Elastically Connected And Offset Members At
Seville April Fair Gateways
Author(s)
M. T. Rodríguez-León & J. Sánchez
Abstract
On the occasion of the celebration of the April Fair, Seville’s city council orders
a gateway to the fairground to be built every year. These large structures,
50 meters long, 40 meters high and a variable depth of around 4 to 5 meters, are
space structures composed of tubular metal elements connected by clamps, and
covered by ornamental wood boards. The design of the referred spatial structure
is presented as modular, able to distribute efforts in an isotropic network, so that
efforts are transmitted in a uniform way. This paper investigates the problems
involved in the analysis of this three dimensional structure having offset
members. It intends to see if there are major differences between considering or
not the modelling of the eccentricities, as well as further testing the influence of
the consideration of the rigidity of the clamp, modelling it as rigid, articulated or
elastic. The extent to which the modification influences the position of the
eccentricities is also discussed, as this aspect is difficult to control on site.
Keywords: Seville April Fair gateways, spatial framework, tube, clamp, offset,
eccentricity, rigidity.
1 Introduction
Seville April Fair gateways are constituted as large space structures composed of
tubular metal elements connected together by clamps. The organization of this
spatial structure is that of an orthogonal grid formed by prismatic modules
diagonalized in each and every one of their faces, whose dimensions are 1’00 m
in the OX direction - front elevation - variable dimension in the OY direction –
transverse elevation – and 1’70 m in the OZ direction (Figure 1).
Keywords
Seville April Fair gateways, spatial framework, tube, clamp, offset,
eccentricity, rigidity.
Related Book
Other papers in this volume
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