闭口楼承板与普通开口板相比板型截面优势
The advantage of plate section between the bearing plate of closed building and the common open plate
1．闭口楼承板板底平整、腹板贴合，可根据各种房间的不同功能和需要提供多种板底天花处理方式。如直接喷漆可做成企口型天花板（状似铝扣板）、也可披刮腻子后涂刷水性涂料做成平板天花板、还可直接贴壁布或壁纸装饰成彩色天花板或利用闭口独特的卡槽悬吊系统安装吊顶。而能更经济地满足业主的审美需要。
1. The bottom of the bearing plate of the closed floor is flat and the
web is jointed. According to the different functions and needs of
various rooms, a variety of treatment methods for the bottom and ceiling
of the plate can be provided. For example, the direct spray paint can
be made into a slotted ceiling (like an aluminum gusset plate), or the
water-based paint can be painted after puttying to make a flat ceiling,
or the wall cloth or wallpaper can be directly pasted to decorate the
colorful ceiling or the ceiling can be installed by using a unique
closed card slot suspension system. It can meet the owner's aesthetic
needs more economically.
2．闭口楼承板截面重心距板底16mm左右，小于开口型或缩口型截面参数，按塑性理论分析组合楼板结构承载力时，混凝土压
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力合力中心与钢板拉力合力中心具有更大的内力臂，这表示材料强度发挥更充分，因此闭口组合楼板具有更大的结构承载力或者说具有更高的安全系数。
2. The center of gravity of the bearing plate section of the closed
floor is about 16mm away from the bottom of the plate, which is smaller
than the parameters of the open or reduced section. When the bearing
capacity of the composite floor structure is analyzed according to the
plastic theory, the center of the concrete pressure resultant force and
the center of the steel plate tensile resultant force have larger
internal force arms, which means that the material strength plays a more
full role, so the closed composite floor has a larger or higher
structural bearing capacity Safety factor.