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Research on construction optimization of asymmetric double arch section in Jiaozhou Bay Subsea Tunnel

Wang Kai,Zhang Chengping,Wang Mengshu

Strategic Study of CAE 2012, Volume 14, Issue 1,   Pages 90-97

Abstract:

Aiming at the asymmetric double-arch tunnel engineering that lies atJiaozhou Bay in Qingdao, the section located in the intersection between main tunnel and ramb tunnelcontrolled by using of the construction sequence that first middle drift and then right hole of ramb tunnel

Keywords： subsea tunnel     asymmetric double arch tunnel     construction scheme optimization     construction sequence    

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Stability analysis and optimization of excavation method of double-arch tunnel with an extra-large span

Yiguo XUE, Huimin GONG, Fanmeng KONG, Weimin YANG, Daohong QIU, Binghua ZHOU

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 1,   Pages 136-146 doi: 10.1007/s11709-020-0710-8

Abstract: The Xiamen Haicang double-arch tunnel has a maximum span of 45.73 m and a minimum burial depth of 5.8A larger deformation or collapse of the tunnel is readily encountered during tunnel excavation.It is therefore necessary to select a construction approach that is suitable for double-arch tunnel projectsIn this study, three construction methods for double-arch tunnels with extra-large spans were numericallypresent findings can serve as the initial guidelines for the construction of ultra-shallowly buried double-arch

Keywords： double-arch tunnel     triple-layer composite liner system     numerical modeling     stress analysis     settlement    

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Asymmetric deformation mechanism in deep soft rock tunnel and controlling countermeasures in Datun Mine

Fu Qingguo and Zou Chaoyang

Strategic Study of CAE 2011, Volume 13, Issue 11,   Pages 102-106

Abstract: study the distribution of ground displacement field in surrounding rocks when the roadway shows the asymmetricThe results of theoretical study show that the asymmetric deformation is controlled by centralized stressThis research provides a preliminary theoretical basis for the controlling countermeasures of asymmetric

Keywords： deep     soft rock tunnel     asymmetric deformation     controlling countermeasures    

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Investigation of mechanical performance of prestressed steel arch in tunnel

Yaqiong WANG, Yunxiao XIN, Yongli XIE, Jie LI, Zhifeng WANG

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 3,   Pages 360-367 doi: 10.1007/s11709-017-0429-3

Abstract: In the traditional tunneling method, the steel arch are often adopted to support surrounding rock toIf the steel arch is prestressed in time, tunnel support can effectively prevent the development of rockcrack, thereby increasing the overall strength of tunnel support and suppress the deformation of theThrough a field test, the rules of the arch strain distribution are observed and discussed.gradually decreases from stress point to another arch springing.

Keywords： tunnel support     prestressing force     steel arch     numerical analysis    

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Numerical simulation and stability analysis of surrounding rock of large-span multi-arch tunnel

Ren Shaoqiang

Strategic Study of CAE 2009, Volume 11, Issue 8,   Pages 58-63

Abstract:

Highway multi-arch tunnel as a new structure form has been developedin resent decades with the rapid development of high level road, and this tunnel structure form has theHowever, compared with individual tunnel and conjoined tunnel,multi-arch tunnel has the question of motherThis paper, taking the Baiguoba Tunnel, Enshi to Lichuan section, Hurongxi express way, as the backgroundand combining field engineering construction, analyzed the Baiguoba Tunnel with MIDAS-GTS, laid the

Keywords： multi-arch tunnel     numerical simulation     surrounding rock     stress    

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Field measurement and analysis of asymmetric shallow buried twin tunnels with ultra small spacing

Wang Yunlong,Tan Zhongsheng,Chen Ying

Strategic Study of CAE 2012, Volume 14, Issue 11,   Pages 24-28

Abstract:

The ultra-small spacing tunnel of Jiaozhou Bay seabed tunnel in QingdaoResults show that the surrounding rock pressure and support force of the after-excavation tunnel arelarger than others of the tunnel.different from the theoretical predictions and experimental results of most of the small spacing symmetry tunnelThe monitoring results show that the stability of the after-construction tunnel has been effectively

Keywords： tunnel     ultra-small spacing     asymmetric     shallow-buried     field measurement    

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RBF-ANN-Based forecast method of transmutation of wall rock on multi-arch tunne

Xiao Zhiwang,Zhong Denghua

Strategic Study of CAE 2008, Volume 10, Issue 7,   Pages 77-81

Abstract: network of radial basis function to construct the forecast model of deformation of wall rock in multi-archtunnel and cllso uses Matlab tool to solve the optimal problem.

Keywords： multi-arch tunnel     deformation of wall rock     deformation forecast     radial basis function (RBF)     artificial    

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A wind tunnel study on control methods for cable dry-galloping

Hung D. VO,Hiroshi KATSUCHI,Hitoshi YAMADA,Mayuko NISHIO

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 1,   Pages 72-80 doi: 10.1007/s11709-015-0309-7

Abstract: To clarify the characteristics of this galloping, wind tunnel test of a cable model with various kindsFurthermore, single spiral wire, double spiral wire and circular ring were found to have high effectiveness

Keywords： dry-galloping     wind-relative angle     single spiral wire     double spiral wire     circular rings    

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Numerical simulation and experimental research on heat transfer and flow resistance characteristics of asymmetric

Shaozhi ZHANG, Xiao NIU, Yang LI, Guangming CHEN, Xiangguo XU

Frontiers in Energy 2020, Volume 14, Issue 2,   Pages 267-282 doi: 10.1007/s11708-020-0662-7

Abstract: The asymmetric plate heat exchanger (APHE) has the possibility of achieving balanced pressure drops onSimulations are conducted to study the effects of , an asymmetric index proposed to describe the geometry

Keywords： plate heat exchanger     asymmetric     simulation     correlation     heat transfer enhancement    

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A pseudocapacitive molecule-induced strategy to construct flexible high-performance asymmetric supercapacitors

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 9,   Pages 1208-1220 doi: 10.1007/s11705-023-2304-1

Abstract: Due to the resulting rational interfacial structure and stable ion-electron transport, the asymmetricThese properties are superior to other reported cases of asymmetric energy enrichment.

Keywords： molecular synergy     pseudocapacitive lignosulfonate     flexible electronic devices     asymmetric supercapacitor    

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Modelling autogenous expansion for magnesia concrete in arch dams

JIN Feng, LUO Xiaoqing, ZHANG Chuhan, ZHANG Guoxin

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 3,   Pages 211-218 doi: 10.1007/s11709-008-0025-7

Abstract: To evaluate the effects of autogenous expansion on the stresses of arch dams, a simple model of autogenousby some experimental data of autogenous expansion of Magnesia Concrete and field-measured data of an archEmbedded into finite element arch dam simulation software, this model is employed to simulate the effects

Keywords： field-measured     irreversibility     temperature     irreversible     element arch    

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Analysis of arch dam deformations

Franz PERNER, Pius OBERNHUBER,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 1,   Pages 102-108 doi: 10.1007/s11709-010-0012-7

Abstract: an alarm is triggered in the case of larger deviations.The main contributors to the deformations of archloading and the portion caused by temperature variation.The present article deals with the analysis of archproposed procedure is employed for the analysis of the deformations of the 186 m high Zillergruendl arch

Keywords： arch dam     analysis     Zillergruendl     concrete temperature     hybrid model    

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Double-layer Support Technology of Large-section Loess TunnelBy Benching Method

Li Guoliang,Song Ye,Li Lei,Wang Xindong,Li Bo

Strategic Study of CAE 2014, Volume 16, Issue 8,   Pages 54-63

Abstract: construction under crossing the existed south Tongpu Railway with a small included angle at Gaoqiao tunnelcarrying out the test and study, the mechanical characteristics and key construction techniques of the double-layerIt successfully resolved the construction difficulties of super-large-section tunnel (171m2

Keywords： large-section loess tunnel     benching method     double-layer support     under crossing    

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Synthesis of iron(II) complexes with asymmetric N

Wolfgang Bauer, Tanja Ossiander, Birgit Weber

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 3,   Pages 400-408 doi: 10.1007/s11705-018-1753-4

Abstract:

The synthesis of new Schiff base-like ligands with asymmetric substituents pattern and their iron

Keywords： iron     Schiff base-like ligands     magnetism     spin crossover     X-ray structures    

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Shape design of arch dams under load uncertainties with robust optimization

Fengjie TAN, Tom LAHMER

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 4,   Pages 852-862 doi: 10.1007/s11709-019-0522-x

Abstract: The focus of this paper is on the non-probabilistic-based design of new arch-type dams by applying meansThe optimization of an arch-type dam is realized here by a robust optimization method under load uncertaintyBy this means, the robust design can generate an improved arch dam structure that ensures both safety

Keywords： arch dam     shape optimization     robust optimization     load uncertainty     approximation model    

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Title Author Date Type Operation

Research on construction optimization of asymmetric double arch section in Jiaozhou Bay Subsea Tunnel

Wang Kai,Zhang Chengping,Wang Mengshu

Journal Article

Stability analysis and optimization of excavation method of double-arch tunnel with an extra-large span

Yiguo XUE, Huimin GONG, Fanmeng KONG, Weimin YANG, Daohong QIU, Binghua ZHOU

Journal Article

Asymmetric deformation mechanism in deep soft rock tunnel and controlling countermeasures in Datun Mine

Fu Qingguo and Zou Chaoyang

Journal Article

Investigation of mechanical performance of prestressed steel arch in tunnel

Yaqiong WANG, Yunxiao XIN, Yongli XIE, Jie LI, Zhifeng WANG

Journal Article

Numerical simulation and stability analysis of surrounding rock of large-span multi-arch tunnel

Ren Shaoqiang

Journal Article

Field measurement and analysis of asymmetric shallow buried twin tunnels with ultra small spacing

Wang Yunlong,Tan Zhongsheng,Chen Ying

Journal Article

RBF-ANN-Based forecast method of transmutation of wall rock on multi-arch tunne

Xiao Zhiwang,Zhong Denghua

Journal Article

A wind tunnel study on control methods for cable dry-galloping

Hung D. VO,Hiroshi KATSUCHI,Hitoshi YAMADA,Mayuko NISHIO

Journal Article

Numerical simulation and experimental research on heat transfer and flow resistance characteristics of asymmetric

Shaozhi ZHANG, Xiao NIU, Yang LI, Guangming CHEN, Xiangguo XU

Journal Article

A pseudocapacitive molecule-induced strategy to construct flexible high-performance asymmetric supercapacitors

Journal Article

Modelling autogenous expansion for magnesia concrete in arch dams

JIN Feng, LUO Xiaoqing, ZHANG Chuhan, ZHANG Guoxin

Journal Article

Analysis of arch dam deformations

Franz PERNER, Pius OBERNHUBER,

Journal Article

Double-layer Support Technology of Large-section Loess TunnelBy Benching Method

Li Guoliang,Song Ye,Li Lei,Wang Xindong,Li Bo

Journal Article

Synthesis of iron(II) complexes with asymmetric N

Wolfgang Bauer, Tanja Ossiander, Birgit Weber

Journal Article

Shape design of arch dams under load uncertainties with robust optimization

Fengjie TAN, Tom LAHMER

Journal Article