押出法ポリスチレンフォームを用いたスラブ型枠の構造性能

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タイトル別名
  • MECHANICAL PROPERTY EVALUATION OF INSULATED FORMWORK MADE FROM EXTRUDED POLYSTYRENE FOAM
  • オシダシホウ ポリスチレンフォーム オ モチイタ スラブ カタワク ノ コウゾウ セイノウ

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抄録

The floor slabs directly above footing beams are parts of a reinforced concrete building that require insulation. A construction method using thermally insulating extruded polystyrene foam, which does not require removal, is frequently employed to simplify slab formwork dismantling in the underground pit.<br>Foam formwork has different mechanical characteristics to plywood formwork. However, these characteristics are still not well understood. <br>In this study, the stiffness of polystyrene formwork is evaluated by conducting bending and bearing pressure tests using a component specimen. Moreover, a full-scale experiment is conducted under the loading conditions present during actual construction, to investigate whether the true deformation can be assessed based on the stiffness value obtained from the component tests.

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