Abstract
Modern technologies of 3D computer modelling with the help of finite‐element methods of numerical analysis in non‐linear aproach enable a reliable simulation of real reinforced concrete slabs behaviour under the conditions of complicated stress‐strain state in all the stages of their behaviour under loading, including a stage of elasticity‐plasticity state in concrete and reinforcement as well as formation and development of destruction mechanism. Numerical methods of modelling of critical behaviour of structures go beyond the borders of scientific research, being increasingly applied for solving non‐trivial engineering tasks when it becomes evident that possibilities of analytical approach, acceptable for the existing design codes are not sufficient. In such a case an exceptional attention is to be paid for verification of calculated models against experimental research of similar numeric models. This article reviews a case of complex experimental‐theoretical and numerical calculation and analysis methods applied for a reinforced concrete floor slab and column connection. The object of research is of exceptional interest as for practical calculation methods for this type of constructions following design norms of different countries revision and additional processing are necessary. The results of the reinforced concrete floor slab and column junction computer model non‐linear numerical analysis are presented and compared with the results of an experimental study.
Highlights
Over the last years, numerical simulation has evolved from a specific research application to a fully accepted and widely used tool for product and process optimization
Application of numerical analysis methods based on finite elements theory for solving practical tasks allow to perform virtual testing of structures and explore their behaviour under load and other effects under different conditions taking into account elastic and plastic behaviour of materials, appearance and development of splints, cracks and other damages, and to simulate the failure mechanism and its consequences, and in this way to evaluate in objective way the working reserve of the structures [17]
The goal of this paper is to present recent experiences in the field of computer simulation methods of concrete structures and their potential for practical engineering work, the role of analytical numerical analysis of concrete structures in relation to experimental studies and structural design methods
Summary
Numerical simulation has evolved from a specific research application to a fully accepted and widely used tool for product and process optimization. Implementation of computer simulation methods in the field of analysis of building structures, including the ones of reinforced concrete, is becoming an increasingly effective tool used by scientific researchers and practising engineers. Application of numerical analysis methods based on finite elements theory for solving practical tasks allow to perform virtual testing of structures and explore their behaviour under load and other effects under different conditions taking into account elastic and plastic behaviour of materials, appearance and development of splints, cracks and other damages (disintegration), and to simulate the failure mechanism and its consequences, and in this way to evaluate in objective way the working reserve of the structures [17]. The goal of this paper is to present recent experiences in the field of computer simulation methods of concrete structures and their potential for practical engineering work, the role of analytical numerical analysis of concrete structures in relation to experimental studies and structural design methods
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