Chengdu steel structure workshop processing should pay attention to strength, plasticity and toughness

Category： Industry News

Time：2020-07-06

Chengdu steel structure workshop processing should pay attention to strength, plasticity and toughness

The foundation of the steel

structure plant must be done well, and the problem can not be presented at the time of planning, many things may be because of a small factor, will form a collapse in the future, in the selection of steel should also be very careful, the main feature of plastic damage is the plastic deformation before the damage with large hair, often in the appearance of the steel presents a significant rust shedding line that is not directly intertwined with each other; Only when the stress in the component reaches the tensile strength will the damage occur, the broken N after the damage is fibrous, the color is dark: because there is always a large plastic deformation before the wing damage, the focus deformation duration is principal, simply found and rushed to repair and reinforce, so it does not cause severe results. The large plastic deformation ability before the plastic damage of the steel can complete the re-dispersion of the internal forces in the components and structures, so that some stresses of the original unequal forces in the structure tend to be uniform, so the bearing ability of the F structure is improved, and the plastic planning of the steel structure is based on this satisfactory plastic deformation ability.

The main feature of brittle damage is that the plastic deformation before damage is very small, or the bottom has no plastic deformation. The Orean agile cracking c accounting stress uJ can be less than the yield point of the steel, the cracking starts from the stress concentration, and the fracture after damage is straight, showing shiny kungranular or human grains; There is no sign of damage to Dingding, and the damage speed is relatively fast, which cannot be detected and compensated, and the moon-"dan" attack often causes damage to the entire structure, and the result is very serious, so in the process of planning and construction of steel structure, it is necessary to avoid the onset of this damage.

The steel construction staircase has a plus I function

Machining functions include cold, hot and weldable functions. Steel should have outstanding processing functions to ensure that it is not only easy to process into various forms of structure, but also does not have a large impact on strength, plasticity and toughness due to processing.

Keywords： Chengdu steel structure workshop processing should pay attention to strength, plasticity and toughness

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