KPC Flexi Tubes Pvt. Ltd.

Proof load check of threaded reinforcing bars — Every threaded reinforcing bar end shall undergo a load test prior to actual use. The minimum test loading shall be equivalent to 80 percent of the minimum specified yield strength/proof strength of reinforcing bar. The proof load test equipment shall have digital display for automatic setting and control of pressure and proof load imparted to each reinforcing bar. The equipment shall be managed in automatic mode with display of setting pressure and actual pressure applied, and shall be accepted if applied pressure is equal to or higher than setting pressure. A positive indication shall be punched on the reinforcing bar by the load testing machine to indicate that this operation has been carried out and the bar end has qualified for specified strength.