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Features of seismic hazard in large dam projects and strong motion monitoring of large dams

Martin WIELAND,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 1,   Pages 56-64 doi: 10.1007/s11709-010-0005-6

Abstract: Earthquakes can affect large dam projects in many different ways. Usually, design engineers are focussing on ground shaking and neglect the other aspects. The May 12, 2008 Wenchuan earthquake has damaged 1803 dams and reservoirs, and 403 hydropower plants with an installed capacity of 3.3GW. Among these dams were the 132-m-high Shapai RCC arch dam and the 156-m-high Zipingpu concrete face rockfill dam. These recently completed dams are dam types which, up to now, have not experienced strong ground shaking. The widespread mass movements have caused substantial damage to dams and surface powerhouses in Sichuan. The different features of earthquake hazard are presented, i.e., ground shaking, faulting and mass movements. It is proposed to prepare project-specific safety plans for all dams, which consist of a matrix where the possible hazards and the corresponding countermeasures are listed. The earthquake behaviors of the Sefid Rud, Zipingpu and Shapai dams, which, in the past, have experienced strong ground shaking from nearby earthquakes, are discussed. Finally, the need for strong motion instrumentation of large dams is discussed. It is proposed that major dams with large damage potential, dams located in areas of high seismicity, and dams showing signs of abnormal behavior be equipped with strong motion instruments.

Keywords: seismic hazard     arch dam     concrete face rockfill dam     strong motion instrumentation     reservoir-triggered    

Microseismic monitoring technology development direction and application

Liu Jianzhong,Tang Chunhua,Zuo Jianjun

Strategic Study of CAE 2013, Volume 15, Issue 10,   Pages 54-58

Abstract:

This paper discussed the development direction of microseismic monitoringThe introduction of conventional seismic exploration theory can also increase the level of microseismicmonitoring, and form complete theory of microseismic.Above are important directions of microseismic monitoring technology development.With the development of technology, microseismic monitoring technology can also be used in seismic exploration

Keywords: microseismic monitoring     seismic prospecting     fracturing monitoring     water monitoring    

Research of seismic events waveform in deep copper mine

Yang Zhiguo,Yu Runcang,Guo Ran

Strategic Study of CAE 2008, Volume 10, Issue 8,   Pages 69-72

Abstract: better understand the regularities of rockburst occurrence,Dongguashan Copper Mine has installed an ISSI seismicmonitoring system, which can make a real-time monitoring of rock mass respond to mining.This paper briefly described the layout of the monitoring system in Dongguashan Copper Mine,then analyzedlocation has been improved greatly by the artificial processing, which will make the calculation of seismicAccording to the analysis results of a detecting blast and an identified seismic event,the waveform analysis

Keywords: deep mining     rockburst     seismic monitoring     waveform analysis    

Research and Implementations of Structural Monitoring for Bridges and Buildings in Japan—A Review Review

Yozo Fujino, Dionysius M. Siringoringo, Yoshiki Ikeda, Tomonori Nagayama, Tsukasa Mizutani

Engineering 2019, Volume 5, Issue 6,   Pages 1093-1119 doi: 10.1016/j.eng.2019.09.006

Abstract:

This paper provides a review on the development of structural monitoring in Japan, with an emphasison the type, strategy, and utilization of monitoring systems.Structural monitoring systems in Japan historically started with the objective of evaluating structuralIn the development of structural monitoring, monitoring systems and collected data were used to verify, the performance of seismic isolation systems in building and bridges, the verification of structural

Keywords: Structural monitoring     Long-span bridge     High-rise building     Seismic monitoring     Wind-induced responses     Pavement and slab monitoring     Structural control monitoring     Structural assessment    

Application of Underground Fracture Connection Monitoring in Anpeng Alkali Mine

Qi Tiexin,Liu Jianzhong,Qi Guilin,Dong Feng

Strategic Study of CAE 2006, Volume 8, Issue 7,   Pages 63-67

Abstract:

In this paper, the theories, techniques, methodologies, and results of monitoring primary fracturesconnecting to the injection well in Anpeng Alkali Mine are presented, which combines micro-seismic monitoring

Keywords: Alkali Mine     wet process for alkali extraction     underground fracture connection     leveling survey     micro-seismicmonitoring    

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 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 theAdditionally, the strata restraint effect significantly affects the seismic performance and damage modeAn FE model that can be used to conduct a seismic performance study of prefabricated specimens for underground

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

Effects of green roof damping and configuration on structural seismic response

Frontiers of Structural and Civil Engineering   Pages 1133-1144 doi: 10.1007/s11709-023-0959-9

Abstract: To expand their usage, their inherent damping and layout sensitivity to seismic performance are investigated

Keywords: green infrastructure     green roof     structural resilience     seismic design    

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: Seismic analysis of historical masonry bridges is important for authorities in all countries hostingFifteen seismic records were considered and categorized as far-field, pulse-like near-field, and non-pulse-like

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

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    

Efficiency of scalar and vector intensity measures for seismic slope displacements

Gang WANG

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 1,   Pages 44-52 doi: 10.1007/s11709-012-0138-x

Abstract: empirical prediction models as well as the ground motion selection criteria for time domain analysis of seismic

Keywords: seismic slope displacements     intensity measures     empirical prediction    

Experiment and calculation on seismic behavior of RC composite core walls with concealed steel truss

Wanlin CAO , Weihua CHANG , Changjun ZHAO , Jianwei ZHANG ,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 3,   Pages 255-261 doi: 10.1007/s11709-009-0043-0

Abstract: To improve the seismic performance of reinforced concrete core walls, reinforced concrete composite coreThe experimental study on seismic performance under cyclic loading was carried out.The test results showed that the seismic performance of core walls is improved greatly by the concealed

Keywords: reinforced concrete     steel truss     core walls     seismic performance    

Non-invasive continuous blood pressure monitoring: a review of current applications

Elena Chung, Guo Chen, Brenton Alexander, Maxime Cannesson

Frontiers of Medicine 2013, Volume 7, Issue 1,   Pages 91-101 doi: 10.1007/s11684-013-0239-5

Abstract:

Blood pressure monitoring has come a long way from the initial observations made by Reverend HalesThere are none that deny the importance of monitoring perioperative blood pressure; however, the limitedability of the current prevalent technology (oscillometric blood pressure monitoring) to offer continuousInvasive monitoring is able to detect beat-to-beat blood pressure measurement, but the risks inherent, and especially the creation of those offering non-invasive but continuous blood pressure monitoring

Keywords: non-invasive blood pressure monitoring     continuous blood pressure monitoring     invasive blood pressure monitoring    

Finite element analysis on the seismic behavior of side joint of Prefabricated Cage System in prefabricated

Yunlin LIU, Shitao ZHU

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 5,   Pages 1095-1104 doi: 10.1007/s11709-019-0538-2

Abstract: Side joint is the weak region of PCS concrete frame and has great influence on seismic behavior of theThus systematically study on the seismic behavior of PCS concrete side joint is necessary.This paper presents a finite element study on behavior of the side joint under seismic loading.In addition, the overall seismic behavior of the side joints in PCS concrete is better than that of the

Keywords: PCS concrete side joint     numerical simulation     fiber-beam element joint model     solid element joint model     seismic    

Influence of site conditions on seismic design parameters for foundations as determined via nonlinear

Muhammad Tariq A. CHAUDHARY

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 1,   Pages 275-303 doi: 10.1007/s11709-021-0685-0

Abstract: geotechnical properties and the geological setting, influence the near-surface response of strata subjected to seismicthe last three parameters are sensitive to the level of nonlinear strain induced in the strata due to seismicIt was also found that variations in soil properties influenced seismic design parameters in soil typePredictive relationships for , , and were derived based on the 1D seismic site response analysisThe need to incorporate and in the metrics for determining , , and for the seismic design of

Keywords: site effects     1D seismic site response analysis     sensitivity analysis     foundations     shear wave velocity     soil    

A hybrid LQR-PID control design for seismic control of buildings equipped with ATMD

Amir Hossein HEIDARI, Sadegh ETEDALI, Mohamad Reza JAVAHERI-TAFTI

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 1,   Pages 44-57 doi: 10.1007/s11709-016-0382-6

Abstract: LQR-PID controller, while having the advantage of the classical PID controller, is easy to implement in seismic-excitedoptimization procedure based on a cuckoo search (CS) algorithm, the LQR-PID controller is designed for a seismicsimulation results indicate that the LQR-PID performs better than the LQR controller in reduction of seismic

Keywords: seismic control     tuned mass dampers     cuckoo search     PID controller     LQR controller    

Title Author Date Type Operation

Features of seismic hazard in large dam projects and strong motion monitoring of large dams

Martin WIELAND,

Journal Article

Microseismic monitoring technology development direction and application

Liu Jianzhong,Tang Chunhua,Zuo Jianjun

Journal Article

Research of seismic events waveform in deep copper mine

Yang Zhiguo,Yu Runcang,Guo Ran

Journal Article

Research and Implementations of Structural Monitoring for Bridges and Buildings in Japan—A Review

Yozo Fujino, Dionysius M. Siringoringo, Yoshiki Ikeda, Tomonori Nagayama, Tsukasa Mizutani

Journal Article

Application of Underground Fracture Connection Monitoring in Anpeng Alkali Mine

Qi Tiexin,Liu Jianzhong,Qi Guilin,Dong Feng

Journal Article

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

Journal Article

Effects of green roof damping and configuration on structural seismic response

Journal Article

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

Journal Article

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

Journal Article

Efficiency of scalar and vector intensity measures for seismic slope displacements

Gang WANG

Journal Article

Experiment and calculation on seismic behavior of RC composite core walls with concealed steel truss

Wanlin CAO , Weihua CHANG , Changjun ZHAO , Jianwei ZHANG ,

Journal Article

Non-invasive continuous blood pressure monitoring: a review of current applications

Elena Chung, Guo Chen, Brenton Alexander, Maxime Cannesson

Journal Article

Finite element analysis on the seismic behavior of side joint of Prefabricated Cage System in prefabricated

Yunlin LIU, Shitao ZHU

Journal Article

Influence of site conditions on seismic design parameters for foundations as determined via nonlinear

Muhammad Tariq A. CHAUDHARY

Journal Article

A hybrid LQR-PID control design for seismic control of buildings equipped with ATMD

Amir Hossein HEIDARI, Sadegh ETEDALI, Mohamad Reza JAVAHERI-TAFTI

Journal Article