NEN EN 196-9 : 2010
Current
The latest, up-to-date edition.
METHODS OF TESTING CEMENT - PART 9: HEAT OF HYDRATION - SEMI-ADIABATIC METHOD
12-01-2013
Foreword
1 Scope
2 Normative references
3 Principle
4 Apparatus
5 Determination of the heat of hydration
5.1 Laboratory
5.2 Procedure
5.2.1 Mortar composition
5.2.2 Mixing
5.2.3 Positioning of the test sample
5.3 Measurement of heating
6 Calculation of the heat of hydration
6.1 Principles of calculations
6.2 Calculation of the heat accumulated in the calorimeter
6.3 Calculation of heat lost into ambient atmosphere
6.4 Calculation of heat of hydration
7 Expression of results
7.1 Reporting of results
7.2 Precision
7.2.1 Repeatability
7.2.2 Reproducibility
Annex A (normative) Calibration of the calorimeter
A.1 Principle
A.2 Apparatus and power supply
A.3 Calibration procedure
A.3.1 Determination of the coefficient of total heat
loss, alpha
A.3.2 Determination of the thermal capacity
Annex B (informative) Worked example of determination of heat
of hydration
B.1 General test conditions
B.2 Basic calculations
B.3 Determination of test results
Bibliography
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.