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    • 3. 发明授权
    • 횡구속 및 하이브리드 섬유혼입을 통한 고강도 콘크리트의 내화성능 향상공법
    • 高强度混凝土结构的耐火增强方法
    • KR101253255B1
    • 2013-04-10
    • KR1020120101782
    • 2012-09-13
    • 한국건설기술연구원주식회사 목양종합건축사사무소
    • 김흥열김형준여인환조범연송종욱주대봉
    • E04B1/94E04C5/00
    • E04C5/012B28B23/04E04C3/34E04C5/0604E04C5/073Y10T29/49632
    • PURPOSE: A fire resistance enhancing method for a high strength concrete structure is provided to effectively improve fire resistance efficiency by preventing a main reinforcement bar from buckling by using a support spacer and arranging lateral reinforcement through a wire rope. CONSTITUTION: A fire resistance enhancing method for a high strength concrete structure comprises the following steps: mixing a fiber cocktail which is hybridized through polypropylene fiber and steel fiber with high strength concrete; diagonally and separately installing support spacers between corner main reinforcement bars of a reinforced concrete structure; and winding and arranging a main reinforcement bar by a wire rope for fixing to the corner main reinforcement bar. The support spacer comprises a straightly shaped body part, a ring-shaped support part, and a turn buckle. [Reference numerals] (AA) Conceptual drawing of fiber mixing; (BB) Conceptual drawing of main reinforcement bar constraint by wire ropes; (CC) Technology not applied; (DD) Technology applied[Fiber mixing + Lateral constraint by wire ropes];
    • 目的:提供一种高强度混凝土结构的耐火性提高方法,通过使用支撑间隔物并通过钢丝绳布置横向加强件,防止主钢筋发生弯曲,从而有效地提高耐火性能。 构成:高强度混凝土结构的耐火性提高方法包括以下步骤:将通过聚丙烯纤维和钢纤维混合的纤维混合物与高强度混凝土混合; 在钢筋混凝土结构的角钢主筋之间对角和单独安装支撑垫片; 并通过钢丝绳卷绕和布置主钢筋以固定到角钢主筋。 支撑间隔件包括直的主体部分,环形支撑部分和转弯扣。 (附图标记)(AA)纤维混合的概念图; (BB)钢丝绳主钢筋约束的概念图; (CC)技术未应用; (DD)技术应用[纤维混合+钢丝绳横向约束];