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The Development History of Steel Structures
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Requirements for concrete pouring and vibration
Technical measures for steel structure reinforcement
Concrete pouring operation conditions
2026/05/21
Although China made early achievements in iron structures, it remained at the level of iron buildings for a long time. It was not until the end of the 19th century that China began to adopt modern steel structures. After the establishment of the People's Republic of China, the application of steel structures has made great progress, far exceeding the past in both quantity and quality. The floor of the light steel structure is composed of cold-formed thin-walled steel frames or composite beams, floor OSB structural plates, supports, connectors, etc. The materials used are oriented strand board, cement fiberboard, and plywood. These lightweight floors can withstand a load of 316-365 kilograms per square meter.
The free fall height of concrete from the feeding port shall not exceed 2 meters, and measures must be taken if it exceeds 3 meters.
When steel structures are also damaged, we need to immediately detect and solve the problem. The main factors causing damage to steel structures are
The formwork, steel bars, top embedded parts, and pipelines for pouring concrete layers have all been installed and inspected to meet the design requirements, and the hidden and pre inspection procedures have been completed.
The process of pouring concrete into the mold until plasticization - Concrete pouring
Concrete pouring refers to the construction process of pouring concrete into a mold until it is plasticized, mainly used in civil engineering and construction projects.
How long after pouring concrete can it be watered
Cold weather: Do not sprinkle water when the temperature is below 5 ℃, as it can easily freeze and cause harm. You need to cover it with something to keep it warm. How many days do maintenance take