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Deformation monitoring and assessment technology for substructure of unballasted track on railway passenger

Li Mingling

Strategic Study of CAE 2009, Volume 11, Issue 1,   Pages 48-59

Abstract:

The criterion for residual deformation of Substructure of unballastedrailway passenger dedicated line engineering practice,this paper introuduces the key technologies for the deformationmonitoring, data management and analysis system, the prediction method and assessment criterion are

Keywords： unballasted track     deformation monitoring     analysis and assessment     condiction for unballasted track laying    

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Deformation monitoring on Three Gorges Project ship lift tower during construction period

Qiu Zhangyun,Luo Chen

Strategic Study of CAE 2013, Volume 15, Issue 9,   Pages 102-107

Abstract: According to the accuracy analysis which is done to several typical monitoring methods and the studymonitoring method of Three Gorges Project ship lift tower during construction period, and deformationanalysis is received using the long-term monitoring data obtained by the use of the method.difference, the greater the deformation.It would be small deformation or even no deformation when temperature difference is small or under constant

Keywords： Three Gorges Project ship lift     tower column     deformation monitoring     total station polar coordinate    

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Structural Deformation Monitoring of Flight Vehicles Based on Optical Fiber Sensing Technology: A Review Review

Lianqing Zhu,Guangkai Sun,Weimin Bao,Zheng You,Fanyong Meng,Mingli Dong

Engineering 2022, Volume 16, Issue 9,   Pages 39-55 doi: 10.1016/j.eng.2021.02.022

Abstract:

Structural deformation monitoring of flight vehicles based on optical fiber sensing (OFS) technologyThis paper reviews the history of research on the deformation monitoring of flight vehicles.It examines various aspects of OFS-based deformation monitoring including the main varieties of OFS technology, technical advantages and disadvantages, suitability in aerospace applications, deformation reconstruction

Keywords： Optical fiber sensing technology     Deformation monitoring     Structural health monitoring     Flight vehicle     Aerospace    

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the subway station and the analysis of the test result

Zhang Jiqing,Suo Xiaoming

Strategic Study of CAE 2010, Volume 12, Issue 12,   Pages 18-22

Abstract:

Deformation forecast is proceeded for the structure of Beijing undergroundDeformation prediction results have certain guiding role for engineering construction alike.

Keywords： large diameter shield     subway station     deformation forecast     monitoring     numerical value analysis    

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Resistance of large deformation of the Wushaoling Tunnel F7 soft fault

ZHAO Xufeng, CHEN Haiming, WANG Chunmiao

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 1,   Pages 123-127 doi: 10.1007/s11709-007-0013-3

Abstract: The measurements and techniques are proposed to resist the deformation.

Keywords： F7     deformation     appropriate     construction     mechanical    

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Mobile Support Technology and Its Application Prospects in Urban Underground Engineering

Wang Xiuying,Tan Zhongsheng,Yang Jikai and Zheng Weihan

Strategic Study of CAE 2017, Volume 19, Issue 6,   Pages 124-130 doi: 10.15302/J-SSCAE-2017.06.018

Abstract: mobile support technology suitable for soft soil tunneling is proposed, and its control effect on ground deformationNumerical analysis and field tests show that this technique has a strong ability to control ground deformation

Keywords： mobile support     ground deformation     application prospect     numerical simulation     site monitoring    

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Numerical modeling of nonlinear deformation of polymer composites based on hyperelastic constitutive

Qingsheng YANG, Fang XU

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 3,   Pages 284-288 doi: 10.1007/s11465-009-0067-0

Abstract: reinforced polymer (FRP) composites exhibit nonlinear and hyperelastic characteristics under finite deformationhyperelastic behavior of fiber reinforced polymer composites using a micromechanical model and finite deformationThe local stress and deformation of a representative volume element are calculated by the nonlinear finiteNumerical examples are given to demonstrate hyperelastic behavior and deformation of the composites,

Keywords： composites     hyperelastic     finite deformation     homogenization     micromechanics    

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A continuous/discontinuous deformation analysis (CDDA) method based on deformable blocks for fracture

Yongchang CAI, Hehua ZHU, Xiaoying ZHUANG

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 4,   Pages 369-378 doi: 10.1007/s11709-013-0222-x

Abstract: In the framework of finite element meshes, a novel continuous/discontinuous deformation analysis (CDDACDDA is particularly suitable for modeling the fracture propagation because the switch from continuous deformationanalysis to discontinuous deformation analysis is natural and convenient without additional procedures

Keywords： fracture     crack     propagation     deformable block     continuous/discontinuous deformation analysis (CDDA)    

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Calculation methods of the crack width and deformation for concrete beams with high-strength steel bars

Jianmin ZHOU, Shuo CHEN, Yang CHEN

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 3,   Pages 316-324 doi: 10.1007/s11709-013-0211-0

Abstract: groups of concrete beams reinforced with high-strength steel bars were tested, and the crack width and deformation

Keywords： concrete beam     high-strength steel bar     crack width     deformation    

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Calculation method of radial stress and deformation on conic threaded connections with interference fit

Shoujun CHEN, Qiang LI, Qi AN,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 3,   Pages 302-307 doi: 10.1007/s11465-010-0018-9

Abstract: This paper presents a calculation method for radial stress distribution and deformation on conic threadedThe model offers a new way of calculating the radial stress and deformation on conic thread connections

Keywords： conic threaded connections     interference fit     radial stress     deformation     finite element analysis (FEA)    

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Simulation of blast induced crater in jointed rock mass by discontinuous deformation analysis method

Youjun NING, Xinmei AN, Jun YANG, Guowei MA,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 2,   Pages 223-232 doi: 10.1007/s11709-010-0022-5

Abstract: This paper adopts the discontinuous deformation analysis (DDA) method to simulate the rock blasting process

Keywords： blast crater     jointed rock mass     explosion gas pressure     discontinuous deformation analysis (DDA) method    

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Rotation errors in numerical manifold method and a correction based on large deformation theory

Ning ZHANG, Xu LI, Qinghui JIANG, Xingchao LIN

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 5,   Pages 1036-1053 doi: 10.1007/s11709-019-0535-5

Abstract: The first two kind errors are owing to the small deformation assumption and the last one is due to theA large deformation NMM is proposed based on large deformation theory.In this method, the governing equation is derived using Green strain, the large deformation iteration

Keywords： numerical manifold method     rotation     large deformation     Green strain     open-close iteration    

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Deformation control criterion of shield tunnel under lateral relaxation of soft soil

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 5,   Pages 780-795 doi: 10.1007/s11709-023-0944-3

Abstract: However, deformation control standards for such situations have not been clearly defined.Subsequently, a deformation control criterion is established.Based on the mechanical pattern of the segment structure and the acoustic emission, the deformation responseof a segment can be classified into three stages: elastic and quasi-elastic, damage, and rapid deformationHowever, the segment deformation must be controlled when the ellipticity is 2.71% to 3.12%; in this regard

Keywords： shield tunnel     lateral relaxation of soil     deformation control criterion of segment structure     model    

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Deformation field and crack analyses of concrete using digital image correlation method

Yijie HUANG, Xujia HE, Qing WANG, Jianzhuang XIAO

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 5,   Pages 1183-1199 doi: 10.1007/s11709-019-0545-3

Abstract: The study on the deformation distribution and crack propagation of concrete under axial compression wasTest results also showed that the transverse and shear deformation concentration areas (DCAs) were formed

Keywords： deformation filed distribution     crack development     digital image correlation method     mechanical properties     water-cement ratio     characteristics of deformation and crack    

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Analysis of mechanical behaviors of big pipe-roof for shallow buried large-span tunnel

Li Jian,Tan Zhongsheng,Yu Yu,Ni Lusu

Strategic Study of CAE 2011, Volume 13, Issue 9,   Pages 92-96

Abstract: The force-deformation law of big pipe roof in loess tunnel was obtained: in front of the excavating facestarted to bear the load; after the excavating face about 15 m,the load became stable; the longitudinal deformationselection of pipe-roofs and had been verified in the result of numerical analysis software FLAC3D and deformationmonitoring.

Keywords： shallow burying mining     undercrossing construction     loess tunnel     pipe-roof     deformation monitoring    

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Title Author Date Type Operation

Deformation monitoring and assessment technology for substructure of unballasted track on railway passenger

Li Mingling

Journal Article

Deformation monitoring on Three Gorges Project ship lift tower during construction period

Qiu Zhangyun,Luo Chen

Journal Article

Structural Deformation Monitoring of Flight Vehicles Based on Optical Fiber Sensing Technology: A Review

Lianqing Zhu,Guangkai Sun,Weimin Bao,Zheng You,Fanyong Meng,Mingli Dong

Journal Article

the subway station and the analysis of the test result

Zhang Jiqing,Suo Xiaoming

Journal Article

Resistance of large deformation of the Wushaoling Tunnel F7 soft fault

ZHAO Xufeng, CHEN Haiming, WANG Chunmiao

Journal Article

Mobile Support Technology and Its Application Prospects in Urban Underground Engineering

Wang Xiuying,Tan Zhongsheng,Yang Jikai and Zheng Weihan

Journal Article

Numerical modeling of nonlinear deformation of polymer composites based on hyperelastic constitutive

Qingsheng YANG, Fang XU

Journal Article

A continuous/discontinuous deformation analysis (CDDA) method based on deformable blocks for fracture

Yongchang CAI, Hehua ZHU, Xiaoying ZHUANG

Journal Article

Calculation methods of the crack width and deformation for concrete beams with high-strength steel bars

Jianmin ZHOU, Shuo CHEN, Yang CHEN

Journal Article

Calculation method of radial stress and deformation on conic threaded connections with interference fit

Shoujun CHEN, Qiang LI, Qi AN,

Journal Article

Simulation of blast induced crater in jointed rock mass by discontinuous deformation analysis method

Youjun NING, Xinmei AN, Jun YANG, Guowei MA,

Journal Article

Rotation errors in numerical manifold method and a correction based on large deformation theory

Ning ZHANG, Xu LI, Qinghui JIANG, Xingchao LIN

Journal Article

Deformation control criterion of shield tunnel under lateral relaxation of soft soil

Journal Article

Deformation field and crack analyses of concrete using digital image correlation method

Yijie HUANG, Xujia HE, Qing WANG, Jianzhuang XIAO

Journal Article

Analysis of mechanical behaviors of big pipe-roof for shallow buried large-span tunnel

Li Jian,Tan Zhongsheng,Yu Yu,Ni Lusu

Journal Article