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Mechanical properties and impact resistance of concrete composites with hybrid steel fibers

Fatih ÖZALP; Halit Dilşad YILMAZ; Burcu AKCAY

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 5,   Pages 615-623 doi: 10.1007/s11709-022-0828-y

Abstract: Mechanical properties of concrete were determined in experimental studies.In addition to the fracture energy and impact strength, two important indicators of ballistic performance

Keywords： projectile impact     depth of penetration     fracture energy     crater diameter     UHPFRC    

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Influence of recycled polyethylene terephthalate fibres on plastic shrinkage and mechanical properties

Necat ÖZAŞIK; Özgür EREN

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 6,   Pages 792-802 doi: 10.1007/s11709-022-0849-6

Abstract: The objective of this research is to evaluate the mechanical properties of recycled polyethylene terephthalatedetrimental effects up to 1% volume fraction, however further addition caused slight reductions on mechanical propertiesPlastic shrinkage resistance and impact resistance tests were also performed according to related standardsPolyethylene terephthalate fibres were observed to have marked improvements on those properties.

Keywords： recycled PET     fibre-reinforced concrete     mechanical properties     plastic shrinkage     impact energy    

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Tailoring Anti-Impact Properties of Ultra-High Performance Concrete by Incorporating Functionalized Carbon Article

Jialiang Wang,Sufen Dong,Sze Dai Pang,Xun Yu,Baoguo Han,Jinping Ou

Engineering 2022, Volume 18, Issue 11,   Pages 232-245 doi: 10.1016/j.eng.2021.04.030

Abstract: justify;">Replacing micro-reinforcing fibers with carbon nanotubes (CNTs) is beneficial for improving the impactproperties of ultra-high performance concrete (UHPC); however, the weak wettability and dispersibilityTherefore, this study aims to enhance the reinforcement effect of CNTs on the impact properties of UHPCtoughness, and impact dissipation energy at strain rates of 200–800 s−1.Impact performance of UHPC containing a small amount of carboxyl-functionalized CNTs (especially the

Keywords： Functionalized carbon nanotubes     Concrete     Impact properties     Reinforcing mechanisms    

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Impact of Torrefaction on the Properties of Food Waste Compost

Yang Qiu, Gu Jing, Wang Yazhuo, Yuan Haoran, He Mingyang, Sun Fuan

Strategic Study of CAE 2018, Volume 20, Issue 3,   Pages 109-116 doi: 10.15302/J-SSCAE-2018.03.016

Abstract: This study explores the fuel properties and combustion characteristics of solid products from torrefiedThe results show that torrefaction has a significant effect on the fuel properties (ultimate analysis

Keywords： torrefaction     food waste compost     biomass     fuel properties     combustion characteristic    

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Game theoretic analysis of environmental impact assessment system in China

CHENG Hongguang, PU Xiao, GONG Li, QI Ye

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 4,   Pages 448-453 doi: 10.1007/s11783-007-0071-8

Abstract: Environmental impact assessment (EIA) system has been established in China since 1973.

Keywords： public     impact assessment     Environmental impact     general    

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The clinical impact of tricuspid regurgitation in patients with a biatrial orthotopic heart transplant

Frontiers of Medicine 2023, Volume 17, Issue 3,   Pages 527-533 doi: 10.1007/s11684-022-0967-5

Abstract: In this study, we aim to elucidate the clinical impact and long-term course of tricuspid regurgitation

Keywords： orthotopic heart transplant     tricuspid regurgitation     clinical impact     biatrial heart transplantation    

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Dynamic material performance of cold-formed steel hollow sections: a state-of-the-art review

Cameron B. RITCHIE, Jeffrey A. PACKER, Xiao-Ling ZHAO, Amin HEIDARPOUR, Yiyi CHEN

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 2,   Pages 209-227 doi: 10.1007/s11709-017-0388-8

Abstract: Impulsive loading, represented by impact and blast, is characterized by a very rapid, time-dependentThe response of hollow sections under axial and lateral impact loading is then reviewed. ??

Keywords： cold-formed steel     hollow structural sections     composites     impulsive loading     impact     blast     experimentation     analysis     material properties    

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Dynamical analysis of droplet impact spreading on solid substrate

Zhaomiao LIU, Huamin LIU, Xin LIU,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 3,   Pages 308-315 doi: 10.1007/s11465-010-0020-2

Abstract: This paper investigates the impact spreading of a droplet on a solid substrate using numerical simulationhowever, the pressures on the substrate are quite different and air entrainment may be found as the impactThe impact speed impacts on the spreading factors in high speed droplet spreading.The spreading factor obviously increases with increasing impact speed; however, splashing will appear

Keywords： droplet     impact spreading     numerical simulation    

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Comparison of droplet distributions from fluidic and impact sprinklers

Xingye ZHU,Shouqi YUAN,Junping LIU,Xingfa LIU

Frontiers of Agricultural Science and Engineering 2015, Volume 2, Issue 1,   Pages 53-59 doi: 10.15302/J-FASE-2015049

Abstract: prototype sprinklers, outside signal sprinkler (OS) and fluidic sprinkler (FS), were compared with impact

Keywords： outside signal sprinkler     fluidic sprinkler     impact sprinkler     sprinkler irrigation     droplet size     droplet    

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Hazard potential of zones of weakness in gravity dams under impact loading conditions

Herbert LINSBAUER

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 1,   Pages 90-97 doi: 10.1007/s11709-010-0008-3

Abstract: to “dynamic loading” in the form of seismic action on the dam-reservoir-system and alternatively by “impact

Keywords： dam-reservoir     earthquake     impact     cracking     fracture mechanics    

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Buffer capacity of granular matter to impact of spherical projectile based on discrete element method

Ying YAN, Pengfei LI, Shunying JI

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 1,   Pages 50-54 doi: 10.1007/s11709-013-0186-x

Abstract: Granular matter possesses impact-absorbing property due to its energy dissipation character.To investigate the impact-absorbing capacity of granular matter, the discrete element method (DEM) isadopted to simulate the impact of a spherical projectile on to a granular bed.The penetration depth of the projectile and the first impact peak are investigated with different bedthicknesses and impact velocities.

Keywords： granular matter     impact peak     buffer capacity     discrete element method     critical thickness    

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Water film coated composite liquid metal marble and its fluidic impact dynamics phenomenon

Yujie DING,Jing LIU

Frontiers in Energy 2016, Volume 10, Issue 1,   Pages 29-36 doi: 10.1007/s11708-015-0388-0

Abstract: A composite liquid metal marble made of metal droplet coated with water film was proposed and its impact

Keywords： liquid metal marble     metallic droplet     composite fluid     impact dynamics     multiphase fluid mechanics    

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Dynamic characteristics of a shrouded blade with impact and friction

Xumin GUO, Jin ZENG, Hui MA, Chenguang ZHAO, Lin QU, Bangchun WEN

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 2,   Pages 209-226 doi: 10.1007/s11465-019-0566-6

Abstract: A simplified computational model of a twisted shrouded blade with impact and friction is established.Impact force is simulated using a linear spring model, and friction force is generated by a tangentialResults show that resonant peaks become inconspicuous and impact plays a dominant role when initial gaps

Keywords： twisted shrouded blade     dynamic analysis     impact     friction     separate–stick–slip motion    

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RESEARCH PROGRESS ON THE IMPACT OF NITROGEN DEPOSITION ON GLOBAL GRASSLANDS

Frontiers of Agricultural Science and Engineering 2022, Volume 9, Issue 3,   Pages 425-444 doi: 10.15302/J-FASE-2022457

Abstract:

● Grasslands in many regions of the world have been impacted by atmospheric nitrogen deposition.

Keywords： Acidification     biomass production     critical load     eutrophication     species composition     species richness    

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Corporate governance impact on banking risk

Mahdi JEMMALI, Bassem SALHI

Frontiers of Engineering Management 2020, Volume 7, Issue 2,   Pages 182-195 doi: 10.1007/s42524-019-0034-3

Abstract: a single equation that examines variables relative to governance and credit risk to determine their impact

Keywords： bank governance     banking risk     process decision     modeling     architecture    

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Title Author Date Type Operation

Mechanical properties and impact resistance of concrete composites with hybrid steel fibers

Fatih ÖZALP; Halit Dilşad YILMAZ; Burcu AKCAY

Journal Article

Influence of recycled polyethylene terephthalate fibres on plastic shrinkage and mechanical properties

Necat ÖZAŞIK; Özgür EREN

Journal Article

Tailoring Anti-Impact Properties of Ultra-High Performance Concrete by Incorporating Functionalized Carbon

Jialiang Wang,Sufen Dong,Sze Dai Pang,Xun Yu,Baoguo Han,Jinping Ou

Journal Article

Impact of Torrefaction on the Properties of Food Waste Compost

Yang Qiu, Gu Jing, Wang Yazhuo, Yuan Haoran, He Mingyang, Sun Fuan

Journal Article

Game theoretic analysis of environmental impact assessment system in China

CHENG Hongguang, PU Xiao, GONG Li, QI Ye

Journal Article

The clinical impact of tricuspid regurgitation in patients with a biatrial orthotopic heart transplant

Journal Article

Dynamic material performance of cold-formed steel hollow sections: a state-of-the-art review

Cameron B. RITCHIE, Jeffrey A. PACKER, Xiao-Ling ZHAO, Amin HEIDARPOUR, Yiyi CHEN

Journal Article

Dynamical analysis of droplet impact spreading on solid substrate

Zhaomiao LIU, Huamin LIU, Xin LIU,

Journal Article

Comparison of droplet distributions from fluidic and impact sprinklers

Xingye ZHU,Shouqi YUAN,Junping LIU,Xingfa LIU

Journal Article

Hazard potential of zones of weakness in gravity dams under impact loading conditions

Herbert LINSBAUER

Journal Article

Buffer capacity of granular matter to impact of spherical projectile based on discrete element method

Ying YAN, Pengfei LI, Shunying JI

Journal Article

Water film coated composite liquid metal marble and its fluidic impact dynamics phenomenon

Yujie DING,Jing LIU

Journal Article

Dynamic characteristics of a shrouded blade with impact and friction

Xumin GUO, Jin ZENG, Hui MA, Chenguang ZHAO, Lin QU, Bangchun WEN

Journal Article

RESEARCH PROGRESS ON THE IMPACT OF NITROGEN DEPOSITION ON GLOBAL GRASSLANDS

Journal Article

Corporate governance impact on banking risk

Mahdi JEMMALI, Bassem SALHI

Journal Article