Fire prevention method, node structure and fire prevention system of an aluminum alloy structure
An aluminum alloy, node technology, applied in fire prevention, building structure, building components, etc., can solve problems such as the decline of structural bearing capacity, and achieve the effect of rapid and effective cooling
Active Publication Date: 2021-06-08
SHANGHAI MECHANIZED CONSTR GRP
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Problems solved by technology
[0006] Aiming at the problem that when the aluminum alloy structure of a building encounters a fire in actual use, its own temperature rises, resulting in a decrease in the bearing capacity of the structure, the first purpose of the present invention is to propose a fire prevention method for an aluminum alloy structure. Using the above method, the aluminum alloy is used as the main body of the structure When the building encounters a fire, the strength and bearing capacity of the aluminum alloy structure will not be reduced, ensuring the safety of the building
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Embodiment Construction
[0069] Compared with the dominant steel in the field of architectural space structures, aluminum alloy materials have the characteristics of light weight, corrosion resistance and easy processing. The reduction of the structure's self-weight helps to reduce the cost of supporting structures and foundation projects. Its good anti-corrosion performance can save expensive anti-corrosion costs, anti-corrosion treatment and daily maintenance costs, which is especially suitable for public buildings such as swimming pools with indoor water environments. Its good processing performance makes the aluminum alloy structure well meet the requirements of complex architectural shapes. However, the strength of aluminum alloy materials commonly used in construction begins to decrease at a temperature of about 100°C, and the strength decreases by half when the temperature exceeds 200°C. Therefore, it is necessary to take effective measures to prevent the excessive temperature rise of aluminum...
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The invention discloses a fireproof method, node structure and fireproof system of an aluminum alloy structure, wherein the method includes: setting a cavity in the node and the rod of the aluminum alloy structure; connecting the node and the rod according to the building configuration, and Conducting the rod and the cavity in the node to form a water circulation flow channel; injecting antifreeze circulating water into the water circulation flow channel, and setting a driver for driving the flow of antifreeze circulating water in the water circulation flow channel; setting a first trigger condition for triggering the action of the driver; When the first trigger condition is triggered, the driver drives the antifreeze circulating water in the water circulation channel to flow; the nodes are made of stainless steel, and the rods are made of aluminum alloy. Design a special node form to allow water to circulate inside the structure. When a fire occurs, the heat on the aluminum alloy components will be taken away by water circulation, so as to ensure that the bearing aluminum components will not lose their bearing capacity due to excessive temperature rise.
Description
technical field [0001] The invention relates to the technical field of fire prevention of building structures, more specifically, it relates to a method for fire prevention of an aluminum alloy structure, a node structure and a fire prevention system. Background technique [0002] Aluminum alloys are widely used in the aerospace field. In recent years, due to its light weight, corrosion resistance, and easy processing, the application of aluminum alloy structures in the field of construction engineering has gradually increased. Many aluminum alloy structure buildings have been built in the fields of industrial buildings, sports buildings and exhibition buildings in China. Most of the component sections are I-shaped profiles, and the joints are plate joints, which are connected by stainless steel bolts. There are also individual round pipe profiles and bolt ball joints. [0003] Similar to other metal materials, the strength of aluminum alloy materials decays rapidly at hi...
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IPC IPC(8): E04B1/24E04B1/94A62C35/60
CPCA62C35/60E04B1/24E04B1/2403E04B1/94E04B1/941E04B2001/2406E04B2001/949
Inventor 周锋吴晓风郑祥杰谷凯张良兰吴欣之
Owner SHANGHAI MECHANIZED CONSTR GRP