英语翻译有关建筑吊顶方面的~Suspended ceilings In modern interiors,the req

英语翻译
有关建筑吊顶方面的~
Suspended ceilings
In modern interiors,the requirements for service circulation are often greater than can be accommodated in the depth of floor joists or surface-mounted conduits.A suspended ceiling creates a void that allows for freer circulation of more complicated electrical and plumbing provisions and larger pieces of equipment ,such as heating and ventilating units and ducts.
Lowered ceilings also offer practical options for the designation of different areas within an interior space.This is usually more practical than raising foor levels,which requires substantial construction including access stairs ,ramps and lifts ,which are expensive and consume valuable floor Space.
Construction
Suspended ceilings may be supported off timber floor joists .Existing ceiling material need not be removed since it is simpler to fix through it than to remove it .if the existing ceiling is undamaged it will constitute a fire barrier between two separate areas,reducing the statutory requirements made of the new construction.
Lengths of softwood,known as’hangers’,are fixed directly to the floor joists above(or,if a ceiling is retained,to battens screwed to the original floor joists)and support light joists.Hangers may be as thin as 50mm square – they are in vertical tension ,so do not need to resist bending.The structure is comparatively fragile so it is better to screw pieces together,since nailing will destabilize work already completed.The same rules for spacing of framing members applies as for any plasterboard cladding,and every joint should have framing behind it to eliminate hairline cracking and to ensure the even junction of sheets.

在现代室内装饰的要求,服务流通往往大于可容纳在深度地板搁栅或表面安装的管道.悬挂天花板创建一个无效,允许自由流通的更复杂的机电水暖规定和较大的块设备,如加热和通风装置及管道.降低天花板还提供切实可行的办法来指定不同领域内的内部空间.这通常是更实际的比提高贫困的水平,这需要大量的建筑包括访问楼梯,坡道和电梯,这是昂贵和消耗宝贵的地面空间.建设吊顶可能支持了木地板搁栅.现有的吊顶材料不需要被删除,因为它是简单修理它比删除它.如果现有的天花板是完好无损,这将构成一个消防屏障之间的个别地区,降低法定要求的新建筑.长度的软木,称as'hangers',是直接固定在地板托梁以上（或,如果天花板是保留,以板条拧到原来的地板搁栅）和支持托梁.衣架可以薄到50平方–他们在垂直紧张,所以不需要抵抗弯曲.其结构是比较脆弱的,最好是螺丝钉起来,因为会破坏工作已经完成.同一规则间距取景成员适用于任何石膏板覆面,和每一个联合应制定背后消除裂缝和确保即使结片.题目是吊顶