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Progress in terahertz nondestructive testing: A review

Shuncong ZHONG

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 3,   Pages 273-281 doi: 10.1007/s11465-018-0495-9

Abstract: Recently, THz nondestructive testing (NDT) technology has become an interesting topic.

Keywords： terahertz pulsed imaging (TPI)     nondestructive testing (NDT)     composite material     thermal barrier coating    

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A review of nondestructive examination technology for polyethylene pipe in nuclear power plant

Jinyang ZHENG, Yue ZHANG, Dongsheng HOU, Yinkang QIN, Weican GUO, Chuck ZHANG, Jianfeng SHI

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 4,   Pages 535-545 doi: 10.1007/s11465-018-0515-9

Abstract: Though ASME Code Case N755, which is the first code case related to NPP HDPE pipe, requires a thorough nondestructivepattern recognition, and a safety assessment principle is summa-rized from the database of destructive testing

Keywords： polyethylene pipe     nuclear power plant     ultrasonic inspection     nondestructive testing     safety assessment    

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Nondestructive Testing Method to Assess and Detect Road Performance

Guo Chengchao,Xu Pengfei and Zhong Yanhui

Strategic Study of CAE 2017, Volume 19, Issue 6,   Pages 72-79 doi: 10.15302/J-SSCAE-2017.06.011

Abstract: In this paper, five nondestructive road testing methods and their associated testing equipment are introducedaccording to the American Society for Testing and Materials.The operating principles and applications of each testing method are elaborated to guide relevant personnelThe application of these testing methods will accelerate the assessment of projects without traffic closures

Keywords： road detection     road defects     nondestructive testing    

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Failure Analysis, Safety Assessment, and Nondestructive Testing for Mechanical and Electrical Equipment

Zhong Qunpeng,Wu Huaisheng,Zhang Zheng,Tian Yongjiang

Strategic Study of CAE 1999, Volume 1, Issue 1,   Pages 43-48

Abstract: techniques, methodology, and future trends of failure analysis and prevention and the relationship between nondestructivetesting and failure analysis and prevention.

Keywords： mechanical and electrical equipment     failure analysis     safety assessment     nondestructive testing    

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Study on Defect Detection Technology for Bridge Deck Pavements

Guo Chengchao,Xu Pengfei and Cui Can

Strategic Study of CAE 2017, Volume 19, Issue 6,   Pages 38-43 doi: 10.15302/J-SSCAE-2017.06.006

Abstract: This article describes the mechanism, application methods, and testing equipment of four mainstream nondestructivetesting technologies used worldwide: ground penetrating radar, half-cell potential, impact echo, andmore of these methods can accurately assess the deterioration of the bridge deck and make a rapid, nondestructive

Keywords： bridge deck pavement     defect     nondestructive testing    

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Application of metal magnetic memory test in failure analysis and safety evaluation of vessels

Yiliang ZHANG, Song YANG, Xuedong XU

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 1,   Pages 40-48 doi: 10.1007/s11465-009-0003-3

Abstract: Metal magnetic memory test (MMMT), which is a new subject in the field of nondestructive examination,can determine regions of stress concentration by testing the distribution of the magnetic field of metal

Keywords： Metal magnetic memory test (MMMT)     nondestructive testing (NDT)     residual stress     propylene purifier     ammonia    

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Sonic General Non-destructive Testing Technique

Chen Jimao

Strategic Study of CAE 2000, Volume 2, Issue 4,   Pages 64-69

Abstract:

This paper describes new general multi-mode non-destructive testing (NDT) of composite materials andThis technique which is based on sonic and ultrasonic testing performs five different modes of testing

Keywords： sonic general testing     general non-destructive testing (NDT)     non-destructive testing of composite materials     mechanical impedance analysis (MIA)     vibration analysis (VA)     resonance testing    

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Novel sensing techniques for full-scale testing of civil structures

Kaoshan DAI, Zhenhua HUANG

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 3,   Pages 240-256 doi: 10.1007/s11709-012-0172-8

Abstract: Performing full-scale structural testing is an important methodology for researchers and engineers inFull scale testing helps the researchers understand civil infrastructures’ loading scenarios, behaviorsTo conduct a full-scale structural testing, sensors are used for data acquisitions.effective sensors, this study reviewed and categorized new sensing techniques for full-scale structural testingThe researchers of this study categorized sensors used for civil-infrastructure testing into traditional

Keywords： sensing technique     full-scale testing     wireless sensor     remote sensing     LiDAR     laser vibrometer    

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Permeability testing of drilling core sample from pavement

WANG Suda, TANG Zhengguang, NING Xiaojun, WU Peiguan, XING Pingyi

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 4,   Pages 391-394 doi: 10.1007/s11709-008-0045-3

Abstract: equipment is used to measure the permeability coefficient of the pavement drilling core sample and relevant testingTesting drilling core samples from a certain highway of Yunnan province has been proven to be feasible

Keywords： province     material     feasible     permeability coefficient     equipment    

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Shaking table testing of hard layered soil-pile-structure interaction system

LI Peizhen, REN Hongmei, LU Xilin, SONG Heping, CHEN Yueqing

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 3,   Pages 346-352 doi: 10.1007/s11709-007-0046-7

Abstract: Shaking table tests on a dynamic interaction system of hard layered soil, pile foundation and frame structure were carried out. The earthquake damage of the superstructure and foundation was reproduced. Based on these tests, several key issues about the seismic response of the dynamic soil-structure interaction (SSI) system were studied. The natural frequency of the system was less than that of the structure on rigid foundation if the SSI is not taken into account, while its damping ratio was larger than that of the structure. The mode shape of the system was different from that of the structure on the fixed base in that there were rocking and swinging at the foundation. Magnification or reduction of vibration transferred by soil was related to soil characteristic, excitation magnitude, and so on. Generally, sand magnifies vibration, while viscous powder soil dampens vibration. The components of the acceleration response at the top of the superstructure were based on the relative magnitude of the rocking stiffness, the swing stiffness of the foundation and the stiffness of the super-structure. The multi-direction excitations have little effect on the key issues of the horizontal SSI.

Keywords： super-structure     Generally     Magnification     frequency     different    

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Experimental monitoring of the strengthening construction of a segmental box girder bridge and field testing

Ali Fadhil NASER, Zonglin WANG

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 3,   Pages 308-320 doi: 10.1007/s11709-012-0140-3

Abstract: Prestressed concrete segmental box girder bridges are composed of short concrete segments that are either precast or cast in situ and then joined together by longitudinally post-tensioning internal, external, or mixed tendons. The objectives of this study are to monitor the construction process of the external prestressing tendons to strengthen the bridge structure and perform a field load test to measure the strain and the deflection of the anchorage devices of the external prestressing tendons to determine the state of these devices after tension forces are applied. The monitoring process of the external prestressing tendons construction includes inspecting the cracks in the diaphragm anchorage and the deviation block devices before the tension forces are applied to the external tendons; measuring the deformation of the steel deviation cross beam during the tension process; measuring the deformation of the box girder after different levels of tension forces are applied; measuring the elongation of the external tendons in each level of the tension; and measuring the natural frequency of the external tendons after the tension process is complete. The results of the monitoring process show that the measured values of the deformation, the elongation, and the natural frequency meet the requirements. Therefore, there is no damage during the construction and the tensioning of the external prestressing tendons. A field load test is performed to the anchorage beam, the steel deviation block devices, and the steel deviation cross beam. The field load test results of the anchorage devices show that the values of the strains, the stresses, and the deflection are less than the respective allowable limit values in the requirements. Therefore, the anchorage devices have sufficient strength, and the working state is good after the tension forces are applied to the external prestressing tendons.

Keywords： prestressed concrete     box girder     monitoring     external tendons     strain     deflection    

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Sulfidation/regeneration multicycle testing of nickel-modified ZnFe

Wei LI, Jinju GUO, Jiejie HUANG, Jiaotao ZHAO

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4,   Pages 435-440 doi: 10.1007/s11705-010-0506-9

Abstract: indicate that the nickel-modified ZnFe O keeps high reactivity and structural stability in the multicycle testing

Keywords： hot gas desulphurization     nickel-modified ZnFe2O4     sulfidation/regeneration    

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Steam turbine governor modeling and parameters testing for power system simulation

Ying LI, Chufeng PENG, Zenghui YANG

Frontiers in Energy 2009, Volume 3, Issue 2,   Pages 198-203 doi: 10.1007/s11708-009-0004-2

Abstract: The theoretical modeling, parameters test and model correction for a steam turbine (ST) governor are discussed. A set of ST Governor system model for power system simulation is created based on this research. A power system simulation for an actual power grid accident is conducted using this new model and the comparison between the simulation and actual data show that the results are satisfactory.

Keywords： power system simulation     ST governor system     modeling     parameters testing    

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Vibration testing of a steel girder bridge using cabled and wireless sensors

Dapeng ZHU, Yang WANG, James BROWNJOHN

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 3,   Pages 249-258 doi: 10.1007/s11709-011-0113-y

Abstract: In the next series of testing, 16 wireless accelerometers are installed under the deck of another bridge

Keywords： wireless sensing     structural health monitoring (SHM)     signal conditioning     operating deflection analysis     ambient vibration    

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Title Author Date Type Operation

Progress in terahertz nondestructive testing: A review

Shuncong ZHONG

Journal Article

A review of nondestructive examination technology for polyethylene pipe in nuclear power plant

Jinyang ZHENG, Yue ZHANG, Dongsheng HOU, Yinkang QIN, Weican GUO, Chuck ZHANG, Jianfeng SHI

Journal Article

Nondestructive Testing Method to Assess and Detect Road Performance

Guo Chengchao,Xu Pengfei and Zhong Yanhui

Journal Article

Failure Analysis, Safety Assessment, and Nondestructive Testing for Mechanical and Electrical Equipment

Zhong Qunpeng,Wu Huaisheng,Zhang Zheng,Tian Yongjiang

Journal Article

Study on Defect Detection Technology for Bridge Deck Pavements

Guo Chengchao,Xu Pengfei and Cui Can

Journal Article

Application of metal magnetic memory test in failure analysis and safety evaluation of vessels

Yiliang ZHANG, Song YANG, Xuedong XU

Journal Article

Sonic General Non-destructive Testing Technique

Chen Jimao

Journal Article

Novel sensing techniques for full-scale testing of civil structures

Kaoshan DAI, Zhenhua HUANG

Journal Article

Permeability testing of drilling core sample from pavement

WANG Suda, TANG Zhengguang, NING Xiaojun, WU Peiguan, XING Pingyi

Journal Article

Liu Yande: Status and Future of Nondestructive Testing Technology and Equipment for Agricultural Products

刘燕德(高级职称)

20 Jan 2021

Conference Videos

Shaking table testing of hard layered soil-pile-structure interaction system

LI Peizhen, REN Hongmei, LU Xilin, SONG Heping, CHEN Yueqing

Journal Article

Experimental monitoring of the strengthening construction of a segmental box girder bridge and field testing

Ali Fadhil NASER, Zonglin WANG

Journal Article

Sulfidation/regeneration multicycle testing of nickel-modified ZnFe

Wei LI, Jinju GUO, Jiejie HUANG, Jiaotao ZHAO

Journal Article

Steam turbine governor modeling and parameters testing for power system simulation

Ying LI, Chufeng PENG, Zenghui YANG

Journal Article

Vibration testing of a steel girder bridge using cabled and wireless sensors

Dapeng ZHU, Yang WANG, James BROWNJOHN

Journal Article