How to prevent uneven aluminum alloy plate ceiling

2022-07-22
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The ceiling of kitchen and bathroom adopts aluminum alloy plate ceiling, but it is found that the ceiling of kitchen and bathroom is uneven after decoration. Why is this situation? There are several reasons for the uneven ceiling of aluminum alloy plate:

the ceiling of kitchen and bathroom adopts aluminum alloy plate ceiling, but it is found that the ceiling of kitchen and bathroom is uneven after decoration. Why is this situation? There are several reasons for the uneven aluminum alloy plate ceiling:

OPP kitchen and bathroom ceiling family integrated ceiling

the horizontal line is not well controlled, which is due to the poor control during setting out, or the keel is not leveled, and the poor control during device construction

the improper method of installing aluminum alloy plate is also the reason for the uneven integrated ceiling, which will produce wave shape in serious cases. If the keel is not leveled, install the batten first and then level it, which will cause uneven stress on the batten and produce wave shape. Light batten ceiling, if heavy objects are directly suspended on the keel, it will be partially deformed due to its inability to accept gravity. This phenomenon mostly occurs in the ceiling form of keel and fixture

in addition, if the suspender is not firm, it will cause local subsidence. If the lath itself is deformed and installed without correction, the ceiling will also be uneven. This kind of phenomenon mostly occurs in the long strip type

to prevent the uneven ceiling of aluminum alloy plate, the following problems should be paid attention to:

1. The elevation line around the integrated ceiling should be accurately snapped to the wall, and the error should not be greater than ± 5mm。 If the span is large, control points should also be added at the appropriate position in the middle. A section shall be controlled by a stay wire, and the line shall be straightened without sinking

2. Slats can be installed only after the keel is straightened and leveled, which is a reasonable and important process in construction; On the contrary, flatness is difficult to control. Especially when the plate is thin, its stiffness is poor, and it is subject to uneven external forces. Even a small force is very easy to produce deformation. Once deformed, it is more difficult to adjust on the ceiling surface. Only remove the adjustment

3. It should be considered in cooperation with the equipment. For equipment that cannot be directly suspended, another suspender shall be set to directly fix it with the top plate of the structure

4. If expansion bolts are used to fix the suspenders, hidden inspection records should be made, such as the embedded depth and spacing of expansion bolts. The key parts shall also be subject to the pull-out test of expansion bolts

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