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Estimation of relations among hysteretic response measures and design parameters for RC rectangular shear

A. ARAB, Ma. R. BANAN, Mo. R. BANAN, S. FARHADI

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 1,   Pages 3-15 doi: 10.1007/s11709-017-0418-6

Abstract: Seismic design of RC structures requires estimation of structural member behavioral measures as functionsstudy, the relations among cyclic behavioral measures and design parameters have been investigated for rectangularRC shear walls using numerical simulations calibrated based on the published laboratory tests.The OpenSEES numerical simulations modeling of plastic hinge hysteretic behavior of RC shear walls and, plastic moment capacity, yield and ultimate displacements, flexural shear capacity, and dissipated

Keywords： RC wall hysteretic measures     RC wall design parameters     empirical relations     numerical simulations     RC rectangularwall plastic hinge    

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Effect of RC wall on the development of plastic rotation in the beams of RC frame structures

Amar KAHIL, Aghiles NEKMOUCHE, Said BOUKAIS, Mohand HAMIZI, Naceur Eddine HANNACHI

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 3,   Pages 318-330 doi: 10.1007/s11709-017-0420-z

Abstract: Then the work has focused on the behavior of a RC frame with 3 levels and three bays to better visualizethe behavior of plastic hinges.Once the plastic hinge control parameters are identified (plastic rotation, ultimate curvature), a strengtheningby introduction of reinforced concrete walls (RC/wall) at the ends of the reinforced concrete frame(RC/frame) has been performed.

Keywords： RC/frame     RC/wall     moment curvature     plastic rotation     plastic hinge     pushover analysis     global models    

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Diaphragm wall-soil-cap interaction in rectangular-closed- diaphragm-wall bridge foundations

Hua WEN, Qiangong CHENG, Fanchao MENG, Xiaodong CHEN

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 1,   Pages 93-100 doi: 10.1007/s11709-009-0015-4

Abstract: Rectangular-closed-diaphragm-wall foundation is a new type of bridge foundation.Diaphragm wall-soil-cap interaction was studied using a model test.Due to the existence of cap, there is a “weakening effect” in inner shaft resistance of the upper wallsegments, and there is “enhancement effect” in the lower wall segments and in toe resistance.

Keywords： diaphragm wall     bridge foundation     low cap     interaction    

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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: The rectangular closed diaphragm (RCD) wall is a new type of bridge foundation.as well as the settlement, axial force and load-sharing ratio of a vertically loaded RCD wall.It was found that under lateral loading, the RCD wall behaves as an end-bearing friction wall duringpoint, and the horizontal displacement of the soil core is greater than that of the wall body.resistance of the wall body and is inversely proportional to the loading borne by the soil core.

Keywords： diaphragm wall     soil core     bridge foundation     FLAC3D     bearing behavior    

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Predetermination of potential plastic hinges on reinforced concrete frames using GFRP reinforcement

Dominik KUERES; Dritan TOPUZI; Maria Anna POLAK

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 5,   Pages 624-637 doi: 10.1007/s11709-022-0832-2

Abstract: fiber-reinforced polymer (GFRP)-reinforcement has been successfully applied in reinforced concrete (RCBased on this idea, this paper presents a novel concept for the predetermination of potential plastichinges in RC frames using GFRP reinforcement.plastic hinges on RC frames.of GFRP as both the column base shear force during the seismic activity as well as the plastic deformations

Keywords： glass fiber-reinforced polymer     GFRP     hybrid section     plastic hinge     seismic design     reinforced concrete    

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Seismic analysis of semi-gravity RC cantilever retaining wall with TDA backfill

Il-Sang AHN, Lijuan CHENG

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 4,   Pages 455-469 doi: 10.1007/s11709-017-0392-z

Abstract: Regions of large plastic strain were mainly formed in the TDA layer, and the soil over the TDA layerdid not experience such large plastic strain, suggesting less damage than the soil-backfill model.

Keywords： TDA (Tire Derived Aggregate)     scrap tires     retaining wall     seismic analysis     Finite Element Analysis    

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Experimental study on seismic behavior of mid-rise RC shear wall with concealed truss

Wanlin CAO, Jianwei ZHANG, Jingna ZHANG, Min WANG,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 4,   Pages 370-377 doi: 10.1007/s11709-009-0062-x

Abstract: In this paper, mid-rise shear wall with concealed truss was proposed.This new composite shear wall includes two kinds of composition: one is the composition of two bearingTherefore, it is a double composite shear wall., a mid-rise shear wall with steel frame, and four mid-rise shear wall with concealed truss made of differentSome suggestions for seismic design of shear wall are given in this paper.

Keywords： reinforced concrete     profile steel     concealed truss     mid-rise shear wall     seismic behavior    

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Deflection Analysis of RC Beam Strengthened by Epoxy-bonded Glass Fiber Reinforced Plastic Plate

Duan Jingmin,Qian Yongjiu,Zeng Xiantao

Strategic Study of CAE 2004, Volume 6, Issue 10,   Pages 79-82

Abstract:

The GFRP plate was epoxy-bonded to the tension flanges of RC beam, which can effectively improve thebending strength and the lateral stiffness of the RC beam.

Keywords： strengthening     GFRP     RC beam     deflection    

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Experimental study on flexural behavior of ECC/RC composite beams with U-shaped ECC permanent formwork

Zhi QIAO, Zuanfeng PAN, Weichen XUE, Shaoping MENG

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 5,   Pages 1271-1287 doi: 10.1007/s11709-019-0556-0

Abstract: The flexural performance of the ECC/RC composite beam has been investigated experimentally with eightUnder the same reinforcement configurations, ECC/RC composite beams exhibit increases in flexural performanceterms of ductility, load-carrying capacity, and damage tolerance compared with the counterpart ordinary RCtheoretical model based on the strip method is proposed to predict the moment-curvature responses of ECC/RCcomposite beams, and a simplified method based on the equivalent rectangular stress distribution approach

Keywords： engineered cementitious composite (ECC)     durability     ECC/RC composite beam     permanent formwork     flexural    

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Effect of bond enhancement using carbon nanotubes on flexural behavior of RC beams strengthened with

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 1,   Pages 131-143 doi: 10.1007/s11709-021-0787-8

Abstract: nanotubes (CNTs) in carbon fiber reinforced polymer (CFRP) on strengthening of reinforced concrete (RCThe RC beams were prepared, strengthened in flexure by externally bonded CFRP or CNTs-modified CFRP sheetsThe flexural enhancement of RC beams by strengthening with CNTs-modified CFRP decreased with increasing

Keywords： RC beams     flexural     strengthening     CFRP     CNTs     finite element    

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Investigation of the interior RC beam-column joints under monotonic antisymmetrical load

Fei GAO, Zhiqiang TANG, Biao HU, Junbo CHEN, Hongping ZHU, Jian MA

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 6,   Pages 1474-1494 doi: 10.1007/s11709-019-0572-0

Abstract: The paper presents numerical findings of reinforced concrete interior beam-column joints under monotonic antisymmetrical load. The finite element models considered compression and tension damage were calibrated by test results in terms of the load-displacement, failure modes, and strains of longitudinal steel. The emphasis was put on studying the effects of hoop reinforcement ratio in joint core and the axial compression ratio on the responses of the joints. The results show that, in addition to the truss and strut-and-tie mechanisms, the confinement mechanism also existed in the joint core. A certain amount of stirrup is not only able to enhance the confinement in joint core, undertake a part of shear force and thus to increase the shear capacity, prevent the outward buckling of steel bars in column, improve the stress distribution in joint core, delay cracking and restrain the propagation of cracks, but also to increase the yield load, decrease the yield displacement of beam and improve the joint ductility. However, excessive horizontal stirrups contribute little to the joint performance. In a certain range, larger axial compression ratio is beneficial for the joint mechanical behavior, while it is negative when axial compression ratio is too large.

Keywords： RC beam-column joint     reinforcement ratio in joint core     axial compression ratio     finite element     test    

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Robust topology optimization of hinge-free compliant mechanisms with material uncertainties based on

Junjie ZHAN, Yangjun LUO

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 2,   Pages 201-212 doi: 10.1007/s11465-019-0529-y

Abstract: This paper presents a new robust topology optimization framework for hinge-free compliant mechanisms

Keywords： compliant mechanisms     robust topology optimization     hinges     uncertainty     bounded field    

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Modeling of shear walls using finite shear connector elements based on continuum plasticity

Ulf Arne GIRHAMMAR, Per Johan GUSTAFSSON, Bo KÄLLSNER

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 2,   Pages 143-157 doi: 10.1007/s11709-016-0377-3

Abstract: Most sheathing-to-framing joints show nonlinear load-displacement characteristics with plastic behaviorThe incremental load-displacement relationship is derived based on the elastic-plastic stiffness tensorincluding the elastic stiffness tensor, the plastic modulus, a function representing the yield criterionand a hardening rule, and function representing the plastic potential.The plastic properties are determined from experimental results obtained from testing actual connections

Keywords： shear walls     wall diaphragms     finite element modelling     plastic shear connector     analytical modelling     experimental    

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Moving policy and regulation forward for single-use plastic alternatives

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 3, doi: 10.1007/s11783-021-1423-5

Abstract: The innovation of sustainable and environmentally friendly single-use plastic alternative materials andThe development of single-use plastic alternative products can be promoted fundamentally only by improving

Keywords： Single-use plastic alternatives     Policy     Regulation     Sustainable development    

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Numerical study on natural convection in a square enclosure containing a rectangular heated cylinder

Jianhua LU, Zhaoli GUO, Zhenhua CHAI, Baochang SHI,

Frontiers in Energy 2009, Volume 3, Issue 4,   Pages 373-380 doi: 10.1007/s11708-009-0078-x

Abstract: In this paper, the natural convection in a square enclosure with a rectangular heated cylinder is investigated

Keywords： natural convection     buoyant regime     heated cylinder     lattice Boltzmann    

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Title Author Date Type Operation

Estimation of relations among hysteretic response measures and design parameters for RC rectangular shear

A. ARAB, Ma. R. BANAN, Mo. R. BANAN, S. FARHADI

Journal Article

Effect of RC wall on the development of plastic rotation in the beams of RC frame structures

Amar KAHIL, Aghiles NEKMOUCHE, Said BOUKAIS, Mohand HAMIZI, Naceur Eddine HANNACHI

Journal Article

Diaphragm wall-soil-cap interaction in rectangular-closed- diaphragm-wall bridge foundations

Hua WEN, Qiangong CHENG, Fanchao MENG, Xiaodong CHEN

Journal Article

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

Qiangong CHENG, Jiujiang WU, Zhang SONG, Hua WEN

Journal Article

Predetermination of potential plastic hinges on reinforced concrete frames using GFRP reinforcement

Dominik KUERES; Dritan TOPUZI; Maria Anna POLAK

Journal Article

Seismic analysis of semi-gravity RC cantilever retaining wall with TDA backfill

Il-Sang AHN, Lijuan CHENG

Journal Article

Experimental study on seismic behavior of mid-rise RC shear wall with concealed truss

Wanlin CAO, Jianwei ZHANG, Jingna ZHANG, Min WANG,

Journal Article

Deflection Analysis of RC Beam Strengthened by Epoxy-bonded Glass Fiber Reinforced Plastic Plate

Duan Jingmin,Qian Yongjiu,Zeng Xiantao

Journal Article

Experimental study on flexural behavior of ECC/RC composite beams with U-shaped ECC permanent formwork

Zhi QIAO, Zuanfeng PAN, Weichen XUE, Shaoping MENG

Journal Article

Effect of bond enhancement using carbon nanotubes on flexural behavior of RC beams strengthened with

Journal Article

Investigation of the interior RC beam-column joints under monotonic antisymmetrical load

Fei GAO, Zhiqiang TANG, Biao HU, Junbo CHEN, Hongping ZHU, Jian MA

Journal Article

Robust topology optimization of hinge-free compliant mechanisms with material uncertainties based on

Junjie ZHAN, Yangjun LUO

Journal Article

Modeling of shear walls using finite shear connector elements based on continuum plasticity

Ulf Arne GIRHAMMAR, Per Johan GUSTAFSSON, Bo KÄLLSNER

Journal Article

Moving policy and regulation forward for single-use plastic alternatives

Journal Article

Numerical study on natural convection in a square enclosure containing a rectangular heated cylinder

Jianhua LU, Zhaoli GUO, Zhenhua CHAI, Baochang SHI,

Journal Article