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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-orderwhen the Hessian matrix composed of the second-order partial derivatives on the hypersurface about the ultimatebearing of the structure is negative definite.Some applications in the analysis of bearing capacity of structures were illustrated with examples.on 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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Ultimate bearing capacity of strip footing resting on clay soil mixed with tire-derived aggregates

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4,   Pages 1016-1024 doi: 10.1007/s11709-021-0751-7

Abstract: investigated the use of recycled tire-derived aggregate (TDA) mixed with kaolin as a method of increasing the ultimatebearing capacity ( UBC) of a strip footing.

Keywords： kaolin     physical modeling tests     stabilization     numerical modeling    

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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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The influence of hand hole on the ultimate strength and crack pattern of shield tunnel segment joints

Shaochun WANG, Xi JIANG, Yun BAI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 5,   Pages 1200-1213 doi: 10.1007/s11709-019-0546-2

Abstract: Special attention is paid to failure mode and structural performance (bearing capacity, deformation,The segment joint with MSSF shows higher ultimate bearing capacity and toughness compared to segment

Keywords： shield tunneling     structural synthetic fiber concrete     hand hole     segment joint     ultimate bearing capacity    

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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: process can be divided into four stages: the elastic stage, working stage with cracks, failure stage, and ultimateThe characteristic loads between contiguous stages are the cracking, failure, and ultimate loads.the influence of the reinforcement ratio and proportion of tensile longitudinal reinforcement on the bearinglongitudinal reinforcement had little effect on the cracking load but significantly influenced the failure and ultimatethe 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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The application of DX piles in the LNG storage tanks

He Dexin,Zhang Chengwei,Zheng Jianhua,He Jiantong and Zhang Xinsheng

Strategic Study of CAE 2012, Volume 14, Issue 1,   Pages 19-25

Abstract: The purpose is to determine the ultimate bearing capacities and settlement of piles, analyze its loadtransfer mechanism, and study the distribution and development of the skin friction resistances andComparing DX piles with straight piles, we find that DX piles are superior in ultimate bearing capacities

Keywords： DX piles     skin friction resistances     tip resistances     ultimate bearing capacities     settlement    

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Numerical investigation of the ultimate lateral resistance of piles in soft clay

Konstantinos P. TZIVAKOS,Michael J. KAVVADAS

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 2,   Pages 194-200 doi: 10.1007/s11709-014-0251-0

Abstract: The determination of the ultimate soil resistance from the results of the finite element analyses aimsat providing the estimation of a range of values for the ultimate soil resistance coefficient with

Keywords： laterally loaded     pile     soft clay     p?y curves     finite element method (FEM)    

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Parametric analysis and design equation of ultimate capacity for unstiffened overlapped CHS K-joints

CHEN Yu, ZHAO Xianzhong, CHEN Yiyi

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 2,   Pages 107-115 doi: 10.1007/s11709-008-0014-x

Abstract: unstiffened, overlapped circular hollow structure (CHS) K-joints was generated and validated by comparing the ultimategeometric parameters, with or without hidden welds, and the loading hierarchy reversal of braces on the ultimateanalysis indicate that the brace-to-chord thickness ratio has relatively large effects on the failure mechanismand ultimate capacity of overlapped joints.It was also found that the absence of hidden welds has less significance on the ultimate capacity of

Keywords： regression analysis     consistent     unstiffened     plasticity     overlapped    

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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 intralaminarsimulated load–displacement curves were compared to validate the developed model’s reliability, and the ultimatebearing strengths under different fit percentages were predicted.

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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Title Author Date Type Operation

The convexity about ultimate bearing hypersurfaces of structures

Chengxi GUO,Tingting GUO

Journal Article

Ultimate bearing capacity of strip footing resting on clay soil mixed with tire-derived aggregates

Journal Article

Numerical analysis for castedinplace DX pile groups

Wan Fei,Zhang Dehua

Journal Article

The influence of hand hole on the ultimate strength and crack pattern of shield tunnel segment joints

Shaochun WANG, Xi JIANG, Yun BAI

Journal Article

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

The application of DX piles in the LNG storage tanks

He Dexin,Zhang Chengwei,Zheng Jianhua,He Jiantong and Zhang Xinsheng

Journal Article

Numerical investigation of the ultimate lateral resistance of piles in soft clay

Konstantinos P. TZIVAKOS,Michael J. KAVVADAS

Journal Article

Parametric analysis and design equation of ultimate capacity for unstiffened overlapped CHS K-joints

CHEN Yu, ZHAO Xianzhong, CHEN Yiyi

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