Search Results - "Karihaloo, B.L."

Flexural behavior of RC beams retrofitted with ultra-high strength concrete by Ramachandra Murthy, A., Karihaloo, B.L., Priya, D. Shanmuga

“…•A new methodology for repair and retrofitting of damaged RC beams with ultra high strength concrete strip.•No delamination is observed in any of the…”
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Fracture process zone size and true fracture energy of concrete using acoustic emission by Muralidhara, S., Prasad, B.K. Raghu, Eskandari, Hamid, Karihaloo, B.L.

“…Acoustic emission (AE) energy, instead of amplitude, associated with each of the event is used to estimate the fracture process zone (FPZ) size. A steep…”
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Simulation of self-compacting concrete flow in the J-ring test using smoothed particle hydrodynamics (SPH) by Abo Dhaheer, M.S., Kulasegaram, S., Karihaloo, B.L.

“…A range of SCC mixes with 28-day cube compressive strength between 30 and 80MPa has been prepared in the laboratory, and the time t500J (the time when the mix…”
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Influence of mix composition and strength on the fracture properties of self-compacting concrete by Alyhya, W.S., Abo Dhaheer, M.S., Al-Rubaye, M.M., Karihaloo, B.L.

“…•Role of composition parameters of SCC mixes on their fracture behaviour examined.•Specific fracture energy increases as coarse aggregate volume fraction…”
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Eshelby formalism for nano-inhomogeneities by Duan, H.L, Wang, J, Huang, Z.P, Karihaloo, B.L

“…The Eshelby formalism for inclusion/inhomogeneity problems is extended to the nano-scale at which surface/interface effects become important. The interior and…”
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Bilinear tension softening diagrams of concrete mixes corresponding to their size-independent specific fracture energy by Ramachandra Murthy, A., Karihaloo, B.L., Iyer, Nagesh R., Raghu Prasad, B.K.

“…•A procedure for constructing bilinear tension softening diagrams of concrete mixes.•The tension softening diagram corresponds to the size-independent fracture…”
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A scaling law for properties of nano-structured materials by Wang, J, Duan, H.L, Huang, Z.P, Karihaloo, B.L

“…In this brief communication, we identify intrinsic length scales of several physical properties at the nano-scale and show that, for nano-structures whose…”
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Size-independent fracture energy in plain concrete beams using tri-linear model by Muralidhara, S., Raghu Prasad, B.K., Karihaloo, B.L., Singh, R.K.

“…► The present study is aimed to obtain size independent fracture energy and the length of the fracture process zone in concrete, using acoustic emission…”
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Influence of processing defects on the measured properties of Cu–Al2O3 composites: A forensic investigation by Shabana, Y.M., Karihaloo, B.L., Zhu, H.X., Kulasegaram, S.

“…The measured mechanical and physical properties of copper–alumina (Cu–Al2O3) composites are influenced by the defects induced during the manufacturing of the…”
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Dynamic response of a cracked piezoelectric ceramic under arbitrary electro-mechanical impact by Chen, Zeng-tao, Karihaloo, B.L.

“…The dynamic response of a cracked piezoelectric ceramic under in-plane electric and anti-plane mechanical impact is investigated by the integral transform…”
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Fatigue behaviour of damaged RC beams strengthened with ultra high performance fibre reinforced concrete by Ramachandra Murthy, A., Karihaloo, B.L., Vindhya Rani, P., Shanmuga Priya, D.

“…•UHPFRC – a novel and advanced repair and retrofitting material.•No delamination was observed during testing.•An integrated FE model was developed. This paper…”
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Reorientation of short steel fibres during the flow of self-compacting concrete mix and determination of the fibre orientation factor by Deeb, R., Karihaloo, B.L., Kulasegaram, S.

“…A simple method has been developed to assess the orientation and distribution of short steel fibres in self-compacting concrete mixes during flow. The flow of…”
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A new fatigue failure theory for multidirectional fiber-reinforced composite laminates with arbitrary stacking sequence by Dong, H., Li, Z., Wang, J., Karihaloo, B.L.

“…•A fatigue failure theory for fiber-reinforced composite laminates is developed.•The theory predicts the fatigue life, residual strength and failure…”
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Simulation of the flow of self-compacting concrete in the V-funnel by SPH by Alyhya, W.S., Kulasegaram, S., Karihaloo, B.L.

“…The flow of self-compacting concrete (SCC) mixes through a V-funnel is simulated from the moment the gate is opened until the time when the light was first…”
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Development of self-compacting high and ultra high performance concretes with and without steel fibres by Deeb, R., Ghanbari, A., Karihaloo, B.L.

“…This paper describes the steps taken to develop self-compacting high and ultra high-performance concretes with and without steel fibres. For the…”
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An improved Puck’s failure theory for fibre-reinforced composite laminates including the in situ strength effect by Dong, H., Wang, J., Karihaloo, B.L.

“…Fibre-reinforced composites are being used more and more widely in many fields. However, the theoretical prediction of the failure of these composites is still…”
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Constitutive modelling of ferroelectric composites with a PSZ matrix by Jiang, Bing, Karihaloo, B.L.

“…Constitutive relations of ferroelectric composites with a transformable partially stabilized–zirconia (PSZ) matrix are developed based on the mean field…”
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Size-dependent effective elastic constants of solids containing nano-inhomogeneities with interface stress by Duan, H.L., Wang, J., Huang, Z.P., Karihaloo, B.L.

“…The fundamental framework of micromechanical procedure is generalized to take into account the surface/interface stress effect at the nano-scale. This…”
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Multi-scale dynamic fracture model for quasi-brittle materials by Petrov, Y.V., Karihaloo, B.L., Bratov, V.V., Bragov, A.M.

“…The dynamic fracture of quasi-brittle heterogeneous materials is governed by processes at several different scale levels. Each of these processes is either…”
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Dynamic strengths and toughness of an ultra high performance fibre reinforced concrete by Bragov, A.M., Petrov, Yu.V., Karihaloo, B.L., Konstantinov, A.Yu, Lamzin, D.A., Lomunov, A.K., Smirnov, I.V.

“…• Dynamic behaviour of an ultra high performance fibre reinforced concrete is investigated. • The incubation time criterion for dynamic fracture in…”
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