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- W3123660979 abstract "In this study, an ultra-light ordinary Portland cement-based thermal insulation material (ULCFTIM) with an apparent density of less than 300 kg/m3 was developed using physical foaming technology. The problem of ULCFTIM collapse during the preparation process was solved by adding sulphoaluminate cement (SAC). The influence of SAC mass fraction and water-cement ratio on the thermal conductivity and compressive strength of ULCFTIM was researched. The experimental results show that increasing the SAC is beneficial to the compressive strength of ULCFTIM at 3 days, but decrease the compressive strength of ULCFTIM at 28 days. The optimal mass fraction for SAC in a cementitious material is 10%. With the water-cement ratio increases, the compressive strength first increases and then decreases, and the thermal conductivity decreases first and then stabilizes. When w/c values ranging from 0.26-0.30, ULCFTIM has a good performance with compressive strength between 0.185 MPa and 0.201 MPa and thermal conductivity between 0.701W ⋅m-1⋅K-1 and 0.714 W ⋅m-1⋅K-1." @default.
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- W3123660979 date "2021-01-14" @default.
- W3123660979 modified "2023-09-24" @default.
- W3123660979 title "Development and performance characterization of ultra-light foam thermal insulation material based on ordinary Portland cement modified by sulphoaluminate cement" @default.
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- W3123660979 doi "https://doi.org/10.1088/1755-1315/632/5/052008" @default.
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