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- Mixing for 2 minutes - Adding steel fibres
- Mixing for 4 minutes
Remark:
• The working period of this specific mixture was determined at approx. 30 minutes. Figure 10.4 show the steps in mixing and preparing samples.
Figure 10.4: Mixing and preparing samples Mix C150
Samples were tested for flexural- and compressive strength according to EN 196-1 and are exposed in Table 10.2 Unfortunately the available flexural strength testing equipment reached its limits on measurement after 3 days. Our own laboratory has no possibility to monitor the flexural strength up to 28 days. Consequently these tests will now be performed in a different laboratory. The conclusions and findings will be added to this document.
Figure 10.5 shows the sample after flexural strength testing. The micro steel fibres, which keep the two parts of the sample together, are clearly visible.
Figure 10.5:sample after testing flexural strength
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