Lei Guo1,2,3, Zekun Wang1, Lixia Guo1,2,3,*, Pingping Chen1
Journal of Renewable Materials, Vol.11, No.1, pp. 453-471, 2023, DOI:10.32604/jrm.2023.023315
Abstract Taking an industrial sludge and its preparation of sludge wrap shell aggregates (WSAs) instead of sand to prepare baking-free brick as the research object, the development law of mechanical properties and the influence mechanism of macro and micro characteristic parameters of the bricks under different sludge and WSAs replacement rates were studied through the macroscopic mechanical properties test, with the help of nuclear magnetic resonance (NMR), transmission electron microscopy-energy spectrum and other testing technology and pores and cracks analysis system (PCAS) software. The results showed that the compressive strength of each sample decreased with the increase of sludge content. When… More >
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