Spaceframe-SAFS

 Usually in the construction industry commonly used steel structure has many advantages such as light weight, recyclable materials, etc., but due to the characteristics of the steel itself can not be resistant to high temperatures, affecting the safety of the steel structure building, hindering the development of steel structure manufacturers. 1, the application of building fire-resistant, weathering-resistant steel general steel fire resistance is poor, but can be through the relevant technical means, change the material composition of the steel, add specific components, change the structure and metallurgical organization of the steel, to improve the fire resistance and weathering resistance of the steel itself. This is the fire-resistant, weathering-resistant steel. This steel at a temperature of 600 ℃, the strength of less than 30% decline, in addition to its fire resistance table is better, you can reduce the appropriate thickness of the protective layer in the construction, and ev

 The strength problem of space frame steel structure refers to whether the maximum stress (or internal force) caused by the load of the structure or a single component exceeds the ultimate strength of the building material in a stable equilibrium state, so it is a stress problem. The value of ultimate strength depends on the characteristics of the material. For brittle materials such as concrete, its maximum strength can be taken, and for steel, its yield point is often taken.            The stability problem is different from the strength problem. It is mainly to find the unstable equilibrium state between the external load and the internal resistance of the structure, that is, the state where deformation begins to increase rapidly, so as to try to avoid entering this state. Therefore, it is a deformation problem. For example, for axial compression columns, due to instability and lateral deflection, a large amount of bending moment is added to the column, so the failure load of the

 Non-destructive testing is a detection method to check the surface and internal quality of the inspected part without destroying the working state of the workpiece or raw materials, and is a common method to ensure the steel structure engineering. Because of the different components, the use of non-destructive testing methods are also different. Let's take a look at the following introduction. Ultrasonic inspection: The use of ultrasonic energy to penetrate the depth of metal materials, from one section into another section, the characteristics of reflection at the edge of the interface, a method to check the defects of parts. When the ultrasonic beam is transmitted from the probe from the surface of the part to the inside of the metal, the defects and the bottom surface of the part produce reflected waves respectively, forming a pulse waveform on the fluorescent screen. Based on these pulse waveforms, the location and size of the defect can be judged. X-ray inspection (X-ray, ga

  Steel structure engineering buildings can be seen in many places. However, the surface of the steel structure should be anti-corrosion and surface treatment to ensure the quality of the surface of the steel structure. The following steel structure plant will take a look at the corrosion prevention method and surface treatment of steel structure. 1, metal protective layer: metal protective layer is a metal or alloy with cathode or anode protection, through electroplating, spray plating, chemical plating, hot plating and osmotic plating and other methods, in the need to protect the metal surface to form a metal protective layer (film) to isolate the contact between the metal and the corrosive medium, or the use of electrochemical protection to protect the metal, so as to prevent corrosion. 2, chemical protective layer: through chemical or electrochemical methods to generate a compound film with corrosion resistance on the surface of the steel to isolate the contact between the corrosi

 1 Advantages of light steel structure application in industrial buildings 1.1 The physical space of the building is light and open Light steel structure structure cross-section is small, light weight, according to the actual force situation can be precisely designed bearing structure section, the force of the space structure is reasonable. The light roofing system uses 8kg/m2 of steel, which greatly saves building materials. In addition, the section of light steel support structure occupies a small proportion of the indoor building area, which increases the use area of industrial buildings. Enterprises can reasonably install indoor machinery and equipment according to the product production process, layout the production flow line, and can hide some complex pipelines in the gap of the grid structure, so as to reserve a more open production, storage and transportation space. 1.2 The main structure is stable and reliable The steel itself is homogeneous, has good ductility, has good sei

 Usually in the construction industry commonly used steel structure has many advantages such as light weight, recyclable materials, etc., but due to the characteristics of the steel itself can not be resistant to high temperatures, affecting the safety of the steel structure building, hindering the development of steel structure manufacturers. 1, the application of building fire-resistant, weathering-resistant steel general steel fire resistance is poor, but can be through the relevant technical means, change the material composition of the steel, add specific components, change the structure and metallurgical organization of the steel, improve the fire resistance and weathering resistance of the steel itself. This is the fire-resistant, weathering-resistant steel. This steel at a temperature of 600 ℃, the strength of less than 30% decline, in addition, because of its fire-resistant table is better, you can reduce the thickness of the protective layer in the construction of the approp

 In the construction industry, as the utilization of steel structure main body becomes more and more popular, the fabrication, transportation and installation process technology of steel structure main body has been paid more and more attention to, and at the same time has been developed faster and improved continuously. Further improving the precision of fabrication and installation of steel structure main body and reducing the cost is a topic in front of the steel structure main body industry. Provisions and industry standards have already made a lot of regulations in this regard, putting forward requirements for every step from parts discharging to completion. Accuracy of the fabricated dimension of steel structure main body is the basic and prerequisite to ensure the accuracy of the overall structural dimension and smooth installation of steel structure main body. Therefore, it is necessary to accurately grasp such things as the straightness and twist of steel columns, the distanc

 In the construction industry, as the utilization of steel structure main body becomes more and more popular, the fabrication, transportation and installation process technology of steel structure main body has been paid more and more attention to, and at the same time has been developed faster and improved continuously. Further improving the precision of fabrication and installation of steel structure main body and reducing the cost is a topic in front of the steel structure main body industry. Provisions and industry standards have already made a lot of regulations in this regard, putting forward requirements for every step from parts discharging to completion. Accuracy of the fabricated dimension of steel structure main body is the basic and prerequisite to ensure the accuracy of the overall structural dimension and smooth installation of steel structure main body. Therefore, it is necessary to accurately grasp such things as the straightness and twist of steel columns, the distanc