On-site concrete hollow floor construction method of LPM light filling embodies
A construction method and hollow-core floor technology, which is applied to the preparation of floor slabs, formwork/formwork/work frames, and building components on site, can solve problems that cannot meet the needs of green construction, achieve convenient horizontal and vertical transportation, and shorten the construction period , the effect of less concrete consumption
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[0040] A construction method for LPM light-weight filling embodying poured concrete hollow floors. The LPM light-weight filling body is mainly filled with self-extinguishing flame-retardant lightweight porous material—polyphenylene foam, with reinforcement and isolation layers outside; The material is wrapped with an isolation layer for protection and waterproofing, and a reinforcement layer is set on the top or bottom surface to resist construction and floating loads;
[0041] The construction method includes the following steps:
[0042] (1) Formwork for supporting the bottom of the slab
[0043] The bottom formwork of the hollow floor is made of 15mm multi-layer board, the secondary keel is made of 40mm×90mm wooden square, the main keel is made of 48mm×3.2mm double steel pipes, and the support adopts the fastener type steel pipe full house scaffold system. Adjust the top support; when the span of the slab is ≥ 4m, the top slab must be arched, and the height of the arch is ...
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