Effects of Variable Humidity on the Creep Behavior of Concrete and the Long-Term Deflection of RC Beams

Table 6

Parameters and the predicted deflections at 331 days after loading.

Specimen	RH (%)	t0 (day)	t (day)	δi (mm)	Deflection (ACI 209R)	Deflection (experiment)
LD-A-1	60	43	331	1.62	2.27	3.19
LD-B-1	75	43	331	1.76	2.18	2.87
LD-B-2	75	43	331	1.68	2.08	2.85
LD-C-1	80	43	331	1.72	2.04	2.58
LD-C-2	80	43	331	1.65	1.96	2.41