Fatigue Characteristics of Limestone under Triaxial Compression with Cyclic Loading

Table 2

Test conditions and results for the cyclic loading tests.

Sample number	Cyclic loading level	Valley stress level (%)	Peak stress level (%)	Amplitude level (%)	Cyclic number	Failure state
SA. 6	1	30	85	55	3000	Not failed
	2	30	87.5	57.5	397	Failed
SA. 7	1	30	85	55	3000	Not failed
	2	30	87.5	57.5	3000	Not failed
	3	30	90	60	3000	Not failed
	4	30	92.5	62.5	3000	Not failed
	5	30	95	65	3000	Not failed
	6	30	97.5	67.5	247	Failed
SA. 8	1	30	80	50	3000	Not failed
	2	30	85	55	3000	Not failed
	3	30	90	60	3000	Not failed
	4	30	92.5	62.5	2075	Failed
SA. 9	1	30	80	50	3000	Not failed
	2	30	85	55	3000	Not failed
	3	30	90	60	3000	Not failed
	4	30	92.5	62.5	3000	Not failed
	5	30	95	65	85	Failed