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Seismic response of precast reinforced concrete wall subjected to cyclic in-plane and constant out-of-plane

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 5,   Pages 1128-1143 doi: 10.1007/s11709-021-0753-5

Abstract: paper provides insight into the seismic behavior of a full-scale precast reinforced concrete wall under in-planeThe in-plane capacity of walls reduced, while deformation characteristics were unaffected by the increaseAn increase in aspect ratio leads to a reduction in in-plane capacity and an increase in drift.Curves between the ratio of in-plane yield capacity and design shear load of walls are proposed for thebackfill density, which may be adopted to determine the in-plane yield capacity of the basement walls

Keywords： precast wall     basement wall     out-of-plane response     quasi-static test     sand backfill     seismic parameters    

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Dynamic in-plane transversal normal stresses in the concrete face of CFRD

Neftalí SARMIENTO-SOLANO, Miguel P. ROMO

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 1,   Pages 135-148 doi: 10.1007/s11709-018-0481-7

Abstract: Face Rockfill Dams (CFRDs) such as concrete cracking and joint's water stops distressing where high in-planeThe procedure is the dynamic complement of a method recently developed to evaluate in-plane transversalUsing these two procedures in a sequential manner, it is possible to define the concrete slab in-planeIn the above reference, the method to evaluate the concrete face in-plane transversal normal stresses

Keywords： CFR dams     dynamic analysis     in-plane normal stresses     concrete face    

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In-plane transversal normal stresses in the concrete face of CFRD induced by the first-dam reservoir

Neftalí SARMIENTO-SOLANO, Miguel P. ROMO

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 1,   Pages 81-91 doi: 10.1007/s11709-016-0378-2

Abstract: effects of dam height, valley narrowness and width of concrete slabs on the first-dam reservoir filling in-planeThe 3D analyses results show that high in-plane transversal compressive stresses develop within the concreteLikewise, in-plane induced tensile transversal stresses in the zones near the abutments increase theFrom the results of the 3D finite difference analyses, a simple method to estimate in-plane normal stresses

Keywords： concrete face     CFR dams     reservoir filling     slab in-plane stresses    

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Seismic safety evaluation methodology for masonry building and retrofitting using splint and bandage technique with wire mesh

Pravin Kumar Venkat Rao PADALU; Yogendra SINGH

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 4,   Pages 478-505 doi: 10.1007/s11709-022-0817-1

Abstract: approach uses the ‘Pier Analysis’ method, based on the concept of equivalent lateral stiffness, where in-planeand out-of-plane actions are considered independently.The analysis results showed that few wall elements are unsafe in in-plane and out-of-plane tension.

Keywords： unreinforced masonry     seismic in-plane and out-of-plane forces     pier analysis     finite element modelling    

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Tunable In-Plane Anisotropy in Amorphous Sm–Co Films Grown on (011)- Oriented Single-Crystal Substrates Article

Wenhui Liang, Houbo Zhou, Jiefu Xiong, Fengxia Hu, Jia Li, Jian Zhang, Jing Wang, Jirong Sun, Baogen Shen

Engineering 2020, Volume 6, Issue 2,   Pages 158-163 doi: 10.1016/j.eng.2019.11.010

Abstract:

Amorphous Sm–Co films with uniaxial in-plane anisotropy have great potential for applicationThe most effective method to produce uniaxial in-plane anisotropy is to apply an in-plane magnetic fieldHere, we report a new way to produce uniaxial in-plane anisotropy by growing amorphous Sm–Co filmsThis work provides a new way to obtain in-plane anisotropy in amorphous Sm–Co films.

Keywords： Amorphous Sm–Co films     In-plane uniaxial anisotropy     Sputtering    

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Testing of a full-scale composite floor plate Article

Dennis Lam, Xianghe Dai, Therese Sheehan

Engineering 2019, Volume 5, Issue 2,   Pages 223-233 doi: 10.1016/j.eng.2018.11.021

Abstract:

A full-scale composite floor plate was tested to investigate the flexural behavior and in-plane effectsThe mechanism under study involved in-plane compression forces being developed in the slab due to the

Keywords： Floor plate test     Composite beams     Edge beams     Eurocode 4     In-plane effect     Column removal     Robustness    

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Single-chip 3D electric field microsensor

Biyun LING, Yu WANG, Chunrong PENG, Bing LI, Zhaozhi CHU, Bin LI, Shanhong XIA

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 4,   Pages 581-590 doi: 10.1007/s11465-017-0454-x

Abstract: An in-plane rotary mechanism is used in the microsensor to detect the X-, Y-,

Keywords： electric field microsensor     three-dimensional     single-chip     in-plane rotation    

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Finite element analysis of creep for plane steel frames in fire

Hui ZHU, Yuching WU

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 3,   Pages 297-307 doi: 10.1007/s11709-012-0162-x

Abstract: formulation is derived, and the corresponding numerical model is developed to study the creep behavior of planeNext, the numerical model is used to analyze the creep behavior of the plane steel frames under decreasing

Keywords： creep     plane steel frame     fire     finite element method     geometric nonlinearity    

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Out-of-plane elastic buckling load and strength design of space truss arch with a rectangular section

Senping WANG; Xiaolong LIU; Bo YUAN; Minjie SHI; Yanhui WEI

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 9,   Pages 1141-1152 doi: 10.1007/s11709-022-0866-5

Abstract: The out-of-plane stability of the two-hinged space truss circular arch with a rectangular section isThe calculation formula of out-of-plane elastic buckling loads of the space truss arch is derived basedon the classical solution of out-of-plane flexural-torsional buckling loads of the solid web arch.cannot be used for the calculation of the arch with a small rise-span ratio, the formula for out-of-planeNumerical research of the out-of-plane stability of space truss arches under different load cases shows

Keywords： torsional stiffness     strength design     elastic buckling     space truss arches     out-of-plane    

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Implementation of total Lagrangian formulation for the elasto-plastic analysis of plane steel frames

Bing XIA, Yuching WU, Zhanfei HUANG

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 3,   Pages 257-266 doi: 10.1007/s11709-012-0163-9

Abstract: Lagrangian forms of finite element formulations are derived to perform elasto-plastic analysis for planethe influence of geometric nonlinearities on the incremental steps of the finite element analysis for plane

Keywords： co-rotational     total Lagrangian     geometrical nonlinearity     fire     elasto-plastic    

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Mechatronic design of a novel linear compliant positioning stage with large travel range and high out-of-plane

Hua LIU, Xin XIE, Ruoyu TAN, Lianchao ZHANG, Dapeng FAN

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 2,   Pages 265-278 doi: 10.1007/s11465-017-0453-y

Abstract: These parallelograms are serially connected for a large travel range and a high out-of-plane payloadThe results of payload tests indicate that the stage has at least 20 kg out-of-plane payload capacity

Keywords： mechatronic design     linear compliant positioning stage     large travel range     high out-of-plane payload capacity    

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Largely reduced cross-plane thermal conductivity of nanoporous In

Dongchao XU, Quan WANG, Xuewang WU, Jie ZHU, Hongbo ZHAO, Bo XIAO, Xiaojia WANG, Xiaoliang WANG, Qing HAO

Frontiers in Energy 2018, Volume 12, Issue 1,   Pages 127-136 doi: 10.1007/s11708-018-0519-5

Abstract: In this work, the cross-plane thermal conductivities of nanoporous In Ga N thin films with varied porous

Keywords： nanoporous film     thermoelectrics     phonon     mean free path     diffusive scattering    

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Numerical investigation of the effectiveness of effusion cooling for plane multi-layer systems with different

Dieter BOHN, Robert KREWINKEL

Frontiers in Energy 2009, Volume 3, Issue 4,   Pages 406-413 doi: 10.1007/s11708-009-0041-x

Abstract: Within Collaborative Research Center (SFB) 561 “Thermally Highly Loaded, Porous and Cooled Multi-Layer Systems for Combined Cycle Power Plants” at RWTH Aachen University, an effusion-cooled multi-layer plate configuration is investigated numerically by the application of a three-dimensional in-house fluid flow and heat transfer solver, CHTflow. CHTflow is a conjugate code, which yields information on the temperature distribution in the solid body. This enables a detailed discussion of the effects of a change in materials. The geometrical set-up and the fluid flow conditions derive from modern gas turbine combustion chambers and bladings. Within the SFB, two different multi-layer systems, one consisting of substrate made of CMSX-4 (a single-crystal super-alloy), an MCrAlY-bondoat and a ZrO thermal barrier coating (TBC), and the other consisting of a NiAl-alloy and a graded bondcoat/TBC, have been investigated. The grading will increase the life-span of the TBC as it can better compensate the different thermal expansion coefficients of different materials. The main focus in this study is on the different substrate materials, because the thermal conductivity of the NiAl is considerably higher than that of CMSX-4, which leads to different temperature profiles in the components. The numerical grid for the simulations contains the coolant supply (plenum), the solid body for the conjugate calculations, and the main flow area on the plate. The effusion-cooling is realized by finest drilled shaped holes with a diameter of 0.2mm. The investigation is concentrated on a cooling hole geometry with a laterally widened fan-shaped outlet, contoured throughout, and one without lateral widening that is only shaped in the TBC-region of the system. Two blowing ratios, =0.28 and =0.48, are investigated, both for a hot gas Mach number of 0.25. The results for the lower blowing ratio and the fully contoured hole are discussed as well as those of the higher blowing ratio and the non-laterally widened hole. These represent two characteristic cases.

Keywords： conjugate calculation     effectiveness of effusion cooling     multi-layer systems     CMSX-4     NiAl-FG75    

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Adaptive selective ES-FEM limit analysis of cracked plane-strain structures

H. NGUYEN-XUAN,T. RABCZUK

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 4,   Pages 478-490 doi: 10.1007/s11709-015-0317-7

Abstract: This paper presents a simple and efficient approach for predicting the plastic limit loads in cracked plane-strain

Keywords： cracked structure     limit analysis     von Mises criterion     edge-based strain smoothing     second-order cone programming     adaptive    

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Elasto-plastic fatigue crack growth analysis of plane problems in the presence of flaws using XFEM

Sachin KUMAR,A. S. SHEDBALE,I. V. SINGH,B. K. MISHRA

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 4,   Pages 420-440 doi: 10.1007/s11709-015-0305-y

Abstract: In this paper, elasto-plastic XFEM simulations have been performed to evaluate the fatigue life of plane

Keywords： XFEM     von-Mises yield criterion     isotropic hardening     fatigue crack growth     J-integral    

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Title Author Date Type Operation

Seismic response of precast reinforced concrete wall subjected to cyclic in-plane and constant out-of-plane

Journal Article

Dynamic in-plane transversal normal stresses in the concrete face of CFRD

Neftalí SARMIENTO-SOLANO, Miguel P. ROMO

Journal Article

In-plane transversal normal stresses in the concrete face of CFRD induced by the first-dam reservoir

Neftalí SARMIENTO-SOLANO, Miguel P. ROMO

Journal Article

Seismic safety evaluation methodology for masonry building and retrofitting using splint and bandage technique with wire mesh

Pravin Kumar Venkat Rao PADALU; Yogendra SINGH

Journal Article

Tunable In-Plane Anisotropy in Amorphous Sm–Co Films Grown on (011)- Oriented Single-Crystal Substrates

Wenhui Liang, Houbo Zhou, Jiefu Xiong, Fengxia Hu, Jia Li, Jian Zhang, Jing Wang, Jirong Sun, Baogen Shen

Journal Article

Testing of a full-scale composite floor plate

Dennis Lam, Xianghe Dai, Therese Sheehan

Journal Article

Single-chip 3D electric field microsensor

Biyun LING, Yu WANG, Chunrong PENG, Bing LI, Zhaozhi CHU, Bin LI, Shanhong XIA

Journal Article

Finite element analysis of creep for plane steel frames in fire

Hui ZHU, Yuching WU

Journal Article

Out-of-plane elastic buckling load and strength design of space truss arch with a rectangular section

Senping WANG; Xiaolong LIU; Bo YUAN; Minjie SHI; Yanhui WEI

Journal Article

Implementation of total Lagrangian formulation for the elasto-plastic analysis of plane steel frames

Bing XIA, Yuching WU, Zhanfei HUANG

Journal Article

Mechatronic design of a novel linear compliant positioning stage with large travel range and high out-of-plane

Hua LIU, Xin XIE, Ruoyu TAN, Lianchao ZHANG, Dapeng FAN

Journal Article

Largely reduced cross-plane thermal conductivity of nanoporous In

Dongchao XU, Quan WANG, Xuewang WU, Jie ZHU, Hongbo ZHAO, Bo XIAO, Xiaojia WANG, Xiaoliang WANG, Qing HAO

Journal Article

Numerical investigation of the effectiveness of effusion cooling for plane multi-layer systems with different

Dieter BOHN, Robert KREWINKEL

Journal Article

Adaptive selective ES-FEM limit analysis of cracked plane-strain structures

H. NGUYEN-XUAN,T. RABCZUK

Journal Article

Elasto-plastic fatigue crack growth analysis of plane problems in the presence of flaws using XFEM

Sachin KUMAR,A. S. SHEDBALE,I. V. SINGH,B. K. MISHRA

Journal Article