Volume 2, Issue 3 (3-2018)                   NMCE 2018, 2(3): 30-44 | Back to browse issues page

XML Print

Download citation:
BibTeX | RIS | EndNote | Medlars | ProCite | Reference Manager | RefWorks
Send citation to:

Kheyroddin A, Madah Z. Analyzing the Behavior of Hybrid Steel System of Tube in Tube with Bracing and Belt Truss. NMCE. 2018; 2 (3) :30-44
URL: http://nmce.kntu.ac.ir/article-1-145-en.html
Professor, Department of Civil Engineering, Semnan University, Semnan, Iran , kheyroddin@semnan.ac.ir
Abstract:   (894 Views)
Nowadays, due to the escalation in construction of high-rise structures, the need for selecting a proper resistant structural system against earthquake and wind has increased significantly. These systems should show an optimized use of materials and should be presented as a hard and efficient structure. A good example of a high efficient system in high-rise buildings can be indicated is, the tubular system that was introduced by Fazlur Khan for the first time. It has been applied in most tall buildings all over the world. The major weakness of these systems is shear lag which restricts the column capacity from functioning properly. An appropriate solution to resolve this problem is using a braced tube system. Also, because of increasing height of the structure, the use of braced tube structures alone is not effective to control the lateral structures. Therefore, a combination of the braced tube with the inner tube and belt truss is more efficient. This paper focuses on the behavior of the hybrid steel system of tube in tube with bracing and belt trusses. To this aim, some buildings were modeled with different structural systems and different number of stories and were analyzed in terms of shear lag in web and flange, lateral displacement and drift, and absorption percent of shear force under earthquake forces. From the results obtained, it can be concluded that the belt truss does not have a favorable impact on the shear lag in the flange, but it reduces drift significantly. In addition, by adding external bracing to tube in the tube structure with belt trusses, the performance of structure improved remarkably in the aspect of shear lag, lateral displacement and absorption percent of the shear force .
Full-Text [PDF 861 kb]   (352 Downloads)    
Type of Study: Research | Subject: General

1. [1] Kheyroddin, A and Aramesh, S., "Structural resistant systems in high-rise structures", Semnan University Press, Second Edition, 1394.
2. [2] Zahiri-Hashemi, R., Kheyroddin, A. and Farhadi, B., "Effective number of mega-bracing, in order to minimize shear lag", Structural Engineering and Mechanics, Vol. 48, No. 2 (2013) 173-193DOI http://dx.doi.org/10.12989/sem.2013.48.2.173 173 [DOI:10.12989/sem.2013.48.2.173]
3. [3] Iyengar, H., "Reflections on the Hancock Concept", CTBUH Review, 1, 44, 2000.
4. [4] Mazinani, I., "Framed diagonalized tube system for high- rise buildings", Master's Thesis, Faculty of Engineering, University of Malaya, Kuala Lumpur, Malaysia, 2011.
5. [5] Singh, Y. and Nagpal, A.K., "Negative shear lag in framed-tube buildings", J. Struct. Eng., 120(11), 3105-3121, 1994. [DOI:10.1061/(ASCE)0733-9445(1994)120:11(3105)]
6. [6] Fawzia, S. and Fatima,T. , "Deflection control in composite building by using belt truss and outriggers systems"; International Journal of Civil, Environmental, Structural, Construction and Architectural Engineering Vol:4, No:12, 2010.
7. [7] Jahanshahi, M.R. and Rahgozar.R. ; "Optimum location of outrigger-belt truss in tall buildings based on maximization of the belt truss strain energy"; International Journal of Engineering, Vol. 26, No. 7, 693-700, 2013. [DOI:10.5829/idosi.ije.2013.26.07a.03]
8. [8] Raj Kiran Nanduri, P.M.and Suresh, B. and Thtesham Hussain, MD. ; "Optimum position of outrigger system for high-rise reinforced concrete buildings under wind and earthquake loadings"; American Journal of Engineering Research (AJER), e-ISSN: 2320-0847 p-ISSN: 2320-0936 Volume-02, Issue-08, pp-76-89-2013.
9. [9] Eltobgy, H.; "Optimum belt truss locations to enhance the structural performance of high-rise steel buildings"; Wulfenia Journal Klagenfurt.Ausria. Vol 20, No. 6; 2013.
10. [10] Moinuddin, M.I and Afrozkhan, M.; "A Study for the optimum location of outriggers for high-rise concrete buildings"; International Journal of Advanced Trends in Computer Science and Engineering, Vol.2, No.1, Pages: 628 - 633; 2013.
11. [11] Kheyroddin, A., Omrani, R., "Influence of outrigger-belt truss on behavior of tall steel buildings with concrete core and circular plan", Journal of Structural and Construction Engineering 3 (1), 84-98, 2016.
12. [12] Mashhadiali, N., Kheyroddin, A., "Optimum design of tall tube-type building: An approach to structural height premium". World Academy of Science, Engineering and Technology, International Science Index, Civil and Environmental Engineering, 12(6), 2176, 2018
13. [13] Hemmati, A., Kheyroddin, A.,"Behavior of large-scale bracing system in tall buildings subjected to earthquake loads", Journal of Civil Engineering and Management. Volume 19, Issue 2, April 2013, pages 206-216. [DOI:10.3846/13923730.2012.741613]
14. [14] "Iranian Code of practice for seismic resistant design of buildings", Standard No.2800-05, Third Edition, 2005.
15. [15] Structural Design Requirements, "Uniform building code", 1997.

Add your comments about this article : Your username or Email:

Send email to the article author