,Distance between inscribed Xs or Os (mm),,,,,,Crack aperture (mm),,,,,
Date,M1,M2,M3,M4,M5,,M1,M2,M3,M4,M5,Notes
27-May-18,647,600,362,262,242,,350,250,93,53,40,Measured
11-Oct-18,645,590,347,255,235,,348,240,78,46,33,Calculated based on initial measurement
26-Jan-19,,630,375,272,246,,,280,106,63,44,Calculated based on initial measurement
8-May-19,670,615,371,268,242,,373,265,102,59,40,Calculated based on initial measurement
15-Aug-19,645,595,360,257,236,,348,245,91,48,34,Calculated based on initial measurement
4-Oct-19,651,596,358,255,232,,354,246,89,46,30,Calculated based on initial measurement
16-Jan-20,712,638,374,270,245,,415,288,105,61,43,Calculated based on initial measurement
9-Mar-20,701,633,375,273,245,,404,283,106,64,43,Calculated based on initial measurement
29-May-20,668,608,365,262,237,,371,258,96,53,35,Calculated based on initial measurement
21-Jun-20,657,602,362,259,237,,360,252,93,50,35,Calculated based on initial measurement
8-Oct-20,660,595,359,256,235,,363,245,90,47,33,Calculated based on initial measurement
4-Feb-21,715,638,375,272,246,,418,288,106,63,44,Calculated based on initial measurement
13-Apr-21,686,624,372,269,243,,389,274,103,60,41,Calculated based on initial measurement
11-Aug-21,655,599,360,255,234,,358,249,91,46,32,Calculated based on initial measurement
22-Jan-22,714,637,375,272,245,,417,287,106,63,43,Calculated based on initial measurement