Immobilization of Simulated Borate Radioactive Waste Solution in Cement-Poly(methylmethacrylate) Composite: Mechanical and Chemical Characterizations
Table 5
Compressive strength values of plain cement, cement-waste form, cement-PMMA composite, and cement-PMMA composite waste form immersed in distilled water.
(a) Solid blocks cured for one month before immersion
Immersion times, days
Compressive strength values (kg/cm2)
Plain cement
Cement waste forms*
Cement-PMMA composite
Cement-PMMA composite waste form*
3
262
177
276
248
7
268
196
305
275
30
270
201
301
250
90
274
206
314
258
365
276
190
301
266
Contains 4% by weight borate waste simulate.
(b) Solid blocks cured for 3 months before immersion