Design procedure for complex structures under dynamic loads

Scientific paper - Original scientific paper

• Author: Dimitar Jurukovski
• Author: Petar Gavrilović
• Author: Zoran Rakičević
• Author: Aleksandra Bogdanović
• Author's institution: University of Zagreb; Faculty of Civil Engineering
• Scientific / art field, discipline and subdiscipline: TECHNICAL SCIENCES; Civil Engineering

Abstract (english)

In this paper, the procedure applied in the design of a 155 meter high telecommunication tower
that is currently being built on Vodno mountain, in the immediate vicinity of Skopje, is discussed.
The complex architectonic shape of the tower, the large number of users of the space with
their own specific requirements and the expected flexibility of the structure made the design
engineers define an objective and non-standard procedure of design and analysis of this complex
structure. The design procedure defined by the design engineers was submitted to the Investor
of the structure and it consisted from: a) Research works on the location involving geological
and geotechnical investigations, geophysical surveys, definition of seismic design parameters,
research for definition of wind effects and meteorological investigations; b) Definition of the
technological requirements of users of the space with data on operational criteria, sensitivity to
vibrations and technological loads; c) Definition of a modelling procedure, analysis and criteria of
stability and serviceability. During analytical modelling, the complex structure was divided into
substructures that were individually analysed and then integrated into a model consisting of a
central reinforced concrete core, four independent working platforms covering an area of 200 m2
each, an antenna unit, a truss placed on the top of the concrete core with a height of 28 m, four
independent decorative elements (rafters) wrapped in a porous mesh and a foundation structure;
d) An experimental programme consisting of tower model testing in an aerodynamic tunnel for
definition of all possible wind effects, seismic shaking table testing of the tower model, quasistatic tests of vital joints and a fragment of the main circular truss of the platforms and quasistatic testing of the façade of the decorative elements. The application of the above stated in the
design of the structure is briefly presented in this paper

• Keywords (english): structural design, earthquake engineering, wind engineering, wind tunnel testing, shaking table testing, mega structures
• Language: english
• Publication type: Scientific paper - Original scientific paper
• Publication status: Published
• Peer review: Unknown
• Publication version: Published version
• Publication title: 1st Croatian Conference on Earthquake Engineering 1CroCEE
• Numbering: pp. 1369-1379
• p-ISSN: 3043-8071
• DOI: https://doi.org/10.5592/CO/1CroCEE.2021.205
• URN:NBN: urn:nbn:hr:237:235033
• Publication: 2021-03
• Conference: Title: st Croatian Conference on Earthquake Engineering; Location: Zagreb, Croatia; Start date: 2021-03-22; End date: 2021-03-24; Assembly type: Lecture
• Type of resource: Text
• Publisher: Sveučilište u Zagrebu Građevinski fakultet
• Access conditions: Open access
• Created on: 2024-08-30 10:31:28