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Numerical Modeling on Mechanical Properties of Cemented Phosphogypsum Stabilized Soil

Litang Zheng, Weikang Mao, Bingfei Liu

Abstract


Phosphogypsum is an industrial waste with a large stock and will show a great threat to people's lives. The study of its mechanical properties is particularly important for engineering applications. The objective of the work is to discuss the influence mechanism of cemented phosphogypsum-stabilized soil by different parameters and provide a research basis for the engineering application of phosphogypsum as road subgrade. The main analysis methods are as follows. The published mechanical test data of cemented phosphogypsum-stabilized soil are firstly collected in this work, and the numerical models for describing the compaction properties, liquid-plastic limit properties, unconfined compressive strength, and the cracking properties of cemented phosphogypsum-stabilized soil are then established by numerical fitting. Based on the verified model, the effects of different parameter factors on the mechanical behavior of cemented phosphogypsum-stabilized soil are finally carried out. The results show that the numerical model can effectively predict the influence of different factors on the mechanical properties of materials and is in good agreement with the test results. The novelty of this work is establishing the numerical modeling on the mechanical properties of cemented phosphogypsum-stabilized soil, considering the effects of different parameter factors.

 

Doi: 10.28991/HIJ-2025-06-01-01

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Keywords


Phosphogypsum; Mechanical Properties; Numerical Modeling; Stabilized Soil.

References


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Full Text: PDF

DOI: 10.28991/HIJ-2025-06-01-01

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