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TableĀ 2 Post-tensioning process of steel bars.

From: Experimental Study on Waterproofing Properties of Putty-Based Composite Rubber Strip for Underground Post-Tensioned Precast Concrete Structures

Post-tensioning steps

ID of post-tensioning bar

Stress at 1st pressure gauge (MPa)

Stress at 2nd pressure gauge (MPa)

Post-tensioning tensile force (kN)

1

1,6

20.7

20.1

100

2

3,4

20.7

20.1

100

3

2,5

20.7

20.1

100

4

1,6

29

28.2

140

5

3,4

29

28.2

140

6

2,5

29

28.2

140

7

1,6

37.27

36.26

180

8

3,4

37.27

36.26

180

9

2,5

37.27

36.26

180