Modelling study on the influence of nano admixture on the strength of high-rise building concrete Online publication date: Thu, 09-Jun-2022
by Jipeng Liu; Fang Yan
International Journal of Microstructure and Materials Properties (IJMMP), Vol. 16, No. 1, 2022
Abstract: To solve the problem of high prediction error of concrete strength in traditional methods, a modelling method of the influence of nano admixtures on the strength of high-rise building concrete is proposed. UHPC concrete was selected as the test object to prepare different test blocks. Establish the concrete strength prediction model based on RBF network, optimise the prediction model, obtain the multivariate nonlinear model, input the material preparation data of nano admixture into the model, output the concrete strength prediction results, and complete the analysis of the impact of nano admixture on concrete strength. The test results show that the compressive strength of concrete reaches the best when the nano content is 1%; When the content of nano admixture is 30%, the flexural strength of concrete is the best; When using this method to predict the strength of concrete test block, the minimum prediction error is only 0.5%.
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