Limitations and/or disadvantages | Alternatives to reduce adverse effects | References |
---|---|---|
Increase LOI Reduction of workability Lower strength activity index (SAI) Higher drying shrinkage High water absorption Susceptibility towards chemical attack Effect of moisture content on internal bonding Dimensional stability Lower durability Crack formation | Additional treatments Chemical and/or heat treatment of fibres Pre-treatment methods (screening, burning, drying, firing) Incorporation of nanomaterials nano silica, nano alumina Inclusion of bacteria in rice husk Addition of stone dust | [15, 19, 21, 22, 24,25,26, 32, 33, 36, 52, 56, 61, 91, 105, 106, 109,110,111, 113] |