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    • 2. 发明专利
    • Thrust construction method
    • 施工方法
    • JP2005163410A
    • 2005-06-23
    • JP2003404510
    • 2003-12-03
    • Ohbayashi CorpPs Mitsubishi Construction Co LtdPublic Works Research Institute株式会社ピーエス三菱株式会社大林組独立行政法人土木研究所
    • OSHITA TAKESHIWATANABE HIROYOSHIINA YOSHINAO
    • E01D21/00E01D1/00E01D2/04E01D101/24
    • PROBLEM TO BE SOLVED: To provide a technique of a thrust construction method for constructing a bridge in a shorter construction period without exerting an influence on a circumferential environment, such as traffic restriction, traffic jam, and noises.
      SOLUTION: According to the thrust construction method, main girders are formed of precast concrete segments 21. Specifically the precast concrete segments 21 are connected to a tail end of an antecedent bridge girder 20a on a thrust work floor 10, and a predetermined number of precast concrete segments 21 to be thrust together in one body are connected together, followed by temporarily fixing the segments together at every several blocks by means of temporary prestressing steels. When the segments that are thrust together in one body are connected together to form a subsequent bridge girder 20b, prestress is introduced to the segments by continuous steels, and the subsequent bridge girder is advanced together with the antecedent bridge girder 20a in one body.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种在较短施工期内构建桥梁的推力施工方法的技术,而不会对诸如交通限制,交通堵塞和噪声的周向环境产生影响。 解决方案:根据推力施工方法,主梁由预制混凝土段21形成。具体来说,预制混凝土段21连接到推力工作台10上的前桥梁梁20a的尾端,预定混凝土段 将一体推动在一起的预制混凝土节段21的数量连接在一起,然后通过临时预应力钢每隔几个块将节段临时固定在一起。 当将一体推动在一起的节段连接在一起以形成后续的桥梁20b时,预应力由连续钢引入段,随后的桥梁与先前的桥梁20a一起前进。 版权所有(C)2005,JPO&NCIPI