作者: Rahimah Embong , Nasir Shafiq , Andri Kusbiantoro , Muhd Fadhil Nuruddin
DOI: 10.1016/J.JCLEPRO.2015.09.066
关键词:
摘要: In the production of sustainable concrete, it is quite essential to develop highly reactive silica rich materials substitute cement. Sugarcane bagasse ash as one agricultural based pozzolan gained less popularity due its relatively low amorphous content after incineration process (<50% silica). Therefore, an alternative approach was studied in this research extract high proportion from sugarcane that fulfils minimum requirement pozzolanic standard. The divided into three stages, which were obtaining optimum pre-treatment variables, burning and substantiation feature. Pre-treatment done remove all impurities deleterious material ash. It involved soaking different concentrations hydrochloric acid solution for interval time dried a dedicated solar drying chamber. Bagasse treated with parameter would then undergo various temperatures durations. produced characterized by determining oxides composition, particle size analysis, mineralogical characteristics micro-structure using X-ray fluorescence, nitrogen adsorption, diffraction, field emission scanning electron microscope, respectively. considered environmentally friendly because parameters (lowest concentration drying). obtained appropriate found be amorphous, chemically stable, ultra-fine. Pozzolanic reactivity test also revealed possessed index suitable used cement replacement material. evident enhances mechanical properties mortar specimens tested.