The nanogranular nature of CSH

G Constantinides, FJ Ulm - Journal of the Mechanics and Physics of Solids, 2007 - Elsevier
… are not a coincidence, but a consequence of a nanogranular nature of CSH. By nanogranular
nature we mean a mechanical behavior at the nanoscale of the CSH particles that is …

The nanogranular behavior of CSH at elevated temperatures (up to 700 C)

MJ DeJong, FJ Ulm - Cement and Concrete Research, 2007 - Elsevier
… temperature for 24 h, and then cooled at a rate of 1 K/min. The temperatures included in
this investigation were 25 C, 105 C, 200 C, 300 C, 400 C, 550 C, and 700 C. After heating, …

Nanogranular packing of CSH at substochiometric conditions

M Vandamme, FJ Ulm, P Fonollosa - Cement and Concrete Research, 2010 - Elsevier
… to the nanogranular morphology of CSH, LD CSH dominates cement-based materials
prepared at high w/c mass ratios; HD CSH and UHD control the microstructure of low w/c

Nanogranular Nature of CSH: Experimental Confirmation by Nanoindentation

EN Polonina, SN Leonovich, SA Zhdanok - Journal of Engineering Physics …, 2024 - Springer
… is formed in the middle period, while the formation of HD CSH predominates in the later …
the nanogranular nature of the CSH gel, which is characterized by the contact forces of the CSH

The nanogranular nature of shale

FJ Ulm, Y Abousleiman - Acta Geotechnica, 2006 - Springer
… From those observations, we conclude that shales are nanogranular composite materials,
whose mechanical properties are governed by particle-to-particle contact and by characteristic …

Nano-scale mechanics of coarse-grained CSH with molecular dynamics

Q Liu, W Lu, J Zhu, Q Qi, G Li, D Li - Construction and Building Materials, 2023 - Elsevier
… In order to simulate the formation process of CSH configuration in the natural state, we used
… method (GCMC) to randomly generate polydisperse CSH colloidal structures in a fixed box. …

Nanogranular origin of concrete creep

M Vandamme, FJ Ulm - Proceedings of the National …, 2009 - National Acad Sciences
… of calcium–silicate–hydrates (CSH), the nano-meter … CSH exhibits a logarithmic
creep that depends only on the packing of 3 structurally distinct but compositionally similar CSH

[图书][B] The nanogranular origin of concrete creep: a nanoindentation investigation of microstructure and fundamental properties of calcium-silicate-hydrates

M Vandamme, FJ Ulm - 2008 - navier-lab.fr
… Logarithmic creep is an intrinsic creep property of CSH. We suggest that the CSH creep rate
(~1/t) is due to rearrangement of CSH particles similar to the compaction of vibrated particles…

Nano-scale mechanical properties investigation of CSH from hydrated tri-calcium silicate by nano-indentation and molecular dynamics simulation

D Hou, H Li, L Zhang, J Zhang - Construction and Building Materials, 2018 - Elsevier
C 3 S was utilized to produce relatively pure CSH gels with two different water/solid ratios.
Then mechanical properties of the CSH … Two types of CSH with Ca/Si ratio around 1.8 were …

The colloid/nanogranular nature of cement paste and properties

H Jennings - Nanotechnology in Construction 3: Proceedings of the …, 2009 - Springer
… The major point here is that exploring the nanogranular nature of the gel leads to specific …
and properties of cement paste from the nanogranular or colloid perspective, referred to here …