Behavior of four-bolt extended end-plate connection subjected to lateral loading

Mashaly, E. A.; El-Heweity, Mohamed; Abou-Elfath, Hamdy; Osman, Mohamed

doi:10.1016/j.aej.2011.01.011

Cited by 22 publications

(6 citation statements)

References 6 publications

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“…Several parametric studies were undertaken in order to investigate the impact of both material and geometric configuration of extended end-plates (Gantes and Lemonis, 2003;Abolmaali et al, 2005;Maggi et al, 2005;Mohamadi-shooreh and Mofid 2008;Mashaly et al, 2011;Dessouki et al, 2013). In terms of geometric configuration, some results showed that the ratio of the width of the column flange to its thickness, the ratio of the depth of the column web to its thickness and the thickness of the end-plate were critical for determining the energy dissipation within the joints.…”

Section: Introductionmentioning

confidence: 99%

Experimental investigation of dry mechanical beam–column joints for precast concrete based frames

Nzabonimpa

Hong

Park

2016

Structural Design Tall Build

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Summary This paper proposes dry mechanical beam–column joints for fully restrained moment connections of concrete components. This novel joint can be used for reinforced concrete precast frames and steel–concrete composite precast frames. The new dry mechanical joint consists of extended steel plates with bolts designed to transfer tension and compression forces, providing fully restrained moment connections at the beam–column joint. The extended end plate with bolts introduced for column‐beam joint assembly was originally used in the steel moment frame, as introduced in AISC 358. This study developed similar but unique mechanical joint details for concrete frames in order to provide fully restrained moment connections for both steel–concrete composite precast frames and reinforced concrete precast frames. Experimental and analytical investigations were performed to verify the structural behavior of fully restrained moment connections for concrete components in order to identify the parameters that influence the structural behavior of dry mechanical moment concrete connections. These connections are expected to be used in modular offsite construction for buildings and heavy industrial plants. Copyright © 2016 John Wiley & Sons, Ltd.

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Section: Introductionmentioning

confidence: 99%

Experimental investigation of dry mechanical beam–column joints for precast concrete based frames

Nzabonimpa

Hong

Park

2016

Structural Design Tall Build

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“…alın levhalı birleşimleri çevrimsel yükleme altındaki davranışlarını incelemişlerdir ve bulonları modellemek için yeni bir yaklaşım sunmuşlardır. Bulon gövdesini modellemek için çubuk elemanlar, bulonların somunları için de kabuk elemanlar kullanılmasını önermişlerdir [9]. Eldemerdash 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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“…The applied tension in the specimens exerts shear forces on the spindle, which are distributed on the amount in of bolts connection as related for [8] and [9].…”

Section: Calculations Loads For Two Three and Four Boltsmentioning

confidence: 99%

Evaluation of Shear Resistance of Bolted Connections in Wood/Wood and Wood/Steel Plate/Wood

Tonon¹,

Moreno²,

Francisco³

et al. 2015

materials

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This study was based on the combination of simple and quick techniques to substitute the conventional manufacturing system assembly of metal truss connected by wood structures for free environments and less movement. Although simple in its use, the bolted connections are extremely complex in their analysis and behavior. The study was based on evaluating bolted wood/wood and wood/wood with a metal divider interface connections, just to observe the strength of the set's performance under real loads of support coming from the roof elements of the work. Load tests to evaluate the shear behavior nonlinear of the connecting bolts were carried out with loads until 10 ton. On prototypes previously dimensioned according to NBR 6120 to determination of the values of the loads, with two, three and four bolts of the type SAE J 429 grade 5. It was observed that the insertion of a metal plate between the pieces of wood increased by about 50% in the shear strength of the connection. The models A 1 and B 1 , with two bolts with or without plate, were the ones with least resistance, while with three bolts were most loads resisted. Simulations with FEMAP-Finite Element Modeling and Post-processing/NASTRAN were performed for comparison.

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Behavior of four-bolt extended end-plate connection subjected to lateral loading

Cited by 22 publications

References 6 publications

Experimental investigation of dry mechanical beam–column joints for precast concrete based frames

Experimental investigation of dry mechanical beam–column joints for precast concrete based frames

Alın Levhalı Bulonlu Kolon Kiriş Birleşimlerinde Panel Bölgesi Güçlendirmesinin Etkisi

Evaluation of Shear Resistance of Bolted Connections in Wood/Wood and Wood/Steel Plate/Wood

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