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Elevator guide rail is an elevator component composed of steel rail and connecting plate. It is divided into car guide rail and counterweight guide rail. …

When identifying the age of furniture, it can sometimes be judged by the manufacturing method of some components. Although it is not very reliable to …

Steel structure alliance creates the first exchange platform in the steel structure industry. I. splicing of components I. equal section tension and compression bar splicing …

Click “steel structure design” above to pay attention to my source: prefabricated building network (ID: yuzhijianzhuwang); Author: Li Weixing. Source: Tianhua building industrialization technology center, …

Click the “architect magazine” above to subscribe and update architecture | design | travel | creativity | life | books. Among the stamps of “cultural …

1. Building system 1-1, portal frame system 1-1-1, basic components figure 1-1-2. Explain the mechanical principle. The portal frame structure is mainly a horizontal rigid …

1. Building system 1-1, portal frame system 1-1-1, basic components figure 1-1-2. Explain the mechanical principle. The portal frame structure is mainly a horizontal rigid …

1. Building system 1-1, portal frame system 1-1-1, basic components figure 1-1-2. Explain the mechanical principle. The portal frame structure is mainly a horizontal rigid …

Source: in case of infringement, please contact the construction worker to delete stair 1, first run stair at2 A running ladder (BT) with low-end slab …

There is a cognitive gap between the inside and outside of structural engineering. For those who do not engage in structural engineering, it seems that …