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Whats the ideal length for providing expansion joints in RCC buildings, Pre-stressed structures and steel structures?

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Question added by Irfan Ahmad , Bridge Structural Engineer , ITAL CONSULT
Date Posted: 2015/10/22
dennis shi
by dennis shi , Lead field structural engineer , Bechtel

It is depending on weather, the type of joint ( expansion joint, or shrink joint or uneven settlement joint etc), and construction technology. it is several hundred meter without a single joint in Beijing airport concrete slab construction.

normal practice is aboutm  

 

PT structure may allow for more length for a separation joint or shrink joint

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