The Effect of Additive ZRJ-S1 on Mechanical Properties of Portland Cement

Table 5

Mechanical parameters of cycle peak (control sample).

Cycle sample	Cycle no.	Loading		Unloading
		Poisson ratio	Elastic modulus (MPa)	Poisson ratio	Elastic modulus (MPa)
Control sample	1	0.34	5601.6	0.484	2230
	2	0.546	2283.3	0.493	1733
	3	0.547	1783.2	0.547	1487
	4	0.58	1512.4	0.571	1298
	5	0.612	1333.7	0.609	1177.4
	6	0.646	1197.2	0.612	1081.7
	7	0.655	1098.1	0.6414	959

Note. Loading rate at 1.6 kN/min and unloading speed rate at 3.2 kN/min, test pressure of 20.7 MPa and test temperature of 119°C.