Fig 1.
Cumulative distribution curves of cement and lithium slag particle size.
Table 1.
Physical properties of ordinary Portland cement.
Table 2.
Chemical composition list of cement and lithium slag (wt%).
Table 3.
Physical properties of lithium slag.
Fig 2.
Flow chart of crushing of recycled fine aggregates.
Fig 3.
SEM micromorphology of fine aggregates.
(a) RS. (b) RFA.
Fig 4.
Gradation curves of different types of sand particles.
Table 4.
Physical properties of fine aggregate.
Fig 5.
Grading curve of crushed stone.
Table 5.
Physical properties of coarse aggregate.
Table 6.
Water quality analysis results of mixing water.
Table 7.
Concrete mix design (kg/m³).
Fig 6.
Typical failure diagram of a prism concrete under axial compression.
Fig 7.
Axial compressive strength of lithium slag recycled fine aggregate concrete.
(a) LS. (b) RFA.
Fig 8.
Elastic modulus value of lithium slag recycled fine aggregate concrete.
(a) LS. (b) RFA.
Fig 9.
Stress-strain curves of concrete with different LS contents.
(a) Sample with 0% LS content. (b) Sample with 10% LS content. (c) Sample with 20% LS content. (d) Sample with 40% LS content.
Fig 10.
Stress-strain curve of concrete with different replacement rates of RFA.
(a) Sample with a replacement rate of 0% for RFA. (b) Sample with a replacement rate of 10% for RFA. (c) Sample with a replacement rate of 20% for RFA. (d) Sample with a replacement rate of 30% for RFA.
Fig 11.
Peak strain value of lithium slag recycled fine aggregate concrete.
Fig 12.
Comparison of LS0 normalized stress-strain curve.
(a) RFA = 0. (b) RFA = 10. (c) RFA = 20. (d) RFA = 30.
Fig 13.
Comparison of LS10 normalized stress-strain curve.
(a) RFA = 0. (b) RFA = 10. (c) RFA = 20. (d) RFA = 30.
Fig 14.
Comparison of LS20 normalized stress-strain curve.
(a) RFA = 0. (b) RFA = 10. (c) RFA = 20. (d) RFA = 30.
Fig 15.
Comparison of LS40 normalized stress-strain curve.
(a) RFA = 0. (b) RFA = 10. (c) RFA = 20. (d) RFA = 30.
Table 8.
Stress-strain fitting results.
Fig 16.
Comparison of three stress-strain curves.