The inner membrane of the bridge plate is also known as the hollow inner membrane, the rubber airbag, the hollow core mold, the rubber inner membrane, the bridge inflatable core mold and the like. The inner membrane of the rubber bridge plate gradually replaced the bamboo touch, and the status of the steel mold became the new favorite of the bridge industry. He is not only easy to use, but also easy to use. The inner membrane of a bridge plate can be reused 70-80 times. Moreover, it is easy to store. After use, the concrete on the inner membrane of the bridge plate is cleaned, the gas inside is released, rolled up and placed in a place not directly exposed to sunlight, and no sharp objects are touched to avoid scratching the capsule. How to use the inner mold of the airbag 1
A evenly apply the release agent to the outer surface of the inner mold of the airbag.
B. The inner mold of the airbag is inserted into the steel cage with concrete underneath by rope traction, and the airbag inner mold aeration nozzle is placed outside.
2 inflatable
A Open the air intake valve of the air bag inner mold to inflate. The pressure is controlled by a pressure gauge during inflation.
B When the air pressure reaches the air pressure, close the intake valve.
The C-shaped airbag inner mold should be alternately inflated until the air pressure is reached.
D Do not overpressure when using.
3 Fixing and pouring concrete
A. When the concrete is damped, the inner mold of the airbag will float. Therefore, it must be fixed up and down, left and right. Generally, the diameter of the 250MM core mold stirrup is 80cm. If the diameter is increased, the pitch is reduced accordingly.
The method of pouring concrete by B is basically the same as that of the core construction. Pay attention to the high-frequency insertion or the vibration stir bar to simultaneously vibrate from both sides to prevent the inner mold of the airbag from being displaced left and right. It is best not to touch the mandrel at the end of the vibrating rod.
4 Demoulding When the concrete is initially set, open the valve and deflate, then the inner mold of the airbag can be taken out, and the demoulding time can be determined by the cement number.
5 Rinse the inner mold of the air bag and test the water. Please take it out for safe use so that the inner mold of the airbag can be reused.
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A evenly apply the release agent to the outer surface of the inner mold of the airbag.
B. The inner mold of the airbag is inserted into the steel cage with concrete underneath by rope traction, and the airbag inner mold aeration nozzle is placed outside.
2 inflatable
A Open the air intake valve of the air bag inner mold to inflate. The pressure is controlled by a pressure gauge during inflation.
B When the air pressure reaches the air pressure, close the intake valve.
The C-shaped airbag inner mold should be alternately inflated until the air pressure is reached.
D Do not overpressure when using.
3 Fixing and pouring concrete
A. When the concrete is damped, the inner mold of the airbag will float. Therefore, it must be fixed up and down, left and right. Generally, the diameter of the 250MM core mold stirrup is 80cm. If the diameter is increased, the pitch is reduced accordingly.
The method of pouring concrete by B is basically the same as that of the core construction. Pay attention to the high-frequency insertion or the vibration stir bar to simultaneously vibrate from both sides to prevent the inner mold of the airbag from being displaced left and right. It is best not to touch the mandrel at the end of the vibrating rod.
4 Demoulding When the concrete is initially set, open the valve and deflate, then the inner mold of the airbag can be taken out, and the demoulding time can be determined by the cement number.
5 Rinse the inner mold of the air bag and test the water. Please take it out for safe use so that the inner mold of the airbag can be reused.
The content of the above article is from http://If there is any reprint, please indicate the original
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