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Automatic detection and assessment of crack development in ultra-high performance concrete in the spatial

Frontiers of Structural and Civil Engineering 2024, Volume 18, Issue 3,   Pages 350-364 doi: 10.1007/s11709-024-1042-x

Abstract: Automatic detection and assessment of surface cracks are beneficial for understanding the mechanicalThis study detects crack evolution using a novel dynamic mode decomposition (DMD) method.reconstruct the foreground that contains cracks, and the global threshold method is adopted to extract the crackResults indicate that crack patterns in the Fourier domain exhibit a distinct concentration around aThe investigation into crack evolution in both the spatial and Fourier domains contributes significantly

Keywords： dynamic mode decomposition     ultra-high performance concrete     crack detection     geometric features     Fourier    

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Crack detection for wading-concrete structures using water irrigation and electric heating

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 3,   Pages 368-377 doi: 10.1007/s11709-022-0926-x

Abstract: The heat-transfer rate near a crack is related to the flow velocity of the fluid in the crack.rate in the crack area will increase because of the convective heat-transfer effect near the crack.The effects of the crack width, leakage flow, and relative positions of the heat source and crack on, but not quantify the crack width.However, the leakage flow is sensitive to the crack width and can be used to identify it.

Keywords： structural health monitoring     underwater concrete structure     fiber Bragg grating     crack detection     temperature    

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Fast detection algorithm for cracks on tunnel linings based on deep semantic segmentation

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 5,   Pages 732-744 doi: 10.1007/s11709-023-0965-y

Abstract: The proposed method addresses the low accuracy of tunnel crack segmentation and the slow detection speedNext, an efficient shallow feature fusion module that extracts crack features across pixels is designedto improve the edges of crack segmentation.

Keywords： tunnel engineering     crack segmentation     fast detection     DeepLabv3+     feature fusion     attention mechanism    

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Crack detection of the cantilever beam using new triple hybrid algorithms based on Particle Swarm Optimization

Amin GHANNADIASL; Saeedeh GHAEMIFARD

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 9,   Pages 1127-1140 doi: 10.1007/s11709-022-0838-9

Abstract: Therefore, the accurate determination of crack characteristics, such as location and depth, is one ofThis paper deals with the inverse analysis of the crack detection problems using triple hybrid algorithmsThus, the location and depth of a crack in a beam can be predicted by measuring its natural frequencyIn this paper, this is applied to identify crack location and depth in a cantilever beam using the newdetection.

Keywords： crack     cantilever beam     triple hybrid algorithms     Particle Swarm Optimization    

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Pixel-level crack segmentation of tunnel lining segments based on an encoder–decoder network

Frontiers of Structural and Civil Engineering 2024, Volume 18, Issue 5,   Pages 681-698 doi: 10.1007/s11709-024-1048-4

Abstract: Regular detection and repair for lining cracks are necessary to guarantee the safety and stability ofA tunnel concrete structure crack (TCSC) image data set, containing images collected from a double-shieldThis paper also discusses GPU parallel acceleration effect and the crack maximum width quantification

Keywords： tunnel lining segment     crack detection     semantic segmentation     convolutional neural network     encoder–decoder    

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Investigation of crack segmentation and fast evaluation of crack propagation, based on deep learning

Frontiers of Structural and Civil Engineering 2024, Volume 18, Issue 4,   Pages 516-535 doi: 10.1007/s11709-024-1040-z

Abstract: Identifying crack and predicting crack propagation are critical processes for the risk assessment ofMost traditional approaches to crack modeling are faced with issues of high computational costs and excessiveTo address this issue, we explore the potential of deep learning (DL) to increase the efficiency of crackdetection and forecasting crack growth.present DL models for identifying cracks, especially on concrete surface images, and for predicting crack

Keywords： deep learning     crack segmentation     crack propagation     encoder−decoder     recurrent neural network    

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Crack identification in concrete, using digital image correlation and neural network

Frontiers of Structural and Civil Engineering 2024, Volume 18, Issue 4,   Pages 536-550 doi: 10.1007/s11709-024-1013-2

Abstract: In engineering applications, concrete crack monitoring is very important.Therefore, more comprehensive detection of concrete damage under different scenarios is of high value

Keywords： digital image correlation     convolutional neural network     back propagation neural neural network     damage detection    

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Real-Time Detection of Cracks on Concrete Bridge Decks Using Deep Learning in the Frequency Domain Article

Qianyun Zhang,Kaveh Barri,Saeed K. Babanajad,Amir H. Alavi

Engineering 2021, Volume 7, Issue 12,   Pages 1786-1796 doi: 10.1016/j.eng.2020.07.026

Abstract:

This paper presents a vision-based crack detection approach for concrete bridge decks using an integratedThe fast implementation of the 1D-CNN-LSTM algorithm makes it a promising tool for real-time crack detection

Keywords： Crack detection     Concrete bridge deck     Deep learning     Real-time    

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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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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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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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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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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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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 thetorsional excitation are analyzed by considering opening and closing of the crack.on 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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Title Author Date Type Operation

Automatic detection and assessment of crack development in ultra-high performance concrete in the spatial

Journal Article

Crack detection for wading-concrete structures using water irrigation and electric heating

Journal Article

Fast detection algorithm for cracks on tunnel linings based on deep semantic segmentation

Journal Article

Crack detection of the cantilever beam using new triple hybrid algorithms based on Particle Swarm Optimization

Amin GHANNADIASL; Saeedeh GHAEMIFARD

Journal Article

Pixel-level crack segmentation of tunnel lining segments based on an encoder–decoder network

Journal Article

Investigation of crack segmentation and fast evaluation of crack propagation, based on deep learning

Journal Article

Crack identification in concrete, using digital image correlation and neural network

Journal Article

Real-Time Detection of Cracks on Concrete Bridge Decks Using Deep Learning in the Frequency Domain

Qianyun Zhang,Kaveh Barri,Saeed K. Babanajad,Amir H. Alavi

Journal Article

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

A. SHAFIEI

Journal Article

Correlation between tension softening relation and crack extension resistance in concrete

Xiufang ZHANG , Shilang XU ,

Journal Article

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

Jinhai ZHAO, Hesheng TANG, Songtao XUE

Journal Article

Fracture resistance on aggregate bridging crack in concrete

ZHANG Xiufang, XU Shilang

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

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

Yanli LIN, Xiaohui SI, Fulei CHU

Journal Article