Aircraft hangar at Silvio Petirossi International Airport | Luque, Paraguay
Metalúrgica Vera S.R.L. was awarded the design and construction of a new hangar structure located in Paraguay’s Silvio Petirossi International Airport for large aircraft repair and storage.
|Investor||XT Paraguay S.A|
|Structural Design and Steel Structure||
Metalúrgica Vera S.R.L
Two hinged frames with welded tapered cross-sections span 213 ft in length. The column cross-section depth is ~ 1.6 ft at the bottom and ~ 6.6 ft at the top. The frame beams are tapered at the start as well as at the span middle. With the strong bracing system, the structure was designed to withstand 180 km/h 3-second gust wind loads which is required by the Paraguayan wind standard NP 196. In combination with the purlins, the bracing elements also prevent lateral-torsional buckling of the frame beams.
The basic steel design was calculated in RF-STEEL while code design was calculated in RF-STEEL AISC. After the initial design, the 3D model was created in Tekla Structures to maximize quality and minimize delays during construction.
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In RF-/STEEL EC3, the Window 1.4 Lateral Intermediate Supports offers you the option to define lateral intermediate supports at individual members. These supports are created from connected purlins and horizontal beams, for example, and increase the resistance against lateral-torsional buckling. Lateral intermediate supports can be entered either with a relative or an absolute distance.
RF-/PLATE-BUCKLING Add-on Module for RFEM/RSTAB | Plate Buckling Analysis for Plates with or Without Stiffeners According to 1993-1-5
RFEM/RSTAB Add-on Module RF-IMP/RSIMP | Generation of Geometric Replacement Imperfections and Pre-deformed Replacement Structures
Extension of the RF-/STEEL Warping Erosion module | Lateral -torsional buckling analyzes of members according to the second -order theory with 7 degrees of freedom
RFEM/RSTAB add-on module RF-/TOWER effective lengths | Determination of effective lengths of lattice towers
RFEM/RSTAB add-on module RF-/JOINTS Steel-Column Base | Hinged and restrained column bases according to EC 3
RFEM/RSTAB add-on module RF-/STEEL BS | Design of steel members according to BS 5950 or BS EN 1993-1-1
RFEM add-on module RF-LOAD-HISTORY | Consideration of plastic deformations from previous load conditions
SHAPE-THIN determines the effective cross-sections according to EN 1993-1-3 and EN 1993-1-5 for cold-formed sections. You can optionally check the geometric conditions for the applicability of the standard specified in EN 1993‑1‑3, Section 5.2.
The effects of local plate buckling are considered according to the method of reduced widths and the possible buckling of stiffeners (instability) is considered for stiffened sections according to EN 1993-1-3, Section 5.5.
As an option, you can perform an iterative calculation to optimize the effective cross-section.
You can display the effective cross-sections graphically.
Read more about designing cold-formed sections with SHAPE-THIN and RF-/STEEL Cold-Formed Sections in this technical article: Design of a Thin-Walled, Cold-Formed C-Section According to EN 1993-1-3.
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Programs Used for Structural Analysis
Structural engineering software for finite element analysis (FEA) of planar and spatial structural systems consisting of plates, walls, shells, members (beams), solids and contact elements
Stress analysis of steel surfaces and members
Design of steel members according to the American standard ANSI/AISC 360