Table 1. Open in new tab Uniaxial... | Oxford Academic

Table 1.

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Uniaxial compressive strength results of the specimens

		Specimen size (mm)
Rock specimen number	Rock specimen	Diameter	Height	Cross sectional area/mm²	\|${\sigma }_{bc}$\| (MPa)	\|${\sigma }_{bc}$\| (MPa)
1–1	main roof	49.55	99.25	1927.33	36.5	37.5
1–2		49.62	99.39	1932.78	37.8
1–3		49.57	99.47	1928.89	39.2
2–1	immediate roof	49.67	99.78	1936.68	34.9	35.6
2–2		49.65	99.85	1935.12	36.4
2–3		49.72	99.88	1940.58	35.5
3–1	No. 2–2 coal seam	49.75	99.78	1942.92	20.8	21.4
3–2		49.79	99.77	1946.05	22.3
3–3		49.81	99.79	1947.61	21.1

		Specimen size (mm)
Rock specimen number	Rock specimen	Diameter	Height	Cross sectional area/mm²	\|${\sigma }_{bc}$\| (MPa)	\|${\sigma }_{bc}$\| (MPa)
1–1	main roof	49.55	99.25	1927.33	36.5	37.5
1–2		49.62	99.39	1932.78	37.8
1–3		49.57	99.47	1928.89	39.2
2–1	immediate roof	49.67	99.78	1936.68	34.9	35.6
2–2		49.65	99.85	1935.12	36.4
2–3		49.72	99.88	1940.58	35.5
3–1	No. 2–2 coal seam	49.75	99.78	1942.92	20.8	21.4
3–2		49.79	99.77	1946.05	22.3
3–3		49.81	99.79	1947.61	21.1

Table 1.

Open in new tab

Uniaxial compressive strength results of the specimens

		Specimen size (mm)
Rock specimen number	Rock specimen	Diameter	Height	Cross sectional area/mm²	\|${\sigma }_{bc}$\| (MPa)	\|${\sigma }_{bc}$\| (MPa)
1–1	main roof	49.55	99.25	1927.33	36.5	37.5
1–2		49.62	99.39	1932.78	37.8
1–3		49.57	99.47	1928.89	39.2
2–1	immediate roof	49.67	99.78	1936.68	34.9	35.6
2–2		49.65	99.85	1935.12	36.4
2–3		49.72	99.88	1940.58	35.5
3–1	No. 2–2 coal seam	49.75	99.78	1942.92	20.8	21.4
3–2		49.79	99.77	1946.05	22.3
3–3		49.81	99.79	1947.61	21.1

		Specimen size (mm)
Rock specimen number	Rock specimen	Diameter	Height	Cross sectional area/mm²	\|${\sigma }_{bc}$\| (MPa)	\|${\sigma }_{bc}$\| (MPa)
1–1	main roof	49.55	99.25	1927.33	36.5	37.5
1–2		49.62	99.39	1932.78	37.8
1–3		49.57	99.47	1928.89	39.2
2–1	immediate roof	49.67	99.78	1936.68	34.9	35.6
2–2		49.65	99.85	1935.12	36.4
2–3		49.72	99.88	1940.58	35.5
3–1	No. 2–2 coal seam	49.75	99.78	1942.92	20.8	21.4
3–2		49.79	99.77	1946.05	22.3
3–3		49.81	99.79	1947.61	21.1