Journal
CONSTRUCTION AND BUILDING MATERIALS
Volume 157, Issue -, Pages 300-312Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2017.09.107
Keywords
Cement kiln dust; Concrete paving blocks; Compressive and tensile splitting strengths; Abrasion resistance; Slip/skid resistance; Hydrochloric acid
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This research aims at evaluating the physico-mechanical and durability-related properties of concrete paving blocks containing cement kiln dust (CKD) used as a partial replacement or as an addition to cement. Results indicated that up to 40% CKD could be used for producing environmental-friendly paving blocks for heavy traffic applications, while 60% CKD blocks are suitable for areas subjected to medium traffic applications such as in city streets. Furthermore, 40-60% CKD blocks are not recommended for use in applications where it will be subjected to high concentration of hydrochloric acid such as in industrial floors because of their inferior long-term performance. (C) 2017 Elsevier Ltd. All rights reserved.
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