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has been cited by the following article:

• TITLE: Influence Factor Analysis on Strength of Lime-Fly Ash Loess

  AUTHORS: Yufen Zhang, Zhiquan Zhang

  KEYWORDS: Lime-Fly Ash Loess; Influencing Factors; Unconfined Compression; 90d Strength

  JOURNAL NAME: Engineering, Vol.5 No.6, June 19, 2013

  ABSTRACT: Lime-fly ash loess is composed of fly ash, lime and loess. It is a new material in subgrade backfill. Main factors to influence the strength of lime-fly ash loess are age, amount of fly ash and lime, ratio of fly ash to lime (1:K), and moisture content. In order to observe the effect of each factor influencing the strength of lime-fly ash loess and find out the relationship between each other, this paper adopted orthogonal test design to conduct unconfined compression tests. The result shows that 90d strength can be considered to calculate the strength of lime-fly ash loess in practice. And the most important factor to influence the 90d strength of lime-fly ash loess is the amount of fly ash and lime, the second is moisture content, and then is the ratio of fly ash to lime (1:K). These achievements are significant to the design and application of lime-fly ash loess in subgrade construction of loess areas.