Numerical study on seismic behaviors of steel frame end-plate connections

Wang, Meng; Shi, Yongjiu; Wang, Yuanqing; Shi, Gang

doi:10.1016/j.jcsr.2013.07.033

Cited by 74 publications

(23 citation statements)

References 18 publications

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“…After assembly is accomplished, a direct pre-tension load is applied onto the middle plane. As a result, the cap and nut close to the shank start to contact the steel plates and thus create the clamping forces [5,[13][14][15][16][17][18].…”

Section: D Modelling Methodmentioning

confidence: 99%

Structural Analysis of Lattice Steel Transmission Towers: A Review

Chen¹,

Ou²

2016

J Steel Struct Constr

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Lattice Transmission Towers (LTT) and the associated transmission line systems are important infrastructure in modern society. Due to the complicated load conditions and the nonlinear interaction among the large number of structural components, accurate structural analysis of the LTT systems has been a challenging topic for many years. Still today there are some gaps between research and industrial practice. This paper presents a summary of research outcomes from current literature. Recent developments in structural modelling and failure prediction technology are reviewed in terms of connection joints, individual members and structural systems subjected to static and dynamic loads. The advantages and disadvantages of different approaches have been compared. Finally, the knowledge gaps, associated challenges and possible research directions are highlighted.

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Section: D Modelling Methodmentioning

confidence: 99%

Structural Analysis of Lattice Steel Transmission Towers: A Review

Chen¹,

Ou²

2016

J Steel Struct Constr

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“…Plastic hardening was represented using a nonlinear kinematic and isotropic hardening on the basis as described by [33,34].…”

Section: Modelling Assumptions and Calibrationmentioning

confidence: 99%

Nonlinear Performance of Extended Stiffened End Plate Bolted Beam-to-column Joints Subjected to Column Removal

Tartaglia¹,

D’Aniello²

2017

TOCIEJ

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This paper presents a numerical study on the behavior of extended stiffened end plate bolted beam-to-column joints subjected to sudden column removal. To this aim, finite element analyses, validated against experimental tests available from literature, were carried out to investigate the response of the joints under catenary action. The influence of additional bolt rows, generally ineffective in case of design for pure bending response, was also examined and some practical design implications have been drawn up from the parametric study.

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“…alın levhalı birleşimler ile kaynaklı birleşimlerin çevrimsel yükleme altında sonlu eleman analizlerini yapmışlardır. İmalatında özen gösterildiği takdirde, kaynaklı birleşim ile alın levhalı birleşimin yaklaşık olarak aynı moment kapasitesinde olduğunu söylemişlerdir [11]. Kaushik vd.…”

Section: şEkilunclassified

Alın Levhalı Bulonlu Kolon Kiriş Birleşimlerinde Panel Bölgesi Güçlendirmesinin Etkisi

Yılmaz¹,

Bekiroğlu²

2016

Gazi Üniversitesi Mühendislik-Mimarlık Fakültesi Dergisi

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ÖZETBu çalışma, monotonik yükleme altında sonlu elemanlar analizleri gerçekleştirilen alın levhalı bulonlu birleşimlerde, alın levhası kalınlığı değişimi ile panel bölgesi güçlendirmesinin etkisini incelemektedir. Çalışmanın ilk aşamasında, literatürden alınan iki adet alın levhalı bulonlu birleşimin sonlu elemanlar analizi yapılmış ve literatürdeki sonuçları ile bu çalışmadaki sonuçları karşılaştırılmıştır. İkinci aşamada ise, literatürden alınan bu birleşimlerdeki alın levhası kalınlığının arttırılmasının ve panel bölgelerinin güçlendirilmesinin etkileri incelenmiştir. Panel bölgesini güçlendirmek için diyagonal koyulmuş levha veya kolon gövdesi takviye levhası kullanılmıştır. Birleşimlerdeki bulonlar öngerilmeli olup, analiz için konsol kiriş ucuna monotonik olarak yer değiştirme uygulanmıştır. Analizlerde doğrusal olmayan malzeme ve geometri değişimi dikkate alınmıştır. Ayrıca, kolon, kiriş, bulon, levha gibi parçalar arasındaki temaslar, doğrusal veya doğrusal olmayan durum olarak dikkate alınmıştır. Birleşimler, kuvvet taşıma kapasitesi, moment -dönme eğrisi, panel bölgesindeki şekil değiştirmeler ve bulon çekme kuvvetleri bakımından birbirleriyle karşılaştırılmıştır. Yapılan incelemelere göre, panel bölgesinin güçlendirilmesi kolondaki panel bölgesinin şekil değiştirmesinin azalmasına fakat kiriş başlıklarının ve gövdesinin daha erken burkulmasına ve dönme kapasitelerinin azalmasına neden olmaktadır.Anahtar Kelimeler: Alın levhalı bulonlu birleşim, panel bölgesi güçlendirmesi, sonlu eleman analizi, doğrusal olmayan analiz THE EFFECT OF REINFORCING PANEL ZONE OF BOLTED END PLATE COLUMN BEAM CONNECTIONS ABSTRACTThe aim of this study is to assess the efficiency of changing thickness of end plate and reinforcing panel zone in bolted end plate column-beam connections that are performed by finite element analyses under monotonic loading. In the first phase of the study, finite element analyses of two bolted end plate connections which were taken from literature were performed and the experimental results from the literature and the numerical results of the present study were compared. In the second phase, effects of increasing the end plate thickness and the effects of reinforcing panel zone of connections, taken from the literature, were investigated. To reinforce the panel zone, diagonal braces or column web doubler plates were used. Pretensioned bolts were used in connections and monotonic displacement loading are applied to end of cantilever beam. Material and geometry nonlinearities were considered in the analyses. The linear or nonlinear contacts between connection parts such as column, beam, bolt and plate were considered. Connections were evaluated in terms of loading capacity, moment -rotation curve, plastic strain distributions of panel zone and bolt tension forces. The results reveal that reinforcing panel zone causes the plastic strains of column panel zone to decrease but resulting in earlier buckling of beam flange and beam web and reductions in the rotational capacity of the connection.

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Numerical study on seismic behaviors of steel frame end-plate connections

Cited by 74 publications

References 18 publications

Structural Analysis of Lattice Steel Transmission Towers: A Review

Structural Analysis of Lattice Steel Transmission Towers: A Review

Nonlinear Performance of Extended Stiffened End Plate Bolted Beam-to-column Joints Subjected to Column Removal

Alın Levhalı Bulonlu Kolon Kiriş Birleşimlerinde Panel Bölgesi Güçlendirmesinin Etkisi

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