Research Article

Utilization of Fly Ash to Enhance Ground Waste Concrete-Based Geopolymer

Table 2

Variables and conducted tests on WC/FA specimens.

SpecimensFA (%)NaOH conc. (M)SS/NL/SSi/AlbCa/SibNa/AlbNa/SiCuring time/daysUCS testXRDSEM/EDSFTIRMAS-NMR

WC03.300.60
FA1001.900.12
0_10_7a0101.50.403.860.520.960.257
25_10_725101.50.403.080.390.700.237
50_10_750101.50.402.630.280.560.217
75_10_775101.50.402.340.190.460.207
100_10_7100101.50.402.130.110.390.187
0_14_70141.50.403.860.521.130.297
25_14_325141.50.403.080.390.830.273
25_14_725141.50.403.080.390.830.277
25_14_1425141.50.403.080.390.830.2714
25_14_2825141.50.403.080.390.830.2728
50_14_350141.50.402.630.280.660.253
50_14_750141.50.402.630.280.660.257
50_14_1450141.50.402.630.280.660.2514
50_14_2850141.50.402.630.280.660.2528
75_14_375141.50.402.340.190.540.233
75_14_775141.50.402.340.190.540.237
75_14_1475141.50.402.340.190.540.2314
75_14_2875141.50.402.340.190.540.2328
100_14_7100141.50.402.130.110.460.227
0_18_70181.50.403.860.521.310.347
25_18_725181.50.403.080.390.960.317
50_18_750181.50.402.630.280.760.297
75_18_775181.50.402.340.190.630.277
100_18_7100181.50.402.130.110.540.257

a0_10_7 means specimen at 0% FA, 10 M NaOH concentration, and 7 days of curing. bSi/Al, Ca/Si, and Na/Al are atom ratios.