Office building in Fortaleza

Engineer appointed by Gerdau – Brazil

Building use

Office building

Country/Region

Brazil

Overview

The building was designed to be the new icon of Fortaleza that will expand the concept of urban kindness and with an environmentally friendly concept.

Basic information (construction date, number of stories, gross floor area, adopted design code, engineer(s), Contractor(s), etc.)

Construction date: 2016
Number of stories: 22
Gross floor area: 14,407m2
Adopted design code: ABNT NBR8800, ANSI/AISC360, ASCE7
Engineer(s): Roberval José Pimenta, Alexander Galvão Martins, Gustavo Monteiro de Barros Chodraui
Contractor(s): Codeme & BSPAR

Reason for composite solution

Composite floor system and composite beams were chosen to provide speed and efficiency to the construction.

Specific solution/technical details

The steel structures of the north tower and the south tower were erected. Later, steel trusses together with the slabs were lifted and positioned on upper floors, connecting the two towers.

Impact or effectiveness

The composite steel structure allowed to build the two towers connected in the upper floors, preserving the original proportion of the architectural project. The composite solution of slabs connecting to concrete core provides the use of light weight profiles and lower plate thickness reducing the erection time and total coast.

References / Technical Papers Content

Pimenta, R.J. ; Queiroz, G. ; Diniz, S.M.C. – “Reliability-based design recommendations for sinusoidal-web beams subjected to lateral-torsional buckling. Engineering Structures”, v. 84, p. 195-206, 2015.
Chaves, L. E. A. ; Caldas, R. B. ; Fakury, R.H. ; Pimenta, R. J. – “Application of general method for design of concrete columns and encased composite steel and concrete columns”. Revista IBRACON de Estruturas e Materiais, v. 8, p. 755-762, 2015.
Pimenta, R.J. ; Diniz, S.M.C. ; Queiroz, G. ; Fakury, R.H. ; Galvão, A. ; Rodrigues, F.C. – “Reliability-based design recommendations for composite corrugated-web beams. Probabilistic Engineering Mechanics”, v. 28, p. 185-193, 2012.
Martins, A.G. ; Fakury, R.H. ; Pimenta, R.J. ; Queiroz, G. ; Rodrigues, F.C. – “Moment resistance of composite steel and concrete connection in sinusoidal-web girders. Journal of Constructional Steel Research”, v. 76, p. 112-120, 2012.
Calenzani, A. F. G. ; Fakury, R. H. ; de Paula, F. A. ; Rodrigues, F. C. ; Queiroz, G. ; Pimenta, R. J. – “Rotational stiffness of continuous composite beams with sinusoidal-web profiles for lateral-torsional buckling. Journal of Constructional Steel Research”, v. 79, p. 22-33, 2012.
Pimenta, R.J. ; Diniz, S.M.C. ; QUEIROZ, G. ; FAKURY, R. H. ; Galvão, A. ; Rodrigues, F.C. – “Reliability-based design recommendations for composite corrugated-web beams”. Probabilistic Engineering Mechanics, v. 28, p. 185-193, 2011.
PIMENTA, R. J. ; QUEIROZ, G. ; FAKURY, R. H. ; RODRIGUES, F. C. ; MARTINS, A. G. . “Reliability-based design recommendations for composite corrugated-web beams. In: Computational Stochastic Mechanics”, 2010, Rodes. Proceedings of the CSM-6. Rodes, 2010. v. 1. p. 1-15.
DINIZ, S. M. C. ; PIMENTA, R. J. ; QUEIROZ, G. ; FAKURY, R. H. ; MARTINS, A. G. ; RODRIGUES, F. C. . “Safety assessment of composite sinusoidal-web beams. In: 10th International Conference on Structural Safety and Reliability”, 2009, Osaka, Japan, 2009. v. 1.
QUEIROZ, G.; PIMENTA, R. J. ; CALIXTO, J. M. F. ; MATA, L. A. C., “A NEW TYPE OF SLIM FLOOR”. Journal of Constructional Steel Research, Reino Unido, v. 46, p. 1-12, 1998.
CALIXTO, J. M. F.; LAVALL, A. ; MELO, C. ; PIMENTA, R. J. ; MONTEIRO, R., “Behaviour and strength of composite slabs with ribbed decking”. JOURNAL OF CONSTRUCTIONAL STEEL RESEARCH, Inglaterra, v. 46, n.1-3, p. 211-212, 1998.
CALIXTO, J. M. F.; BRENDOLAN, Gianluca ; PIMENTA, Roberval. Comparative Study of Longitudinal Shear Design Criteria for Composite Slabs. REVISTA IBRACON DE ESTRUTURAS E MATERIAIS, v. 2, p. 124-141, 2009.