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Enhanced empirical models for predicting the drift capacity of less ductile RC columns with flexural,shear or axial failure modes

Mohammad Reza AZADI KAKAVAND, Reza ALLAHVIRDIZADEH

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 5,   Pages 1251-1270 doi: 10.1007/s11709-019-0554-2

Abstract: In the current article, novel empirical approaches are presented for predicting flexural, shear and axialfailure modes in RC columns.

Keywords： flexural-shear-axial failure     drift capacity     reinforced concrete columns     statistical analysis     fragility    

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Uncertainty of concrete strength in shear and flexural behavior of beams using lattice modeling

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 2,   Pages 306-325 doi: 10.1007/s11709-022-0890-5

Abstract: studied the effect of uncertainty and random distribution of concrete strength in beams failing in shearComparative studies were conducted for both shear- and flexure-deficit beams under four-point loadingThe scatter of random load-capacities was higher in flexure (range: 0.680–0.990) than that of shear (

Keywords： lattice modeling     shear failure     flexural failure     uncertainty     deficiency     numerical simulation    

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Effect of steady shear on multi-axial texture of symmetric diblock copolymers

XU Hui, LIU Honglai, HU Ying

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 1,   Pages 26-34 doi: 10.1007/s11705-007-0006-8

Abstract: The effect of steady shear on multi-axial texture of symmetric diblock copolymer was investigated byIn the formation of the multi-axial texture, there are two critical velocities μ and µ, at which thevelocities increase as the interaction parameter increases, but they almost remain constant at different shearFurthermore, the rotation from the transverse lamellae to the parallel lamellae induced by the shearstrain, and the increase of lamellar spacings of the three lamellae after removing the shear, have also
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Flexural and longitudinal shear performance of precast lightweight steel–ultra-high performance concrete

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 5,   Pages 704-721 doi: 10.1007/s11709-023-0941-6

Abstract: In this study, the flexural and longitudinal shear performances of two types of precast lightweight steel–ultra-highOwing to its better integrity, the CUS exhibits greater flexural stiffness and a higher ultimate bearingthe design parameters of the CUS, a parametric study is conducted to investigate their effects on the flexuraland longitudinal shear performances.shear pockets is 650 mm.

Keywords： precast steel–UHPC composite beam     flexural performance     longitudinal shear performance     parametric study    

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Shear-flexural strength mechanical model for the design and assessment of reinforced concrete beams subjected

Antonio MARÍ,Antoni CLADERA,Jesús BAIRÁN,Eva OLLER,Carlos RIBAS

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 4,   Pages 337-353 doi: 10.1007/s11709-014-0081-0

Abstract: A mechanical model recently developed for the shear strength of slender reinforced concrete beams withand without shear reinforcement is presented and extended to elements with uniformly distributed loadsThe shear strength is considered to be the sum of the shear transferred by the concrete compression chordon the principles of structural mechanics simple expressions have been derived separately for each shearfit very well the available experimental results from the recently published ACI-DAfStb databases of shear

Keywords： shear strength     mechanical model     reinforced concrete     design     assessment     shear tests    

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Effect of loading rate on shear strength parameters of mechanically and biologically treated waste

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 12, doi: 10.1007/s11783-022-1595-7

Abstract:

● Mechanical behavior of MBT waste affected by loading rate was investigated.

Keywords： Mechanically and biologically treated waste     Landfill     Triaxial test     Loading rate     Axial strain     Shear    

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evaluation of low-rise infilled reinforced concrete frames designed by considering local effects on column shear

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 5,   Pages 686-703 doi: 10.1007/s11709-023-0937-2

Abstract: However, local wall-frame interactions can also lead to increased shear demand in the columns owing tothe compressive diagonal strut force from the inll wall, which can result in failure or in serious situationsThe performance of the frames and the failure modes were compared with those of frames designed withoutof the local interaction of the infill walls were similar in terms the overall lateral strength, the failureThe proposed method can eliminate the column shear failure from the building.

Keywords： reinforced concrete frames     infill wall     seismic design method     shear failure     wall-frame interaction    

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Strengthening of reinforced concrete beams using fiber-reinforced cementitious matrix systems fabricated with custom-designed mortar and fabrics

Frontiers of Structural and Civil Engineering   Pages 1100-1116 doi: 10.1007/s11709-023-0967-9

Abstract: The behavior of this system is evaluated in terms of both the flexural and shear strengthening of reinforcedUnlike previous studies, custom fabrics with similar axial stiffness are used in all strengthening methodsThe proposed FRCM system exhibits desirable flexural and shear strengthening for enhancing the load capacity, provides sufficient bonding with the substrate, and prevents premature failure modes.Considering the similar axial stiffness of fabrics used in both FRCM and FRP systems and the higher load

Keywords： fiber-reinforced cementitious matrix     flexural strengthening     shear strengthening     carbon fiber-reinforcedpolymer     shear span    

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A toughness based deformation limit for X- and K-joints under brace axial tension

Bo GU,Xudong QIAN,Aziz AHMED

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 3,   Pages 345-362 doi: 10.1007/s11709-016-0333-2

Abstract: This study reports a deformation limit for the initiation of ductile fracture failure in fatigue-crackedcircular hollow section (CHS) X- and K-joints subjected to brace axial tension.crack depth, provides an estimate on the deformation limits for intact X- and K-joints under brace axial

Keywords： circular hollow section (CHS)     tubular joint     fracture failure     deformation limit     J-integral    

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Application of the expanded distinct element method for the study of crack growth in rock-like materials under uniaxial compression

Lei YANG, Yujing JIANG, Bo LI, Shucai LI, Yang GAO

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 2,   Pages 121-131 doi: 10.1007/s11709-012-0151-0

Abstract: The tensile-shear failure criterion and the Griffith failure criterion were implanted into the EDEM toSimulation results indicated that the EDEM model with the tensile-shear failure criterion has strongThe EDEM model with the Griffith failure criterion can only simulate the splitting failure of samplesResearch results demonstrated that sample failure primarily resulted from the growth of single cracks(in the form of tensile wing cracks and shear secondary cracks) and the coalescence of two cracks due

Keywords： expanded distinct element method (EDEM)     crack growth     rock-like material     tensile-shear failure criterion     Griffith failure criterion     mechanical and failure behavior    

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Mechanical properties characterization of different types of masonry infill walls

André FURTADO, Hugo RODRIGUES, António ARÊDE, Humberto VARUM

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 2,   Pages 411-434 doi: 10.1007/s11709-019-0602-y

Abstract: experimental tests were carried out, namely: compression strength tests, diagonal tensile strength tests, and flexuralThe plaster increased the flexural strength by 57%.

Keywords： masonry infill walls     experimental characterization     compression strength     shear diagonal strength     flexural    

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Shear-critical reinforced concrete columns under various loading rates

Witarto WITARTO,Liang LU,Rachel Howser ROBERTS,Y. L. MO,Xilin LU

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 4,   Pages 362-372 doi: 10.1007/s11709-014-0083-y

Abstract: This paper presents an experimental study of shear-governed reinforced concrete columns subjected toFinally, a finite element analytical model was constructed to describe the behavior of short columns with shearfailure.

Keywords： reinforced concrete columns     shear failure     loading rate     Carbon Nano-Fiber Aggregates (CNFAs)     finite element    

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Dynamic analyses of steel-reinforced super high-strength concrete columns

JIA Jinqing, JIANG Rui, XU Shilang, HOU Tong

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 2,   Pages 240-246 doi: 10.1007/s11709-007-0030-2

Abstract: Thirteen specimens, with concrete strengths ranging from 94.9 to 105.4 MPa and shear-span ratios of 2.75The axial load ratio and the stirrup reinforcement ratio were the main experimental variables affectingThe columns under low cyclic lateral loading mainly failed in the flexural-shear mode.Shear force-displacement hysteretic curves and skeleton curves were drawn.The limit values of the axial load ratio and the minimum stirrup reinforcement ratio of the columns were

Keywords： amendment     flexural-shear     force-displacement hysteretic     definite ductility     skeleton    

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Axial compression behavior of CFRP-confined rectangular concrete-filled stainless steel tube stub column

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 5,   Pages 1144-1159 doi: 10.1007/s11709-021-0762-4

Abstract: properties of CFRP-confined rectangular concrete-filled stainless steel tube (CFSST) stub columns under axialA total of 28 specimens (7 groups) were fabricated for the axial compression test to study the influencesThe specimen failure modes, the stress development of stainless steel tube and CFRP wrap, and the load–strainA bearing capacity prediction method was proposed based on the twin-shear strength theory, combiningthe limit equilibrium state of the CFRP-confined CFSST stub column under axial compression.

Keywords： CFRP     rectangular CFSST stub column     bearing capacity     limit equilibrium state     twin-shear strength theory    

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Nonlinear dynamics of a wind turbine tower

A. GESUALDO, A. IANNUZZO, F. PENTA, M. MONACO

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 3,   Pages 342-350 doi: 10.1007/s11465-019-0524-3

Abstract: to a wind turbine tower subjected to inertial forces generated by harmonic ground acceleration, and failureis assumed to depend on the formation of shear hinges.

Keywords： nonlinear dynamics     plastic shear failure     modal approximation     time history    

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Title Author Date Type Operation

Enhanced empirical models for predicting the drift capacity of less ductile RC columns with flexural,shear or axial failure modes

Mohammad Reza AZADI KAKAVAND, Reza ALLAHVIRDIZADEH

Journal Article

Uncertainty of concrete strength in shear and flexural behavior of beams using lattice modeling

Journal Article

Effect of steady shear on multi-axial texture of symmetric diblock copolymers

XU Hui, LIU Honglai, HU Ying

Journal Article

Flexural and longitudinal shear performance of precast lightweight steel–ultra-high performance concrete

Journal Article

Shear-flexural strength mechanical model for the design and assessment of reinforced concrete beams subjected

Antonio MARÍ,Antoni CLADERA,Jesús BAIRÁN,Eva OLLER,Carlos RIBAS

Journal Article

Effect of loading rate on shear strength parameters of mechanically and biologically treated waste

Journal Article

evaluation of low-rise infilled reinforced concrete frames designed by considering local effects on column shear

Journal Article

Strengthening of reinforced concrete beams using fiber-reinforced cementitious matrix systems fabricated with custom-designed mortar and fabrics

Journal Article

A toughness based deformation limit for X- and K-joints under brace axial tension

Bo GU,Xudong QIAN,Aziz AHMED

Journal Article

Application of the expanded distinct element method for the study of crack growth in rock-like materials under uniaxial compression

Lei YANG, Yujing JIANG, Bo LI, Shucai LI, Yang GAO

Journal Article

Mechanical properties characterization of different types of masonry infill walls

André FURTADO, Hugo RODRIGUES, António ARÊDE, Humberto VARUM

Journal Article

Shear-critical reinforced concrete columns under various loading rates

Witarto WITARTO,Liang LU,Rachel Howser ROBERTS,Y. L. MO,Xilin LU

Journal Article

Dynamic analyses of steel-reinforced super high-strength concrete columns

JIA Jinqing, JIANG Rui, XU Shilang, HOU Tong

Journal Article

Axial compression behavior of CFRP-confined rectangular concrete-filled stainless steel tube stub column

Journal Article

Nonlinear dynamics of a wind turbine tower

A. GESUALDO, A. IANNUZZO, F. PENTA, M. MONACO

Journal Article