Shear Behavior of Wheat-Concrete Interface during Monotonic and Cyclic Loading

Table 2

Hysteretic area of cyclic stress-strain curve.

Cycles	Influences
	Normal stress, σ (kPa)			Preloading, σp (kPa)			(mm)			Cycles number, nc
	nc = 10; = 3 mm; σp = 0			nc = 10; = 3 mm; σp = 200 kPa			nc = 10; σp = 0; σ = 100 kPa			= 3 mm; σp = 0; σ = 100 kPa
	σ (kPa)			σ (kPa)			(mm)			nc
	50	100	150	50	100	150	2	4	6	3	5	7
2	170	256	361	139	254	339	134	416	719	264	251	262
3	171	259	368	142	259	338	132	426	725	267	255	268
4	169	262	368	145	259	336	130	420	727		252	269
5	173	264	369	145	261	332	132	421	725		251	263
6	176	263	370	142	259	330	129	419	737			263
7	174	265	368	142	256	334	130	425	734			262
8	175	264	364	142	253	335	131	421	729
9	177	267	358	141	262	336	131	422	736
10	175	265	358	142	259	338	128	422	740
Average value	173	263	365	142	258	335	131	421	730	265	252	265