Exposed column base plate connections in moment frames — Simulations and behavioral insights

Kanvinde, Amit; Jordan, Stephan; Cooke, Ryan

doi:10.1016/j.jcsr.2013.02.015

Cited by 47 publications

(39 citation statements)

References 6 publications

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“…In the field of animal housing, apart from light structure analysis (Kanvinde et al, 2013;Basaglia et al, 2013), the FEM has been used primarily to analyse the suitability of the different animal beds and the damage to animals' hooves. In this field have been working the groups of Tierney (Tierney and Thomson, 2003), Belie (Franck et al, 2008), Jofriet (Thomason et al, 2005;Salo et al, 2010) and Hinterhofer (Hinterhofer et al, 2009).…”

Section: Finite Element Methods In Buildings and Infrastructures Areasmentioning

confidence: 99%

Present and future of the numerical methods in buildings and infrastructures areas of biosystems engineering

Ayuga

2015

J Agricult Engineer

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Biosystem engineering is a discipline resulting from the evolution of the traditional agricultural engineering to include new engineering challenges related with biological systems, from the cell to the environment. Modern buildings and infrastructures are needed to satisfy crop and animal production demands. In this paper a review on the status of numerical methods applied to solve engineering problems in the field of buildings and infrastructures in biosystem engineering is presented. The history and basic background of the finite element method is presented. This is the first numerical method implemented and also the more developed one. The history and background of other two more recent methods, with practical applications, the computer fluids dynamics and the discrete element method are also presented. Besides, a review on the scientific and professional applications on the field of buildings and infrastructures for biosystem engineering needs is presented. Today we can simulate engineering problems with solids, engineering problems with fluids and engineering problems with particles and get to practical solutions faster and cheaper than in the past. The paper encourages young engineers and researchers to make progress these tools and their engineering applications. The capacities of all numerical methods in their present development status go beyond the present practical applications. There is a broad field to work on it. IntroductionThe present paper is a review of the numerical methods at present and their applications in solving engineering problems. The field is too wide to be considered in a single article. This is why the paper focuses on presenting the fundamentals of the most significant numerical methods that can be applied for buildings and infrastructures areas of biosystems engineering. The three next numerical methods will be considered: i) finite element method (FEM); ii) computer fluid dynamics (CFD); iii) discrete element method (DEM).In the paper the main features of these methods will be presented along with showing some examples in areas of biosystems engineering. Modern engineering can be considered to begin with the industrial revolution in the late eighteenth and early nineteenth century. From the very beginning, it has used the most powerful mathematical tools of the time in order to solve problems arising in practice. It was considered a fact that it was essential acquiring solid mathematical foundations for being a good engineer. The programs of studies from all Universities of the time prove it so. Even great figures on mathematics of the nineteenth and twentieth centuries were formally engineers. This symbiosis has produced good results for society. In the second half of XX Century, the fast development of computer science produced a great advance in numerical methods applied to physics and engineering.Based on this premise, the predictable future is that calculation and structural analysis in all fields of engineering will be based on modern numerical methods. This power...

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Section: Finite Element Methods In Buildings and Infrastructures Areasmentioning

confidence: 99%

Present and future of the numerical methods in buildings and infrastructures areas of biosystems engineering

Ayuga

2015

J Agricult Engineer

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“…In fact, it has been reported that theoretically pinned connections have failed when moments associated with seismic events were transferred by the base plate to a foundation, which was not prepared for such demand . On the other hand, when assumed to respond as fixed supports, it has been shown that column–base connections only resist the required loads after significant deformations, leading to larger interstory drifts than expected, and, sometimes, to structural collapses …”

Section: Superelastic Column–base Connectionmentioning

confidence: 99%

Dynamic performance of a superelastic column-base connection

Santos

Leitão

2018

Struct Control Health Monit

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The present paper provides an innovative insight into the design of column-base connections, for steel moment resisting frames, with superelastic shape-memory alloy cables. The proposed strategy is to prevent damage in these connections due to the rotation demands associated with seismic events, by using lateral restraining cables working in phase opposition. A simplified experimental prototype of the proposed connection is tested, under several loading scenarios, proving to be a versatile solution in terms of rotational stiffness, with significant energy dissipating features and re-centering capabilities. A series of numerical simulations are also performed, providing a clear evidence of the good seismic performance of the proposed superelastic connection in real-scale civil engineering structures.

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“…Interactions between different parts were modelled by means of surface-tosurface contact with normal behaviour defined as "hard" contact and allowing separation. The tangential behaviour was frictionless except for the base plate and grout, where an isotropic friction formulation was adopted with a constant friction coefficient of 0.45 [9], [10]. The bottom section of the foundation block was fixed in the space, since the experimental evidence highlighted the absence of any significant displacements.…”

Section: Finite Element Modellingmentioning

confidence: 99%

11.28: Seismic response of built‐up steel columns with semi‐continuous base‐plate connections: Experimental results vs. theoretical predictions

2017

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The paper describes a comparison of experimental results and theoretical predictions regarding the lateral force-displacement response of built-up steel columns with semi-continuous (semi-rigid and partial-strength) base-plate connections. Two specimens, representing samples from real columns of an existing industrial building, were fabricated and tested. The columns were both made of two I-shaped profiles connected by means of battens, but with significant differences in the scheme of battening from one specimen to the other. The base plate connections were also significantly different in the two cases, in terms of local detailing. Preliminary tests were carried out in the elastic range of response, under varying levels of applied axial force. Such elastic tests were used to measure variations of the initial stiffness and corresponding yield displacements with the applied axial force. Subsequently, a cyclic loading test was carried out, per each specimen, to investigate the inelastic response. Initially, the paper describes and comments on the relative performance of the two tested specimens, in terms of stiffness, resistance and ductility, as resulting from the experimental tests. Subsequently, the paper provides theoretical predictions along with a comparison to the experimental results. Firstly, results from finite-element (FE) modelsdeveloped using the Abaqus softwareare described. Secondly, results from the application of simplified mechanical models are illustrated. The adopted mechanical models essentially followed the component-method stipulated by Eurocode 3, but with some adaptations and modifications. The paper finally provides a comparison of experimental results with both numerical and analytical models.

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Exposed column base plate connections in moment frames — Simulations and behavioral insights

Cited by 47 publications

References 6 publications

Present and future of the numerical methods in buildings and infrastructures areas of biosystems engineering

Present and future of the numerical methods in buildings and infrastructures areas of biosystems engineering

Dynamic performance of a superelastic column-base connection

11.28: Seismic response of built‐up steel columns with semi‐continuous base‐plate connections: Experimental results vs. theoretical predictions

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