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Is waterstop necessary in construction joints of water retaining structures?

Construction joints are introduced during construction and they are not intended for movement to take place. If the concrete panel on each side of the construction joint has been designed to have maximum crack width of 0.2mm, theoretically this joint would also behave in the same way as its adjoining material.

Hence, the design of this part of water-retaining structure such as concrete and steel are identical on both sides of panel. As such, BS8007 makes provision that it is not necessary to incorporate waterstops in properly constructed construction joints based on the above reasoning.


This question is taken from book named – A Self Learning Manual – Mastering Different Fields of Civil Engineering Works (VC-Q-A-Method) by Vincent T. H. CHU.

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Kanwarjot Singh

Kanwarjot Singh is the founder of Civil Engineering Portal, a leading civil engineering website which has been awarded as the best online publication by CIDC. He did his BE civil from Thapar University, Patiala and has been working on this website with his team of Civil Engineers.

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One comment on "Is waterstop necessary in construction joints of water retaining structures?"

mumbere peter says:

engineering creates solutions of day today problems

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