HYDRATION OF CEMENTITIOUS MATERIALS
Lecturer: prof. Karen Scrivener
Date: September 14, 2019
Time: 9:00 – 15:30
Price: EUR 40/ per person incl. VAT
Date: September 14, 2019
Time: 9:00 – 15:30
Price: EUR 40/ per person incl. VAT
Programme:
Lecturers:
Prof. Dr. Karen Scrivener, EPFL, Switzerland
Dr Barbara Lothenbach, EMPA, Switzerland
Dr Ruben Snellings, VITO Belgium
Prof. Dr. Karen Scrivener, EPFL, Switzerland
Dr Barbara Lothenbach, EMPA, Switzerland
Dr Ruben Snellings, VITO Belgium
09:00-09:30 Context and overview of hydration:
Why Portland Cement will continue to be dominant
How hydration works and overview of reactions
K. Scrivener (EPFL, Switzerland)
How hydration works and overview of reactions
K. Scrivener (EPFL, Switzerland)
09:35-10:05 Hydrate phases: Part 1 Basics and C-S-H:
Importance of C-S-H
Our current state of knowledge on atomistic structure
Mesoscopic structure, granular or nanocrystalline
Microstructures
K. Scrivener (EPFL, Switzerland)
Importance of C-S-H
Our current state of knowledge on atomistic structure
Mesoscopic structure, granular or nanocrystalline
Microstructures
K. Scrivener (EPFL, Switzerland)
10:10-10:20 aluminium in C-S-H:
B. Lothenbach (EMPA, Switzerland)
B. Lothenbach (EMPA, Switzerland)
10:20-10:40 Break
10:40-11:20 Hydrate phases: Part 2 Other hydrates:
Hydrates from aluminate and ferrite phases
R. Snellings (VITO Belgium)
Hydrates from aluminate and ferrite phases
R. Snellings (VITO Belgium)
11:25-12:10 Thermodynamic modelling:
Prediction of phase assemblages.
Simplified phase diagram
Thermodynamic modelling, principles and examples
B. Lothenbach (EMPA, Switzerland)
Prediction of phase assemblages.
Simplified phase diagram
Thermodynamic modelling, principles and examples
B. Lothenbach (EMPA, Switzerland)
12:10-13:00 LUNCH
13:00-13:40 Mechanisms: Induction period and Main peak:
State of the art: theories of mechanisms controlling hydration,
Geochemical perspectives
New findings on early hydration
Mechanisms controlling acceleration and deceleration
K. Scrivener (EPFL, Switzerland)
State of the art: theories of mechanisms controlling hydration,
Geochemical perspectives
New findings on early hydration
Mechanisms controlling acceleration and deceleration
K. Scrivener (EPFL, Switzerland)
13:45-14:25 Mechanisms: Later ages and Microstructure:
Mechanisms governing hydration after first day
Reaction of aluminate phases / optimum sulfate
Microstructure, relation to property development
K. Scrivener (EPFL, Switzerland)
Mechanisms governing hydration after first day
Reaction of aluminate phases / optimum sulfate
Microstructure, relation to property development
K. Scrivener (EPFL, Switzerland)
14:30-15:00 Impact temperature and relative humidity
B. Lothenbach (EMPA, Switzerland)
B. Lothenbach (EMPA, Switzerland)
15:00-15:30 Further questions / Open discussion