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Effect of strata restraint on seismic performance of prefabricated sidewall joints in fabricated subway

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 5,   Pages 763-779 doi: 10.1007/s11709-023-0917-6

Abstract: A disadvantage of the conventional quasi-static test method is that it does not consider the soil restraintA new method to test the seismic performance of prefabricated specimens for underground assembled structuresIndices related to the seismic performance and damage modes are analyzed comprehensively to reveal theTest results show that the strata restraint effect effectively improves the energy dissipation capacityassembled structures is proposed, and its feasibility is verified via comparison with test data.

Keywords： underground structures     precast sidewall specimen     seismic test method     bearing capacity     energy dissipation    

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Variability of waste copper slag concrete and its effect on the seismic safety of reinforced concrete

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 1,   Pages 117-130 doi: 10.1007/s11709-021-0788-7

Abstract: In addition, the paper presents a reliability-based seismic risk assessment of a typical waste copperThe results show that waste copper slag can be safely used for seismic resistant structures as it results

Keywords： waste copper slag     quantification of variability     goodness-of-fit test     seismic risk assessment     PSDM    

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Investigation of the seismic behavior of grouted sandy gravel foundations using shaking table tests

Tiancheng WANG; Yu LIANG; Xiaoyong ZHANG; Zhihuan RUAN; Guoxiong MEI

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 9,   Pages 1196-1211 doi: 10.1007/s11709-022-0865-6

Abstract: Grouting methods can be used to improve the seismic performance of natural sandy gravel foundations.Few studies have investigated the seismic behavior of sandy gravel foundations before and after groutingthe dynamic stress-strain relationships of the two foundations were obtained by a linear inversion methodto evaluate the seismic energy dissipation.The test results indicated that the acceleration amplification, lateral displacement amplitude, and vertical

Keywords： sandy gravel foundation     grouting-treated reinforcement     shaking table test     seismic behavior    

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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 approachThe seismic responses of the arch bridge exposed to strong earthquakes in two and three directions wereearthquake motion in the lateral direction on the elasto-plastic earthquake response was discussed, and the seismicThe results show that steel arch bridges have preferable seismic resistance under strong earthquake conditionsIt is feasible to examine the seismic performance of the arch bridge by ascertaining the out-of-plane

Keywords： seismic performance     earthquake damage     steel deck arch bridge    

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Application of an efficient stochastic calculation method on the seismic analysis of an isolated structure

Wei GUO, Zhiwu YU

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 4,   Pages 379-384 doi: 10.1007/s11709-012-0180-8

Abstract: However, traditional seismic calculation theory and methods are derived based on the assumption thatmethod, is introduced.This method is then applied to the seismic analysis of an isolated structure.Moreover, the calculation process of the seismic response of an isolated structure is convergent.Based on the results of the example presented in this paper, the given method is applicable to the seismic

Keywords： isolated structure     stochastic response     non-proportional damping     efficient     accurate     pseudo-excitation method    

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Seismic behavior of cantilever wall embedded in dry and saturated sand

Sanku KONAI, Aniruddha SENGUPTA, Kousik DEB

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 3,   Pages 690-705 doi: 10.1007/s11709-020-0615-6

Abstract: However, very limited studies have been conducted on the behavior of embedded retaining walls under seismicbehavior of a small scale model embedded cantilever retaining wall in dry and saturated sand under seismicThe maximum lateral displacement of a cantilever wall due to seismic loading is below 1% of the total

Keywords： embedded cantilever wall     shake table test     FLAC2D     seismic loading     saturated and dry sand    

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Application of machine learning algorithms for the evaluation of seismic soil liquefaction potential

Mahmood AHMAD, Xiao-Wei TANG, Jiang-Nan QIU, Feezan AHMAD, Wen-Jing GU

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 2,   Pages 490-505 doi: 10.1007/s11709-020-0669-5

Abstract: algorithms to evaluate the earthquake-induced liquefaction potential of soil based on the cone penetration testmost sensitive factors, whereas the mean grain size is the least sensitive factor in the prediction of seismicfor researchers in selecting appropriate ML algorithms and improving the predictive performance of seismic

Keywords： seismic soil liquefaction     Bayesian belief network     cone penetration test     parameter learning     structural    

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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: This paper provides insight into the seismic behavior of a full-scale precast reinforced concrete wallThe wall performed satisfactorily by exhibiting competent seismic parameters and deformation characteristicsgoverned by its ductile response in the nonlinear phase during the test with smaller residual drift.was used to conduct parametric studies to study the effect of backfill density and aspect ratio on seismic

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

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Model test and discrete element method simulation of shield tunneling face stability in transparent clay

Huayang LEI, Yajie ZHANG, Yao HU, Yingnan LIU

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 1,   Pages 147-166 doi: 10.1007/s11709-020-0704-6

Abstract: clay with properties similar to those of Tianjin clay is prepared and a new transparent clay model testapparatus is developed to overcome the “black box” problem in the traditional model test.

Keywords： shield tunneling face     stability     transparent clay     model test     numerical simulation    

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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: The method is verified by cyclic tests of a full-scale, two-bay by one-story PT frame.

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

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Seismic experimental study on a concrete pylon from a typical medium span cable-stayed bridge

Yan XU, Shijie ZENG, Xinzhi DUAN, Dongbing JI

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 3,   Pages 401-411 doi: 10.1007/s11709-018-0464-8

Abstract:

According to the current seismic design codes of bridges in China, cable-stayed bridges have beenabout the seismic performance of such widely built though less strong earthquake experienced structuresThe dynamic response and seismic behavior of the pylon were measured, evaluated and compared to revealits vulnerable parts and nonlinear seismic performance.at the pylon bottom region, cracks opening and closing at the pylon bottom were observed during the test

Keywords： cable-stayed bridge     pylon     shaking table test     seismic behavior    

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A multi-objective design method for seismic retrofitting of existing reinforced concrete frames using

Yue CHEN; Rong XU; Hao WU; Tao SHENG

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 9,   Pages 1089-1103 doi: 10.1007/s11709-022-0851-z

Abstract: Over the past several decades, a variety of technical ways have been developed in seismic retrofittingIn this paper, a design method has been exploited for seismic retrofitting of existing RFs using PWsThen, the method has been investigated and verified through a practical project.analysis was executed to exhibit the strengths and working mechanism of the multi-objective design methodTo sum up, the findings of this investigation show that the method furnished in this paper is feasible

Keywords： pin-supported rocking wall     reinforced concrete frame     seismic retrofit     stiffness demand     drift concentration    

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Development of a seismic design method based on response spectra for building structures

ZHOU Xiyuan, YU Ruifang

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 2,   Pages 129-141 doi: 10.1007/s11709-007-0014-2

Abstract: The assumption and problem of the mode-superposition response spectrum method in seismic design codeis discussed based on a brief review of the development of the seismic design method for building structureswhich is popularly used in seismic design codes of many countries; 3) the complex complete quadraticcase of multi-components and multiple-support seismic excitations and deducing corresponding method;damping and the calculation method of seismic response for the linear system with multiple eigenvalues

Keywords： generalization     classical damping     mode-superposition response     calculation formula     damping theory    

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Model test of stone columns as liquefaction countermeasure in sandy soils

Mengfei QU,Qiang XIE,Xinwen CAO,Wen ZHAO,Jianjun HE,Jiang JIN

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 4,   Pages 481-487 doi: 10.1007/s11709-016-0355-9

Abstract: The shaking table model test was conducted to investigate earthquake resistant behavior of stone columnsThe test results show that when acceleration is less than 0.20 g, composite foundation is not liquefiedThe designed stone column composite foundation meets the requirements for seismic resistance.

Keywords： stone column composite foundation     seismic liquefaction     shaking table test    

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A new method of studying collapsibility of loess

Yuanqing ZHU , Zhenghan CHEN ,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 3,   Pages 305-311 doi: 10.1007/s11709-009-0040-3

Abstract: A new triaxial testing system that could control suction in wetting-induced collapsible tests was successfully developed to study the suction effects on wetting-induced collapsible deformation. The pedestal of the triaxial cell was made up of two parts, and the equipment not only could control suction but also could make water accessible to soil. A pressure/volume-controlled equipment was combined with the triaxial system to measure the water volume absorbed by samples accurately and to add pressure on water to filtrate into the sample. The apparatus could measure volume change precisely and keep the deviator stress unvaried, as well as measure the volume of water filtrating into the samples exactly. A triaxial collapsible testing procedure was described using the new apparatus for undisturbed collapsible loess with controlled suction. Furthermore, a series of double triaxial collapsible tests were conducted under different suctions and the same net cell pressure, and tests under different net cell pressures and the same suction were also done. It was indicated that the collapsible deformation increased with the increasing suction, and the effect of the net cell pressure on collapsible deformation was remarkable. The new triaxial apparatus was a useful facility to study the collapsible behavior of loess.

Keywords： collapsible soils     controlled suction     pressure/volume controlled equipment     double triaxial collapsible test     single triaxial collapsible test    

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Title Author Date Type Operation

Effect of strata restraint on seismic performance of prefabricated sidewall joints in fabricated subway

Journal Article

Variability of waste copper slag concrete and its effect on the seismic safety of reinforced concrete

Journal Article

Investigation of the seismic behavior of grouted sandy gravel foundations using shaking table tests

Tiancheng WANG; Yu LIANG; Xiaoyong ZHANG; Zhihuan RUAN; Guoxiong MEI

Journal Article

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

Cheng-Yu LIANG, Airong CHEN,

Journal Article

Application of an efficient stochastic calculation method on the seismic analysis of an isolated structure

Wei GUO, Zhiwu YU

Journal Article

Seismic behavior of cantilever wall embedded in dry and saturated sand

Sanku KONAI, Aniruddha SENGUPTA, Kousik DEB

Journal Article

Application of machine learning algorithms for the evaluation of seismic soil liquefaction potential

Mahmood AHMAD, Xiao-Wei TANG, Jiang-Nan QIU, Feezan AHMAD, Wen-Jing GU

Journal Article

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

Journal Article

Model test and discrete element method simulation of shield tunneling face stability in transparent clay

Huayang LEI, Yajie ZHANG, Yao HU, Yingnan LIU

Journal Article

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

Chung-Che CHOU, Jun-Hen CHEN

Journal Article

Seismic experimental study on a concrete pylon from a typical medium span cable-stayed bridge

Yan XU, Shijie ZENG, Xinzhi DUAN, Dongbing JI

Journal Article

A multi-objective design method for seismic retrofitting of existing reinforced concrete frames using

Yue CHEN; Rong XU; Hao WU; Tao SHENG

Journal Article

Development of a seismic design method based on response spectra for building structures

ZHOU Xiyuan, YU Ruifang

Journal Article

Model test of stone columns as liquefaction countermeasure in sandy soils

Mengfei QU,Qiang XIE,Xinwen CAO,Wen ZHAO,Jianjun HE,Jiang JIN

Journal Article

A new method of studying collapsibility of loess

Yuanqing ZHU , Zhenghan CHEN ,

Journal Article