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Influence of cement kiln dust substitution on the mechanical properties of concrete
Faculty
Science
Year:
2000
Type of Publication:
Article
Pages:
371-377
Authors:
Shoaib, MM, Balaha, MM, Abdel-Rahman, AG
DOI:
10.1016/S0008-8846(99)00262-8
Journal:
CEMENT AND CONCRETE RESEARCH PERGAMON-ELSEVIER SCIENCE LTD
Volume:
30
Research Area:
Construction \& Building Technology; Materials Science
ISSN
ISI:000087119100005
Keywords :
cement kiln dust, blast furnace slag cement, acceleration, bond strength, calcium silicate hydrate
Abstract:
Large quantities of cement kiln dust (CKD) are produced during the manufacture of cement clinker by the dry process. The technical and economical problems that arise for the semi-manufacture of raw materials used, energy and transportation of dust from the plant to outside, as well as the severe pollution to the surrounding atmosphere show the necessity of utilizing cement dust as one of the main objectives of our investigation. The cement dust contains a mixture of raw feed as well as calcined materials with some volatile salts. The aim of the present work is to study the effect of cement dust substitution instead of ordinary Portland cement (OPC), blast furnace slag cement (BFSC), and sulphate resistance cement (SRC) on the mechanical properties of some concrete mixes containing them, and also, to determine the optimum quantity of CKD which could be recycled in the manufacture of these types of cements. Useful conclusions and recommendations concerning the use of different amounts of CKD in the production of some blended cements as a partial substitution from different types of cements were obtained. (C) 2000 Elsevier Science Inc. All rights reserved.
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