Health Monitoring of Nuclear Structure Containment Using Strain Gauges to Assess the Integrity

Table 1

Chronological events of proof test and ILRT.

Sl. no.	Activity
1	Zero run-up test started after RB box up for PC ILRT
2	Pressurization started
3	Pressure reached at 0.35 kg/cm^2 (g)
4	Pressurization started after temp stabilisation and rundown at 0.35 kg/cm^2 (g)
5	Pressure reached at 0.7 kg/cm^2(g)
6	Pressurization started after temp stabilisation and rundown at 0.7 kg/cm^2(g)
7	Pressure reached at 1.06 kg/cm^2 (g)
8	Pressurization started after temp stabilisation and rundown at 1.06 kg/cm^2 (g)
9	Pressure reached at 1.4 kg/cm^2 (g)
10	Pressurization started after pressure stabilisation and strain/deflection data collection
11	Pressure reached—1.73 kg/cm^2 (g)
12	Depressurization started after pressure stabilisation and strain/deflection data collection
13	Pressure reached—1.4 kg/cm^2 (g)
14	Depressurization started after pressure stabilisation and strain/deflection data collection
15	Pressure reached—1.06 kg/cm^2 (g)
16	Depressurization started after temp stabilisation, rundown and superimposition test at 1.06 kg/cm^2 (g)
17	Pressure reached—0.7 kg/cm^2 (g)
18	Depressurization started after temp stabilisation and rundown at 0.7 kg/cm^2 (g)
19	Pressure reached—0.35 kg/cm^2 (g)