Connection joint of prefabricated floor slab and beam
A connection node and prefabricated technology, applied in building components, building thermal insulation materials, buildings, etc., can solve the problems of difficult to adapt to the rapid construction of light-weight housing structure floor slabs, no insulation and sound insulation, air purification and waterproofing, and complex connection methods. To achieve the effect of shortening the construction period, good waterproofness, and reducing waste
Pending Publication Date: 2019-12-06
SHENYANG JIANZHU UNIVERSITY
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The invention provides a connection joint of a prefabricated floor slab and a beam. The connection joint comprises a first floor slab, a second floor slab, the beam, reserved bolt holes, high-strengthbolts, cast-in-situ concrete, a water swelling agent and the like. The connection joint is connected with a toe slab by insertion of a buttress T-shaped rib into a toe slab T-shaped groove to form abuttress retaining wall unit. The floor slab is formed integrally by the first floor slab and the second floor slab which are in lap joint by a first floor slab extension rib and a second floor slab extension rib; the floor slab is lapped at the upper part of a rectangular extension rib of the beam; the first floor slab extension rib and the second floor slab extension rib are integrally connectedwith the beam by a built-in reserved steel bar channel of the beam; the water swelling agent is added to the joint between the first floor slab and the second floor slab. The connection joint has theadvantages of good connection integrity of joints between the floor slab and the wall, shortened construction period, convenience in construction and transportation, high construction speed, reducedwaste, simple structure and the like, and greatly improves construction efficiency.
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