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[期刊论文] 作者:Harald JUSTNES,, 来源:硅酸盐学报 年份:2015
采用物理和化学方法考察了添加辅助性胶凝材料对水泥水化和耐久性的影响。根据辅助性胶凝材料的相似性和差异性将其分为潜在水化性、火山灰活性,并可进一步分为硅酸盐类、铝...
[会议论文] 作者:Harald Justnes, 来源:The 8th International Symposium on Cement & Concrete(ISCC 20 年份:2013
Calcium sulphate(e.g.gypsum)is the common set regulator in Portland cement.It has been shown that ground clinker can be set regulated by other calcium salts than gypsum that has sufficient solubility,...
[会议论文] 作者:Serina Ng,Harald Justnes, 来源:The 8th International Symposium on Cement & Concrete(ISCC 20 年份:2013
Four different cements made from gypsum mixed with clinkers possessing varying amount of clinker phases were employed to investigate the influence of lignosulfonate on the early age rheological and hy...
[会议论文] 作者:Tobias A.Danner,Harald Justnes,Mette R.Geiker,Rolf A.Lauten, 来源:The 14th International Congress on the Chemistry of Cement ( 年份:2015
The effect of softwood based calcium-and sodium lignosulfonates on the early hydration of pastes of cubic and orthorhombic C3A with gypsum was investigated using isothermal calorimetry, XRD analysis a...
[会议论文] 作者:Klaartje De Weerdt,Harald Justnes,Ulla Hjorth Jakobsen,Mette Rica Geiker, 来源:The 14th International Congress on the Chemistry of Cement ( 年份:2015
When concrete is exposed to seawater, the composition of the outer most millimeters of the concrete will considerably alter compared to the composition of the bulk concrete.Seawater leads to a zoned a...
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