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Investigation of Utilizing Industrial Waste Residue Proportion on Concrete Structure: Computer Finite Element
Baoyuan Wang1,2, Qianhao Tong1, Jichao Zhu1
1Dalian Jiaotong University, Dalian, 116028 Liaoning Province, China.
Abstract:
To study the influence of different proportions and amounts of admixtures on the structural performance of concrete, increase the utilization rate of waste material, and finally reduce the cost and environmental pollution, a computer-based finite element analysis method is proposed to investigate the structural performance of concrete composing of waste residue. Firstly, the available types of industrial waste residue and their application in concrete cementitious materials are researched. Secondly, the fly ash in the industrial waste residue is utilized as an example to design an experiment composed of material selection and mixed design set up to determine factors. Finally, the finite element analysis method is proposed and conducted. This model is employed to calculate early shrinkage stress and temperature deformation of concrete with varying contents of fly ash. The results suggest that when the content of fly ash reaches more than 40%, the compressive strength of concrete decreases gradually with the increase of the content, and the decrease is consistent with the increase of the content. Besides, different amounts of fly ash have a certain effect on the hydrated reaction and stress reduction of concrete. The effect becomes more obvious when an increase in dosage is observed.
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