Determination of Bingham Parameters of Fresh Portland Cement Concrete Using Concrete Shear Box

Girish, S.; Santhosh, B. S.

doi:10.9756/bijiems.1620

Cited by 4 publications

(2 citation statements)

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“…Rheological properties of cement-based material can characterize its workability (Jiao et al, 2017;Jae et al, 2018), which has a direct impact on the strength, durability, appearance and cost (Girish and Santhosh, 2012). In the rheological stage, cement paste plays a major role in controlling rheological properties (Jae et al, 2018), and its constitutive relation is given as Cheng and Evans (1965), Lapasin et al (1983) and Tao et al (2020).…”

Section: Introductionmentioning

confidence: 99%

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Rheological model of cement-based material slurry with different water-cement ratio and temperature

Dong,

Chen,

Yang

et al. 2024

MMMS

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PurposeThe purpose of this paper is to obtain a constitutive model of cement-based material in the rheological stage, which owns the different water-cement ratio (w/c) and temperature and have a significant impact on the workability of concrete materials.Design/methodology/approachIt is introduced a modified Arrhenius equation into the Herschel–Bulkley model, which is widely applied in rheological analysis and constructed an ordinary differential equation (ODE) of w/c from the Navier–Stokes equation. By solving the ODE, an approximate constitutive relation of cement-based materials included w/c and temperature is derived. Compared with the experimental results, the present model is validated.FindingsThe shear stress and shear rate curves with different w/c and temperature are simulated by the present method, and the present model can be applied to analyze the changes of apparent viscosity in cement-based material slurry as the w/c and temperature varying.Originality/valueThis work gives a mathematical model, which can effectively approximate the shear stress–shear rate relation with different w/c and temperature in the rheological stage of cement-based material.

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Section: Introductionmentioning

confidence: 99%

“…, 2017; Jae et al. , 2018), which has a direct impact on the strength, durability, appearance and cost (Girish and Santhosh, 2012). In the rheological stage, cement paste plays a major role in controlling rheological properties (Jae et al.…”

Section: Introductionmentioning

confidence: 99%