Parametric Assessment of Stress Development and Cracking in Internally Cured Restrained Mortars Experiencing Autogenous Deformations and Thermal Loading

Table 1

Summary of the sensitivity analysis of the dual ring test to variations in material properties and testing conditions (NA stands for not applicable).

Simulation ID	Variable	Change in elastic mod.	Change in concrete COTE	Change in invar COTE	Change in rate of cooling	Change in stress relax.	Change in autog. shrink.	Change in heat capacity	Change in failure stress	Change in age of cracking	Change in rate of stress Dev.	Change in temp. drop
Base Case	—	0%	0%	0%	0%	0%	No Shr.	0%	0.0%	0.0%	0.0%	0.0%
𝐸 − 12	Elastic modulus (Section 4.1)	−60%	0%	0%	0%	0%	No Shr.	0%	−13.3%	13.6%	−54.7%	72.7%
𝐸 − 18		−40%	0%	0%	0%	0%	No Shr.	0%	−6.7%	6.8%	−32.0%	36.4%
𝐸 − 24		−20%	0%	0%	0%	0%	No Shr.	0%	−2.9%	1.7%	−15.0%	9.1%
𝐸 − 37		20%	0%	0%	0%	0%	No Shr.	0%	0.4%	−1.7%	13.3%	−9.1%
𝐸 − 43		40%	0%	0%	0%	0%	No Shr.	0%	0.8%	−3.4%	25.4%	−18.2%
𝐸 − 49		60%	0%	0%	0%	0%	No Shr.	0%	0.8%	−5.1%	36.1%	−27.3%
COTE − 2	COTE of concrete (Section 4.2)	0%	−86%	0%	0%	0%	No Shr.	0%	NA	NA	−92.7%	NA
COTE − 4		0%	−71%	0%	0%	0%	No Shr.	0%	−9.7%	55.9%	−70.8%	300.0%
COTE − 6		0%	−57%	0%	0%	0%	No Shr.	0%	−6.1%	27.1%	−60.4%	145.5%
COTE − 10		0%	−29%	0%	0%	0%	No Shr.	0%	−2.4%	8.5%	−31.5%	45.5%
COTE − 18		0%	29%	0%	0%	0%	No Shr.	0%	−0.4%	−3.4%	31.9%	−18.2%
COTE − 24		0%	71%	0%	0%	0%	No Shr.	0%	0.3%	−6.8%	84.9%	−36.4%
COTErest − 0	COTE of Invar (Section 4.2)	0%	0%	−100%	0%	0%	No Shr.	0%	0.2%	0.0%	10.6%	0.0%
COTErest − 7		0%	0%	438%	0%	0%	No Shr.	0%	−3.7%	13.6%	−45.8%	72.7%
COTErest − 12		0%	0%	823%	0%	0%	No Shr.	0%	−10.5%	81.4%	−81.0%	436.4%
COTErest − 18		0%	0%	1285%	0%	0%	No Shr.	0%	NA	NA	−103.2%	NA
𝑄 − 0.5	Rate of cooling (Section 4.3)	0%	0%	0%	−80%	0%	No Shr.	0%	−5.9%	64.4%	−72.3%	345.5%
𝑄 − 1		0%	0%	0%	−60%	0%	No Shr.	0%	−3.8%	23.7%	−57.2%	127.3%
𝑄 − 2		0%	0%	0%	−20%	0%	No Shr.	0%	−1.2%	5.1%	−20.0%	27.3%
𝑄 − 3		0%	0%	0%	20%	0%	No Shr.	0%	0.1%	−1.7%	20.2%	−9.1%
𝑄 − 4		0%	0%	0%	60%	0%	No Shr.	0%	0.4%	−5.1%	65.3%	−27.3%
𝑄 − 5		0%	0%	0%	100%	0%	No Shr.	0%	−0.3%	−6.8%	106.6%	−36.4%
𝑄 − 6		0%	0%	0%	220%	0%	No Shr.	0%	−1.4%	−11.9%	225.2%	−63.6%
𝑄 − 7		0%	0%	0%	300%	0%	No Shr.	0%	−0.8%	−13.6%	307.8%	−72.7%
𝑅 − 5	Stress relaxation (Section 4.4)	0%	0%	0%	0%	−5%	No Shr.	0%	−0.9%	1.7%	−5.2%	9.1%
𝑅 − 13		0%	0%	0%	0%	−13%	No Shr.	0%	−1.6%	3.4%	−10.8%	18.2%
𝑅 − 22		0%	0%	0%	0%	−22%	No Shr.	0%	−2.5%	5.1%	−16.5%	27.3%
𝑅 − 32		0%	0%	0%	0%	−32%	No Shr.	0%	−4.6%	8.5%	−22.2%	45.5%
𝑅 − 42		0%	0%	0%	0%	−42%	No Shr.	0%	−7.0%	16.9%	−28.6%	90.9%
𝑆 + 102	Autogenous shrinkage (Section 4.5)	0%	0%	0%	0%	0%	−140%	0%	−1.5%	3.4%	5.2%	18.2%
𝑆 + 51		0%	0%	0%	0%	0%	−120%	0%	−0.4%	1.7%	5.3%	9.1%
𝑆 − 102		0%	0%	0%	0%	0%	−60%	0%	−0.6%	−5.1%	4.9%	−27.3%
𝑆 − 153		0%	0%	0%	0%	0%	−40%	0%	−0.5%	−6.8%	5.6%	−36.4%
𝑆 − 204		0%	0%	0%	0%	0%	−20%	0%	−1.3%	−8.5%	5.3%	−45.5%
Plain − 48		0%	0%	0%	0%	0%	0%	0%	−1.5%	−11.9%	1.5%	−63.6%
𝑆 − 306		0%	0%	0%	0%	0%	20%	0%	−0.9%	−13.6%	−7.3%	−72.7%
𝑆 − 357		0%	0%	0%	0%	0%	40%	0%	−20.3%	−35.6%	NA	NA
𝑆 − 408		0%	0%	0%	0%	0%	60%	0%	−39.9%	−64.4%	NA	NA
𝐶 − 1260	Heat capacity (Section 4.6)	0%	0%	0%	0%	0%	No Shr.	−20%	0.0%	0.0%	0.4%	0.0%
𝐶 − 1680		0%	0%	0%	0%	0%	No Shr.	−10%	0.0%	0.0%	0.3%	0.0%
𝐶 − 2520		0%	0%	0%	0%	0%	No Shr.	10%	0.0%	0.0%	−0.2%	0.0%
𝐶 − 2940		0%	0%	0%	0%	0%	No Shr.	20%	0.0%	0.0%	−0.4%	0.0%