通过作者查论文: Mei Zhou

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作者: Xiao Fan Zhang, Mei Zhou, Bin Zhang
摘要: the self-igniting coal gangue in Gaode Mine, Fuxin city of Liaoning Province by physical and chemical method.first,orthogonal test was applied to study the influence of the fineness of coal gangue on strength of the bonding material;then on the basic of it,use this method again to clarify the effects of self-igniting coal gangue's addition on th strength of bonding material.The results of this experiment showed that self-igniting coal gangue can be used as cement’s active admixture .range analysis and variance analysis indicated that the amount of coal gangue had significant influence on binding material’s strength ,and it will make the material have outstanding performance when proportion reaches to 25%~35% of material sum, at the premise that the variety and the content of activator is suitable.The study on self-igniting coal gangue cement could not only widen the application area of coal gangue and the variety of cement ,but also solve the problem of environmental pollution caused by the great quantity of coal gangue.According with building materials industry's developing concept about saving energy,reduceing pollution,protecting the environment, green environmental protection etc in 21st century .
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作者: Mei Zhou, Xiao Ming Yang, Kun Song
摘要: this paper got the compressive stress-strain fitting curve of crumb rubber plastic concrete, analyzed the influencing factors of elastic modulus of crumb rubber plastic concrete and found the influence law of specimen size and measuring distance to measured value of elastic modulus, through our experiments. The results of our experiments show that the method and operation of experiment strongly influence the measured value of elastic modulus of crumb rubber plastic concrete, but we can use the measures of step loading, screening and fitting curve to get the relatively exact measured value of elastic modulus of plastic concrete. And then, this paper analyzed a 16 sets of uniform experiment results with regression analysis method. As a result, we found the main influencing factors of elastic modulus of crumb rubber concrete are cement mixing amount, crumb rubber mixing amount and product of water-binder ratio and water reducer mixing amount, which the importance of them decreases progressively. Finally, this paper established the prediction equation of elastic modulus of crumb rubber concrete and found the connection of elastic modulus of crumb rubber concrete with specimen size and measuring distance.
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