When building a building or high-rise building, we usually use deformation joints. A small deformation joint will not be noticed by laymen, but it is a building material for building engineering.We all know that there are four seasons in a year, and the temperature difference in each season is very large. The temperature difference is low at minus 30 degrees and high at 40-50 degrees. Under such a seasonal environment, it is a big test for houses. Everyone knows the principle of thermal expansion and cold contraction, and so is the house. At this time, we need to use deformation joints,Of course, some deformation joints are even more necessary in areas with frequent earthquakes. When building houses, we should consider leaving space for deformation joints. Our sensitive parts will disconnect the building and divide it into several opposite units, and the reserved joints can make the building have enough deformation space. In this way, we can use the deformation joints.
① Thin plywood with foam of corresponding thickness shall be used in the deformation joint and fixed firmly with the foam.
② Increase the number of rebar cover blocks on the deformation joint surface.
③ Purpose: The thin splint on both sides is to prevent the vibrator rod from damaging the foam, and the width and function of the deformation joint.
④ However, the wallboard shall be poured and vibrated evenly on both sides during pouring, otherwise it is easy to be squeezed.
⑤ In order to prevent the foam from floating up due to concrete pouring, the formwork shall be used for sealing and steel pipe shall be used for reinforcement to prevent it from floating up.
⑥ The formwork erection method for deformation joint of infilled wall and beam shall be the same as that for beam.
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