Figure 16: Creep compliance vs. maximum load (5000 μN/s loading rate, 70 sec. hold time) for (a) PG 70-22 and (c) PG 70-28 SBS; (b) Creep compliance function vs. time for (a) to 100 sec. using fitted GPL parameters; (d) Creep compliance function vs. time for (c) to 100 sec. using fitted GPL parameters