Natural zeolite as environmentally friendly supplementary cementitious material in concrete

Abstract

Selected mechanical, thermal, hygric, and durability properties of several concrete mixes containing natural zeolite as partial replacement of Portland cement are studied and compared with reference concrete. Experimental results show that natural zeolite has a potential to replace a part of Portland cement in concrete in the building industry. However, it is shown that although from both environmental and economical points of view it would be desirable to use its highest possible amounts in concrete production, the extent of Portland cement replacement which could be chosen in preparation of concrete mixes has relatively strict limitations. Concrete with the replacement of Portland cement by natural zeolite in the amount of 20% by mass is found to be the most suitable solution among the analyzed mixes.

The Potential to Replace Cement with Nano‐Calcium Carbonate and Natural Pozzolans in Cemented Mine Backfill

“…Volcanic pumice properties vary by source and location due to different ash formation conditions, mineral components, and grain size characteristics [47][48][49]. Addition of zeolite enhanced the mechanical properties, durability, and performance of concrete [50][51][52][53]. Many industrial wastes also have pozzolanic properties [54].…”

Efficacy of Natural Zeolite and Metakaolin as Partial Alternatives to Cement in Fresh and Hardened High Strength Concrete

“…By fulfilling current and future demands, the notion of sustainability enhances human well-being and quality without compromising it. Due to urbanization, population expansion, and economics, the construction sector directly influences the environment by utilizing cement [5,6]. It is necessary to use sustainable building materials or processes to minimize carbon dioxide emission and moderate global warming [7].…”

Recycling ceramic waste powder: effects its grain-size distribution on fresh and hardened properties of cement pastes/mortars formulated from SCC mixes

“…Using ceramic waste in concrete production has been increasingly attracting researchers and practitioners in the last decade, both as replacement of cement [6][7][8] and as a raw material for the production of alternative clinkers [9][10][11]. Pozzolanic activity of the waste has been confirmed, which has led to setting some upper bound limits on the ceramic-to-cement replacement ratios (35%), in order to temper the negative effects on strength development [10].…”