Highlights•Coal gangue has been applied in building material, energy, agriculture and other
industries.•Negative environmental problems cannot be ignored in the utilization of coal …

Coal gangue (CG), which is mainly generated during coal excavation, mining, and coal
washing, is an industrial solid waste that is recognized as an environmental pollutant. The …

Resource utilization of industrial solid waste can be a preferred solution to waste
management. This study proposes a new strategy to prepare high closed porosity foamed …

This paper investigates the utilization of powder recycled from construction and industrial
waste in the construction industry. To alleviate the negative environmental impact of cement …

Concrete were prepared by replacing natural gravel (N) with spontaneous combustion
gangue (S) or rock gangue (R) at intervals of 25%. Mechanical tests were carried out and …

In this study, the calcinated coal gangue was mixed with granulated blast furnace slag
(GBFS) and slaked lime in making geopolymer based on increasing calcium content to …

A vast amount of CO 2 is released in the cement production and its application. Numerous
researches are paying close attention to replacing cement with any natural and/or recyclable …

In order to reveal the influence of coal gangue aggregate activity on the mechanical
properties of the mortar, to promote coal gangue fine aggregate in concrete mortar …

The treatment and utilization of coal gangue, one of the main solid wastes produced during
coal mining, are of great significance in environmental protection and resource …

Due to its poor mechanical properties and working performance, spontaneous combustion
gangue coarse aggregate concrete (SCGAC) is currently limited to non-load-bearing …