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How to make steel reinforcement
Date:2014-08-11 Views:882Times
The main strengthening methods of steel structure are: reduce the load calculation, change the graphics, increase the original structure member section and connecting strength, prevent crack propagation. When you have enough experience, also can use other strengthening methods. The steel structure identification of reinforcement, according to the scope of damage is generally divided into local reinforcement and comprehensive reinforcement. The local strengthening is on the bar or nodes in a low bearing capacity of reinforced bar section method, have increased, decreased rod free length method and the connected node reinforcement method. The comprehensive reinforcement is the overall structure of the reinforcement, not change the structure static calculation graph reinforcement and change the structure static calculation of reinforcement method of two kinds of graphics. To increase or enhance the support system, but also the effective method for structure reinforcement. Increasing reinforcement method of original component sections is the cost of feeding method is the most laborious (but often is a feasible method to change the method of calculating diagram); the most effective and diverse, its cost is also greatly reduced.
Determination of the reinforcement scheme of the former, shall collect the following information: (1) the original structure of the completion graph (includes changes map) and inspection records. (2) the original copy of the report or in the field of steel material material inspection report. (3) the original structure components production, installation acceptance record. (4) the original structural design calculations. (5) the structure or component damage inspection report. (6) the additional load current actual load data and after reinforcement.
