scholarly journals Yield design-based numerical analysis of three-dimensional reinforced concrete structures

2018 ◽  
Vol 42 (18) ◽  
pp. 2177-2192 ◽  
Author(s):  
Hugues Vincent ◽  
Mathieu Arquier ◽  
Jérémy Bleyer ◽  
Patrick de Buhan
Keyword(s):  
Reinforced Concrete ◽  
Numerical Analysis ◽  
Three Dimensional ◽  
Concrete Structures ◽  
Reinforced Concrete Structures

scholarly journals Influence of Superior Vibration Modes on the Seismic Response of Reinforced Concrete Structures with Eigen-Periods Near Code Control Periods

2020 ◽  
Vol 9 (1) ◽  
pp. 108-122
Author(s):  
Savu Adrian-Alexandru
Keyword(s):  
Reinforced Concrete ◽  
Seismic Response ◽  
Seismic Design ◽  
Structural Design ◽  
Control Period ◽  
Three Dimensional ◽  
Concrete Structures ◽  
Reinforced Concrete Structures ◽  
Base Shear ◽  
Seismic Design Code

Abstract The current paper studies the effect of superior eigen-modes on the seismic response for a series of reinforced concrete structures having eigen-periods near code control periods. Although the structural design is based on Romanian seismic design codes (“P100-1/2013 - Seismic design code - Part 1 - Design provisions for buildings” and “SR-EN 1998/2004 - Design of structures for earthquake resistance”), it carries some importance for other countries with similar seismic design spectra. A total of twenty-four models for structures were considered by varying their location (through control period values), three-dimensional regularity, overall dimensions and height regime. Results were compared and conclusions were drawn based on percentage values of relative displacements (storey drifts) and base shear forces.

scholarly journals Numerical study of the behaviour of loop bar splicing in joints of reinforced concrete structures

2019 ◽  
Vol 12 (1) ◽  
pp. 39-68
Author(s):  
T. D. L.VASCONCELOS ◽  
V. G. HAACH
Keyword(s):  
Reinforced Concrete ◽  
Numerical Study ◽  
Three Dimensional ◽  
Concrete Structures ◽  
Experimental Tests ◽  
Reinforced Concrete Structures ◽  
Reinforced Concrete Structure ◽  
Ideal Situation ◽  
Parametric Analyses ◽  
Concrete Elements

Abstract Sometimes straight bar splicing takes up too much space in a reinforced concrete structure due to the required overlapping length. Therefore, in limited space situations, loop joints may be a good solution, which has been spread in civil construction, although there are very few studies about it. The aim of the present work is to study the loop joint behavior in reinforced concrete structures under tension. Three dimensional numerical simulations are made using the software DIANA®. Firstly, the calibration of the numerical model based on experimental tests of the literature is performed, followed by parametric analyses varying geometric parameters of the concrete elements and reinforcement. The results indicate that arranging the bars as close as possible to a maximum spacing of 60 mm between axes and considering a minimum splice length equal to the bend diameter of the loops may be an ideal situation for the behavior of this type of connection.

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