Quasi-static cyclic tests on super-lightweight EPS concrete shear walls

Mousavi, Seyed Amin; Zahrai, Seyed Mehdi; Bahramirad, Asghar

doi:10.1016/j.engstruct.2014.02.003

Cited by 42 publications

(29 citation statements)

References 18 publications

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“…Fig. 12(a) compares hysteretic behavior as well as cumulative dissipated energy from Macro-Simulink model with those from experimental results reported by Mousavi et al [34]. Calibrated hysteretic parameters of the Macro-Simulink model are not presented here due to space limitation.…”

Section: Validity Of the Frame Hysteretic Behaviormentioning

confidence: 70%

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Toward buckling free tension-only braces using slack free connections

Mousavi

Zahrai

Saatçioğlu

2015

Journal of Constructional Steel Research

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Section: Validity Of the Frame Hysteretic Behaviormentioning

confidence: 70%

“…Most RC shear walls and frames with masonry infill walls revealed pinched hysteretic loops during earlier tests [34][35][36]. As a result, pinching is also considered in the model through the following modification on the lateral stiffness of the frame,…”

Section: Pinching Of the Framementioning

confidence: 99%

Toward buckling free tension-only braces using slack free connections

Mousavi

Zahrai

Saatçioğlu

2015

Journal of Constructional Steel Research

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“…Accuracy of the developed macro‐Simulink model is investigated through earlier experimental results in Figures and . Figures a and b show validity of the model in terms of deteriorating hysteretic behavior of a lightweight RC shear wall and a steel moment resisting frame braced with pre‐slacked wire ropes . Moreover, in Figure , accuracy of the macro‐Simulink model is investigated for a two‐story composite frame with concrete‐filled steel tubes with and without buckling restrained braces .…”

Section: Macro‐simulink Modelmentioning

confidence: 90%

“…Validity of the macro‐Simulink model for (a) lightweight concrete shear walland (b) steel frame with pre‐slacked wire rope brace…”

Section: Macro‐simulink Modelmentioning

confidence: 99%

Analytical study on seismic behavior of proposed hybrid tension-only braced frames

Zahrai

Mousavi

Saatçioğlu

2016

Struct Design Tall Spec Build

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Summary The first intention of this study is to enable tension‐only bracing (TOB) as the main lateral load resisting system. In order to attenuate deteriorating of the TOB hysteretic behavior, a simple mechanical device, called slack‐free connection (SFC), is proposed by which buckling/slacking would not occur in the TOB. Using the TOB‐SFC system in parallel with a wire rope brace, an innovative bracing system, called hybrid tension only brace (HTOB), is proposed, which has a non‐deteriorating hysteretic behavior with tunable post‐yield stiffness. Adopting the so called Incremental Dynamic Analyses, sensitivity of the HTOB on its post‐yield stiffness is explored and also seismic behavior of the proposed HTOB is compared to other representative lateral load resisting systems. Obtained results indicate that a minor increase in post‐yield stiffness can substantially reduce maximum and residual deformations of the HTOB. However, compared to other representative systems, HTOB still tends to experience higher residual deformations. This is due to the fact that the elastic‐to‐inelastic transition in hysteretic behavior of the HTOB is very sharp. Meanwhile HTOB would generally result in less maximum deformations compared to other representative systems because of its large energy dissipation capability.

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“…Kako klizanje šipke nije uzeto u obzir, u modelu se nisu mogle definirati karakteristike gubitka krutosti. Iako se pomoću programa ABAQUS može vrlo dobro procijeniti kapacitet i ponašanje uzoraka spoja, njime se ipak ne može točno ocijeniti djelovanje gubitka krutosti na ciklično ponašanje armiranobetonskih elemenata [17]. Ovo svojstvo prvi su zamijetili Wan i dr. [18].…”

Section: Veza Između Opterećenja I Pomakaunclassified

Numerička ocjena spoja nosivog zida i ravne ploče

2015

JCE

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Numerička ocjena spoja nosivog zida i ravne ploče U radu je provedena analiza odziva spoja vanjskog posmičnog zida i ravne ploče za slučaj ravninskog reverzibilnog cikličnog opterećenja. Provedena je numerička analiza spoja vanjskog zida i ploče na uzorcima umanjenima na jednu trećinu od prvobitne veličine, uz primjenu dviju vrsta rasporeda armature u spoju. Razmatran je konvencionalan raspored i predloženi nekonvencionalan raspored razrade armature spoja. Ustanovljeno je da se predloženi nekonvencionalni tip armiranja spoja bolje ponaša od konvencionalnog tipa. Numerical evaluation of structural wall -flat slab connectionThe response of the exterior shear wall to flat slab connection, subjected to the inplane reversible cyclic load, is analyzed in the paper. The numerical analysis of the exterior wall-slab connection specimens scaled down to one third of the original size, with two types of joint detailing patterns, was conducted. The conventional pattern and a proposed nonconventional joint reinforcement detailing pattern were considered. It was established that the performance of the proposed nonconventional type of joint detailing is better compared to that of the conventional type.

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Quasi-static cyclic tests on super-lightweight EPS concrete shear walls

Cited by 42 publications

References 18 publications

Toward buckling free tension-only braces using slack free connections

Toward buckling free tension-only braces using slack free connections

Analytical study on seismic behavior of proposed hybrid tension-only braced frames

Numerička ocjena spoja nosivog zida i ravne ploče

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