Presented in IASE's 11th Structural Engineering Convention(SEC-18)-2018 organised by Department of Civil Engineering,Jadavpur University,Kolkata held from 19-21 December,2018
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Influence of nano silica on the mechanical behavior and microstructure of cement composites for both short & long terms
1. INFLUENCE OF NANO SILICA ON THE
MECHANICAL BEHAVIOR AND
MICROSTRUCTURE OF CEMENT COMPOSITES
FOR BOTH SHORT & LONG TERMS
Mainak Ghosal1, Arun Kr Chakraborty2
1 Ph D. Research Scholar,2Associate Professor, Dep’t of Civil
Engineering, Indian Institute of Engineering Science and Technology,
Shibpur
XI SEC ,19th-21st December,2018
7. The most significant TREND of
development
OPC
Blended
(PPC/PSC/PLC)
Composite
Cements
NANO
CEMENTS
Cément Production Technology:Principles & Practice-Dr.Anjan Kumar Chatterjee
8. Scopus Publications which include the terms
cement and nanotechnology or
nanomaterials
Guillermo Bastos,Faustino Patiño-Barbeito,Faustino Patiño-Cambeiro,and Julia Armesto(2016), ‘Nano-Inclusions Applied in Cement-Matrix
Composites: A Review’, Materials (Basel). 2016 Dec; 9(12): 1015, DOI: 10.3390/ma9121015
9. Nano Silica from Rice
Preparation of Nanosilica Powder from Rice Husk, Chiang Mai J. Sci. 2008; 35(1) : 206-211
10. Nano Silica in
Nucleation effects
Achutha Prabhu et al.Effect of Nano Seeds in C-S-H Gel Formation: Simulation Study from the Colloidal Point of View,Concreep
10,ASCE
11. Nano Silica in PORE-
FILLING effects
Source:https://advanceseng.com/surface-treatment-cementitious-materials-nanosio2pce-core-shell-nanoparticles/
21. 0
10
20
30
40
50
60
7 days 28 days 90 days 180 days 365 days
CcompressiveStrength,MPa
Age
Nano-Silica Addition in OPC Mortar
Ctrl Samp.
Ns=0.5%
nS=0.75%
nS=1.0%
nS=1.25%
nS=1.5%
22. OPTIMIZATION OF NANO-MATERIALS in
OPC
21.08
31.89
30.01
27.73
42.27
31.5
0
5
10
15
20
25
30
35
40
45
7 day Strength 28 day Strength 365 day Strength
Ordinary
Cement
Mortar
nS(opt.)