Experimental Study on Development Characteristics of Dynamic Pore-Water Pressure of Anti-Filter Material in High Earth-Rock Dam

Fan Li Meng; Li Shuang Pan; Cheng Yuan Lu

doi:10.4028/www.scientific.net/AMR.250-253.2435

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 250-253Experimental Study on Development Characteristics...

Experimental Study on Development Characteristics of Dynamic Pore-Water Pressure of Anti-Filter Material in High Earth-Rock Dam

Abstract:

A series of dynamic triaxial tests which used saturated samples of three different particle size distribution anti-filter materials in high earth-rock dams have been investigated for the development of dynamic pore-water pressure. The experimental results show that the relationship between μ_d/σ'_m and N/N_f in the same consolidation condition are unitary if we applied different dynamic stress to the same particle size distribution anti-filter material. Besides, if N/N_f <0.6, the value of μ_d/σ'_m increases quickly. The increase rate of μ_d/σ'_m will be slower if N/N_f≥0.6. When the consolidation stress ratio is invariant, the change of ambient pressure has no effect on relationship between μ_d/σ'_m and N/N_f. When the gradation and ambient pressure of anti-filter material are changeless, the change of consolidation stress ratio has obvious effects on relationship between μ_d/σ'_m and N/N_f. When the value of consolidation stress ratio is increase, the number of dynamic pore-water pressure ratio obviously decrease. When the consolidation condition of anti-filter material is changeless, the change of anti-filter material’s grade doesn’t have obvious effects on the relationship between μ_d/σ'_m and N/N_f.

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Periodical:

Advanced Materials Research (Volumes 250-253)

Pages:

2435-2439

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.250-253.2435

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Online since:

May 2011

Authors:

Fan Li Meng, Li Shuang Pan, Cheng Yuan Lu

Keywords:

Anti-Filter Material, Consolidation Stress Ratio, Dynamic Pore-Water Pressure, Dynamic Triaxial Test

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