Surya Engineering is a Leading Manufacturer of Reinforcement Bar Coupler. Surya Engineering Deals in Mechanical Splicing System Technology for the construction Industry, Our product offers to connect two TMT bars with this mechanical rebar couplers over the traditional lap splicing method for bars ranging from 12mm to 40mm. Reinforcement couplers are used for extending rebars with full tension resistance. The ends of the bars to be joined are provided with threads on Coupler. We have dealers across Mumbai, Pune, Kolhapur, Solapur Delhi, Bangalore, Hyderabad, Kolkata, Raipur, Kota, Udaipur, Rourkela, Patna, Indore, Vijayawada, Vizag, Chennai, Kolkata, Surat, Vadodara, Ahmedabad, Rajkot, Mysore, Hubli, Mangalore, Gadag Chittoor, etc.here are different code specification in India for Rebar Coupler which is given below
1. ACI: 318-2008
Type 1: As per this code joint should be required to achieve 1.25Fy as a minimum.
Example:- For Fe500 the tensile strength expected is at least 625 N/mm2.
Type 2: As per this code Joint should be required to meet the 1.25Fy requirement and also meet the Tensile Strength of the rebar.
For Example:- For Fe500 the ultimate stress expected from the same is at least 700 N/mm2.
2. BS 8110-Part 1, Section 3, 1989
In this Code Specification testing of the rebar coupler of a precise type, the permanent elongation after loading to 0.6fy should not exceed 0.1mm.
For Example:- For grade 460 the tensile strength should exceed 497 N/mm2.
3. IS 1786-2008
In this Specification, Fe500 Rebar is considered acceptable for use anywhere in the structure if meets the ultimate strength of 545 N/mm2 which is much less than the 1.25Fy.
In this case, the Condition becomes at least 625 N/mm2 as well.
4. IS 16172-2014
Coupler to be designed for Fe550 grade.
The only tests recommended for acceptance on projects are static tensile tests.
Example :- Fe500 rebar breaking at a stress of 580 N/mm2 is acceptable as per IS 1786 requirement of 545 N/mm2.
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