WP1
WP1
Proposals for advancements in HCW systems
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Primary objectives:
Proposal for potential improvements in the structural performance of components and detailing in the innovative HCW systems;
Selection of the most promising improvements in HCW systems based on technical, economical, and constructional aspects;
Definition of the components and subsystems to be tested in WP3 based on the most promising improvements selected and relevant testing protocol;
Definition of the protocol for the nonlinear static and dynamic analyses of HCW systems planned for the following WP3;
Definition of the case studies to be considered in the analyses and applications planned for the following WP4, based on the examination of the potentialities of the HCW systems in the European construction market in seismic areas.
A comprehensive literature study was conducted to identify novel ways in order to improve the overall behaviour of the innovative HCW system, originally studied in the EU-RFCS project Inno-Hyco, from a structural as well as a constructional viewpoint (focusing on the ease of construction and replaceability aspects). New components were identified to that purpose, such as: (i) link-to-wall connections using unbonded posttensioned tendons, (ii) composite walls with vertical encased steel profiles, (iii) rocking foundations, (iv) dissipative devices as links, and (v) pre-cast double slab walls.
With the new components, 4 new HCW configurations were hypothesized and investigated analytically and numerically to have a clear understanding of:
Global behaviour of the innovative hybrid coupled wall system against seismic ground motions
Local behaviour of the different components (connections between the links, column, wall and foundation)
Integrating composite walls into the hybrid systems
Schematic diagram of Configuration 1:
Prefabricated wall (with fixed base connection) + link-to-wall connection with steel plates, posttensioned tendons and shear studs + dissipative devices as the links
Schematic diagram of Configuration 2:
Prefabricated wall (with fixed base connection) + link to wall (encased profile) + conventional links
Schematic diagram of Configuration 3:
Cast-on-site wall (with fixed base connection) + link to wall (encased profile) + dissipative devices as the links
Schematic diagram of Configuration 4:
Cast-on-site or precast wall with rocking connection at the base and encased profiles with rocking connection
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