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There are several methods of splicing reinforcement steel bars in construction. Some common methods include lap splices, mechanical splices, and welded splices. Lap splices involve overlapping the ends of two reinforcement bars and binding them together with tie wire or other fastening methods. Mechanical splices use couplers or other mechanical devices to join two reinforcement bars together without overlapping them. Welded splices involve welding the ends of two reinforcement bars together to