Abstract
Light transmitting cement-based material (LTCM) was prepared by polymethylmethacrylate (PMMA) fibers, Portland cement, aggregates, deforming agent and water reducers in a given proportion. The compressive and flexural strengths of LTCM prepared with different diameters and volume fractions of optical fibers were measured at the age of 28d. The compressive and flexural strengths of LTCM specimens decreased with an increasing volume fraction of fiber. Factors such as distance from the light source to specimen, diameter and volume fraction of fiber, and the variety of light sources that affect the optical power of LTCM were studied in this paper. The experimental results demonstrate that the optical power was significantly affected by the distance from light source and specimen, and the diameter and number of fibers. The matrix material, cross section of optical fiber, and the interface between fiber and matrix were analyzed by SEM.
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