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NOTE 1: The requirements for testing and inspection are given in 2.8 Reference Standards: Group 7.

NOTE 2: The classification of any other surface treatment should be based on test specimens representative of the surfaces used in the structure using the procedure set out in 2.8 Reference Standards: Group 7.

NOTE 3: The definitions of the class of friction surface are given in 2.8 Reference Standards: Group 7.

NOTE 4: With painted surface treatments account should made for any loss of pre-load which occur over time.

3.9.2 Combined tension and shear

(1) If a slip-resistant connection is subjected to an applied tensile force, At,Ed or At,Ed,serv, in addition to the shear force, Av,Ed or Av,Ed,serv, tending to produce slip, the design slip resistance per bolt should be taken as follows:

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