Abstract
Diagrid and Hexagrid Structures: New Perspectives in Design of Tall Buildings
Highlights
In the first decades of the 21st century, new structural systems have started to appear for the design and construction of tall buildings: the diagrids and the hexagrids
The structural behavior of this system is mostly governed by the axial deformation of the diagonals, allowing to reach high levels of stiffness against lateral loads [1 - 4]
The essential properties related to their structural behavior have been briefly described, together with an analysis of the popularity of diagrids and hexagrids among researchers and designers worldwide
Summary
In the first decades of the 21st century, new structural systems have started to appear for the design and construction of tall buildings: the diagrids and the hexagrids These systems are characterized by a grid pattern of diagonals placed over the external surface of the building (Fig. 1), which allows providing good structural performances while achieving noteworthy aesthetic and architectural effects. In the case of hexagrids, the structural behavior is mostly dominated by the bending and shear deformability of the diagonals and horizontal or vertical members [5, 6] This usually leads to a lower lateral stiffness performance for the hexagrid when compared to the diagrid. An increasing number of research groups within the academic environment are currently focusing their work on these grid solutions
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