+1 vote
in Irrigation Engineering by (75.2k points)
What is the maximum expansion or contraction allowed for the joint filler material with an initial gap of about 30 mm?

(a) 10 mm

(b) 5 mm

(c) 20 mm

(d) 30 mm

I got this question by my school principal while I was bunking the class.

This key question is from Joints Provision and Water Bars in RCC Ducts of Aqueducts in division Cross Drainage Work of Irrigation Engineering

1 Answer

0 votes
by (106k points)
Right answer is (a) 10 mm

Best explanation: Joint fillers are normally compressible sheets or strip materials that are used as spacers and they are fixed to the face of first placed concrete. The maximum permissible expansion or contraction is of the order of 10 mm.

Related questions

We welcome you to Carrieradda QnA with open heart. Our small community of enthusiastic learners are very helpful and supportive. Here on this platform you can ask questions and receive answers from other members of the community. We also monitor posted questions and answers periodically to maintain the quality and integrity of the platform. Hope you will join our beautiful community
...