An Innovative Method for Conventional Triaxial Tests of Concrete: Applications of PVC Pipes as a Mould and Sealing Membrane

Table 4

Residual strengths of mortar specimens (MPa).

p (MPa)	T-UM		P-UM		Residual strength difference	T-HM		P-HM		Residual strength difference
	Residual strength	Failure mode	Residual strength	Failure mode		Residual strength	Failure mode	Residual strength	Failure mode
0	0	SPF	48	SPF	48	0	SPF	35	SPF	35
5	55	SHF	83	SHF	28	44	SHF	68	SHF	24
10	82	SHF	103	SHF	21	73	SHF	95	SQF	22
20	120	SHF	142	SHF	22	98	SHF	123	SQF	25
40	211	SHF	235	SHF	24	165	SQF	170	SQF	5
70	305	SQF	310	SQF	5	240	SQF	238	SQF	−2

Notes. Splitting failure, shear failure, and squeeze flow are, respectively, expressed as SPF, SHF, and SQF.