Скачать или смотреть L-Box Test for Self-Compacting Concrete (SCC)

The L-Box Test is a quality assessment method used to evaluate the flowability and passing ability of self-compacting concrete (SCC). It involves filling the vertical section of an L-shaped box with fresh SCC, which then flows through reinforcing bars into the horizontal section. The height of the concrete at the end of the horizontal section (H2) is compared to the height at the vertical section (H1). The ratio (H2/H1) is called the blocking ratio, which indicates the concrete’s ability to pass through obstacles. A ratio of 0.8 or higher signifies good flowability. This test is essential for ensuring the SCC can flow smoothly around reinforcements without segregation, making it suitable for complex structural applications.

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