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Trial design of arch bridge of composite box section with steel web-concrete flange

Jiangang WEI, Qingwei HUANG, Baochun CHEN,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 3, Pages 370-375 doi: 10.1007/s11709-010-0073-7

Abstract: The concrete arch bridge is a natural and appropriate structural solution, aesthetically pleasing andA potential solution is to use a composite box arch ring with steel web-concrete flange.Taking Wanzhou Yangtze River Bridge (the longest concrete arch bridge in the world with a main span of420 m) as a prototype, trial designs of a composite box arch with steel webs (including corrugatedcomposite arch was presented.

Keywords： steel webs concrete box arch trial design structural behaviors finite element method

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Experimental study on concrete box culverts in trenches

Baoguo CHEN, Junjie ZHENG, Jie HAN

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 1, Pages 73-80 doi: 10.1007/s11709-009-0008-3

Abstract: Concrete box culverts are widely used in expressways in mountain areas.The result revealed that the soil arch forms when the backfill on the culvert reaches a certain height

Keywords： culvert vertical earth pressure soil arch full-scale experiment numerical simulation

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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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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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Numerical simulation of damage in high arch dam due to earthquake

Hong ZHONG , Gao LIN , Hongjun LI

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 3, Pages 316-322 doi: 10.1007/s11709-009-0039-9

Abstract: assumption that concrete is macroscopic homogeneous, the cracking evolution process and damage mode of high archcombine with the Mohr-Coulomb criterion to investigate the crack development and fracture mode of high archThe analysis result of a high arch dam in China under design shows that cracks that take place in concrete

Keywords： mesoscopic heterogeneity damage simulation in earthquakes arch dam

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Key problems and solutions in arch dam heightening

Zuoguang FU, Yunlong HE, Sheng SU

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 1, Pages 98-104 doi: 10.1007/s11709-010-0004-7

Abstract: Three problems should be dealt with when an arch dam needs to be heightened: stress state getting worseTaking Geba arch dam as an example, these problems are examined in details through simulation analysis

Keywords： arch dam heighten tensile stress finite element method

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Control mode selection for modal control of long-span arch bridge

Zhengying LI, Zhengliang LI,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 4, Pages 401-406 doi: 10.1007/s11709-009-0052-z

Abstract: For seismic control of arch bridge, a model reduction of long-span arch bridge was implemented basedtime domain and frequency domain analysis method were used to verify the simplified model of the Nimu archThe numerical results show that the method of maximal modal displacement better analyze long-span arch

Keywords： selection reduced-order excitation long-span simplified

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Performance-based seismic assessment of a historical masonry arch bridge: Effect of pulse-like excitations

Frontiers of Structural and Civil Engineering Pages 855-869 doi: 10.1007/s11709-023-0972-z

Abstract: The masonry arch bridge investigated in this study was built during the Roman period and is on the island

Keywords： masonry arch bridges seismic behavior modal properties pulse-like records nonlinear time history

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Effect of inlet box on performance of axial flow fans

LI Jingyin, TIAN Hua, YUAN Xiaofang

Frontiers in Energy 2008, Volume 2, Issue 4, Pages 390-394 doi: 10.1007/s11708-008-0087-1

Abstract: Numerical investigations on 3D flow fields in an axial flow fan with and without an inlet box have beenfan performance caused by the internal flow fields and the velocity evenness at the exit of the inlet boxIt is interesting to find that although the inlet box is well designed in accordance with basic designThis research shows that the inlet box needs further improvement and such a check on the flow fields

Keywords： box velocity distribution accordance Numerical variation

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Risk-based probabilistic thermal-stress analysis of concrete arch dams

Narjes SOLTANI, Mohammad ALEMBAGHERI, Mohammad Houshmand KHANEGHAHI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 5, Pages 1007-1019 doi: 10.1007/s11709-019-0521-y

Abstract: The probabilistic risk of arch dam failure under thermal loading is studied.Karaj arch dam is selected as case study.

Keywords： arch dams probabilistic analysis thermal stress sensitivity reliability

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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 5.8It 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 numericallyfindings 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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On subsurface box-shaped lined tunnel under incident SH-wave propagation

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4, Pages 948-960 doi: 10.1007/s11709-021-0740-x

Abstract: time-domain boundary element method is applied to obtain the seismic ground response, including a subsurface box-shapedThe present approach can be proposed to civil engineers for preparing simple underground box-shaped models

Keywords： box-lined tunnel half-plane BEM surface response SH-wave time-domain

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Reliability and variance-based sensitivity analysis of arch dams during construction and reservoir impoundment

M. Houshmand KHANEGHAHI, M. ALEMBAGHERI, N. SOLTANI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 3, Pages 526-541 doi: 10.1007/s11709-018-0495-1

Abstract: The static performance of arch dams during construction and reservoir impoundment is assessed takingDez arch dam is chosen as the case study; it is modeled along with its rock foundation using the finiteSince previous studies concentrated on simplified models and approaches, comprehensive study of the arch

Keywords： concrete arch dams reliability randomness improved Latin hypercube sampling variance-based sensitivity

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A method for examining the seismic performance of steel arch deck bridges

Cheng-Yu LIANG, Airong CHEN,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 3, Pages 311-320 doi: 10.1007/s11709-010-0080-8

Abstract: To examine the seismic resistance performance of a steel arch bridge during a strong earthquake, an approachis proposed in this paper to determine the ultimate strain of an arch rib using the static elasto-plasticA steel fixed-end deck arch bridge with a span length of 200 m was used as an example in this studyThe ultimate strain of the arch rib was calculated using the elasto-plastic finite element model.on the displacement, axial force, and bending moment responses of the arch rib.

Keywords： seismic performance earthquake damage steel deck arch bridge