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Seismic tests of post-tensioned self-centering building frames with column and slab restraints

Chung-Che CHOU, Jun-Hen CHEN

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 3,   Pages 323-334 doi: 10.1007/s11709-011-0119-5

Abstract: When a PT frame deforms laterally, gaps between the beams and columns open.However, the gaps are constrained by the columns and the slab in a real PT self-centering building frameThe method is verified by cyclic tests of a full-scale, two-bay by one-story PT frame.Moreover, a sliding slab is proposed to minimize restraints on the expansion of the PT frame.only minor differences in peak drifts caused by expansion of the PT frame.

Keywords： post-tensioned frame     frame expansion     column restraint     sliding slab     frame test     shake table test    

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Development of rocking constraint device with vertical damping capacity for three-dimensional base-isolated frame

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 3,   Pages 350-367 doi: 10.1007/s11709-022-0923-0

Abstract: A new rocking constraint device (RCD) is developed for three-dimensional (3D) base-isolated frame structuresThe test results show that the cylinder without orifices on its piston can provide the desired dampingComparisons of the test and theoretical results indicate that the errors of the proposed formulas for

Keywords： three-dimensional isolation     rocking behavior     rocking constraint device     replaceable damping component     sinusoidal test    

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Improvement of durability of membrane electrode assembly by frame sealing structure in temperature shock

Frontiers in Energy doi: 10.1007/s11708-024-0955-3

Abstract: The frame of membrane electrode assembly (MEA) influences the durability of proton exchange membraneIn this paper, the thermal shock bench was applied as an accelerated aging test to explore the effectof frame sealing structure on MEA durability at different temperatures.Moreover, it breaks the bonding interface between the frame and the membrane and leads to the debondingA comparison of the single-layer and improved double-layer frame structures reveal that the mechanical

Keywords： frame     fuel cells     membrane electrode assembly (MEA)     membrane     thermal shock    

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Seismic performance of moment resisting steel frame subjected to earthquake excitations

Fadzli M. NAZRI, Pang Yew KEN

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 1,   Pages 19-25 doi: 10.1007/s11709-014-0240-3

Abstract: The IDA results show that the far field ground motions has caused all steel frame design within the research

Keywords： incremental dynamic analysis (IDA)     pushover analysis     performance-based seismic design    

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Deep reinforcement learning-based critical element identification and demolition planning of frame structures

Shaojun ZHU; Makoto OHSAKI; Kazuki HAYASHI; Shaohan ZONG; Xiaonong GUO

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 11,   Pages 1397-1414 doi: 10.1007/s11709-022-0860-y

Abstract: This paper proposes a framework for critical element identification and demolition planning of frame

Keywords： progressive collapse     alternate load path     demolition planning     reinforcement learning     graph embedding    

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Tests on impact effect of partial fracture at steel frame connections

CHEN Yiyi, BIAN Ruoning

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 4,   Pages 295-301 doi: 10.1007/s11709-008-0049-z

Abstract: Impact effect of sudden fracture at steel frame connections under severe earthquake or other extremetests were designed and carried out both on uniaxial steel bar tensioned and moment resistant steel frame

Keywords： structural fracture     natural     fracture     progressive     high-frequency    

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Seismic behavior experimental study of frame joints with special-shaped column and dispersed steel bar

Shuchun LI, Bo DIAO, Youpo SU,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 4,   Pages 378-383 doi: 10.1007/s11709-009-0064-8

Abstract: The results of experimental analysis indicate that the mechanical and seismic behaviors of frame joints

Keywords： beam with dispersed steel bar     flame joints with special-shaped beam and column     seismic behavior     scale of dispersed steel bars    

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Effect of RC wall on the development of plastic rotation in the beams of RC frame structures

Amar KAHIL, Aghiles NEKMOUCHE, Said BOUKAIS, Mohand HAMIZI, Naceur Eddine HANNACHI

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 3,   Pages 318-330 doi: 10.1007/s11709-017-0420-z

Abstract: this study is, to interpret the influence of reinforced concrete walls addition in reinforced concrete frameThen the work has focused on the behavior of a RC frame with 3 levels and three bays to better visualizestrengthening by introduction of reinforced concrete walls (RC/wall) at the ends of the reinforced concrete frame(RC/frame) has been performed.

Keywords： RC/frame     RC/wall     moment curvature     plastic rotation     plastic hinge     pushover analysis     global models    

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Cyclic responses of three 2-story seismic concentrically braced frames

Ching-Yi TSAI, Keh-Chyuan TSAI, Chih-Han LIN, Chih-Yu WEI, Kung-Juin WANG, Yi-Jer YU, An-Chien WU,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 3,   Pages 287-301 doi: 10.1007/s11709-010-0087-1

Abstract: Severe brace local buckling and out-of-plane displacements were observed during each test.obtained from the tests and the FEM analytical results are quite agreeable in various levels of lateral frameFEM analyses also illustrate that the steel moment resisting frame takes about 40% story shear when the

Keywords： concentrically braced frame (CBF)     full-scale test     finite element (FE) analysis     flexural buckling     local    

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Truss-arch model for shear strength of seismic-damaged SRC frame columns strengthened with CFRP sheets

Sheng PENG, Chengxiang XU, Xiaoqiang LIU

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 6,   Pages 1324-1337 doi: 10.1007/s11709-019-0557-z

Abstract: which are widely used in the shear strengthening of seismic-damage steel reinforced concrete (SRC) frameTo investigate the shear strength of SRC frame columns strengthened with CFRP sheets, experimental observationson eight seismic-damaged SRC frame columns strengthened with CFRP sheets were conducted at Yangtze UniversityTo present the expression formula of the shear strength of SRC frame columns strengthened with CFRP sheetsanalysis model can improve the accuracy of shear strength predictions of shear seismic-damaged SRC frame

Keywords： carbon fiber reinforced polymer material     steel reinforced concrete frame column     seismic-damaged     trussed-arch    

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Scheme and Techniques for Hierarchical Oranization of Video

Zhang Yujin,Lu Haibin

Strategic Study of CAE 2000, Volume 2, Issue 3,   Pages 18-22

Abstract: organization scheme, which arranges video into four layers： video program, episode, shot and image frame

Keywords： video     organization     browsing     shot     episode     key frame     representative frame    

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Experimental research on seismic behavior of recycled concrete frame under varying cyclic loading

SUN Yuedong, XIAO Jianzhuang, ZHOU Deyuan

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 4,   Pages 302-308 doi: 10.1007/s11709-008-0050-6

Abstract: A study is conducted on the seismic behavior of one natural concrete frame and two recycled concrete

Keywords： different     aggregate     stiffness     practical application     % recycled    

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Cyclic behavior of prefabricated reinforced concrete frame with infill slit shear walls

Kui XIAO,Qilin ZHANG,Bin JIA

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 1,   Pages 63-71 doi: 10.1007/s11709-015-0294-x

Abstract: A composite structural system consisting of prefabricated reinforced concrete frame with infill slitThe simulated results show a good agreement with the test data, the dynamic behavior of the PRCFW system

Keywords： slit shear wall     constitutive model     cyclic     seismic     damage    

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Displacement-based seismic design of high-strength concrete frame columns

ZHANG Guojun, LIU Jianxin, LU Xilin

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 1,   Pages 93-101 doi: 10.1007/s11709-008-0006-x

Abstract: Based on the testing results of 108 high-strength concrete columns under constant axial loading and horizontal cyclic loading, the relations between the drift ratio at yield, the maximum displacement drift, the limiting displacement drift, the ductility ratio of testing columns and shear span-to-depth ratio, axial compression ratio, confining reinforcement characteristic values, the ratio of cover area to confined core area as well as longitudinal reinforcement ratio are discussed in this paper. Then the relations between limiting displacement drifts and axial compression ratio, confining reinforcement characteristic values and the ratio of cover area to confined core area are analytically regressed. Subsequently the relations between confining reinforcement characteristic values and axial compression ratio, the limiting displacement drift, and the practical formula used to calculate confining reinforcement characteristic values are put forward. In the end the minimum confining reinforcement characteristic values in the dense hoop regions of high-strength concrete columns are presented by comparatively analysis, and compared with ones in the design code (GB 50010-2002, P. R. China).

Keywords： horizontal cyclic     longitudinal reinforcement     design     loading     constant    

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A New Adaptive Frame Rate Upconversion Algorithm for Scan Rate Conversion and Its FPGA Implementation

Wu Yong,Zhang Guanglie,Zheng Nanning,Zhang Xia

Strategic Study of CAE 2001, Volume 3, Issue 4,   Pages 56-62

Abstract:

In this paper, a new adaptive frame rate upconversion algorithm is presented, and its rapid implementation

Keywords： scan format conversion     frame rate up-conversion     block-matching     motion compensation    

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Title Author Date Type Operation

Seismic tests of post-tensioned self-centering building frames with column and slab restraints

Chung-Che CHOU, Jun-Hen CHEN

Journal Article

Development of rocking constraint device with vertical damping capacity for three-dimensional base-isolated frame

Journal Article

Improvement of durability of membrane electrode assembly by frame sealing structure in temperature shock

Journal Article

Seismic performance of moment resisting steel frame subjected to earthquake excitations

Fadzli M. NAZRI, Pang Yew KEN

Journal Article

Deep reinforcement learning-based critical element identification and demolition planning of frame structures

Shaojun ZHU; Makoto OHSAKI; Kazuki HAYASHI; Shaohan ZONG; Xiaonong GUO

Journal Article

Tests on impact effect of partial fracture at steel frame connections

CHEN Yiyi, BIAN Ruoning

Journal Article

Seismic behavior experimental study of frame joints with special-shaped column and dispersed steel bar

Shuchun LI, Bo DIAO, Youpo SU,

Journal Article

Effect of RC wall on the development of plastic rotation in the beams of RC frame structures

Amar KAHIL, Aghiles NEKMOUCHE, Said BOUKAIS, Mohand HAMIZI, Naceur Eddine HANNACHI

Journal Article

Cyclic responses of three 2-story seismic concentrically braced frames

Ching-Yi TSAI, Keh-Chyuan TSAI, Chih-Han LIN, Chih-Yu WEI, Kung-Juin WANG, Yi-Jer YU, An-Chien WU,

Journal Article

Truss-arch model for shear strength of seismic-damaged SRC frame columns strengthened with CFRP sheets

Sheng PENG, Chengxiang XU, Xiaoqiang LIU

Journal Article

Scheme and Techniques for Hierarchical Oranization of Video

Zhang Yujin,Lu Haibin

Journal Article

Experimental research on seismic behavior of recycled concrete frame under varying cyclic loading

SUN Yuedong, XIAO Jianzhuang, ZHOU Deyuan

Journal Article

Cyclic behavior of prefabricated reinforced concrete frame with infill slit shear walls

Kui XIAO,Qilin ZHANG,Bin JIA

Journal Article

Displacement-based seismic design of high-strength concrete frame columns

ZHANG Guojun, LIU Jianxin, LU Xilin

Journal Article

A New Adaptive Frame Rate Upconversion Algorithm for Scan Rate Conversion and Its FPGA Implementation

Wu Yong,Zhang Guanglie,Zheng Nanning,Zhang Xia

Journal Article