PEMODELAN NUMERIK PERILAKU KERUNTUHAN BALOK TINGGI BETON BERTULANG

Yosafat Aji Pranata, Bambang Suryoatmono

Abstract


Strut-and-tie model is design method based on D and B regions comprehension of reinforced concretestructures. Strut-and-tie model developed by Schlaich [Schlaich et al., 1987] at Uni-Stuttgart, Jerman.And then developed [Adebar et al., 1990; Jirsa et al., 1991; Reineck, 1996, 1999, 2002; ACI 318R,2002, 2005, 2008]. Objectives of this research are to study strut-and-tie method for design ofreinforced concrete deep beam, numerical simulation study using finite element method ADINA tofound out parameters fir strut-and-tie method. Sample beam that used in this research is based onHardjasaputra’s deep beam experimentals report [Hardjasaputra, 2006]. Results from this researchindicated that %-relative difference (displacement) between ADINA simulation and experimentalrange from 25,49%-27,71%. %-relative difference (z-strain) between ADINA simulation andexperimental range from 10,53%-17,25%. Value of uniaxial cut-off tensile stress (fct) affect to ultimitload that can beam reached.

Keywords: Strut-and-tie model, Deep beam, Reinforced Concrete, Finite element method.


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