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A study on bearing characteristic and failure mechanism of thin-walled structure of a prefabricated subway

Lianjin TAO; Cheng SHI; Peng DING; Sicheng LI; Shang WU; Yan BAO

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 3,   Pages 359-377 doi: 10.1007/s11709-022-0816-2

Abstract: In order to study the bearing performance of a new type of prefabricated subway station structure (PSSSSecondly, the bearing mechanism of a PSSS was investigated in detail., the development law of damages to a thin-walled prefabricated component and the failure evolution mechanismThe results showed that this new type of the PSSS had good bearing capacity.The top arch structure was a three-hinged arch bearing system, and the enclosure structure and the substructure

Keywords： prefabricated subway station     thin-walled components     finite element analysis     bearing characteristic     failure mechanism    

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New pile foundation technology of 21 Century: DX pile

Wang Mengshu,He Dexin,Tang Songtao

Strategic Study of CAE 2012, Volume 14, Issue 1,   Pages 4-12

Abstract:

As a kind of old construction form, pile foundation still plays a tremendous role nowadays. The fast developing and innovation of technology promote new types of pile constantly emerging, which has been a huge success. DX pile is one of those piles and has been widely used. The author illustrates the development, technological characters, advantages, research progress both at home and abroad, and engineering applications of DX pile.

Keywords： DX pile     bearing mechanism     bearing capacity     settlement    

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Analysis of stability and nonlinear response of rotor system with elliptical sliding bearing supports

LU Yanjun, LIU Heng, YU Lie, LI Qi, JIANG Ming, ZHANG Zhiyu

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 1,   Pages 37-45 doi: 10.1007/s11465-007-0006-x

Abstract: A method, which is a combination of predictor corrector mechanism and Newton Raphson method, is presentedto calculate equilibrium position and critical speed corresponding to Hopf bifurcation point of bearing-rotorsystem, as by-product dynamic coefficients of bearing are obtained.The timescale, i.e., the unknown whirling period of Hopf bifurcation solution of bearing-rotor system

Keywords： computational     corrector mechanism     predictor corrector     multisolution     quasiperiodic    

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Stability and coupling dynamic behavior of nonlinear journal active electromagnetic bearing rotor system

LU Yanjun, HEI Di, WANG Yuan, DAI Rong, LU Yanjun, LIU Heng, YU Lie

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 2,   Pages 193-199 doi: 10.1007/s11465-008-0023-4

Abstract: The stability and coupling dynamic behavior of a journal active electromagnetic bearing rotor systemA method combining the predictor-corrector mechanism and the Netwon-Raphson method is presented to calculateFor periodic motions, a continuation method combining the predictor-corrector mechanism and shooting

Keywords： proportional integral     bifurcation     corresponding     integral differential     predictor-corrector mechanism    

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Bending failure performance of a shield tunnel segment based on full-scale test and numerical analysis

Frontiers of Structural and Civil Engineering   Pages 1033-1046 doi: 10.1007/s11709-023-0973-y

Abstract: the influence of the reinforcement ratio and proportion of tensile longitudinal reinforcement on the bearingthe segment to effectively use the reinforcement and exert the design strength, thereby improving the bearing

Keywords： shield tunnel     bearing capacity     failure mechanism     segment reinforcement    

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Damage propagation and strength prediction of a single-lap interference-fit laminate structure

Peng ZOU, Xiangming CHEN, Hao CHEN, Guanhua XU

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 4,   Pages 558-570 doi: 10.1007/s11465-020-0591-5

Abstract: on the bolted interference fit of a single-lap laminated structure to reveal the damage propagation mechanismThe deformation and damage propagation of the specimen were analyzed, and the failure mechanism of intralaminarload–displacement curves were compared to validate the developed model’s reliability, and the ultimate bearing

Keywords： single-lap     interference fit     secondary bending moment     damage mechanism     bearing strength    

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Iterative HOEO fusion strategy: a promising tool for enhancing bearing fault feature

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11465-022-0725-z

Abstract: techniques, the energy operator (EO) and its variants have received considerable attention in the field of bearingTo address these issues, this paper presents a novel EO fusion strategy for enhancing the bearing faultand experimental verifications confirm that the proposed strategy is more effective for enhancing the bearing

Keywords： higher order energy operator     fault diagnosis     manifold learning     rolling element bearing     information    

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New analysis model for rotor-bearing systems based on plate theory

Zhinan ZHANG, Mingdong ZHOU, Weimin DING, Huifang MA

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 4,   Pages 461-473 doi: 10.1007/s11465-019-0525-2

Abstract: The purpose of this work is to develop a new analysis model for angular-contact, ball-bearing systemsThe new analysis model is suitable for static and modal analyses of rotor-bearing systems.

Keywords： rotor-bearing system     rolling element bearing     plate theory     finite element analysis    

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Model test study on load bearing mechanism of DX pile

Li Zhong,Zhang Hang,Gu Yuan,Nan Yong,Chen Lihong

Strategic Study of CAE 2012, Volume 14, Issue 1,   Pages 86-89

Abstract: The results show that the DX pile is superior to straight pile both on bearing capacity and settlementbell bears more than that of the below, but with the total load increasing, the below bell’s bearing

Keywords： DX pile     model test     strain gage     settlement    

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API-based assessment on urban air environment bearing capability in China

Jinnan WANG,Jing ZHANG,Hongqiang JIANG,Yaling LU

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 6,   Pages 1049-1055 doi: 10.1007/s11783-014-0662-0

Abstract: By using this new method, the air environmental bearing capability of 333 cities at the prefecture levelThe results show that of the 333 cities 9.6% is of high bearing capability, 34.5% relatively high bearingcapability, 52.6% medium bearing capability, 2.7% low capability, and 0.6% is of weak bearing capability; in terms of regional distribution, the western region is of relatively high air environment bearingChengdu-Chongqing agglomerations are of relatively high carrying capacity while other agglomerations are of medium bearing

Keywords： air pollution index (API)     air environment bearing capability     key city     assessment method    

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The convexity about ultimate bearing hypersurfaces of structures

Chengxi GUO,Tingting GUO

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 4,   Pages 456-461 doi: 10.1007/s11709-016-0334-1

Abstract: The relationship between the convexity on the ultimate bearing surface of a structure and the second-orderHessian matrix composed of the second-order partial derivatives on the hypersurface about the ultimate bearingSome applications in the analysis of bearing capacity of structures were illustrated with examples.The study shows that an evaluation about the bearing capacity state of a complex structure can be madeon the basis of several points on the surface of the ultimate bearing of the structure.

Keywords： service     limit load     ultimate bearing surface     convexity     generalized force     generalized displacement     frame    

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Foundations bearing capacity subjected to seepage by the kinematic approach of the limit analysis

Mehdi VEISKARAMI, Ghasem HABIBAGAHI

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 4,   Pages 446-455 doi: 10.1007/s11709-013-0227-5

Abstract: The kinematic approach of the limit analysis was employed to find the upper-bound limit of the bearingIt was found that the bearing capacity has a decreasing trend with increase in the groundwater flow gradientand hence, a reduction factor has been introduced to the third term in the bearing capacity equation

Keywords： foundation     bearing capacity     limit analysis     numerical computation     plasticity     seepage    

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Undrained seismic bearing capacity of strip footing adjacent to a heterogeneous excavation

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 4,   Pages 566-583 doi: 10.1007/s11709-023-0905-x

Abstract: The analysis of the bearing capacity of strip footings sited near an excavation is critical in geotechnicseffects of the geometrical features of the excavation and the soil strength properties on the seismic bearingDesign charts and tables were produced to clarify the relationship between the undrained seismic bearing

Keywords： excavation     finite element limit analysis     heterogeneous soil     strip footing     undrained bearing capacity    

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Numerical analysis for castedinplace DX pile groups

Wan Fei,Zhang Dehua

Strategic Study of CAE 2012, Volume 14, Issue 1,   Pages 46-50

Abstract: Analysis of the influence of pile spacing and plate arrangement to ultimate bearing capacity and settlementcontrol, and comparison of the ultimate bearing capacity of straight pile group with 8 piles with theThe result indicates that the pile of DX pile group has the same bearing mechanism with the DX singleThe displacement of the soil below the bearing plate is greater than that above the bearing plate, whichThe ultimate bearing capacity of DX pile group with 6 piles is as 1.27 times as the straight pile group

Keywords： pile foundation     ultimate bearing mechanism     numerical analysis     DX pile group    

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Influence of the Mechanical Seals on the Dynamic Performance of Rotor–Bearing Systems

XU Hua, ZHU Jun

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 1,   Pages 96-100 doi: 10.1007/s11465-005-0008-5

Abstract: the transfer matrix method are used to establish the equations for the dynamics performance of rotor bearingTo check the response of the rotor bearing system under unbalance motivation, the Gauss method is usedthat may affect the dynamic performance and forced vibration under unbalance motivation of the rotor bearingThe analysis results show that the mechanical seal more or less has effects on the rotor bearing systemThe mechanical seal has much more effects on the flexible rotor bearing system than on the rigid one.
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Title Author Date Type Operation

A study on bearing characteristic and failure mechanism of thin-walled structure of a prefabricated subway

Lianjin TAO; Cheng SHI; Peng DING; Sicheng LI; Shang WU; Yan BAO

Journal Article

New pile foundation technology of 21 Century: DX pile

Wang Mengshu,He Dexin,Tang Songtao

Journal Article

Analysis of stability and nonlinear response of rotor system with elliptical sliding bearing supports

LU Yanjun, LIU Heng, YU Lie, LI Qi, JIANG Ming, ZHANG Zhiyu

Journal Article

Stability and coupling dynamic behavior of nonlinear journal active electromagnetic bearing rotor system

LU Yanjun, HEI Di, WANG Yuan, DAI Rong, LU Yanjun, LIU Heng, YU Lie

Journal Article

Bending failure performance of a shield tunnel segment based on full-scale test and numerical analysis

Journal Article

Damage propagation and strength prediction of a single-lap interference-fit laminate structure

Peng ZOU, Xiangming CHEN, Hao CHEN, Guanhua XU

Journal Article

Iterative HOEO fusion strategy: a promising tool for enhancing bearing fault feature

Journal Article

New analysis model for rotor-bearing systems based on plate theory

Zhinan ZHANG, Mingdong ZHOU, Weimin DING, Huifang MA

Journal Article

Model test study on load bearing mechanism of DX pile

Li Zhong,Zhang Hang,Gu Yuan,Nan Yong,Chen Lihong

Journal Article

API-based assessment on urban air environment bearing capability in China

Jinnan WANG,Jing ZHANG,Hongqiang JIANG,Yaling LU

Journal Article

The convexity about ultimate bearing hypersurfaces of structures

Chengxi GUO,Tingting GUO

Journal Article

Foundations bearing capacity subjected to seepage by the kinematic approach of the limit analysis

Mehdi VEISKARAMI, Ghasem HABIBAGAHI

Journal Article

Undrained seismic bearing capacity of strip footing adjacent to a heterogeneous excavation

Journal Article

Numerical analysis for castedinplace DX pile groups

Wan Fei,Zhang Dehua

Journal Article

Influence of the Mechanical Seals on the Dynamic Performance of Rotor–Bearing Systems

XU Hua, ZHU Jun

Journal Article