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    • 4. 发明公开
    • 연결판에 의하여 연속화된 프리스트레스트 콘크리트 빔교량 및 그 단부의 연속화 공법
    • 预制混凝土梁桥和连续式连续方法
    • KR1020030091339A
    • 2003-12-03
    • KR1020020029268
    • 2002-05-27
    • 동양종합건업 주식회사
    • 권오근신현기김원근윤숙현이무일
    • E01D19/12
    • PURPOSE: A prestressed concrete beam bridge continued by a gusset plate is provided to keep the continuation of a PCS beam bridge firmly and to improve safety on installation for a bridge. CONSTITUTION: The prestressed concrete beam bridge continued by a gusset plate comprises the steps of: forming many anchor holes(12) on the upper or lower side of both prestressed concrete beam(1) to be retreated; interposing many anchor members(21,31) attached to gusset plates(20,30) made of metallic materials to the anchor holes(12); coupling the gusset plates(20,30) to the end of the prestressed concrete beam(1) by placing filler(14) to the anchor holes(12), then hardening to fix the anchor members(21,31) to the anchor holes(12) firmly while the anchor members(21,31) are interposed to the anchor holes(12); and placing concrete(16) between both prestressed concrete beam(1) to connect both prestressed concrete beams(1) in one to be continued.
    • 目的:通过角撑板连续延伸的预应力混凝土梁桥可以牢固地保持PCS梁桥的延续,并提高桥梁的安装安全性。 构成:通过角撑板连续的预应力混凝土梁桥包括以下步骤:在要退回的预应力混凝土梁(1)的上侧或下侧形成许多锚孔(12); 将许多锚固构件(21,31)附接到由金属材料制成的角撑板(20,30)到锚定孔(12); 通过将填料(14)放置到锚定孔(12)中将角撑板(20,30)连接到预应力混凝土梁(1)的端部,然后硬化以将锚定构件(21,31)固定到锚定孔 (12)牢固地锚定构件(21,31)插入到锚定孔(12)中; 并将混凝土(16)放在两个预应力混凝土梁(1)之间,以将两个预应力混凝土梁(1)连接在一起。
    • 5. 发明公开
    • 다경간 연속 피.에스.씨.- 아이빔 합성형교의 시공방법 및구조
    • 连续复合型桥梁构造连续多预应力混凝土跨距的工艺
    • KR1020030068928A
    • 2003-08-25
    • KR1020020008656
    • 2002-02-19
    • 동양종합건업 주식회사동양씨이앤지 주식회사
    • 권오근김원근윤숙현이무일
    • E01D2/02
    • PURPOSE: A process of constructing an I-beam complex-type bridge forming a continuous multiple pre-stressed concrete span is provided to prevent cracks or tensile stress at slab concrete of a bridge. CONSTITUTION: The process of constructing an I-beam complex-type bridge forming a continuous multiple pre-stressed concrete span is composed of: installing upper steel wires(5) for pre-cast concrete beam parallel to the lengthwise direction of a bridge, then stressing the wires and introducing compressive stress to the slab concrete(2); stressing middle steel wires(5) for the pre-cast concrete beam; drawing the one end of the middle steel wire placed in an outer span beam over the beam for the first and the last span, also drawing the other end over the side; middle steel wires(5) are embedded into concrete together with attaching plate at least at one beam and supported by a tension plate.
    • 目的:提供一种形成连续多预应力混凝土跨度的工字梁复合型桥梁的过程,以防止桥梁板块混凝土的裂缝或拉应力。 构成:形成连续多预应力混凝土跨度的工字钢复合型桥梁的过程包括:将预制混凝土梁的平行于桥梁长度方向的上钢丝(5)安装, 强化电线并将压应力引入板坯混凝土(2); 强化预制混凝土梁的中间钢丝(5); 将中间钢丝绳的一端拉伸在梁上的外跨梁中,用于第一和最后跨度,并将另一端拉伸到另一端; 中间钢丝(5)嵌入混凝土中,连接板至少在一根梁上并由张紧板支撑。
    • 10. 发明公开
    • 균일단면의 스틸 아이 형 거더에 의한 분할 인장식 리프리스트레스트 프리플렉스 합성형교의 시공방법
    • 钢筋断裂预应力钢筋混凝土复合桥梁施工方法
    • KR1020030077116A
    • 2003-10-01
    • KR1020020016051
    • 2002-03-25
    • 동양종합건업 주식회사동양씨이앤지 주식회사
    • 권오근김원근윤숙현이무일
    • E01D2/02
    • PURPOSE: A construction method for a split extension type re-prestressed preflex composite bridge by a steel I-girder of a uniform section is provided to extend the life of a structure stably by improving fatigue resistance of a bridge structure. CONSTITUTION: The construction method for a split extension type re-prestressed preflex composite bridge by a steel I-girder of a uniform section comprises the steps of manufacturing an upper flange(7a) and a lower flange(7c) of a steel I-girder(7), which is a frame of a preflex composite beam or a re-preflex composite beam(10) composed of a steel I-girder(7), reinforced concrete(4) and a PC strand(5), along the whole length of a beam(10) with a sheet of a steel plate, then spitting into three parts, and joining a joint of each part with each joint plate(700a,700b,700c) mechanically using bolts(9) without welding not to cause residual stress caused by welding. As for compounding the steel I-girder(7), the lower flange concrete(4) and the PC strand(5), the intermediate of the PC strand(5) is located in the section of the lower flange concrete(4) partially and both ends of the PC strand(5) pass through the section of web concrete to be tensioned/anchored after placing a slab and web concrete.
    • 目的:提供一种通过均匀截面的钢I型梁的分体延伸型预应力预应力复合桥的施工方法,通过提高桥结构的耐疲劳性,可以稳定地延长结构的使用寿命。 构成:通过均匀截面的钢I型梁的分裂延伸型预应力预应力复合桥的施工方法包括制造钢I型梁的上凸缘(7a)和下凸缘(7c)的步骤 (7),其是由钢I型梁(7),钢筋混凝土(4)和PC绞线(5)组成的预制复合梁或重复预制复合梁(10)的框架,整体上 将梁(10)的长度与钢板一起分散,然后吐出三部分,并且在不焊接的情况下使用螺栓(9)机械地将各部分的接头与每个接合板(700a,700b,700c)接合而不引起 焊接造成的残余应力。 对于复合钢I型梁(7),下法兰混凝土(4)和PC股(5),PC股(5)的中间部分位于下法兰混凝土(4)的部分部分 并且PC绞线(5)的两端穿过网状混凝土的部分,在放置板坯和腹板混凝土之后进行张紧/锚固。