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With the shortage of fly ash in south of China and rush towards sustainability, how to use of resources of volcanic powder has become a new field for experts and scholars. This paper aims to study the suitability of replacing cement by volcanics in producing autoclaved aerated concrete (AAC) and find out the influencing rule of water cement ratio , aluminum powder content, cement content and the fineness of volcanic powder. Scanning electron microscopy (SEM) investigations of the microstructure and hydration products in the autoclaved aerated concrete (AAC) provide new insights. Keywords-autoclaved aerated concrete; volcanic powder; dry density; water absorption rate; compressive Strength

Study on the influence law of various factors on volcanic autoclaved aerated concrete