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Abhishek Kumar

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Related publications (5)

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Synthetic Calcium Silicate Hydrates

Abhishek Kumar

Since the introduction of cementitious materials over 200 years ago, its use has multiplied many fold to be currently at 3 billion tonnes per year, accounting for about 8% of worldwide carbon emission which is forecast to double within the next 30 years. U ...

EPFL2017

The Atomic-Level Structure of Cementitious Calcium Silicate Hydrate

Karen Scrivener, David Lyndon Emsley, Paul Bowen, Aaron James Rossini, Albert Hofstetter, Brennan James Walder, Aslam Kunhi Mohamed, Abhishek Kumar

Efforts to tune the bulk physical properties of concrete are hindered by a lack of knowledge related to the atomic-level structure and growth of calcium silicate hydrate phases, which form about 50-60% by volume of cement paste. Here we describe the first ...

2017

Hardening acceleration/hardening retardation composition for building materials

Paul Bowen, Abhishek Kumar

Provided herein is a composition for use as a hardening regulator, e.g. hardening accelerator or hardening retarder, for building materials, as well as methods for producing thereof. The composition is characterized by a biphasic nature in which solid calc ...

2018

Nanoparticles and method for producing uniform silicate-based nanoparticles

Paul Bowen, Abhishek Kumar

Nanoparticles and method for producing uniform silicate-based nanoparticles are disclosed. The method comprises a step of injecting into tubular branched elements comprising static mixers a first aqueous solution comprising a water-soluble silicate compoun ...

2018

On the mesoscale mechanism of synthetic calcium–silicate–hydrate precipitation: a population balance modeling approach

Karen Scrivener, Christian Ludwig, Paul Bowen, Andrea Testino, Mohammad Reza Andalibi, Abhishek Kumar

Royal Society of Chemistry2018