Rheological Model Identification of Debris Filled with Mud Weak Interlayer

Xiang Tao Xu; Hua Li; Qiu Xiang Huang

doi:10.4028/www.scientific.net/AMR.838-841.671

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 838-841Rheological Model Identification of Debris Filled...

Rheological Model Identification of Debris Filled with Mud Weak Interlayer

Abstract:

Under the shear rheological conditions, debris filled with mud weak interlayer shows viscoelastic rheological laws. On the basis of non-linear regression analysis of rheological parameters, the relationship between shear stress and rheological parameters was researched. The study reveals that, with the increase of shear stress, weak interlayers instantaneous deformation, constant strain rate and the final elastic strain increase, while the delay time has not been found certain regularity. Under the shear rheological conditions, when the stress level is low, the constitutive model of weak interlayer can be described by Burgers model; when the stress level is high, Cvisc model should be used.

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Periodical:

Advanced Materials Research (Volumes 838-841)

Pages:

671-674

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.838-841.671

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Online since:

November 2013

Authors:

Xiang Tao Xu, Hua Li, Qiu Xiang Huang

Keywords:

Constitutive Model, Model Identification, Rheological Test, Weak Interlayer

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References

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