The mechanical properties of HDCC are studied based on high temperature cement matrix com-posite(HDCC)and different fiber mixing factors.The results show that the compressive strength of HD-CC reached the maximum after 100℃,and the performance of PVA fiber volume mixing was 1％,com-pared with normal temperature.After 200℃ and 300℃,the bending limit load decreases with the tempera-ture of 1％steel fiber and 0.5％PVA fiber mixing group,reflecting the positive synergistic effect of con-founding fiber under high temperature.
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