Mechanical rebar connections, also known as mechanical splices or mechanical coupler, are used to join lengths of rebar together to transfer forces from one steel rebar to another.[1][2]

Rebar coupler

Mechanical couplers can be advantageous in comparison with conventional methods of lap splicing because of the requirement for less steel for overlapping. It is more effective in the seismic detailing to avoid reinforcement congestion problems.[3]

The couplers are also used in pre-cast construction.[4]

Use

Any two bars of same or different diameters are joined using the couplers by rotating like nut and bolt.[5]

Notes

  • Orsman, Richard (2011). Mechanical Splicing , 08 (Devoran Metals).

References

  1. ↑ Bompa, D. V.; Elghazouli, A. Y. (2017-11-01). "Ductility considerations for mechanical reinforcement couplers". Structures. 12: 115–119. doi:10.1016/j.istruc.2017.08.007. hdl:10044/1/67670. ISSN 2352-0124. Retrieved 2021-06-01.
  2. ↑ "Experimental Study of Offset Mechanical Lap Splice Behavior - ProQuest". ProQuest. Retrieved 2021-06-01.
  3. ↑ Tazarv, Mostafa; Saiidi, M. Saiid (2016-10-01). "Seismic design of bridge columns incorporating mechanical bar splices in plastic hinge regions". Engineering Structures. 124: 507–520. doi:10.1016/j.engstruct.2016.06.041. ISSN 0141-0296. Retrieved 2021-06-01.
  4. ↑ Jansson, Peter O. (May 2008). "Evaluation of Grout-Filled Mechanical Splices for Precast Concrete Construction". Retrieved 2021-06-01. {{cite journal}}: Cite journal requires |journal= (help)
  5. ↑ "What are the Types of Mechanical Splices for Rebars?". The Constructor. 2017-11-18. Retrieved 2021-06-01.


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