China Safety Science Journal ›› 2022, Vol. 32 ›› Issue (8): 84-90.doi: 10.16265/j.cnki.issn1003-3033.2022.08.1638
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AN Yonglin1(), LI Jiahao1, LIU Wenjuan2, ZHOU Jin1, TAN Geyu1
Received:
2022-02-21
Revised:
2022-05-14
Online:
2022-09-05
Published:
2023-02-28
AN Yonglin, LI Jiahao, LIU Wenjuan, ZHOU Jin, TAN Geyu. Unified boundary determination method of pressure arch in tunnels and its spatial evolution characteristics[J]. China Safety Science Journal, 2022, 32(8): 84-90.
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URL: http://www.cssjj.com.cn/EN/10.16265/j.cnki.issn1003-3033.2022.08.1638
Tab.2
Determination method of inner and outer boundary of pressure arch
文献 序号 | 内边界 | 外边界 | ||||
---|---|---|---|---|---|---|
拱顶 | 拱腰 | 拱底 | 拱顶 | 拱腰 | 拱底 | |
[ | 切向应力最大值处 | 最大主压应力最大值处 | 最大主压应力最大值处 | 以最大主压应力减少量确定 | 以最大主压应力减少量确定 | 以最大主压应力减少量确定 |
[ | — | — | — | 切向应力与径向应力交点处 | 切向应力与径向应力交点处 | 切向应力与径向应力交点处 |
[ | — | — | — | 成拱系数(应力差值比)减小至5% | 应力差值比减小到5%处 | 应力差值比减小到5%处 |
[ | 最大主压应力最大值处 | — | — | 切向应力与径向应力交点处 | — | — |
[ | 切向应力为原岩应力处 | 最大主压应力矢量流线延伸 | — | 切向应力与径向应力交点处 | 最大主压应力矢量流线延伸 | 最大主压应力矢量流线延伸 |
[ | 切向应力为原岩应力处 | — | — | 应力差值比曲线的驻点 | — | — |
[ | 未区别压力拱内边界与外边界的概念 | 切向应力与径向应力交点处 | — | — |
Tab.3
Distance between stress arch boundary and tunnel contour after excavation
内外边界距隧 道轮廓距离/m | 拱顶路径 | 拱腰路径 | 拱底路径 | ||||
---|---|---|---|---|---|---|---|
内边界 | 外边界 | 内边界 | 外边界 | 内边界 | 外边界 | ||
全断面法 | 3.6 | 51 | 0 | 24 | 8.2 | 33.2 | |
台阶法 | 上台阶 | 3.2 | 50.5 | 0 | 23 | 8.6 | 32.3 |
下台阶 | 3.5 | 51 | 0 | 23.4 | 5.8 | 33 | |
CD法 | 右上导坑 | 2.1 | 36.8 | 0 | 14.3 | 5 | 21.9 |
右下导坑 | 2.6 | 37.1 | 0 | 15 | 3.1 | 22.7 | |
左上导坑 | 4 | 49 | 0 | 22.9 | 7.4 | 30.9 | |
左下导坑 | 3.4 | 49.5 | 0 | 23.2 | 8.2 | 32.8 |
[1] |
孙闯, 贾宝新, 张涛. 大跨径公路交叉隧道施工安全性研究[J]. 中国安全科学学报, 2015, 25(12):111-115.
|
|
|
[2] |
魏强, 刘加奇, 王景春, 等. 基于理想模糊物元的隧道施工安全韧性评估[J]. 中国安全科学学报, 2021, 31(8): 62-68.
doi: 10.16265/j.cnki.issn1003-3033.2021.08.009 |
doi: 10.16265/j.cnki.issn1003-3033.2021.08.009 |
|
[3] |
戴世伟, 刘鑫鑫, 万飞. 软岩隧道大变形事故致灾因素耦合分析[J]. 中国安全科学学报, 2021, 31(8): 119-124.
doi: 10.16265/j.cnki.issn1003-3033.2021.08.017 |
doi: 10.16265/j.cnki.issn1003-3033.2021.08.017 |
|
[4] |
喻波, 王呼佳. 压力拱理论及隧道埋深划分方法研究[M]. 北京: 中国铁道学出版社, 2008:1-5.
|
[5] |
郑康成, 丁文其, 金威, 等. 特大断面隧道分步施工动态压力拱分析研究[J]. 岩土工程学报, 2015, 37(增1):72-77.
|
|
|
[6] |
梁晓丹, 刘刚, 赵坚. 地下工程压力拱拱体的确定与成拱分析[J]. 河海大学学报:自然科学版, 2005, 33(3):314-317.
|
|
|
[7] |
宋玉香, 张亚辉, 刘勇. 基于压力拱理论的围岩压力计算研究[J]. 防灾减灾学报, 2017, 33(3):21-27.
|
|
|
[8] |
李奎. 水平层状隧道围岩压力拱理论研究[D]. 成都: 西南交通大学, 2010.
|
|
|
[9] |
郑颖人, 王永普. 隧道围岩压力理论进展与破坏机制研究[J]. 隧道建设, 2013, 33(6):423-430.
|
|
|
[10] |
安永林, 李佳豪, 曹前, 等. 上软下硬地层隧道掌子面稳定性及塌方形态[J]. 中国铁道科学, 2019, 40(1):79-87.
|
|
|
[11] |
王文谦. 大跨度隧道围岩压力拱效应研究[D]. 北京: 北京交通大学, 2018.
|
|
|
[12] |
刘星星. 小净距隧道围岩压力拱效应研究[D]. 长沙: 长沙理工大学, 2017.
|
|
|
[13] |
朱正国, 朱永全, 吴广明. 泥石流堆积体隧道工程理论与实践[M]. 北京: 人民交通出版社股份有限公司, 2014:18-30.
|
[14] |
杜晓丽. 采矿岩石压力拱演化规律及其应用的研究[D]. 徐州: 中国矿业大学, 2011.
|
|
|
[15] |
李英杰. 软弱深埋隧道围岩结构特性及支护荷载确定方法研究[D]. 北京: 北京交通大学, 2012.
|
|
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