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When the maximum distance between centres of two adjacent rivets connecting the members subjected to either compression or tension exceed the maximum pitch, then the additional rivets which are not subjected to the calculated stress are used, and are known as 

When the maximum distance between centres of two adjacent rivets connecting the members subjected to either compression or tension exceed the maximum pitch, then the additional rivets which are not subjected to the calculated stress are used, and are known as  Correct Answer Tacking rivets 

Concept: -

Tacking Rivets: -

When the maximum distance between centres of two adjacent rivets connecting the members subjected to either compression or tension exceed the maximum pitch, then the additional rivets which are not subjected to the calculated stress are called Tacking rivets.

As per IS800:2007, cl. 10.2.5

1. Maximum spacing ≯ {32t or 300mm), for compression members

≯ {16t or 300mm), for compression members (when plates are exposed to weather)

2. Maximum spacing ≯ 1000mm, for tension members

 

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