Abstract
This study prepared a sulfoaluminate cement with high electromagnetic wave transmission performance by adding air entraining agent and glass powder and revealed the related mechanism. The test results showed the air-entraining agents and glass powder cannot affect the type of hydration products of the sulfoaluminate cement. The addition of the air-entraining agents and glass powder reduced the dielectric constant of the SAC while increasing the magnetic permeability. The air-entraining agents and glass powder increased the transmittance with a maximum value of 60.2 %, illustrating the electromagnetic wave transmission performance of the sulfoaluminate cement could be improved. The electrical resistivity of the sulfoaluminate cement with the air-entraining agents and glass powder did not change significantly because the air-entraining agents increased the electrical resistivity and the effect of the glass powder was the opposite. The strengths of the sulfoaluminate cement with the air-entraining agents and glass powder decreased.
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