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Static And Dynamic Properties Of Controlled Low-Strength Materials Incorporating Treated Oil Sands Waste, Ahmed Mneina
Static And Dynamic Properties Of Controlled Low-Strength Materials Incorporating Treated Oil Sands Waste, Ahmed Mneina
Electronic Thesis and Dissertation Repository
Controlled Low-Strength Materials (CLSM) is a self-compacted self-leveling cementitious material with compressive strength of 8.3 MPa or less. It is used as an alternative of soil backfill materials in geotechnical and infrastructure applications. This study investigates the effects of incorporating treated oil sand wastes (TOSW) as a partial replacement of sand or fly ash on fresh and hardened properties of CLSM. In addition, the environmental impact of the proposed new mixtures was evaluated. The results show that CLSM mixtures incorporating TOSW had satisfied the limits and requirements of ACI committee 229 for CLSM with no environmental hazards. The incorporation of …
Confrontational Stigma And Contested ‘Green’ Developments: Biosolid Facility Siting In The Rural Landscape, Sarah A. Mason-Renton
Confrontational Stigma And Contested ‘Green’ Developments: Biosolid Facility Siting In The Rural Landscape, Sarah A. Mason-Renton
Electronic Thesis and Dissertation Repository
This thesis examines responses and reappraisal of a proposed and now operational biosolid (sewage sludge) processing facility, the Southgate Organic Material Recovery Centre (OMRC), in the Township of Southgate in rural Ontario. This research is grounded in geographical literatures related to the geography of health, emotional geography, and risk perception and facility siting. The significance of this research is based on a relative absence of literature on public perceptions of transformed waste products, such as biosolids, in rural landscapes and the need to better understand these perceptions and felt impacts in the context of rural residents’ attachments to place. This …