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某船厂装焊车间是一幢大型单层单跨厂房,平面尺寸(轴线)为60×254.50m,开间18m,檐高24.30m(低跨段)和32.60m(高跨段)。其屋面网架拼装施工,采用一种滑动式移动脚手,取得成功,经济效益显著。 落地移动式脚手架的构造由三部分组成,一是型钢底座,二是钢管扣件脚手架,三是滑动式移动机构。型钢底座为21.70×52.30m平面构架,由双拼[30和[20槽钢焊接而成,在槽钢下沿车间长向(脚手横向)焊上4条钢靴,每条的底面尺寸为0.6×21.7m,在钢靴与地面间垫上1条活络钢板,并使钢靴与钢板间涂以黄油,
The welding shop of a shipyard is a large-scale single-story single-span factory building with a plane size (axis) of 60×254.50m, an opening of 18m, a raft height of 24.30m (low span) and 32.60m (highspan). The construction of the roof net frame assembly, using a sliding mobile foot, success, significant economic benefits. The structure of the floor-standing movable scaffold consists of three parts: a steel base, a steel pipe fastener scaffold, and a slide-type moving mechanism. The steel base is a 21.70×52.30m plane frame, which is made of double-splice [30 and [20 channel steel welding, welding four steel boots along the length of the workshop to the (cross-legged) under the channel steel, the bottom dimension of each is 0.6 × 21.7m. A steel plate is placed between the steel boots and the ground, and the steel boots and the steel plate are coated with butter.