What we are mainly explaining to you today is the role played by cement pad machine tools in the construction industry. Cement pad machine mold plays a huge role in the construction industry
What we are mainly explaining to you today is the role played by cement pad machine tools in the construction industry.
1. Under the external force, the protective layer has anchoring force to the steel bar, and the anchoring force between the concrete and the steel bar is used, and the two are closely combined to participate in the work. When the protective layer is too thin or missing, its anchoring force is reduced to reduce the structure's resistance to axial forces and bending moments.
2. The fire protection layer concrete has a certain heat insulation effect. When it encounters fire, it can protect the steel bars which are easy to soften. If the thickness of the protective layer is too thin, it will be easily cracked under high temperature environment, causing the steel bar to be weakened due to overheating and thus destroying. the whole frame. In 2003, a project in Hengyang, Hunan Province caused high temperature and high heat caused by the burning of fires to soften the steel bars and cause collapse and cause major casualties.
3, maintenance of structural durability In the concrete, the protective layer is too thin to easily penetrate into the humid gas and water. If it is too thick, cracks are likely to occur. These may cause the steel to rust and expand, thus causing damage to the concrete, affecting the use and structural safety.
4. It can be seen from the calculation formula of the bending capacity of the normal section that when the gluten protective layer is too thick, the effective height h0 of the section is reduced, the bending capacity of the section is reduced. It can be seen that the thickness of the protective layer is an important factor affecting the structural bearing capacity. The above four points cannot fully cover the role played by the cement block machine tool in the construction industry. Please look forward to more details. Pad machine http://
Http://news.chinawj.com.cn Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn
What we are mainly explaining to you today is the role played by cement pad machine tools in the construction industry. 1. Under the external force, the protective layer has anchoring force to the steel bar, and the anchoring force between the concrete and the steel bar is used, and the two are closely combined to participate in the work. When the protective layer is too thin or missing, its anchoring force is reduced to reduce the structure's resistance to axial forces and bending moments.
2. The fire protection layer concrete has a certain heat insulation effect. When it encounters fire, it can protect the steel bars which are easy to soften. If the thickness of the protective layer is too thin, it will be easily cracked under high temperature environment, causing the steel bar to be weakened due to overheating and thus destroying. the whole frame. In 2003, a project in Hengyang, Hunan Province caused high temperature and high heat caused by the burning of fires to soften the steel bars and cause collapse and cause major casualties.
3, maintenance of structural durability In the concrete, the protective layer is too thin to easily penetrate into the humid gas and water. If it is too thick, cracks are likely to occur. These may cause the steel to rust and expand, thus causing damage to the concrete, affecting the use and structural safety.
4. It can be seen from the calculation formula of the bending capacity of the normal section that when the gluten protective layer is too thick, the effective height h0 of the section is reduced, the bending capacity of the section is reduced. It can be seen that the thickness of the protective layer is an important factor affecting the structural bearing capacity. The above four points cannot fully cover the role played by the cement block machine tool in the construction industry. Please look forward to more details. Pad machine http://
Http://news.chinawj.com.cn Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn
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