Cyclic Behavior of Confined Cement-Stabilized Rammed Earth Walls

Table 5

Displacement ductility values of tested specimens.

Specimens	Direction	Py (kN)	Δy (mm)	Pmax (kN)	Δmax (mm)	Pu (kN)	Δu (mm)	μ
Q-1	POS	16.52	1.33	18.45	3.63	15.68	7.42	5.58
	NEG	18.45	1.35	19.04	2.42	16.18	7.46	5.53
W-1	POS	59.68	6.05	71.00	48.00	60.35	48.00	7.93
	NEG	59.35	4.85	71.46	30.82	60.74	47.28	9.75
W-2	POS	82.02	7.32	94.03	33.16	79.93	53.28	7.28
	NEG	80.43	7.38	103.03	33.62	87.58	49.19	6.67
W-3	POS	63.07	4.83	89.44	28.70	76.02	47.78	9.89
	NEG	56.51	2.45	86.24	33.83	73.30	41.83	17.07

POS: positive direction; NOG: negative direction; P_y: yield load, Δ_y: displacement corresponding to the yield load; P_max: peak load, Δ_max: displacement corresponding to the peak load; Δ_u: determined as corresponding to a 15% drop of the peak load; P_u: load corresponding to Δ_u.