Question

Construction joints are provided for –

• A. Where BM and SF are small.
• B. Where the member is supported by other member.
• C. At 18m apart in large structure.
• D. Construction joints in columns are provided a few cm below the junction of beam. (e) Construction joints in beams and slabs the joints are usually located or provided at midspan on in the middle third of the span.

Answer 1

Answer: (D)

Contraction joints are necessarily planned for their locations and expansion joints are provided to accommodate thermal expansion and contraction joints are also provided to control the shrinkage cracks.