02-03-2017 дата публикации
Номер: KR1020170022800A
Принадлежит:
The present invention relates to a light hollow precast beam developed to be suitable for a long span and a high load and, more specifically, relates to a light hollow precast beam capable of having a light weight through a hollow hole, formed in the lower part of a precast arch block, and efficiently resisting a high load through an arch effect of the arch block. According to an embodiment of the present invention, the light hollow precast beam includes: an arch block including an arch part formed in a longitudinal centric part, an embedding part horizontally extended from both sides of the arch part, a precast concrete block making the centric part have an arch shape, and a plurality of through holes formed in the embedding part in a longitudinal direction; a lower flange block comprising a flat precast concrete wider than the arch block to embed the embedding part and the lower part of the arch part of the arch block, and a plurality of studs combined with the lower surface at regular ...
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