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 There are distinct differences between steel trusses and spatial structures. Spatial structures incorporate spheres (such as bolted spheres and hollow spheres), whereas steel trusses generally do not use spheres, though they may be used in certain applications—for example, at supports or where steel pipes and pipe connections are not suitable. From an engineering perspective, steel trusses have better load-bearing capacity than spatial structures and can span over 100 meters; spatial structures generally do not exceed a span of 100 meters. Steel trusses refer to truss structures made of steel used in industrial and civil buildings for roof structures, crane beams, bridges, and hydraulic gates, among others. Steel trusses are commonly used as primary load-bearing members. Various types of towers, such as mast towers, television towers, and power transmission towers, often employ spatial steel trusses composed of three-sided, four-sided, or multi-sided planar trusses. Spatial struc...

 Steel structures are structures made of steel materials and are one of the main types of building structures. The structure mainly consists of components such as beams, columns, and trusses made of steel sections and plates, and uses rust removal and prevention processes such as silanization, pure manganese phosphating, water washing and drying, and galvanizing. The components are usually connected by welds, bolts, or rivets. Due to its light weight and simple construction, it is widely used in large factories, stadiums, and high-rise buildings. According to different classification standards, steel structures are classified as follows: 1.Steel structures are classified into four types according to their uses: tall steel structures, plate and shell steel structures, industrial plant steel structures, and light steel structures. 2.Tall steel structures: Tall structures include television towers, microwave towers, communication towers, high-voltage transmission line towers, petroch...

 Routine maintenance of steel structures should focus on structural safety, corrosion protection, and the maintenance of connection components. Specific measures are as follows: 1. Routine Inspection and Maintenance Inspect components such as supports and purlins for deformation, corrosion, or loosening, with particular attention to the tightness of bolted connections. ‌ The thickness of the roof insulation layer must meet standards to prevent condensation, which can cause prolonged moisture exposure and corrosion of metal components. 2. Corrosion Protection: Promptly repair areas with peeling paint or rust. Prioritize the use of anti-corrosion paint or spray coatings for protection, ensuring the metal surface is clean and dry. Maintenance of Special Components Supports and sliding ball joints: Regularly lubricate moving parts (such as sliding ball joints) using molybdenum disulfide grease to reduce the coefficient of friction and maintain smooth rotation. ‌ Check that drainage ar...

  Steel structures are primarily composed of steel components, characterized by steel beams, steel plates, steel columns, steel trusses, and other elements; they are a major type of building structure, connected through welding, bolts, or rivets between each member or component. When damage occurs in a steel structure, it should be identified and addressed immediately. (1) Insufficient load-bearing capacity due to changes in load, overtime work, or revisions to standards and regulations; (2) Deformation, distortion, loss of functionality, or indentation of components caused by various accidents, leading to weakened cross-sections, warped members, or cracked connections; (3) Deformation, cracking, or warping of components or connections caused by temperature differences; (4) Corrosion and electrochemical corrosion caused by chemical erosion, weakening the cross-section of steel structure components; (5) Other issues including errors in design, production, or construction, as well a...

  1. Definition of Snow Load Snow load refers to the calculated snow pressure acting on the roof surfaces of buildings or structures, typically representing a spontaneous meteorological load formed by accumulated snow. The magnitude of snow load primarily depends on regional snowfall amounts derived from meteorological data, roof configurations, building geometric dimensions, and normal building usage conditions. In short, snow load is a critical factor in architectural design to ensure structural safety and stability under snow accumulation conditions. 2. Factors Affecting Snow Load Snow load significantly impacts building design across different regions, primarily through the following aspects: (1) Geographic Location and Climate Conditions: Snow load levels vary by region, requiring design parameters to be determined based on local climate and topography. For instance, high-altitude areas and mountainous regions typically experience heavier snow loads, while low-altitude areas a...

  In the current rapid development of social construction, bolt ball grids are used in many large-scale engineering construction processes. Steel structure buildings are used in many large shopping malls, office buildings, and cold storage warehouses. The steel structure of the factory is divided into light steel structure factory and heavy steel structure factory. Bolt ball grid plays an important role. So, what are the advantages of bolt ball grid? In the construction process of many large office buildings, the bolt ball grid is light in weight, has strong plasticity, uses high-strength steel, has a large span of manufacturing plant, and can be made into a structure with a large span. The bolt ball node of the grid is realized by connecting the rod and the ball through high-strength bolts. It is easy to install on site, which can greatly shorten the construction period and improve construction efficiency. In addition, the advantage of the bolt ball node of the grid is that it ha...