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Moment-curvature relationship of FRP-concrete-steel double-skin tubular members

Mingxue LIU, Jiaru QIAN

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 1,   Pages 25-31 doi: 10.1007/s11709-009-0012-7

Abstract: conducted on 3 specimens to study the flexural behavior of fiber reinforced polymer (FRP)-concrete-steel double-skintubular members (DSTMs).A theoretical formula is presented for the flexural strength of DSTMs., simulation and theoretical analysis resulted in a simplified formula for the flexural strength of DSTMstri-linear moment-curvature model was expressed as a function of the section bending stiffness for DSTMs

Keywords： fiber reinforced polymer (FRP)     concrete     steel     double-skin tubular members (DSTMs)     moment-curvature curve    

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Heating energy savings potential from retrofitting old apartments with an advanced double-skin façade

Yeo Beom YOON, Byeongmo SEO, Brian Baewon KOH, Soolyeon CHO

Frontiers in Energy 2020, Volume 14, Issue 2,   Pages 224-240 doi: 10.1007/s11708-020-0801-1

Abstract: This paper proposes an advanced double-skin façade (DSF) system to replace existing balcony windows in

Keywords： double-skin façade     retrofitting     high-rise apartment     heating energy     building simulation    

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Behavior of concrete-filled double skin steel tubular columns with octagon section under axial compression

YANG Junjie, PENG Guojun, XU Hanyong

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 3,   Pages 205-210 doi: 10.1007/s11709-008-0035-5

Abstract: Based on some conclusions of two kinds of concrete-filled double skin steel tube (CFDSST) members withBehaviors of the CFDSST members with octagon section subjected to axial compression are investigated,and some curves of load-strain of steel tubes and confined concrete and the bearing capacity of membersthat with square section and is smaller than that with circular section, and the bearing capacity of members

Keywords： mathematical     numerical     compression     stress-strain relationship     straight    

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Numerical study of thermal characteristics of double skin facade system with middle shade

Shaoning LIU, Xiangfei KONG, Hua YANG, Minchao FAN, Xin ZHAN

Frontiers in Energy 2021, Volume 15, Issue 1,   Pages 222-234 doi: 10.1007/s11708-017-0480-8

Abstract: A new shade combined with the double skin façade (DSF) system, called middle shade (MS), was introduced

Keywords： middle shade     position     thermal characteristics     double skin facade    

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A numerical study of prestressed high strength steel tubular members

Michaela GKANTOU, Marios THEOFANOUS, Charalampos BANIOTOPOULOS

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 1,   Pages 10-22 doi: 10.1007/s11709-019-0547-1

Abstract: The structural behavior of prestressed high strength steel (HSS) tubular members is investigated throughNumerical models are developed and validated against published experimental data on HSS tubular membersThe effect of the presence or absence of grouting on the strength and ductility of the members is alsoAs anticipated, prestressing enhances the load-bearing capacity for the tensile members, whereas it isDesign guidance for tensile and compressive prestressed tubular members is also provided.

Keywords： finite element     prestressing     tubular members     grout     high strength steel    

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Deformation analysis of shape memory polymer for morphing wing skin under airflow

Weilong YIN, Jingcang LIU, Jinsong LENG,

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 4,   Pages 447-449 doi: 10.1007/s11465-009-0062-5

Abstract: The method for analyzing the out-of-plane deformation of a flexible skin under airflow is developed inthe present study is to investigate the out-of-plane deformation of the shape memory polymer (SMP) skinNumerical results show that the maximum out-of-plane displacement of the SMP skin increases with increasingWhen the SMP skin is heated to 53°C, the maximum out-of-plane displacement is about 7 mm.It decreases by 72%, when the SMP skin is applied with a uniform pre-strain of 0.1.

Keywords： aircraft     morphing     skin     shape memory polymer (SMP)     deformation     pre-strain    

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Experiment on aluminum alloy members under axial compression

Xiaonong GUO,Shuiping LIANG,Zuyan SHEN

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 1,   Pages 48-64 doi: 10.1007/s11709-014-0271-9

Abstract: To improve the design methods of Chinese aluminum alloy members, experiment of 63 profiled aluminum alloymembers, made of Chinese aluminum alloy 6061-T6, under axial compression is conducted in this paper.Furthermore, for the purpose of creating column curves, the aluminum alloy members under the axial compression

Keywords： aluminum alloy     column curve     compression members     overall stability coefficient    

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Performance study on T-stub connected semi-rigid joint between rectangular tubular columns and H-shaped

Guochang LI, Hongping YU, Chen FANG

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 3,   Pages 296-303 doi: 10.1007/s11709-013-0217-7

Abstract: This paper investigates the performance of T-stub connected semi-rigid joint of rectangular tubular columns

Keywords： rectangular tubular columns     T-stub     semi-rigid     nonlinear finite element analysis     moment-rotation curves    

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The critical importance of epigenetics in autoimmune-related skin diseases

Frontiers of Medicine 2023, Volume 17, Issue 1,   Pages 43-57 doi: 10.1007/s11684-022-0980-8

Abstract: Autoimmune-related skin diseases are a group of disorders with diverse etiology and pathophysiology involveddiscuss the most recent findings regarding the function of epigenetic mechanisms in autoimmune-related skindisorders, including systemic lupus erythematosus, bullous skin diseases, psoriasis, and systemic sclerosis

Keywords： epigenetics     autoimmune-related skin diseases     DNA methylation     histone modifications     noncoding RNAs    

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Estimating moment capacity of ferrocement members using self-evolving network

Abdussamad ISMAIL

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 4,   Pages 926-936 doi: 10.1007/s11709-019-0527-5

Abstract: model is meant to serve as a simple but reliable tool for estimating the moment capacity of ferrocement membersdata indicated that the models are capable of accurately estimating the moment capacity of ferrocement members

Keywords： ferrocement     moment capacity     self-evolving neural network    

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Intermediate HSS bracing members during seismic excitations: modeling, design, and behavior

Madhar HADDAD

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 1,   Pages 148-162 doi: 10.1007/s11709-016-0375-5

Abstract: Concentric hollow structural section (HSS) bracing members are used frequently in steel framed structuralstress-strain curves are directly obtained from tests on stub-columns extracted from the full scale HSS bracing members

Keywords： HSS     FEM     stress-strain curves     damage model    

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Hyperthermia on skin immune system and its application in the treatment of human papillomavirus-infectedskin diseases

Xinghua Gao, Hongduo Chen

Frontiers of Medicine 2014, Volume 8, Issue 1,   Pages 1-5 doi: 10.1007/s11684-014-0309-3

Abstract: Hyperthermia has also been used to treat deep fungal, bacterial, and viral skin infections.We conducted a series of open or controlled trials to treat skin human papillomavirus infection by inducing

Keywords： hyperthermia     HPV     immune response     virus     tumor    

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Risk stratification system for skin and soft tissue infections after allogeneic hematopoietic stem cell

Frontiers of Medicine 2022, Volume 16, Issue 6,   Pages 957-968 doi: 10.1007/s11684-021-0910-1

Abstract: Skin and soft tissue infections (SSTIs) refer to infections involving the skin, subcutaneous tissue,

Keywords： skin and soft tissue infections     hematopoietic stem cell transplantation     risk stratification system    

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Numerical modelling of reinforced concrete flexural members strengthened using textile reinforced mortars

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 4,   Pages 649-668 doi: 10.1007/s11709-023-0919-4

Abstract: Externally bonded (EB) and near-surface mounted (NSM) bonding are two widely adopted and researched strengthening methods for reinforced-concrete structures. EB composite substrates are easy to reach and repair using appropriate surface treatments, whereas NSM techniques can be easily applied to the soffit and concrete member sides. The EB bonded fiber-reinforced polymer (FRP) technique has a significant drawback: combustibility, which calls for external protective agents, and textile reinforced mortar (TRM), a class of EB composites that is non-combustible and provides a similar functionality to any EB FRP-strengthened substrate. This study employs a finite element analysis technique to investigate the failing failure of carbon textile reinforced mortar (CTRM)-strengthened reinforced concrete beams. The principal objective of this numerical study was to develop a finite element model and validate a set of experimental data in existing literature. A set of seven beams was modelled and calibrated to obtain concrete damage plasticity (CDP) parameters. The predicted results, which were in the form of load versus deflection, load versus rebar strain, tensile damage, and compressive damage patterns, were in good agreement with the experimental data. Moreover, a parametric study was conducted to verify the applicability of the numerical model and study various influencing factors such as the concrete strength, internal reinforcement, textile roving spacing, and externally-applied load span. The ultimate load and deflection of the predicted finite element results had a coefficient of variation (COV) of 6.02% and 5.7%, respectively. A strain-based numerical comparison with known methods was then conducted to investigate the debonding mechanism. The developed finite element model can be applied and tailored further to explore similar TRM-strengthened beams undergoing debonding, and the preventive measures can be sought to avoid premature debonding.

Keywords： fiber reinforced polymer     textile reinforced mortar     finite element analysis     concrete damage plasticity     calibration and validation     parametric study    

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Thermal response of steel framing members in open car park fires

Xia YAN; Marion CHARLIER; Thomas GERNAY

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 9,   Pages 1071-1088 doi: 10.1007/s11709-022-0879-0

Abstract: However, this design approach requires an accurate assessment of temperatures in structural members exposedThis paper describes a numerical study on the thermal exposure on steel framing members in open car parkDetailed temperature distributions obtained in the steel members can be used to complete efficient structural

Keywords： open car park     localized fire     steel frame     numerical modeling     computational fluid dynamics    

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Title Author Date Type Operation

Moment-curvature relationship of FRP-concrete-steel double-skin tubular members

Mingxue LIU, Jiaru QIAN

Journal Article

Heating energy savings potential from retrofitting old apartments with an advanced double-skin façade

Yeo Beom YOON, Byeongmo SEO, Brian Baewon KOH, Soolyeon CHO

Journal Article

Behavior of concrete-filled double skin steel tubular columns with octagon section under axial compression

YANG Junjie, PENG Guojun, XU Hanyong

Journal Article

Numerical study of thermal characteristics of double skin facade system with middle shade

Shaoning LIU, Xiangfei KONG, Hua YANG, Minchao FAN, Xin ZHAN

Journal Article

A numerical study of prestressed high strength steel tubular members

Michaela GKANTOU, Marios THEOFANOUS, Charalampos BANIOTOPOULOS

Journal Article

Deformation analysis of shape memory polymer for morphing wing skin under airflow

Weilong YIN, Jingcang LIU, Jinsong LENG,

Journal Article

Experiment on aluminum alloy members under axial compression

Xiaonong GUO,Shuiping LIANG,Zuyan SHEN

Journal Article

Performance study on T-stub connected semi-rigid joint between rectangular tubular columns and H-shaped

Guochang LI, Hongping YU, Chen FANG

Journal Article

The critical importance of epigenetics in autoimmune-related skin diseases

Journal Article

Estimating moment capacity of ferrocement members using self-evolving network

Abdussamad ISMAIL

Journal Article

Intermediate HSS bracing members during seismic excitations: modeling, design, and behavior

Madhar HADDAD

Journal Article

Hyperthermia on skin immune system and its application in the treatment of human papillomavirus-infectedskin diseases

Xinghua Gao, Hongduo Chen

Journal Article

Risk stratification system for skin and soft tissue infections after allogeneic hematopoietic stem cell

Journal Article

Numerical modelling of reinforced concrete flexural members strengthened using textile reinforced mortars

Journal Article

Thermal response of steel framing members in open car park fires

Xia YAN; Marion CHARLIER; Thomas GERNAY

Journal Article