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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 formedThe crack propagations of specimens varied with the variation of / .The / had an obvious effect on the characteristics of concrete deterioration.Finally, the characteristics of crack was also evaluated by comparing the calculated results.

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

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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: Three groups of concrete beams reinforced with high-strength steel bars were tested, and the crack widthand deformation of the specimens were observed and studied.

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

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Deformation characteristics of corrugated composites for morphing wings

Ruijun GE, Bangfeng WANG, Changwei MOU, Yong ZHOU,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 1,   Pages 73-78 doi: 10.1007/s11465-009-0063-4

Abstract: FEM models are established and solved to predict the characteristics of the composites by the commercialThe linear cumulative effect of corrugated composites deformation is proved by calculating the elongationand experiments show that the corrugated composite provided in this paper can afford obviously larger deformation

Keywords： corrugated composites     deformation characteristic     numerical analysis     experiment    

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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 (CDDA) method is proposed in this paper for modeling of crack problems.analysis to discontinuous deformation analysis is natural and convenient without additional procedurescracks, such as kinked cracks or curved cracks, can be easily computed in the CDDA by using the virtual cracksimple polynomial interpolations and insensitive to mesh sizes, and can automatically simulate the crack

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

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Fatigue crack initiation of magnesium alloys under elastic stress amplitudes: A review

B. J. WANG, D. K. XU, S. D. WANG, E. H. HAN

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 1,   Pages 113-127 doi: 10.1007/s11465-018-0482-1

Abstract: Given their hexagonal close packed structure, the fatigue crack initiation of Mg and its alloys is closelyrelated to the deformation mechanisms of twinning and basal slips.In this paper, some fundamental aspects about the fatigue crack initiation mechanisms of Mg alloys arereviewed, including the 3 followings: 1) Fatigue crack initiation of as-cast Mg alloys, 2) influenceof microstructure on fatigue crack initiation of wrought Mg alloys, and 3) the effect of heat treatment

Keywords： Mg alloys     fatigue behavior     microstructure     crack initiation     deformation mechanism    

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Dynamic crack propagation in plates weakened by inclined cracks: an investigation based on peridynamics

A. SHAFIEI

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 4,   Pages 527-535 doi: 10.1007/s11709-018-0450-1

Abstract: In this paper by using peridynamics, the crack path for inclined crack under dynamic loading were investigatedThe peridynamics solution for this problem represents the main features of dynamic crack propagationsuch as crack bifurcation.In addition, the influence of geometry on inclined crack growth is studied.

Keywords： peridynamics     inclined crack     dynamic fracture     crack branching    

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Peridynamics versus XFEM: a comparative study for quasi-static crack problems

Jinhai ZHAO, Hesheng TANG, Songtao XUE

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 4,   Pages 548-557 doi: 10.1007/s11709-017-0434-6

Abstract: However, capturing of complex mixed-mode crack patterns has been proven to be difficult with PD.extended finite element method (XFEM) is one of the most popular methods for fracture which allows crackThe first example is crack propagation in a double notched specimen under uniaxial tension with differentcrack spacings in loading direction.

Keywords： XFEM     peridynamic     bilateral crack     parallel double cracks     nonlocal theory    

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Correlation between tension softening relation and crack extension resistance in concrete

Xiufang ZHANG , Shilang XU ,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 3,   Pages 323-329 doi: 10.1007/s11709-009-0041-2

Abstract: Changes of the material fracture energy consumption with crack propagation can be described by a crackextension resistance curve, one of the fundamental fracture criteria in crack mechanics.observation of the fracture behavior in concrete was used to develop a new fracture criterion, the crackextension resistance curve, to analyze crack propagation during the entire concrete fracture processfracture process zone ahead of the stress-free crack tip.

Keywords： concrete     fracture process zone     crack extension GR resistance     tension softening curve    

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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: In this article, the mechanical characteristics of the squeeze of the F7 fault of the Wushaoling TunnelThe measurements and techniques are proposed to resist the deformation.

Keywords： F7     deformation     appropriate     construction     mechanical    

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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: Fiber reinforced polymer (FRP) composites exhibit nonlinear and hyperelastic characteristics under finitedeformation.hyperelastic 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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Fracture resistance on aggregate bridging crack in concrete

ZHANG Xiufang, XU Shilang

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 1,   Pages 63-70 doi: 10.1007/s11709-007-0006-2

Abstract: Utilizing the obtained load against crack opening displacement curve, the value of G at any crack extensionas well as the change of G with the crack extension is examined.It is found that G will firstly increase with the development of crack and then stay constant once theinitial crack tip opening displacement reaches the characteristic crack opening displacement w0.The results reveal that the values of G of different specimens at any crack propagation are strongly
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Stability and dynamics of rotor system with 45° slant crack on shaft

Yanli LIN, Xiaohui SI, Fulei CHU

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 2,   Pages 203-213 doi: 10.1007/s11465-011-0131-4

Abstract:

Crack on a shaft is one of the common damages in a rotor system.slant crack on the rotor system.is larger than that with a transverse crack when the two types of crack have the same depth and theStability and dynamic characteristics of the rotor system with a 45° slant crack on the shaft underon a shaft and can be used for the detection of the slant crack on a shaft.

Keywords： rotor dynamics     slant crack     stability     torsional excitation     open and close    

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Study on the cohesion and adhesion of hot-poured crack sealants

Meng GUO, Yiqiu TAN, Xuesong DU, Zhaofeng LV

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 3,   Pages 353-359 doi: 10.1007/s11709-017-0400-3

Abstract: Filling crack sealant is a main method to repair cracking of pavement.The cohesion and adhesion of crack sealant directly determine its service performance and durability.This research proposed two methods to evaluate cohesion and adhesion of crack sealant, and analyzed theThe effect of moisture on low-temperature performance of crack sealant was also be evaluated by conductingfor 24 hours will decrease the failure energy of low-temperature tension and damage the durability of crack

Keywords： crack sealant     concrete pavement     cohesion     adhesion     moisture damage    

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Feasibility of crack free reinforced concrete bridge deck from materials composition perspective: a state

Mahdi AREZOUMANDI

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 1,   Pages 91-103 doi: 10.1007/s11709-015-0274-1

Abstract: To design an appropriate mixture for crack free bridge deck, it is important to study previous researches

Keywords： bridge deck     crack     fiber     shrinkage     shrinkage reducing admixture    

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Concurrent fatigue crack growth simulation using extended finite element method

Zizi LU, Yongming LIU,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 3,   Pages 339-347 doi: 10.1007/s11709-010-0078-2

Abstract: In this paper, a concurrent simulation framework for fatigue crack growth analysis is proposed usingscale model for fatigue mechanism analysis and the extended finite element method (X-FEM) for fatigue crackThe X-FEM greatly facilitates crack growth simulation without remeshing requirements ahead of the cracktime scale fatigue model is integrated into the numerical simulation algorithm for concurrent fatigue crack

Keywords： small time scale model     extended finite element method (X-FEM)     crack growth     multiaxial    

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Title Author Date Type Operation

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

Yijie HUANG, Xujia HE, Qing WANG, Jianzhuang XIAO

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

Deformation characteristics of corrugated composites for morphing wings

Ruijun GE, Bangfeng WANG, Changwei MOU, Yong ZHOU,

Journal Article

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

Yongchang CAI, Hehua ZHU, Xiaoying ZHUANG

Journal Article

Fatigue crack initiation of magnesium alloys under elastic stress amplitudes: A review

B. J. WANG, D. K. XU, S. D. WANG, E. H. HAN

Journal Article

Dynamic crack propagation in plates weakened by inclined cracks: an investigation based on peridynamics

A. SHAFIEI

Journal Article

Peridynamics versus XFEM: a comparative study for quasi-static crack problems

Jinhai ZHAO, Hesheng TANG, Songtao XUE

Journal Article

Correlation between tension softening relation and crack extension resistance in concrete

Xiufang ZHANG , Shilang XU ,

Journal Article

Resistance of large deformation of the Wushaoling Tunnel F7 soft fault

ZHAO Xufeng, CHEN Haiming, WANG Chunmiao

Journal Article

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

Qingsheng YANG, Fang XU

Journal Article

Fracture resistance on aggregate bridging crack in concrete

ZHANG Xiufang, XU Shilang

Journal Article

Stability and dynamics of rotor system with 45° slant crack on shaft

Yanli LIN, Xiaohui SI, Fulei CHU

Journal Article

Study on the cohesion and adhesion of hot-poured crack sealants

Meng GUO, Yiqiu TAN, Xuesong DU, Zhaofeng LV

Journal Article

Feasibility of crack free reinforced concrete bridge deck from materials composition perspective: a state

Mahdi AREZOUMANDI

Journal Article

Concurrent fatigue crack growth simulation using extended finite element method

Zizi LU, Yongming LIU,

Journal Article