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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국콘크리트학회 International Journal of Concrete Structures and Materials International Journal of Concrete Structures and Materials Vol.10 No.3 Supplement
- 발행연도
- 2016.9
- 수록면
- 65 - 74 (10page)
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초록· 키워드
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During concrete pumping, the migration and redistribution of particles occur in a pipe and the lubrication layer that forms between the bulk concrete and the pipe wall is the governing factor determining the flow behavior. In order to identify flow behavior of pumping, in this study, the viscoelastic properties related to the microstructural behavior of a flocculated suspension were examined by using dynamic oscillatory measurements. Cement paste is assumed to be a constituent material of the lubrication layer and ten cases of mixing design are employed by changing the proportions of mineral admixtures. The relationship between the yield stress obtained from the steady shear test and the dynamic modulus resulted from the oscillatory shear measurement was derived and the implications of the correlation are discussed. Moreover, based on the investigation of the viscoelastic properties with oscillatory measurements, the initial behavior of pumped concrete was analyzed systematically.
목차
Abstract
1. Introduction
2. Theoretical Background for Viscoelastic Measurements
3. Experimental Program
4. Results and Discussions
5. Conclusions
References
참고문헌 (40)
참고문헌 신청
[단행본] - Ahuja, S. K. / 1980 / Rheology / Springer : 469 ~ 476
[학술지(정기간행물)] - Aleekseev, S. N. / 1952 / On the calculation of resistance in the pipes of concrete pumps / MekhanizatsiyaStroitel’stva 9 (1) : 8 ~ 13
[학술지(정기간행물)] - Asakura, S. / 1958 / Interaction between particles suspended in solutions of macromolecules / Journal of Polymer Science 33 : 183 ~ 192
[학술지(정기간행물)] - Atzeni, C. / 1985 / Comparision between rheological models for portland cement pastes / Cement and Concrete Research 15 : 511 ~ 519
[학술대회논문] - Banfill, P. F. G. / 1990 / Use of a Controlled Stress Rheometer to Study the Yield Stress of Oilwell Cement Slurries / International Conference on Rheology of Fresh Cement and Concrete
[학술지(정기간행물)] - Aleekseev, S. N. / 1952 / On the calculation of resistance in the pipes of concrete pumps / MekhanizatsiyaStroitel’stva 9 (1) : 8 ~ 13
[학술지(정기간행물)] - Asakura, S. / 1958 / Interaction between particles suspended in solutions of macromolecules / Journal of Polymer Science 33 : 183 ~ 192
[학술지(정기간행물)] - Atzeni, C. / 1985 / Comparision between rheological models for portland cement pastes / Cement and Concrete Research 15 : 511 ~ 519
[학술대회논문] - Banfill, P. F. G. / 1990 / Use of a Controlled Stress Rheometer to Study the Yield Stress of Oilwell Cement Slurries / International Conference on Rheology of Fresh Cement and Concrete
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UCI(KEPA) : I410-ECN-0101-2017-532-001401094