BS EN 12390-3:2019 – TC:2020 Edition
$186.33
Tracked Changes. Testing hardened concrete – Compressive strength of test specimens
| Published By | Publication Date | Number of Pages |
| BSI | 2020 | 47 |
This document specifies a method for the determination of the compressive strength of test specimens of hardened concrete.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 25 | undefined |
| 30 | 1 Scope 2 Normative references 3 Terms and definitions 4 Principle 5 Apparatus 6 Test specimens |
| 31 | 7 Procedure 7.1 Specimen preparation and positioning 7.2 Loading |
| 32 | 7.3 Assessment of type of failure 8 Expression of results 9 Test report |
| 36 | 10 Precision |
| 37 | Annex A (normative)Adjustment of test specimens A.1 General A.2 Grinding A.3 Capping (using calcium aluminate cement) |
| 38 | A.4 Capping: Sulfur mixture method |
| 39 | A.5 Capping: Sandbox method: Use of sand boxes for capping cylindrical specimens A.5.1 Preparation A.5.2 Apparatus A.5.2.1 Steel boxes, conforming to the shape and dimensions set out in Figure A.2. A.5.2.2 Positioning frame, (Figure A.3) consisting of: |
| 40 | A.5.2.3 Compressed air-blower, for releasing the boxes. A.5.2.4 Flask, for containing the paraffin wax. A.5.2.5 Hotplate, thermostatically controlled to melt the paraffin wax at a temperature of (110 ± 10) °C. A.5.2.6 Calibrating container, to calibrate a volume of sand corresponding to a height of (10 ± 2) mm in the sand box. A.5.2.7 Paraffin wax, with a setting point of (60 ± 10) °C. A.5.3 Procedure |
| 43 | Annex B (normative)Procedure for testing specimens with dimensions which are outside the tolerances of the designated sizes of EN 12390-1 B.1 Principle B.2 Apparatus B.3 Procedure B.3.1 Cubes B.3.2 Cylinders or cores |
| 44 | B.3.3 Testing for compressive strength |
