The National Bureau of Standards–National Institutes of Standards and Technology has had an illustrious history of research on the most widely-used, man-made materials of construction, cement and concrete—materials which are often taken for granted, because of their commodity nature and generally successful use in the structures that comprise about 80 % of the Nation’s fixed wealth. The level o...

In the present investigation 8 soil samples were studied, with additions of 5 and 7% addition sugar Cane Bagasse Ash (SCBA), Portland Cement (PC) combinations these in different proportions. The characterization classification study was carried out, determining Natural Humidity, Granulometric Curve, Consistency Limits, according to Unified Soil Classification System (USCS) AASHTO compaction. re...

To comply with recent international trends and initiatives, and in order to help achieve sustainable development, Korea has established a greenhouse gas (GHG) emission reduction target of 37% (851 million tons) of the business as usual (BAU) rate by 2030. Regarding environmentally-oriented standards such as the IGCC (International Green Construction Code), there are also rising demands for the ...

Grinding aids are commonly used in cement manufacture to reduce electrostatic forces between powder particles and agglomeration. Alkanolamines known also influence the hydration of aluminate phases cement. This study assessed effect TEA, TIPA DEIPA addition on LC3 systems. It was observed that these molecules have an enhancing reaction LC3. They promote ferrite C3A, lead higher amounts hemicarb...