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Seismic behavior of cantilever wall embedded in dry and saturated sand

Sanku KONAI, Aniruddha SENGUPTA, Kousik DEB

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 3,   Pages 690-705 doi: 10.1007/s11709-020-0615-6

Abstract: loading condition is investigated by shake table tests in the laboratory and numerically using software FLAC2D

Keywords： embedded cantilever wall     shake table test     FLAC2D     seismic loading     saturated and dry sand    

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第四届设计、机械和材料工程国际会议(D2ME 2019)

Conference Date: 26 Sep 2019

Conference Place: 釜山，韩国

Administered by: HKSME

The behavior of a rectangular closed diaphragm wall when used as a bridge foundation

Qiangong CHENG, Jiujiang WU, Zhang SONG, Hua WEN

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 4,   Pages 398-420 doi: 10.1007/s11709-012-0175-5

Abstract: Using the FLAC3D software, this paper investigates the deformation properties, soil resistance and skin

Keywords： diaphragm wall     soil core     bridge foundation     FLAC3D     bearing behavior    

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Three-dimensional numerical modeling of single geocell-reinforced sand

Xiaoming YANG, Jie HAN, Robert L. PARSONS, Dov LESHCHINSKY,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 2,   Pages 233-240 doi: 10.1007/s11709-010-0020-7

Abstract: This paper summarizes the development of a three-dimensional numerical model for analyzing single geocell-reinforced soil. In this model, the infill soil was modeled using the Duncan-Chang model, which can simulate non-linearity and stress-dependency of soil. Geocell was modeled using linearly elastic plate elements, which can carry both bending and membrane stresses. A linear interface stress-strain relationship with a Mohr-Coulomb yield criterion was adopted to model the interface friction between the geocell wall and the soil. By modeling the geocell and the soil separately, the interaction between the soil and the geocell can be accurately simulated. To verify this model, a plate load test was conducted in the laboratory, in which a 12-cm-thick sand layer reinforced by a single geocell was subjected to a vertical load from a circular steel plate. The load-displacement curves and the horizontal tensile strain of the geocell were recorded during the test. A numerical model was created according to the setup of the load test. The numerical results compared reasonably well with the test data.

Keywords： geosynthetic reinforcement     geocell     numerical model     FLAC3D    

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第四届设计、机械和材料工程国际会议(D2ME 2019)

Conference Date: 26 Sep 2019

Conference Place: 釜山，韩国

Administered by: HKSME

Development of Bioimplants with 2D, 3D, and 4D Additive Manufacturing Materials Review

Guo Liu, Yunhu He, Pengchao Liu, Zhou Chen, Xuliang Chen, Lei Wan, Ying Li, Jian Lu

Engineering 2020, Volume 6, Issue 11,   Pages 1232-1243 doi: 10.1016/j.eng.2020.04.015

Abstract: However, 3D printable materials are still quite limited for the fabrication of bioimplants.In this work, 2D/3D AM materials for bioimplants are reviewed.complex and dynamic biological structures in the human body based on 4D printing hybrid ceramic precursorprinting technology, the development of bioimplants and soft/rigid hybrid biological structures with 2D/3D/4D AM materials can be anticipated.

Keywords： Bioprinting     2D additive manufacturing     3D printing     4D printing     Bioimplants    

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Simulation of abrasive flow machining process for 2D and 3D mixture models

Rupalika DASH,Kalipada MAITY

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 4,   Pages 424-432 doi: 10.1007/s11465-015-0366-6

Abstract: In the current work, a 2D model was designed, and the flow analysis, force calculation, and materialAnother 3D model for a swaging die finishing using AFM was simulated at different viscosities of the

Keywords： abrasive flow machining (AFM)     computational fluid dynamics (CFD) modeling     mixture model    

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Efficient production of D-1,2,4-butanetriol from D-xylose by engineered

Shewei Hu, Qian Gao, Xin Wang, Jianming Yang, Nana Xu, Kequan Chen, Sheng Xu, Pingkai Ouyang

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 4,   Pages 772-779 doi: 10.1007/s11705-018-1731-x

Abstract: We have developed a whole-cell bioconversion system for the production of D-1,2,4-butanetriol (BT) fromconstructed and transformed to BL21(DE3) to obtain the whole cells of BL21- capable of bioconversion D-xylose

Keywords： D-1     2     4-butanetriol     whole-cell bioconversion     carbon source     nitrogen sources     metal ions     culture conditions    

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Performance Optimization Analysis of 2D - OOSC Codeword for OCDMA System

Li Chuanqi,Sun Xiaohan,Zhang Mingde,Ding Dong

Strategic Study of CAE 2003, Volume 5, Issue 4,   Pages 50-54

Abstract:

The scheme of 2-dimensions optical orthogonal square codes (2D - OOSC) in optical code-division multiple-accessthe total transmitting capacity of the system will reach the level of Tb/s, and the performance of 2D

Keywords： optical code division multiple access (OCDMA)     2-dimensions optical orthogonal square codes (2D-OOSC)    

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Magnetic Co-doped 1D/2D structured -FeO/MoS effectively activated peroxymonosulfate for efficient abatement

Frontiers of Environmental Science & Engineering 2023, Volume 18, Issue 3, doi: 10.1007/s11783-024-1797-2

Abstract:

● Magnetic Co- γ -Fe2O3/MoS2

Keywords： Magnetic Co-γ-Fe2O3/MoS2     Hydrothermal method     Bisphenol A     Degradation    

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Seepage analysis of Upper Gotvand Dam concerning gypsum karstification (2D and 3D approaches)

Jamshid SADREKARIMI, Majid KIYANI, Behnam FAKHRI, Mohammad Javad VAHDATIRAD, Amin BARARI

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 1,   Pages 71-78 doi: 10.1007/s11709-010-0083-5

Abstract: In this paper, 2D and 3D models of the dam together with the foundation and abutments were establishedIt was disclosed that the discharge fluxes obtained from 2D and 3D analyses are not similar, and thedischarge flux in 3D model is about four times that of the 2D model.Also, the 3D model locates the phreatic surface somewhat higher than the 2D model.This means that the 2D model estimates lower pore water pressure pattern in comparison with the 3D model

Keywords： Upper Gotvand Dam     seepage analysis     gypsum veins     3D model     discharge flux    

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Visualization of force networks in 2D dense granular materials

Jianguo LIU, Qicheng SUN, Feng JIN,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 1,   Pages 109-115 doi: 10.1007/s11709-010-0003-8

Abstract: Dense granular matter is a conglomeration of discrete solid and closely packed particles. As subjected to external loadings, the stress is largely transmitted by heavily stressed chains of particles forming a sparse network of larger contact forces. To understand the structure and evolution of force chains, a photoelastic technique was improved for determining stresses and strains in the assemblies of photoelastic granular disks in this paper. A two-dimensional vertical slab was designed. It contains 7200 polydispersed photoelastic disks and is subjected to a localized probe penetrating at the top of the slab to mimic the cone penetration test. The interparticle contact force distribution was found a peak around the mean value, a roughly exponential tail for greater force and a dip toward zero for smaller force. The force chain network around the probe tip was depicted, and the contact angle distribution of particles in force chains was found to be well aligned in the directions of major principal stress.

Keywords： granular matter     force chain     multiscale modeling    

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microextraction approach for rapid extraction and separation of Mn(II) and Co(II) using saponified D2EHPA

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 6,   Pages 963-972 doi: 10.1007/s11705-021-2081-7

Abstract: sulfate solution simulating leachate of spent lithium-ion battery cathode materials using saponified di-(2-

Keywords： extraction equilibrium     mass transfer coefficient     microextraction     multicomponent extraction     di-(2-    

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for the determination of vertically loaded pile-soil interface parameters in layered soil based on FLAC

Jiu-jiang WU,Yan LI,Qian-gong CHENG,Hua WEN,Xin LIANG

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 1,   Pages 103-111 doi: 10.1007/s11709-015-0328-4

Abstract: The numerical analysis of pile-soil interaction commonly requires a lot of trial works to determine the interface parameters and the accuracy cannot be ensured normally. Considering this, this paper first conducts a sensitivity analysis to figure out the influence of interface parameters on the bearing behavior of a single pile in sand. Then, a simplified method for the determination of pile-soil interface parameters in layered soil is proposed based on the parameter studies. Finally, a filed loading test is used for the validation of the simplified method, and the calculated results agree well with the monitoring data. In general, the simplified method proposed in this paper works with higher accuracy and consumes less time compared with the traditional trial works, especially on the determinations of interfacial cohesive and interfacial friction angle.

Keywords： determination of interface parameters     pile-soil interaction     FLAC3D     sensitivity analysis     layered    

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Title Author Date Type Operation

Seismic behavior of cantilever wall embedded in dry and saturated sand

Sanku KONAI, Aniruddha SENGUPTA, Kousik DEB

Journal Article

第四届设计、机械和材料工程国际会议(D2ME 2019)

26 Sep 2019

Conference Information

The behavior of a rectangular closed diaphragm wall when used as a bridge foundation

Qiangong CHENG, Jiujiang WU, Zhang SONG, Hua WEN

Journal Article

Three-dimensional numerical modeling of single geocell-reinforced sand

Xiaoming YANG, Jie HAN, Robert L. PARSONS, Dov LESHCHINSKY,

Journal Article

第四届设计、机械和材料工程国际会议(D2ME 2019)

26 Sep 2019

Conference Information

Development of Bioimplants with 2D, 3D, and 4D Additive Manufacturing Materials

Guo Liu, Yunhu He, Pengchao Liu, Zhou Chen, Xuliang Chen, Lei Wan, Ying Li, Jian Lu

Journal Article

Simulation of abrasive flow machining process for 2D and 3D mixture models

Rupalika DASH,Kalipada MAITY

Journal Article

Masoud Mahjouri-Samani: Laser-based synthesis and Processing of 2D Quantum Materials（2019.10.10）

23 Apr 2021

Conference Videos

Efficient production of D-1,2,4-butanetriol from D-xylose by engineered

Shewei Hu, Qian Gao, Xin Wang, Jianming Yang, Nana Xu, Kequan Chen, Sheng Xu, Pingkai Ouyang

Journal Article

Performance Optimization Analysis of 2D - OOSC Codeword for OCDMA System

Li Chuanqi,Sun Xiaohan,Zhang Mingde,Ding Dong

Journal Article

Magnetic Co-doped 1D/2D structured -FeO/MoS effectively activated peroxymonosulfate for efficient abatement

Journal Article

Seepage analysis of Upper Gotvand Dam concerning gypsum karstification (2D and 3D approaches)

Jamshid SADREKARIMI, Majid KIYANI, Behnam FAKHRI, Mohammad Javad VAHDATIRAD, Amin BARARI

Journal Article

Visualization of force networks in 2D dense granular materials

Jianguo LIU, Qicheng SUN, Feng JIN,

Journal Article

microextraction approach for rapid extraction and separation of Mn(II) and Co(II) using saponified D2EHPA

Journal Article

for the determination of vertically loaded pile-soil interface parameters in layered soil based on FLAC

Jiu-jiang WU,Yan LI,Qian-gong CHENG,Hua WEN,Xin LIANG

Journal Article