Mechanical Performance and Durability Evaluation of Sandstone Concrete

Table 4

Water-saturated compressive strength of original rock (sandstone).

Number	Specimen size (mm)			Area (mm^2)	Failure load (kN)	Ultimate strength (MPa)	Average value (MPa)
	Length	Width	Height
1	52.69	52.1	51.8	2744	240.2	87.5	66.1
2	49.9	50.5	19.2	2520	200.8	79.7
3	49.7	49.9	50.1	2480	140.6	56.7
4	50.5	50.1	49.9	2530	182.3	72.0
5	50.1	52.1	50.5	2609	131.5	50.4
6	49.1	50.2	50.1	2465	123.7	50.2