A study on the parameters affecting the properties of Portland limestone cements

被引:142
作者
Tsivilis, S
Chaniotakis, E
Badogiannis, E
Pahoulas, G
Ilias, A
机构
[1] Natl Tech Univ Athens, Inorgan & Analyt Chem Lab, GR-15773 Athens, Greece
[2] Titan Cement Co SA, Dept Res & Dev, Elefsis 19200, Greece
关键词
Portland limestone cement; clinker quality; limestone quality; limestone content; cement fineness; compressive strength; physical properties;
D O I
10.1016/S0958-9465(98)00031-6
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
In this paper the parameters affecting the properties of Portland limestone cements are investigated. Portland limestone cements of different fineness and limestone content have been produced by intergrinding clinker, gypsum and limestone. Two kinds of clinker of different chemical composition, mineralogical composition and strength development and three limestones, with different contents of calcite, dolomite, quartz and clay, have been used. It is concluded that the appropriate choice of the clinker quality, limestone quality, % limestone content and cement fineness can lead to the production of a limestone cement with the desired properties. Limestone cements, having up to 10% limestone content and fineness up to a limit value, develop almost the same compressive strength, as the corresponding pure cements. The limestone cements, generally have lower paste water demand than the relative pure cements and the water demand decrease is mainly affected by the clinker type and limestone quality. In any case the properties of the limestone cements are affected by the interaction of the two components rather than their individual properties. (C) 1999 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:107 / 116
页数:10
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