Experimental study on pore structure characteristics and thermal conductivity of fibers reinforced foamed concrete.

Compared with the FC without fibers, the proportion of the small pores with diameters below 400 μm increased significantly as the fiber mass fraction increased, and the proportion of large pores with diameters above 400 μm showed a decreasing trend, indicating that the appropriate fiber mass fraction effectively alleviated the phenomenon of water secretion and segregation and improved the compactness of the hardened FC.

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