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TableĀ 3 Experimental data of width of the joint.

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

Post-tensioning step

Width of the joints (mm)

Mean value (mm)

Joint1

Joint 2

Joint 3

Joint 4

Initial value

20.26

19.06

23.58

24.51

21.85

3

14.63

14.11

11.74

13.98

13.62

6

12.73

12.36

9.14

9.68

10.98

9

10.10

8.28

7.13

6.76

8.06