نتایج جستجو برای: natural pozzolana

تعداد نتایج: 481747  

Journal: :International Research Journal of Multidisciplinary Technovation 2019

Journal: :Advances in Materials Science and Engineering 2023

Portland Pozzolana Cement (PPC) mortars are predominantly employed in plastering works to achieve better workability, superior surface finish, and higher fineness offer cohesion with fine aggregates than the ordinary cement (OPC) mortars. To high performance mortar similar concrete, addition of a superplasticizer is recommended. The present study investigates impact sulphonated naphthalene form...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان 1390

abstract the influence of cation?? and anion?? interactions on the strength and nature of n…h hydrogen bond has been investigated by quantum chemical calculations in s-triazine…3hf complex. ab initio calculations were performed at mp2/6-311++g(d,p) level of theory. the natural bond orbital (nbo) analysis and the bader’s quantum theory of atoms in molecules (aim) were also used to elucidate t...

2013
Yuvaraj Shanmuga Sundaram

This paper deals with the study of Nanotechnology experimentation in Civil Engineering which includes the development, advantages and limitations of Nano concreting technologies. For reducing carbon emission during cement manufacturing fly ash is used as a replacement in ordinary Portland cement which is termed as Portland pozzolana cement(PPC), this inclusion relatively increases the workabili...

Journal: :Science of Sintering 2023

Phyllosilicate mineral pyrophyllite is predominantly used in the ceramic industry because it exhibits high refractoriness. Due to its thermal transformation into mullite, stable at elevated temperatures, making a suitable additive for refractory non-shaped materials and various shaped products. In this study, employed as 50 % clay replacement ceramics up 30 cement mortars. Physico-mechanical pr...

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