Study of Numerical Modeling for Reduction Rate of Porosity of Sand under Equal Amplitude Cyclic Loading

Xiang Tao Meng; Wang Lin Li; Xi Wang; Xiao Yan Wei

doi:10.4028/www.scientific.net/AMM.353-356.2652

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 353-356Study of Numerical Modeling for Reduction Rate of...

Study of Numerical Modeling for Reduction Rate of Porosity of Sand under Equal Amplitude Cyclic Loading

Abstract:

According to the geological conditions and operating regimes of Wang river groundwater reservoir of Laizhou in Shandong, through doing sandy one-dimensional equal amplitude circulating compression test, the effect of groundwater level repeated rising or falling on volumes of groundwater reservoir is simulated, the character of porosity changing regulation with circulating period is analyzed, the relation between reduction rate of porosity and circulating period is summarized, and the hyperbolic model of reduction rate of porosity and circulating period is constructed initially, the concept of limiting reduction rate of porosity is proposed, the physical meaning of limiting reduction rate of porosity is analyzed, modifying volumes of groundwater reservoir by limiting reduction rate of porosity is used to reflect the effect of groundwater level repeated lifting on the capacity of groundwater reservoir.

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Periodical:

Applied Mechanics and Materials (Volumes 353-356)

Pages:

2652-2657

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.353-356.2652

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Online since:

August 2013

Authors:

Xiang Tao Meng*, Wang Lin Li, Xi Wang, Xiao Yan Wei

Keywords:

Equal Amplitude Circulating Compression Test, Groundwater Reservoir, Hyperbola, Reduction Rate of Porosity, Reservoir Capacity

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