Heat Evolution and Hydration Kinetics of Steel Slag Powder-Cement Composite Binder

doi:10.11988/ckyyb.20170709

PDF(2182 KB)

Journal of Changjiang River Scientific Research Institute ›› 2018, Vol. 35 ›› Issue (12) : 138-142. DOI: 10.11988/ckyyb.20170709

HYDRAULIC STRUCTURE AND MATERIAL

Heat Evolution and Hydration Kinetics of Steel Slag Powder-Cement Composite Binder

GAO Zhi-yang¹, WANG Sheng-wen², Lü Xing-dong¹, LI Xiang¹, JIANG Ke¹

Author information +

History +

Abstract

A kinetic study by heat evolution is reported to research the influences of the dosages and fineness of steel slag powder on the hydration process and mechanism of cement. Results demonstrate that fine steel slag powder shortens the induction period; on the contrary, coarse steel slag powder delays the induction period. The acceleration period shortens in the presence of 15% dosage of steel slag powder, while elongates when the content of steel slag powder exceeds 15%. Increasing the specific surface area or dosage of steel slag powder brings forward the third exothermic peak. The total heat release declines with the increase of steel slag powder content; but climbs with the increase of specific surface area. The acceleration period is controlled by the nucleation kinetics. In the acceleration period, steel slag powder would cut the reaction resistance; but with the increasing of steel slag powder content, reaction resistance rebounds slightly. Moreover, the reduction of fineness also boosts the reaction resistance. Decay period is controlled by diffusion; diffusion resistance increases and then decreases with the increasing of steel slag powder, and increases with the increasing of specific surface area.The research findings lay a foundation for further studies on the hydration heat and hydrokinetics of steel slag powder-cement composite material.

Key words

steel slag powder-cement composite binder / content of steel slag / fineness / hydration heat / hydration kinetics

Cite this article

EndNote

Ris (Procite)

Bibtex

Download Citations

GAO Zhi-yang, WANG Sheng-wen, Lü Xing-dong, LI Xiang, JIANG Ke. Heat Evolution and Hydration Kinetics of Steel Slag Powder-Cement Composite Binder[J]. Journal of Changjiang River Scientific Research Institute. 2018, 35(12): 138-142 https://doi.org/10.11988/ckyyb.20170709

References

[1] SHI C. Characteristics and Cementitious Properties of Ladle Slag Fines from Steel Production[J] . Cement and Concrete Research, 2002,32(3): 459-462.
[2] KOUROUNIS S, TSIVILIS S, TSAKIRIDIS P E, et al. Properties and Hydration of Blended Cements with Steelmaking Slag[J] . Cement and Concrete Research, 2007,37(6): 815-822.
[3] ALTUN A, YILMAZ . Study on Steel Furnace Slags with High MgO as Additive in Portland Cement[J] . Cement and Concrete Research, 2002, 32(8): 1247-1249.
[4] 王强,阎培渝.大掺量钢渣复合胶凝材料早期水化性能和浆体结构[J] .硅酸盐学报, 2008,36(10): 1406-1410.
[5] YAN P, MI G, WANG Q. A Comparison of Early Hydration Properties of Cement-steel Slag Binder and Cement-limestone Powder Binder[J] . Journal of Thermal Analysis and Calorimetry, 2014, 115(1): 193-200.
[6] WANG Q, YAN P, FENG J. A Discussion on Improving Hydration Activity of Steel Slag by Altering Its Mineral Compositions[J] . Journal of Hazardous Materials, 2011, 186(2/3): 1070-1075.
[7] 唐明述, 袁美栖, 韩苏芬,等. 钢渣中MgO、FeO、MnO的结晶状态与钢渣的体积安定性[J] .硅酸盐学报, 1979,(1):37-48,109-111.
[8] WANG Q, YAN P. Hydration Properties of Basic Oxygen Furnace Steel Slag[J] . Construction and Building Materials, 2010, 24(7): 1134-1140.
[9] ZHU X, HOU H, HUANG X, et al. Enhance Hydration Properties of Steel Slag Using Grinding Aids by Mechanochemical Effect[J] . Construction & Building Materials, 2012, 29(4): 476-481.
[10] WU X, ZHU H, HOU X,et al. Study on Steel Slag and Fly Ash Composite Portland Cement[J] . Cement & Concrete Research, 1999,29(7): 1103-1106.
[11] WANG Q, YANG J, YAN P. Cementitious Properties of Super-fine Steel Slag[J] . Powder Technology, 2013, 245(8): 35-39.
[12] 袁润章. 胶凝材料学[M] .武汉:武汉理工大学出版社,1996.
[13] PAGE C L, SHORT N R, ZENG S. Early-age Hydration Kinetics of Polymer-modified Cement[J] . Advances in Cement Research, 1996,(8): 1-9.
[14] TYDLITAT V, MATAS T, CERNY R. Effect of w/c and Temperature on the Early-stage Hydration Heat Development in Portland-limestone Cement[J] . Construction and Building Materials, 2014, 50(2): 140-147.
[15] HAN F, ZHANG Z, WANG D, et al. Hydration Heat Evolution and Kinetics of Blended Cement Containing Steel Slag at Different Temperatures[J] . Thermochimica Acta, 2015, 605: 43-51.
[16] TAYLOR H F W.Cement Chemistry[M] . London: ICE Publishing, 1997.
[17] LIU S, KONG Y, WANG L. A Comparison of Hydration Properties of Cement-low Quality Fly Ash Binder and Cement-limestone Powder Binder[J] . Journal of Thermal Analysis and Calorimetry, 2014, 116(2): 937-943.
[18] 吴学权.矿渣水泥水化动力学的研究[J] .南京工业大学学报(自然科学版), 1987,(2): 23-29.
[19] GRUYAERT E, ROBEORST N, BELIE N D. Study of the Hydration of Portland Cement Blended with Blast-furnace Slag by Calorimetry and Thermogravimetry[J] . Journal of Thermal Analysis and Calorimetry, 2010, 102(3): 941-951.
[20] IONESCUIONESCU D, MEADOWCROFT T R, BARR P V, et al. Early-age Hydration Kinetics of Steel Slags[J] . Advances in Cement Research, 2001, 13(1): 21-30.
[21] KRSTULOVI R, DADI P. A Conceptual Model of the Cement Hydration Process[J] . Cement and Concrete Research, 2000, 30(5): 693-698.