The building circular column formwork is made of birch poplar wood, which is characterized by lighter weight than ordinary poplar wood, high strength and good toughness. This kind of template is mainly due to the lack of aluminum raw materials and the high price of aluminum, and the one-time investment in the template is very high. As long as we continue to increase investment in technology development and investment, the strength and rigidity of the flax chipboard. Check whether the size of the cone template of the cylindrical template is equal to the size of the actual column. Therefore, it is impossible to popularize and apply in large quantities. So far, it has been used in the Beijing area for about 10,000 square meters of multi-story, high-rise residential and industrial plants.
Construction round formwork is the most widely used new type of formwork. Now whether it is steel formwork or corrugated tube formwork, the most used one is construction round formwork, which is easy to use and not cost-effective. Wood plywood formwork is one of the most widely used formwork types abroad. The wood plywood formwork with phenolic coating surface treatment has a smooth surface, easy to demould, strong wear resistance, and good water resistance; the wooden round formwork is convenient for construction It is fast and does not require tower crane equipment. The formwork has good strength and rigidity and can be used for many times of turnover; the material is light, suitable for processing large-surface formwork and other characteristics, and can be applied to the construction of various structures such as walls and floors.
The installation of the circular column formwork is simple and quick. The building round formwork is pre-assembled and installed with a large circular column formwork. It should be in place, while correcting and inserting the connectors, and installing supports or temporary supports to prevent the large wooden formwork from overturning. When using a crane to install a large wooden formwork, the large wooden formwork needs to be securely fixed before it can be unhooked. Circular column formwork to prevent misalignment of the socket and socket, and then tighten other nuts in turn. In order to prevent the excessive pressure on the bottom template from causing the bolts to slip and expand the mold. If several groups of workers operate at the same time, the round formwork can be installed on the same day, the concrete can be poured on the same day, and the formwork can be removed early the next morning.
The formwork is formed by hot pressing at one time, the processing technology is simple; the surface is smooth, and the demoulding performance is good. Surface hardness, waterproof performance, etc. can meet the requirements of building formwork. The circular column formwork needs to be assembled, and the operating platform should be prepared before assembling. The operating platform needs to be stable and flat. The disadvantage is that the strength and rigidity of the formwork are poor, and the service life is short. However, under the current architectural conditions, it is still widely used.
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