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2025-07Xinguangzheng Steel Structure Informs You: Relevant Regulations for Welding Construction Quality Acceptance of Steel Structures
(I) General ProvisionsUltrasonic testing (or other non-destructive testing) of welds forcarbon structural steelshall be performed after the weld has cooled to the ambient temperature.Ultrasonic testing (or other non-destructive testing) of welds forlow-alloy structural steels......
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2025-07Xinguangzheng Structure Informs You: Construction Regulations for Steel Structure Fireproof Coatings
Qualified Personnel:Fireproof spraying protection for Xinguangzheng steel structures shall be carried out by specialized construction teams certified through training. Safety techniques and labor protection requirements during construction must comply with current national regulations.Prerequi......
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2025-07Composition and Determination of Construction Project Costs
Xinguangzheng Steel Structure Knowledge Point: Damage Detection of Steel StructuresDamage Types:Mechanical forces, temperature.Detection Content:(1) Member straightness; (2) Member surface defects; (3) Connections (welded, bolted); (4) Steel corrosion; (5) Fireproof coating thickness.Con......
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2025-06Causes and Preventive Measures for Welding Cracks in Steel Structures
(I) Hot CracksHot cracks, also known as high-temperature cracks or solidification cracks, occur at elevated temperatures. They typically form within the weld metal but can also appear in the heat-affected zone (HAZ). Manifestations include longitudinal cracks, transverse cracks, root cracks, crater......
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2025-06Characteristics of Steel Structure Factory Buildings
Xinguangzheng Steel Structure factory buildings primarily refer to those where the main load-bearing components are made of steel. These include steel columns, steel beams, steel structure foundations, steel roof trusses (especially important as factory spans are generally large, and steel trusses a......
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2025-06Factors and Solutions for Sagging in Steel Structure Fireproof Coatings
The main factors causing sagging in fireproof coating films on steel structures fall into two categories:Construction-related factors:The coating is applied too thickly in a single layer, or excessive thinner is added during application, resulting in excessively low coating viscosity.Inherent......
