Resource Type

Journal Article 80

Year

2022 2

2021 3

2020 2

2019 11

2018 5

2017 1

2016 1

2015 1

2014 5

2013 5

2012 10

2011 6

2010 4

2009 3

2008 4

2007 5

2006 2

2005 1

2004 2

2003 1

open ︾

Keywords

fracture 17

concrete 5

cohesive elements 3

concrete fracture 2

digital image correlation 2

dynamic fracture 2

fatigue fracture 2

fracture mechanics 2

fracture toughness 2

microseismic monitoring 2

1 860 MPa 1

3D fracture 1

3D fracture modelling 1

4 250 m 1

J-integral 1

J-R curve 1

Abrasive waterjet 1

Anpeng Alkali Mine 1

CNTs/Polymer composites 1

open ︾

Search scope:

排序： Display mode:

Secondary transfer length and residual prestress of fractured strand in post-tensioned concrete beams

Frontiers of Structural and Civil Engineering   Pages 388-400 doi: 10.1007/s11709-022-0809-1

Abstract: experimental study is performed on five post-tensioned concrete beams to explore the effects of different fracturepositions on secondary transfer length and residual prestress of fractured strand.is developed and used to predict the secondary transfer length and residual prestress of fractured strandResults shows that the fractured strand can be re-anchored in concrete through the secondary anchorage, and the secondary transfer length of fractured strand with the diameter of 15.2 mm is 1133 mm.

Keywords： post-tensioned concrete beams     strand fracture     secondary transfer length     residual prestress    

HTML PDF Collect
Share

Microbial community structure in different wastewater treatment processes characterized by single-strand

ZHAO Yangguo, WANG Aijie, REN Nanqi, ZHAO Yan

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 1,   Pages 116-121 doi: 10.1007/s11783-008-0018-8

Abstract: treatment pro cesses were studied by a culture-independent genetic fingerprinting technique single-strand

Keywords： technique single-strand     proportion     bioreactor     community diversity     fingerprinting technique    

HTML PDF Collect
Share

Tests on impact effect of partial fracture at steel frame connections

CHEN Yiyi, BIAN Ruoning

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 4,   Pages 295-301 doi: 10.1007/s11709-008-0049-z

Abstract: Impact effect of sudden fracture at steel frame connections under severe earthquake or other extremeThe relation of impulse caused by structural fracture to the release of inner force at the cracked locationIt is also revealed that the instant fracture of structural connection is characterized by progressiveand partial fracture.Numerical evaluation of the impact effect of connection fracture is carried out.

Keywords： structural fracture     natural     fracture     progressive     high-frequency    

HTML PDF Collect
Share

Computational modeling of fracture in concrete: A review

Luthfi Muhammad Mauludin, Chahmi Oucif

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 3,   Pages 586-598 doi: 10.1007/s11709-020-0573-z

Abstract: This paper presents a review of fracture modeling of concrete.Based on comprehensive literature review, there are two main approaches considered to-date of concrete fractureThe purpose of this review is to provide insight comparison from different techniques in modeling of fractureIn the first section, an overview of fracture modeling in general is highlighted.

Keywords： concrete fracture     macroscopic     micromechanical     heterogeneity    

HTML PDF Collect
Share

Effect of fly ash replacement level on the fracture behavior of concrete

Mahdi AREZOUMANDI, Jeffery S. VOLZ

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 4,   Pages 411-418 doi: 10.1007/s11709-013-0228-4

Abstract: results of an experimental investigation that evaluates effect of fly ash replacement level on the fractureThis experimental program consisted of 32 fracture beams to study the fracture behavior of concrete.The experimental fracture energies were compared with the fracture energy provisions of different designevaluate whether or not there is any statistically significant difference between the experimental fracturethese statistical tests show that the mix with higher level of fly ash replacement level has higher fracture

Keywords： concrete     fracture energy     fly ash    

HTML PDF Collect
Share

Computational modeling of fracture in capsule-based self-healing concrete: A 3D study

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 6,   Pages 1337-1346 doi: 10.1007/s11709-021-0781-1

Abstract: We present a three-dimensional (3D) numerical model to investigate complex fracture behavior using cohesivepre-inserted cohesive elements are also applied into the initial meshes of solid elements to account for fractureThe proposed model provides an effective tool for predicting the complex fracture response of capsule-based

Keywords： 3D fracture     self-healing concrete     spherical     cohesive elements     heterogeneous    

HTML PDF Collect
Share

Research on an intelligent device for releasing main cable strand of suspension bridge in horizontal

Shen Wang,Yu Jianqun,Gu Qinghua,Mao Youda

Strategic Study of Chinese Academy of Engineering 2010, Volume 12, Issue 7,   Pages 4-7

Abstract: It is based on horizontal retractable technology and used for releasing main cable strand of suspensionThe release quality of main cable strand was greatly improved after the adoption of the device.

Keywords： suspension bridge     main cable strand     intelligent     cable releasing device    

HTML PDF Collect
Share

Evaluating the material strength from fracture angle under uniaxial loading

Jitang FAN

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 2,   Pages 288-293 doi: 10.1007/s11709-018-0480-8

Abstract: Generally, shearing fracture model occurs in both the tests.Shearing fracture angle is smaller than 45° under uniaxial compression and greater than 45° under uniaxialof material strength under uniaxial compression and tension is developed by correlating the shearing fracturerelation is quantitatively illustrated by a function for analyzing the material strength from shear fracture

Keywords： strength     fracture     mechanics    

HTML PDF Collect
Share

A dimensional analysis on asphalt binder fracture and fatigue cracking

Qian ZHAO, Zhoujing YE

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 2,   Pages 201-206 doi: 10.1007/s11709-017-0402-1

Abstract: Fracture and fatigue cracking in asphalt binder are two of most serious problems for pavement engineersconsists both of dimensional analysis using Buckingham Theorem and -integral analysis based on classic fracturemechanics, to evaluate the fracture and fatigue on asphalt binder.is discovered that the dimensional analysis could provide a new perspective to analyze the asphalt fracture

Keywords： Dimensional analysis     asphalt     fracture     fatigue cracking    

HTML PDF Collect
Share

Experimental research on ductile fracture criterion in metal forming

Song YU, Weiming FENG

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 3,   Pages 308-311 doi: 10.1007/s11465-011-0233-z

Abstract:

Ductile fracture criterion is key limitation parameter in material forming.shearing test on 45# steel are utilized for providing the experimental values of the critical values at fracture, and 11 widely used ductile fracture criterion are selected to simulate the physical experiments andtheir relative accuracy for predicting and quantifying fracture initiation sites are investigated.triaxiality can be estimated successively using both Normalized Cockcroft-latham and the Brozzo ductile fracture

Keywords： ductile fracture criteria     metal forming process     material experiment     stress triaxiality    

HTML PDF Collect
Share

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: The CDDA is particularly suitable for modeling the fracture propagation because the switch from continuous

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

HTML PDF Collect
Share

Hybrid deep learning model for risk prediction of fracture in patients with diabetes and osteoporosis

Frontiers of Medicine 2022, Volume 16, Issue 3,   Pages 496-506 doi: 10.1007/s11684-021-0828-7

Abstract: The fracture risk of patients with diabetes is higher than those of patients without diabetes due toIn addition, the fracture risk of patients with diabetes and osteoporosis has not been further studiedIn this paper, a hybrid model combining XGBoost with deep neural network is used to predict the fracturepatients with diabetes and osteoporosis, and investigate the effect of patients’ physiological factors on fractureMoreover, the top 18 influencing factors of fracture risks of patients with diabetes are determined.

Keywords： XGBoost     deep neural network     healthcare     risk prediction    

HTML PDF Collect
Share

A concise review about fracture assessments of brittle solids with V-notches

Hsien-Yang YEH, Bin YANG

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 2,   Pages 478-485 doi: 10.1007/s11709-019-0520-z

Abstract:

A concise review of recent studies about the fracture assessments of elastic brittle solid materialsFracture criteria such as strain energy density, J-integral, theory of critical distance are used.

Keywords： fracture     assessment     brittle solids     V-notches     review    

HTML PDF Collect
Share

Effects of DNA damage on oocyte meiotic maturation and early embryonic development

Shen YIN,Junyu MA,Wei SHEN

Frontiers of Agricultural Science and Engineering 2014, Volume 1, Issue 3,   Pages 185-190 doi: 10.15302/J-FASE-2014035

Abstract: Complex DNA damage, double-strand breaks, represents a more difficult repair process and involves various

Keywords： DNA damage     double-strand breaks (DSBs)     oocyte     embryo    

HTML PDF Collect
Share

Local fracture properties and dissimilar weld integrity in nuclear power plants

Guozhen WANG, Haitao WANG, Fuzhen XUAN, Shantung TU, Changjun LIU

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 3,   Pages 283-290 doi: 10.1007/s11465-013-0250-1

Abstract:

In this paper, the local fracture properties in a Alloy52M dissimilar metal welded joint (DMWJ) betweenThe results show that the local fracture resistance in the DMWJ is determined by local fracture mechanismIf the local fracture properties could not be used for cracks in the heat affected zones (HAZs), interfaceand near interface zones, the use of the fracture properties ( -resistance curves) of base metals orTherefore, it is recommended to obtain and use local mechanical and fracture properties in the integrity

Keywords： local fracture properties     dissimilar metal welded joint     integrity assessment     strength mismatch     crack    

HTML PDF Collect
Share

Title Author Date Type Operation

Secondary transfer length and residual prestress of fractured strand in post-tensioned concrete beams

Journal Article

Microbial community structure in different wastewater treatment processes characterized by single-strand

ZHAO Yangguo, WANG Aijie, REN Nanqi, ZHAO Yan

Journal Article

Tests on impact effect of partial fracture at steel frame connections

CHEN Yiyi, BIAN Ruoning

Journal Article

Computational modeling of fracture in concrete: A review

Luthfi Muhammad Mauludin, Chahmi Oucif

Journal Article

Effect of fly ash replacement level on the fracture behavior of concrete

Mahdi AREZOUMANDI, Jeffery S. VOLZ

Journal Article

Computational modeling of fracture in capsule-based self-healing concrete: A 3D study

Journal Article

Research on an intelligent device for releasing main cable strand of suspension bridge in horizontal

Shen Wang,Yu Jianqun,Gu Qinghua,Mao Youda

Journal Article

Evaluating the material strength from fracture angle under uniaxial loading

Jitang FAN

Journal Article

A dimensional analysis on asphalt binder fracture and fatigue cracking

Qian ZHAO, Zhoujing YE

Journal Article

Experimental research on ductile fracture criterion in metal forming

Song YU, Weiming FENG

Journal Article

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

Yongchang CAI, Hehua ZHU, Xiaoying ZHUANG

Journal Article

Hybrid deep learning model for risk prediction of fracture in patients with diabetes and osteoporosis

Journal Article

A concise review about fracture assessments of brittle solids with V-notches

Hsien-Yang YEH, Bin YANG

Journal Article

Effects of DNA damage on oocyte meiotic maturation and early embryonic development

Shen YIN,Junyu MA,Wei SHEN

Journal Article

Local fracture properties and dissimilar weld integrity in nuclear power plants

Guozhen WANG, Haitao WANG, Fuzhen XUAN, Shantung TU, Changjun LIU

Journal Article