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An enhanced damage plasticity model for predicting the cyclic behavior of plain concrete under multiaxialloading conditions

Mohammad Reza AZADI KAKAVAND, Ertugrul TACIROGLU

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 6,   Pages 1531-1544 doi: 10.1007/s11709-020-0675-7

Abstract: current models that adopt two damage variables, the independence of these damage variables during cyclic loadingThe model describes the cyclic behavior of concrete under multiaxial loading conditions and considersevaluated using experimental data on concrete specimens at the material level obtained under cyclic multiaxialloading conditions including uniaxial tension and confined compression.

Keywords： damage plasticity model     plain concrete     cyclic loading     multiaxial loading conditions    

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Influence evaluation of loading conditions during pressurized thermal shock transients based on thermal-hydraulics

Jinya KATSUYAMA, Shumpei UNO, Tadashi WATANABE, Yinsheng LI

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 4,   Pages 563-570 doi: 10.1007/s11465-018-0487-9

Abstract: reactors (PWRs) under pressurized thermal shock (PTS) events, because the TH behavior may affect the loadingconditions in the assessment.conditions in the structural integrity assessment.results, it was clarified that differences in operator action times significantly affect TH behavior and loadingconditions, as the Japanese rule may lead to lower stresses than that under the US rule because an earlier

Keywords： structural integrity     reactor pressure vessel     pressurized thermal shock     thermal hydraulic analysis     pressurized water reactor     weld residual stress    

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Research on the dynamic mechanical characteristics and turning tool life under the conditions of excessively

Genghuang HE, Xianli LIU, Fugang YAN

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 3,   Pages 329-334 doi: 10.1007/s11465-012-0303-x

Abstract: comprehensive analysis of the theory, the critical condition of the tools’ fracture under extreme loading

Keywords： extreme loading cutting     shear flow stress     dynamic cutting force     fatigue fracture    

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Evaluation method of multiaxial low cycle fatigue life for cubic single crystal material

CHEN Jiping, DING Zhiping

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 3,   Pages 278-282 doi: 10.1007/s11465-007-0048-0

Abstract: The coupling effect of normal stress and shear stress on orthotropic materials happens when applied loadingfor such material and a variable k, which is introduced to express the effect of asymmetrical cyclic loadingon fatigue life, a low cycle fatigue (LCF) life prediction model for such material in multiaxial stressThe cyclic stress-strain of DD3 notched specimens under asymmetrical loading at 680vH was analyzed.

Keywords： orthotropic     regression analysis     crystal material     multiaxial     prediction    

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Nonlinear cumulative damage model for multiaxial fatigue

SHANG De-guang, SUN Guo-qin, DENG Jing, YAN Chu-liang

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 3,   Pages 265-269 doi: 10.1007/s11465-006-0035-x

Abstract: In order to describe multiaxial fatigue damage characteristics, a nonlinear multiaxial fatigue cumulativeThe proposed model can consider the multiaxial fatigue limit, mean hydrostatic pressure and the unseparatedcharacteristic for the damage variables and loading parameters.The recurrence formula of fatigue damage model was derived under multilevel loading, which is used topredict multiaxial fatigue life.
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Reconsideration on the effect of nitrogen on mixed culture polyhydroxyalkanoate production toward high organic loading

Zhiqiang Chen, Lizhi Zhao, Ye Ji, Qinxue Wen, Long Huang

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 4, doi: 10.1007/s11783-019-1135-2

Abstract:

Effect of nitrogen on mixed culture PHA production was reconsidered.

Enrichment history of PHA accumulating culture was discussed.

Higher PHA content and biomass growth were achieved in presence of nitrogen.

Enrichment strategy toward higher PHA accumulation was investigated.

Microbial community succession in PHA accumulation phase was investigated.

Keywords： Polyhydroxyalkanoate (PHA)     Organic loading rate     Nitrogen content     Biomass growth     Enrichment history    

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Effect of loading rate on shear strength parameters of mechanically and biologically treated waste

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 12, doi: 10.1007/s11783-022-1595-7

Abstract:

● Mechanical behavior of MBT waste affected by loading rate was investigated

Keywords： Mechanically and biologically treated waste     Landfill     Triaxial test     Loading rate     Axial strain     Shear    

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Axisymmetric loading on nanoscale multilayered media

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 1,   Pages 152-164 doi: 10.1007/s11709-022-0895-0

Abstract: Numerical solutions to the global equation, which are formulated based on the continuity conditions of

Keywords： functionally graded layer     Gurtin–Murdoch surface elasticity     multilayered medium     size dependency     stiffness matrix    

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Data-driven approach to solve vertical drain under time-dependent loading

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3,   Pages 696-711 doi: 10.1007/s11709-021-0727-7

Abstract: prediction models with three different radial drainage patterns in the smear zone under time-dependent loading

Keywords： vertical drain     artificial neural network     time-dependent loading     deep learning network     genetic algorithm    

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Comparison and harmonization of building wind loading codes among the Asia-Pacific Economies

Yaojun GE, Shuyang CAO, Xinyang JIN

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 4,   Pages 402-410 doi: 10.1007/s11709-013-0230-x

Abstract: This paper reviews wind loading codes and standards in the Asia-Pacific Region, in particular in theA general description of wind loading model is given as a famous wind loading chain described by four

Keywords： wind loading     codification     velocity pressure     exposure factor     pressure coefficient     gust response factor    

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Changes of ecological conditions induced by rock tunneling in Laoshan Mountain area

LI Xiaozhao, ZHAO Xiaobao, WANG Zhongsheng

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 4,   Pages 366-370 doi: 10.1007/s11709-008-0056-0

Abstract: Through field investigation, this paper examined the changes of ecological conditions induced by tunnelThe changed ecological conditions are beneficial for the settlement and growth of some herb and shrub

Keywords： supplement     fragmentation     reference     tunneling activity     vegetation situation    

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Solution to economic dispatch problem with valve-point loading effect by using catfish PSO algorithm

K. MURALI,T. JAYABARATHI

Frontiers in Energy 2014, Volume 8, Issue 3,   Pages 290-296 doi: 10.1007/s11708-014-0305-y

Abstract: The ED problems considered in this paper include valve-point loading effect, power balance constraints

Keywords： economic dispatch (ED)     valve point loading     catfish particle swarm optimization (PSO)     optimization    

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Effect of Fe loading quantity on reduction reactivity of nano zero-valent iron supported on chelating

Jialu SHI,Shengnan YI,Chao LONG,Aimin LI

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 5,   Pages 840-849 doi: 10.1007/s11783-015-0781-2

Abstract: To investigate the effect of Fe loading on NZVI reactivity, three NZVI-resin composites with differentTEM reveals that increasing the Fe loading resulted in much larger size and poor dispersion of nanoscaleUnder acidic conditions, decreasing the pH value had the most significant influence on NZVI-R3 with highestFe loading for bromate removal; however, under alkaline conditions, the most significant influence ofpH was on NZVI-R1 with lowest Fe loading.

Keywords： nanoscale zero valent iron     loading quantity     reduction     chelating resin     bromated    

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Meshing stiffness property and meshing status simulation of harmonic drive under transmission loading

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 2, doi: 10.1007/s11465-022-0674-6

Abstract: To calculate the spatial distributed meshing forces and loading backlashes along the axial direction,and finite element model (FEM) is proposed to investigate the meshing state under varied transmission loadingBased on the relationship of meshing forces and circumferential displacements, meshing forces and loadingthen the teeth in the middle cross-section of the tooth rim enter the meshing and carry most of the loading

Keywords： harmonic drive     meshing flexibility matrix     meshing force     loading backlash     flexspline     contact analysis    

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between laboratory and field moduli of asphalt layer for pavement design and assessment: A comprehensive loading

Huailei CHENG; Liping LIU; Lijun SUN

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 3,   Pages 267-280 doi: 10.1007/s11709-022-0811-7

Abstract: However, this parameter varies between the laboratory and field loading modes (i.e., loading frequency, compressive or tensile loading pattern), due to the viscoelastic property and composite structure ofThe field modes are vehicular and falling weight deflectometer (FWD) loading modes, and the laboratoryones are uniaxial compressive (UC), indirect tensile (IDT), and four-point bending (4PB) loading modesdifferent loading modes.

Keywords： asphalt mixture layer     stiffness modulus     loading mode     UC/4PB/IDT     FWD     frequency    

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Title Author Date Type Operation

An enhanced damage plasticity model for predicting the cyclic behavior of plain concrete under multiaxialloading conditions

Mohammad Reza AZADI KAKAVAND, Ertugrul TACIROGLU

Journal Article

Influence evaluation of loading conditions during pressurized thermal shock transients based on thermal-hydraulics

Jinya KATSUYAMA, Shumpei UNO, Tadashi WATANABE, Yinsheng LI

Journal Article

Research on the dynamic mechanical characteristics and turning tool life under the conditions of excessively

Genghuang HE, Xianli LIU, Fugang YAN

Journal Article

Evaluation method of multiaxial low cycle fatigue life for cubic single crystal material

CHEN Jiping, DING Zhiping

Journal Article

Nonlinear cumulative damage model for multiaxial fatigue

SHANG De-guang, SUN Guo-qin, DENG Jing, YAN Chu-liang

Journal Article

Reconsideration on the effect of nitrogen on mixed culture polyhydroxyalkanoate production toward high organic loading

Zhiqiang Chen, Lizhi Zhao, Ye Ji, Qinxue Wen, Long Huang

Journal Article

Effect of loading rate on shear strength parameters of mechanically and biologically treated waste

Journal Article

Axisymmetric loading on nanoscale multilayered media

Journal Article

Data-driven approach to solve vertical drain under time-dependent loading

Journal Article

Comparison and harmonization of building wind loading codes among the Asia-Pacific Economies

Yaojun GE, Shuyang CAO, Xinyang JIN

Journal Article

Changes of ecological conditions induced by rock tunneling in Laoshan Mountain area

LI Xiaozhao, ZHAO Xiaobao, WANG Zhongsheng

Journal Article

Solution to economic dispatch problem with valve-point loading effect by using catfish PSO algorithm

K. MURALI,T. JAYABARATHI

Journal Article

Effect of Fe loading quantity on reduction reactivity of nano zero-valent iron supported on chelating

Jialu SHI,Shengnan YI,Chao LONG,Aimin LI

Journal Article

Meshing stiffness property and meshing status simulation of harmonic drive under transmission loading

Journal Article

between laboratory and field moduli of asphalt layer for pavement design and assessment: A comprehensive loading

Huailei CHENG; Liping LIU; Lijun SUN

Journal Article