Reinforced Concrete Corbel’s Behavior using Strut and Tie Model

https://doi.org/10.22146/jcef.28221

Mutmainnah Rahman Putri(1*)

(1) Ministry of Public Works and Housing, Jakarta
(*) Corresponding Author

Abstract


Reinforced concrete (RC) corbel is one of a disturbed region of elements of the structure. SNI 2847: 2013 as a guideline from Ministry of Public Works provides the design of RC corbels by the conventional method and with Strut and Tie Model (STM). The aim of this study is to determine and compare the behaviors of corbels experimentally that designed with both methods. The testing was conducted on two series of specimens and each series consisted of two specimens. Group 1 was designed using conventional method while group 2 designed using Strut and Tie Model. The axial column was tested under 50 kN fixed axial loads and corbels was tested under monotonic loads gradually increased up to failure. The results showed that with the provided steel and compressive strength of concrete, the shear capacity using the conventional method by analysis and experimental respectively were 363.164 kN and 345.7 kN, while the shear capacity using Strut and Tie Model by analysis and experimental respectively were 306.953 kN and 299.35 kN. The shear capacity of specimens using conventional method was 13.40 % greater than by using Strut and Tie Model and the shear capacity for each conventional and STM method were 1.9232 and 1.6653 greater than designated load.


Keywords


corbel; reinforced concrete; strut and tie; experiment; shear capacity

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References

ACI Committee, 2002. Building code requirements for structural concrete : (ACI 318-02) and commentary (ACI 318R-02), Farmington Hills: American Concrete Institute.

ACI Committee, 2005. Building Code Requirements for Structural Concrete and Commentary & PCA Notes on 318-05, Farmington Hills: American Concrete Institute.

ACI Committee, 2011. Building Code Requirements for Structural Concrete (ACI 318M-11), Farmington Hills: American Concrete Institute.

ACI Committee, 2014. Building Code Requirements for Structural Concrete and Commentary ACI 318-14, Farmington Hills: American Concrete Institute.

Attaullah, S., Ehsanul, H. & Salimullah, K., 2011. Analysis and Design of Disturbed Regions in Concrete Structures. Procedia Engineering, pp. 3317-3324.

Fu, C. C., Sircar, M. & Robert, J., 2011. Maryland Experience in Using Strut-and-Tie Model in Infrastructures.

Ministry of Public Works, 2013. SNI 2847:2013 Persyaratan Beton Struktural untuk Bangunan Gedung, Jakarta: Ministry of Public Works.



DOI: https://doi.org/10.22146/jcef.28221

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