The effect of aggregate on the age at cracking of bonded concrete overlays subjected to restrained deformation by Dittmer, Thomas James

“…The bonded concrete overlay method, where a new repair material layer is cast over an existing damaged substrate, is the most commonly utilized method of repair. However, this repair technique is prone to failure due to differential volume changes between the newly cast repair material and the existing substrate. …”
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Socioeconomic inequalities in COVID-19 outcomes in south Africa by Tshipetane, Anza

“…The insights underline the need for targeted policy interventions that bolster support for vulnerable groups, enhance economic resilience through job creation and social grants, and improve public infrastructure to reduce overcrowding and ensure equitable access to basic utilities. Methods: The study utilised data amalgamated by the National Policy Data Observatory (NPDO), which synthesizes information from the National COVID-19 outcomes surveillance spanning from November 2019 to July 2022 and socioeconomic indicator data from the 2021 General Household Survey (GHS) . …”
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