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Concrete pouring operation conditions

2026-05-21

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.

1. 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.

2. The scaffolding and raceways used for pouring concrete have been erected and inspected to be qualified.

3. Cement, sand, stone, and additives have been inspected and found to meet relevant standard requirements. The laboratory has issued a concrete mix proportion notice.

4. The scale (or automatic feeding system) has been checked and verified to measure accurately, and the vibrator (rod) has been inspected and tested to be qualified.

5. The foreman has provided comprehensive construction technology training to the operation team according to the construction plan, and the concrete pouring application has been approved.
 

Related Information


The Development History of Steel Structures

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.

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