］．地质通报，2013，32(12)：1900-1910。
[3]	ZHANG Y B, CHEN G Q, ZHENG L, et al. Effects of Nearfault Seismic Loadings on Run-out of Large-scale Landslide: A Case Study [J]. Engineering Geology, 2013, 166: 216-236.
[4]	言志信，曹小红，张刘平等，地震作用下黄土边坡动力响应数值分析[J]，岩土力学，2011，32(S2)：610-614。
[5]	叶帅华，黄安平，房光文，水平地震作用下黄土多级高填方边坡动力响应规律及稳定性分析[J]，震灾防御技术，2020，15(01)：1-10。
[6]	杨博，田文通，孙军杰等，地震作用下高路垫黄土边坡细观力学研究[J]，地震工程学报，2021，43(01)：187-194。
[7]	邵帅，邵生俊，李宁等，地震作用下黄土边坡震陷破坏的动力离心模型试验研究[J]，岩土工程学报，2021，43(02)：245-252。
[8]	张泽林，吴树仁，王涛等，地震作用下黄土-泥岩边坡动力响应及破坏特征离心机振动台试验研究[J]，岩土力学与工程学报，2016，35(09)：1844-1853。
[9]	宋丹青，黄进，刘晓丽，地震作用下层状岩质边坡动力响应[J]，湖南大学学报（自然科学版），2021，48(05)：113-120。
[10]	杨果林，申权，杨啸等，基覆边坡支挡结构的加速度放大系数数值与试验研究．岩石力学与工程学报，2015，34(02)，374-381。
[11]	陈行，陈文宇，宋兴海等，地震作用下弧形抗滑桩加固边坡的动力响应及稳定性分析[J].安全与环境工程，2020，27(04)：79-86+101。
[12]	冯君，周德培，江南等，顺层岩质边坡顺层滑动岩体范围分析［Ｊ］．山地学报，2007，25(3)，376-380。
[13]	王建．地震作用下路基工程破坏机理及抗震技术研究［Ｄ］.成都：西南交通大学，2010.
[14]	叶帅华，时轶磊，龚晓南等，框架预应力锚杆加固多级高边坡地震响应数值分析[J]．岩土工程学报，2018，40（S1)：153-158。

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APA Style

Wang Xiaolin, Xue Ying. (2021). Study on Dynamic Characteristics of Loess Slope Reinforced by Prestressed Anchor Cables Under Earthquake. Science Discovery, 9(6), 348-353. https://doi.org/10.11648/j.sd.20210906.22

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ACS Style

Wang Xiaolin; Xue Ying. Study on Dynamic Characteristics of Loess Slope Reinforced by Prestressed Anchor Cables Under Earthquake. Sci. Discov. 2021, 9(6), 348-353. doi: 10.11648/j.sd.20210906.22

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AMA Style

Wang Xiaolin, Xue Ying. Study on Dynamic Characteristics of Loess Slope Reinforced by Prestressed Anchor Cables Under Earthquake. Sci Discov. 2021;9(6):348-353. doi: 10.11648/j.sd.20210906.22

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@article{10.11648/j.sd.20210906.22,
  author = {Wang Xiaolin and Xue Ying},
  title = {Study on Dynamic Characteristics of Loess Slope Reinforced by Prestressed Anchor Cables Under Earthquake},
  journal = {Science Discovery},
  volume = {9},
  number = {6},
  pages = {348-353},
  doi = {10.11648/j.sd.20210906.22},
  url = {https://doi.org/10.11648/j.sd.20210906.22},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.sd.20210906.22},
  abstract = {As a commonly used method to reinforce slopes, prestressed anchor cables can effectively prevent slope instability. To study the dynamic response characteristics of loess slopes reinforced with prestressed anchor cables under earthquake action. Taking a slope in Yan'an as an example, using MIDAS/GTS numerical simulation, a model of loess slope reinforced by prestressed anchor cables under earthquake action is established, and the dynamics are analyzed in terms of slope displacement, horizontal and vertical velocity, maximum principal stress, and anchor cable axial force. Based on the response characteristics, the influence of peak seismic acceleration and ground motion duration on the stability of loess slopes is analyzed. The results show that under the action of an earthquake, the range of displacement and velocity of the slope surface is larger than that of the inside of the slope, and the slope surface is more prone to instability. The seismic wave has little effect on the axial force of the anchor cable at the same elevation. The displacement of the slope increases with the increase of the seismic peak acceleration, and the input peak acceleration is every time With an increase of 0.1g, the deformation at the slope surface S5 increases by 0.014m, and the slope displacement changes significantly with the change of the duration of the ground motion, increasing continuously.},
 year = {2021}
}

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TY  - JOUR
T1  - Study on Dynamic Characteristics of Loess Slope Reinforced by Prestressed Anchor Cables Under Earthquake
AU  - Wang Xiaolin
AU  - Xue Ying
Y1  - 2021/11/17
PY  - 2021
N1  - https://doi.org/10.11648/j.sd.20210906.22
DO  - 10.11648/j.sd.20210906.22
T2  - Science Discovery
JF  - Science Discovery
JO  - Science Discovery
SP  - 348
EP  - 353
PB  - Science Publishing Group
SN  - 2331-0650
UR  - https://doi.org/10.11648/j.sd.20210906.22
AB  - As a commonly used method to reinforce slopes, prestressed anchor cables can effectively prevent slope instability. To study the dynamic response characteristics of loess slopes reinforced with prestressed anchor cables under earthquake action. Taking a slope in Yan'an as an example, using MIDAS/GTS numerical simulation, a model of loess slope reinforced by prestressed anchor cables under earthquake action is established, and the dynamics are analyzed in terms of slope displacement, horizontal and vertical velocity, maximum principal stress, and anchor cable axial force. Based on the response characteristics, the influence of peak seismic acceleration and ground motion duration on the stability of loess slopes is analyzed. The results show that under the action of an earthquake, the range of displacement and velocity of the slope surface is larger than that of the inside of the slope, and the slope surface is more prone to instability. The seismic wave has little effect on the axial force of the anchor cable at the same elevation. The displacement of the slope increases with the increase of the seismic peak acceleration, and the input peak acceleration is every time With an increase of 0.1g, the deformation at the slope surface S5 increases by 0.014m, and the slope displacement changes significantly with the change of the duration of the ground motion, increasing continuously.
VL  - 9
IS  - 6
ER  -

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Author Information

Wang Xiaolin

School of Architecture and Civil Engineering, Xi'an University of Science and Technology, Xi'an, China
Xue Ying

School of Architecture and Civil Engineering, Xi'an University of Science and Technology, Xi'an, China

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Plain Text BibTeX RIS

APA Style

Wang Xiaolin, Xue Ying. (2021). Study on Dynamic Characteristics of Loess Slope Reinforced by Prestressed Anchor Cables Under Earthquake. Science Discovery, 9(6), 348-353. https://doi.org/10.11648/j.sd.20210906.22

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ACS Style

Wang Xiaolin; Xue Ying. Study on Dynamic Characteristics of Loess Slope Reinforced by Prestressed Anchor Cables Under Earthquake. Sci. Discov. 2021, 9(6), 348-353. doi: 10.11648/j.sd.20210906.22

Copy | Download

AMA Style

Wang Xiaolin, Xue Ying. Study on Dynamic Characteristics of Loess Slope Reinforced by Prestressed Anchor Cables Under Earthquake. Sci Discov. 2021;9(6):348-353. doi: 10.11648/j.sd.20210906.22

Copy | Download

@article{10.11648/j.sd.20210906.22,
  author = {Wang Xiaolin and Xue Ying},
  title = {Study on Dynamic Characteristics of Loess Slope Reinforced by Prestressed Anchor Cables Under Earthquake},
  journal = {Science Discovery},
  volume = {9},
  number = {6},
  pages = {348-353},
  doi = {10.11648/j.sd.20210906.22},
  url = {https://doi.org/10.11648/j.sd.20210906.22},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.sd.20210906.22},
  abstract = {As a commonly used method to reinforce slopes, prestressed anchor cables can effectively prevent slope instability. To study the dynamic response characteristics of loess slopes reinforced with prestressed anchor cables under earthquake action. Taking a slope in Yan'an as an example, using MIDAS/GTS numerical simulation, a model of loess slope reinforced by prestressed anchor cables under earthquake action is established, and the dynamics are analyzed in terms of slope displacement, horizontal and vertical velocity, maximum principal stress, and anchor cable axial force. Based on the response characteristics, the influence of peak seismic acceleration and ground motion duration on the stability of loess slopes is analyzed. The results show that under the action of an earthquake, the range of displacement and velocity of the slope surface is larger than that of the inside of the slope, and the slope surface is more prone to instability. The seismic wave has little effect on the axial force of the anchor cable at the same elevation. The displacement of the slope increases with the increase of the seismic peak acceleration, and the input peak acceleration is every time With an increase of 0.1g, the deformation at the slope surface S5 increases by 0.014m, and the slope displacement changes significantly with the change of the duration of the ground motion, increasing continuously.},
 year = {2021}
}

Copy | Download

TY  - JOUR
T1  - Study on Dynamic Characteristics of Loess Slope Reinforced by Prestressed Anchor Cables Under Earthquake
AU  - Wang Xiaolin
AU  - Xue Ying
Y1  - 2021/11/17
PY  - 2021
N1  - https://doi.org/10.11648/j.sd.20210906.22
DO  - 10.11648/j.sd.20210906.22
T2  - Science Discovery
JF  - Science Discovery
JO  - Science Discovery
SP  - 348
EP  - 353
PB  - Science Publishing Group
SN  - 2331-0650
UR  - https://doi.org/10.11648/j.sd.20210906.22
AB  - As a commonly used method to reinforce slopes, prestressed anchor cables can effectively prevent slope instability. To study the dynamic response characteristics of loess slopes reinforced with prestressed anchor cables under earthquake action. Taking a slope in Yan'an as an example, using MIDAS/GTS numerical simulation, a model of loess slope reinforced by prestressed anchor cables under earthquake action is established, and the dynamics are analyzed in terms of slope displacement, horizontal and vertical velocity, maximum principal stress, and anchor cable axial force. Based on the response characteristics, the influence of peak seismic acceleration and ground motion duration on the stability of loess slopes is analyzed. The results show that under the action of an earthquake, the range of displacement and velocity of the slope surface is larger than that of the inside of the slope, and the slope surface is more prone to instability. The seismic wave has little effect on the axial force of the anchor cable at the same elevation. The displacement of the slope increases with the increase of the seismic peak acceleration, and the input peak acceleration is every time With an increase of 0.1g, the deformation at the slope surface S5 increases by 0.014m, and the slope displacement changes significantly with the change of the duration of the ground motion, increasing continuously.
VL  - 9
IS  - 6
ER  -

Copy | Download