Resource Type

Journal Article 88

Year

2023 4

2022 3

2021 9

2020 6

2019 10

2018 4

2017 3

2016 4

2015 6

2014 2

2013 5

2012 5

2011 5

2010 3

2009 5

2008 2

2007 4

2006 3

2005 2

2002 1

open ︾

Keywords

crack 10

concrete 5

toughness 4

XFEM 3

crack growth 3

crack propagation 3

J-integral 2

crack initiation 2

crack width 2

digital image correlation 2

extended finite element method 2

fatigue life 2

mechanical properties 2

3-D cracks 1

ANN 1

ANSYS 1

B grade steel 1

B-spline 1

BOA 1

open ︾

Search scope:

排序： Display mode:

High grade line pipe and high pressure transportation: significant progress of oil & gas transportation pipeline technology in China

Li Helin,Ji Lingkang,Tian Wei

Strategic Study of CAE 2010, Volume 12, Issue 5,   Pages 84-90

Abstract: with high-strength and large-diameter in main pipeline, first investigation of dynamic fracture and crackarrest in China, which adopts the Battelle Two Curve method to predict the toughness requirement for

Keywords： oil & gas pipeline     grade pipeline steel     helical submerge-arc welded pipe     crack-arrest toughness     strain-based    

HTML PDF Collect

Concrete crack and control

Miao Changwen,Liu Jianzhong,Tian Qian

Strategic Study of CAE 2013, Volume 15, Issue 4,   Pages 30-35

Abstract: In this paper,  the harms and causes of concrete crack were analyzed first.At last,  a telechelic toughening material was also recommended to improve the toughness of concrete

Keywords： concrete     crack     shrinkage     hydration heat     toughness    

HTML PDF Collect

Measurement of dynamic fracture toughness and failure behavior for explosive mock materials

Pengwan CHEN, Zhongbin ZHOU, Shaopeng MA, Qinwei MA, Fenglei HUANG

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 3,   Pages 292-295 doi: 10.1007/s11465-011-0237-8

Abstract: The strain field can be used to predict the crack propagation.The fracture toughness of the specimen was preliminary measured.

Keywords： explosive simulant     split Hopkinson pressure bar (SHPB)     semicircular bending test     deformation     fracture toughness    

HTML PDF Collect

Research progress and application of high performance offshore platform steel

Liu Zhenyu,Zhou Yanlei,Di Guobiao and Wang Guodong

Strategic Study of CAE 2014, Volume 16, Issue 2,   Pages 31-38

Abstract: gradually extended from shallow of the continental shelf to deep waters，therefore， high strength and high toughness

Keywords： offshore platform steel     toughness at low temperature     ultra fast cooling     necking development of crack    

HTML PDF Collect

Recent development in low-constraint fracture toughness testing for structural integrity assessment of

Jidong KANG, James A. GIANETTO, William R. TYSON

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 4,   Pages 546-553 doi: 10.1007/s11465-018-0501-2

Abstract:

Fracture toughness measurement is an integral part of structural integrity assessment of pipelinesTraditionally, a single-edge-notched bend (SE(B)) specimen with a deep crack is recommended in many existingSuch a test provides high constraint and therefore conservative fracture toughness results.development and automation, round-robin test results and some common concerns such as the effect of cracktip, crack size monitoring techniques, and testing at low temperatures.

Keywords： fracture toughness     constraint effect     single-edge-notched tension test     pipeline     structural integrity assessment    

HTML PDF Collect

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    

HTML PDF Collect

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    

HTML PDF Collect

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    

HTML PDF Collect

A toughness based deformation limit for X- and K-joints under brace axial tension

Bo GU,Xudong QIAN,Aziz AHMED

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 3,   Pages 345-362 doi: 10.1007/s11709-016-0333-2

Abstract: The proposed approach sets the deformation limit as the numerically computed crack driving force in afatigue crack at the hot-spot location in the tubular joint reaches the material fracture toughnessThe calibration of the numerical procedure predicates on reported numerical computations on the crackincludes a normalization procedure, which covers a wide range of the geometric parameters and material toughnessThe proposed deformation limit, when extrapolated to a zero crack depth, provides an estimate on the

Keywords： circular hollow section (CHS)     tubular joint     fracture failure     deformation limit     J-integral    

HTML PDF Collect

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
HTML PDF Collect

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    

HTML PDF Collect

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    

HTML PDF Collect

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    

HTML PDF Collect

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    

HTML PDF Collect

Some remarks on the engineering application of the fatigue crack growth approach under nonzero mean loads

Jorge Alberto Rodriguez DURAN,Ronney Mancebo BOLOY,Rafael Raider LEONI

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 3,   Pages 255-262 doi: 10.1007/s11465-015-0342-1

Abstract:

The well-known fatigue crack growth (FCG) curves are two-parameter dependents.the mathematical representation of these curves should be integrated between the initial and final crackK is almost always selected and, in these conditions, considered as the crack driving forceNumerical examples of crack growth analysis for cracks growing under nominal stresses of constant amplitudeThe resulting curves of crack size versus number of cycles (a vs.

Keywords： fatigue crack propagation modeling     life prediction     mean stress effects    

HTML PDF Collect

Title Author Date Type Operation

High grade line pipe and high pressure transportation: significant progress of oil & gas transportation pipeline technology in China

Li Helin,Ji Lingkang,Tian Wei

Journal Article

Concrete crack and control

Miao Changwen,Liu Jianzhong,Tian Qian

Journal Article

Measurement of dynamic fracture toughness and failure behavior for explosive mock materials

Pengwan CHEN, Zhongbin ZHOU, Shaopeng MA, Qinwei MA, Fenglei HUANG

Journal Article

Research progress and application of high performance offshore platform steel

Liu Zhenyu,Zhou Yanlei,Di Guobiao and Wang Guodong

Journal Article

Recent development in low-constraint fracture toughness testing for structural integrity assessment of

Jidong KANG, James A. GIANETTO, William R. TYSON

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

A toughness based deformation limit for X- and K-joints under brace axial tension

Bo GU,Xudong QIAN,Aziz AHMED

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

Some remarks on the engineering application of the fatigue crack growth approach under nonzero mean loads

Jorge Alberto Rodriguez DURAN,Ronney Mancebo BOLOY,Rafael Raider LEONI

Journal Article