The construction acceptance specification requires that the electric welder must pass the examination and obtain the certificate, and the certified electric welder must perform welding within the scope of the new project passing the examination and the approval.The used welding wire, flux, flux-cored welding wire and melting tip must be baked and stored according to the requirements of the product manual and welding method document before use.

How to deal with bad weather in steel structure workshop，The progress of steel structure buildings has been very fast in recent years. Whether it is the formulation of the overall structure or the selection of related raw materials, there has been real development in many fields, so in the face of some extreme weather of course Under the circumstance, what is the correct treatment method for the steel structure workshop?

What calculation should be paid attention to in steel structure engineering，Steel structure is a structure composed of steel materials and is one of the main types of building structures. The structure is mainly composed of steel beams, steel columns, steel trusses and other components made of section steel and steel plates, and adopts rust removal and rust prevention processes such as silanization, pure manganese phosphating, washing and drying, and galvanizing.

Earthquakes are one of the large and medium-sized natural disasters that are the most lethal to big cities and cannot be reasonably prevented from beginning to end. How to deal with earthquakes? How to make engineering buildings safer in disasters?The material of the stainless steel plate is well-proportioned, and the compressive strength is easy to ensure, so the stability of the structure is large. Its ductility is good, so that the structure has a large deformation capacity, and it will not collapse even under a large deformation, thereby ensuring the safety factor of the structure.

1. Construction lofting, cutting and laser cutting should be carried out first in the manufacture of steel structures. During construction lofting and cutting, the welding capacity and laser cutting during fabrication and assembly should be reserved according to the technical regulations. Edge planing and milling the remaining amount of fair machining. Before oxygen cutting, the rust and waste on the surface of the laser cutting area of ​​the stainless steel sheet should be cleaned up neatly, and the slag and splashes should be eliminated after oxygen cutting;

(1) High-rise residential steel structure technology. According to the building density and the development standard, the frame, frame support point, tube section and super-large frame shear wall are respectively adopted, and the components can be steel, rigid concrete structure or steel tube concrete. The steel members are light and have good ductility, and can be welded with welded channel steel or cold-rolled channel steel, which is suitable for high-rise buildings; stiff concrete structural members have high bending rigidity and good fire safety performance, suitable for medium-storey buildings or bottom-end buildings. Structure; Concrete-filled steel tube engineering is simple in construction and is only used for column structure.