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"Waste glass used in ambient cured alkali-activated materials" by Yuqin Qian

Alkali-activated binder offers a large reduction in CO2 emissions (up to 80%) compared to ordinary Portland cement (OPC), promoting alkali-activated binder as a component of sustainable concrete constructions. Alkali-activated mortar and concrete exhibit better engineering properties and durability than OPC mortar and concrete, respectively. In addition, alkali-activated mortar and concrete can effectively include by-products and waste materials. Waste glass can be reused as raw material in the construction industry to reduce the negative impacts on the environment and preserve natural resources. However, the use of waste glass as construction material still remains under-utilised and inadequately explored, and there is a significant opportunity for the expansion of the value-added use of waste glass. This thesis presents a research study on the use of waste glass powder and waste glass sand in ambient cured alkali-activated mortars (AAMs) and concrete (AAC). ....

Alkali Activated Mortar , Alkali Activated Concrete , Glass Powder , Glass Sand , Engineering Properties , Ond Slip Behaviour ,

"Use of waste glass as fine aggregate in ambient cured alkali-activated" by Yuqin Qian, M. Neaz Sheikh et al.

This study investigated the feasibility of using two types of waste glass sand as fine aggregate replacement in ambient cured alkali-activated mortars (AAMs). Fly ash (FA) and ground granulated blast furnace slag were used as aluminosilicate source materials to produce the AAMs. The waste glass sand was used to replace 0%, 25%, 50%, 75%, and 100% fine aggregate (by mass) in AAMs. The influences of the use of waste glass sand, for the replacement of fine aggregate, on slump flow, setting time, compressive strength, and flexural strength of ambient cured AAMs were evaluated. It was found that the slump flow and setting time of ambient cured AAMs significantly increased as the percentage of replacement of fine aggregate by waste glass sand increased. However, the compressive and flexural strengths of ambient cured AAMs decreased when 50% and over fine aggregate were replaced by waste glass sand. The ambient cured AAMs with 25% replacement of fine aggregate with waste glass sand achieved t ....

Alkali Activated Mortar , Mechanical Properties , Aste Glass Sand ,