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Development of combined transitional pavement structure for urban tram track-road grade crossings

Frontiers of Structural and Civil Engineering   Pages 1199-1210 doi: 10.1007/s11709-023-0949-y

Abstract: (PU) elastic concrete and ultra-high-performance concrete (UHPC), referred to as a track-road transitionalFirst, the mechanical properties of the PU elastic concrete are evaluated.The results show that PU elastic concrete and the proposed combined TRTP are applicable and functionedAdditionally, the PU elastic concrete achieved sufficient performance.Meanwhile, the application of UHPC under a PU elastic concrete layer significantly reduces vertical deformation

Keywords： urban tram track     grade crossing     combined track-road transitional pavement     polyurethane elastic concrete    

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Nonlinear elastic model for compacted clay concrete interface

R. R. SHAKIR, Jungao ZHU

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 2,   Pages 187-194 doi: 10.1007/s11709-009-0033-2

Abstract: In this paper, a nonlinear elastic model was developed to simulate the behavior of compacted clay concrete

Keywords： interface modeling     friction     soil structure interface     soil structure interaction     simple shear test    

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Three-scale stochastic homogenization of elastic recycled aggregate concrete based on nano-indentation

Chen WANG, Yuching WU, Jianzhuang XIAO

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 4,   Pages 461-473 doi: 10.1007/s11709-017-0441-7

Abstract: In this paper, three-scale stochastic elastic finite element analyses are made for recycled aggregateconcrete (RAC) based on nano-indentation digital images.The elastic property of RAC contains uncertainties across scales.Based on homogenization theory, effective stochastic elastic moduli of RAC at three different scalesThe effective elastic properties are used to obtain the global behavior of a composite structure.

Keywords： RAC     nano-indentation digital image     multiscale     microscopic randomness     homogenization    

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Biodegradation of waste refrigerator polyurethane by mealworms

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 3, doi: 10.1007/s11783-023-1638-8

Abstract:

● Waste refrigerator polyurethane (WRPU) was ingested and biodegraded

Keywords： Waste refrigerator polyurethane     Mealworms     Biodegradation     Carbon balance     Gut microorganism    

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Hyperbranched azo polyurethane synthesized through A + B scheme

CHE Pengchao, HE Yaning, WANG Xiaogong

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 1,   Pages 123-126 doi: 10.1007/s11705-007-0078-5

Abstract: A hyperbranched azo polyurethane was synthesized by one-step polymerization of an A type monomer diphenylmethaneThe results show that the azo polyurethane has been successfully synthesized through this scheme.

Keywords： dimethylformamide     one-step polymerization     polyurethane     2-hydroxyethyl     diphenylmethane-4     4′-diisocyanate    

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Investigation on the freeze-thaw damage to the jointed plain concrete pavement under different climate

Shuaicheng GUO, Qingli DAI, Jacob HILLER

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 2,   Pages 227-238 doi: 10.1007/s11709-017-0426-6

Abstract: Freeze-thaw damage is one of the main threats to the long time performance of the concrete pavement incalculation with the Falling Weight Deflectometer (FWD) test results based on the ERES and the Estimation of ConcretePavement Parameters (ECOPP) methods are conducted to obtain concrete slab elastic modulus and the subgrade

Keywords： LTPP     elastic modulus     k-value     IRI     MEPDG    

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Preparation of lignin/TiO2 nanocomposites and their application in aqueous polyurethane coatings

Dongjie Yang, Shengyu Wang, Ruisheng Zhong, Weifeng Liu, Xueqing Qiu

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 1,   Pages 59-69 doi: 10.1007/s11705-018-1712-0

Abstract: particles with excellent ultraviolet (UV) shielding abilities and good compatibilities with waterborne polyurethane

Keywords： lignin     TiO2     nanocomposite particle     polyurethane film    

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using strain energy density as a function of stress triaxiality under quasi-static loading employing elastic-creep& elastic-plastic-creep deformation

Tahir MAHMOOD, Sangarapillai KANAPATHIPILLAI, Mahiuddin CHOWDHURY

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 2,   Pages 181-186 doi: 10.1007/s11465-013-0257-7

Abstract: For comparison, an elastic-creep and elastic-plastic-creep finite element analysis (FEA) is performed

Keywords： elastic-creep     elastic-plastic-creep     stress triaxiality     life prediction     pressure vessels     finite element    

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Microcellular injection molding process for producing lightweight thermoplastic polyurethane with customizable

Thomas ELLINGHAM, Hrishikesh KHARBAS, Mihai MANITIU, Guenter SCHOLZ, Lih-Sheng TURNG

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 1,   Pages 96-106 doi: 10.1007/s11465-018-0498-6

Abstract: core retraction and an “out-of-mold” expansion was developed to manufacture thermoplastic polyurethane

Keywords： thermoplastic polyurethane     microcellular injection molding     cavity expansion     compressive strength     hysteresis    

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3D finite element analysis of composite noise barrier constructed of polyurethane products

Ben DAEE,Hesham El NAGGAR

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 1,   Pages 100-110 doi: 10.1007/s11709-016-0364-8

Abstract: investigation on the structural performance of an innovative noise barrier consisting of poly-block, rigid polyurethane

Keywords： 3D finite element     sound wall     rigid polyurethane foam     poly-wall     numerical model     calibration    

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ratio and the 1,6-hexanediol/dimethylol propionic acid molar ratio on the properties of waterborne polyurethane

Jiao Feng, Qiuhao Lu, Weimin Tan, Kequan Chen, Pingkai Ouyang

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 1,   Pages 80-89 doi: 10.1007/s11705-018-1763-2

Abstract: from bio-based 1,5-pentamethylenediamine, has been used as a hard segmented material to synthesize polyurethaneIn this study, several waterborne polyurethane (WPU) dispersions have been successfully prepared by a

Keywords： 1     5-pentamethylene diisocyanate     polyurethane     water based    

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Optimization of polyurethane-bonded thin overlay mixture designation for airport pavement

Xianrui LI; Ling XU; Qidi ZONG; Fu JIANG; Xinyao YU; Jun WANG; Feipeng XIAO

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 8,   Pages 947-961 doi: 10.1007/s11709-022-0836-y

Abstract: The rapid curing process of polyurethane binder determines the limited time window for mixing and constructionof polyurethane-bonded mixture (PUM), which presents significant difference with hot-mix asphalt (HMA

Keywords： polyurethane-bonded mixture     mix design optimization     airport pavement     thin overlay     gray relational    

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High-gravity-assisted emulsification for continuous preparation of waterborne polyurethane nanodispersion

Weihong Zhang, Dan Wang, Jie-Xin Wang, Yuan Pu, Jian-Feng Chen

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 6,   Pages 1087-1099 doi: 10.1007/s11705-019-1895-z

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surface modified mixed metal oxide nanoparticles on the electrochemical and mechanical properties of polyurethane

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 1,   Pages 1-14 doi: 10.1007/s11705-022-2176-9

Abstract: nanoparticles, 3-amino-1,2,4-triazole (ATA)/SiO2–TiO2 were introduced to the polyurethanemechanical properties due to the addition of ATA/SiO2–TiO2 nanoparticles to the polyurethane

Keywords： SiO2/TiO2 nanoparticle     nanocomposite coatings     dynamic mechanical analysis     electrochemical techniques     corrosion     colloids and interfaces    

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Nonlinear dynamic analysis for elastic robotic arms

M. H. KORAYEM, H. N. RAHIMI

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 2,   Pages 219-228 doi: 10.1007/s11465-011-0218-y

Abstract:

The aim of the paper is to analyze the nonlinear dynamics of robotic arms with elastic links and joints

Keywords： robotic arms     elastic link     elastic joint     nonlinear dynamics     optimal control    

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Title Author Date Type Operation

Development of combined transitional pavement structure for urban tram track-road grade crossings

Journal Article

Nonlinear elastic model for compacted clay concrete interface

R. R. SHAKIR, Jungao ZHU

Journal Article

Three-scale stochastic homogenization of elastic recycled aggregate concrete based on nano-indentation

Chen WANG, Yuching WU, Jianzhuang XIAO

Journal Article

Biodegradation of waste refrigerator polyurethane by mealworms

Journal Article

Hyperbranched azo polyurethane synthesized through A + B scheme

CHE Pengchao, HE Yaning, WANG Xiaogong

Journal Article

Investigation on the freeze-thaw damage to the jointed plain concrete pavement under different climate

Shuaicheng GUO, Qingli DAI, Jacob HILLER

Journal Article

Preparation of lignin/TiO2 nanocomposites and their application in aqueous polyurethane coatings

Dongjie Yang, Shengyu Wang, Ruisheng Zhong, Weifeng Liu, Xueqing Qiu

Journal Article

using strain energy density as a function of stress triaxiality under quasi-static loading employing elastic-creep& elastic-plastic-creep deformation

Tahir MAHMOOD, Sangarapillai KANAPATHIPILLAI, Mahiuddin CHOWDHURY

Journal Article

Microcellular injection molding process for producing lightweight thermoplastic polyurethane with customizable

Thomas ELLINGHAM, Hrishikesh KHARBAS, Mihai MANITIU, Guenter SCHOLZ, Lih-Sheng TURNG

Journal Article

3D finite element analysis of composite noise barrier constructed of polyurethane products

Ben DAEE,Hesham El NAGGAR

Journal Article

ratio and the 1,6-hexanediol/dimethylol propionic acid molar ratio on the properties of waterborne polyurethane

Jiao Feng, Qiuhao Lu, Weimin Tan, Kequan Chen, Pingkai Ouyang

Journal Article

Optimization of polyurethane-bonded thin overlay mixture designation for airport pavement

Xianrui LI; Ling XU; Qidi ZONG; Fu JIANG; Xinyao YU; Jun WANG; Feipeng XIAO

Journal Article

High-gravity-assisted emulsification for continuous preparation of waterborne polyurethane nanodispersion

Weihong Zhang, Dan Wang, Jie-Xin Wang, Yuan Pu, Jian-Feng Chen

Journal Article

surface modified mixed metal oxide nanoparticles on the electrochemical and mechanical properties of polyurethane

Journal Article

Nonlinear dynamic analysis for elastic robotic arms

M. H. KORAYEM, H. N. RAHIMI

Journal Article