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    • 1. 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。
    • 3. 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。
    • 4. 发明公开
    • 스틸 아이형 거더와 철근콘크리트와 피.씨. 긴장재를일체로 합성한 장경간 슬래브교의 설계 및 가설방법
    • 用于钢IIGGER,钢筋混凝土和P.C.组合的长跨度复合板桥的设计和临时构造方法 肌腱
    • KR1020020085039A
    • 2002-11-16
    • KR1020010024264
    • 2001-05-04
    • 동양종합건업 주식회사동양씨이앤지 주식회사
    • 권오근윤숙현
    • E01D19/12
    • PURPOSE: A design and temporary construction method for a long-span composite slab bridge composed of a steel I-girder, reinforced concrete and a P.C. tendon is provided to reduce the deflection of a composite slab structure and to increase structural stiffness. CONSTITUTION: The design and temporary construction method for a long-span composite slab bridge(5) composed of a steel I-girder, reinforced concrete and a P.C. tendon comprises the steps of installing steel I-girders(6) regularly on a bridge bearing of an abutment or a pier, arranging P.C. tendons(8) together with reinforcing bars on each section(9) between I-girders(6), placing and curing concrete(7) to unify the I-girder(6) and the concrete(7) in a section of the slab bridge(5), tensioning and anchoring the pre-arranged P.C. tendons(8) on both sides of each concrete structure in each section(9) between I-girders and inducing prestress compressive stress to each concrete structure successively to compound the steel I-girder(6), reinforced concrete(7) and the P.C. tendon(8) in one united structure.
    • 目的:一种由钢I型钢筋,钢筋混凝土和P.C.组成的长跨度复合板桥的设计和临时施工方法。 提供腱以减少复合板坯结构的挠曲并增加结构刚度。 构造:由钢I型钢筋,钢筋混凝土和P.C.组成的长跨度复合板桥(5)的设计和临时施工方法。 腱包括如下步骤:在桥墩或码头的桥梁轴承上定期安装钢制桁材(6),并安装P.C. 钢筋(8)与I型梁(6)之间的每个部分(9)上的钢筋以及将混凝土(7)放置和固化以将I型梁(6)和混凝土(7)组合在板坯的一部分中 桥(5),张紧和锚定预先安排的PC 在每个混凝土结构的两侧,每个混凝土结构两侧的筋(8)在I型梁之间,并对每个混凝土结构产生预应力压缩应力,以连续地复合钢I梁(6),钢筋混凝土(7)和P.C. 腱(8)为一体。
    • 6. 发明公开
    • 단독교좌장치를 사용한 다경간 연속 프리플렉스 합성형교또는 리프리스트레스트 프리플렉스 합성형교의 가설방법
    • 多跨连续复合复合桥或再预制复合复合桥的修正方法
    • KR1020030075455A
    • 2003-09-26
    • KR1020020014693
    • 2002-03-19
    • 동양종합건업 주식회사동양씨이앤지 주식회사
    • 권오근김원근윤숙현이무일
    • E01D2/02
    • PURPOSE: An erection method of a multi-span continuous preflex composite bridge of a re-prestressed preflex composite bridge is provided to exactly transmit reaction of upper live load to the center of a pier and improve the appearance of the lower part of the bridge. CONSTITUTION: A preflex composite beam(1) or a re-prestressed preflex composite beam formed by composition of a steel I-shaped girder(2) and reinforced concrete(3) or steel strand for prestressed concrete is each manufactured on the ground. Each beam is independently erected on each span of the multi-span bridge as a simple beam structure and mechanism subsystem. The steel I-shaped girder of each span beam is combined completely continuously to change the simple beam structure and mechanism subsystem into a continuous structure and mechanism subsystem. One bridge seat apparatus(6) is installed to each continuous combining portion of each span beam.
    • 目的:提供一种预应力预复合复合桥多跨距连续预应力复合桥梁的安装方法,将上活载荷的反作用准确地传递到码头中心,改善了桥下部的外观。 构成:在地面上制造预制复合梁(1)或由钢I形梁(2)和钢筋混凝土(3)组成的预应力预应力复合梁或用于预应力混凝土的钢绞线。 每个梁独立地竖立在多跨桥梁的每个跨距上,作为一个简单的梁结构和机构子系统。 每个跨梁的钢I型梁完全连续组合,将简单的梁结构和机构子系统改为连续的结构和机构子系统。 一个桥座装置(6)安装到每个跨距梁的每个连续组合部分。
    • 10. 发明授权
    • 다경간 프리플렉스 합성형교 및 리프리스트레스트 프리플렉스 합성형교의 슬라브콘크리트 연속결합방법.
    • 连接多跨预复合复合桥梁和预应力复合桥梁连续板混凝土的连接方法。
    • KR100345978B1
    • 2002-08-01
    • KR1019990034276
    • 1999-08-19
    • 동양종합건업 주식회사동양씨이앤지 주식회사
    • 권오근
    • E01D2/02
    • 스틸 I형거더와철근콘크리트또는이와함께피.씨강연선또는피.씨강봉을결합한단순보구조인프리플렉스빔이나, 리프리스트레스트프리플렉스빔을 2경간이상의다경간교량의각 교대위에독립적으로가설한후, 상부슬라브콘크리트를각 경간이연속되도록타설함에있어서, 종래에는단순보구조계를시공중에각경간이연속되도록하는연속보구조계로의변경에따라각 연속결합지점에서는연속보구조계로의변경이후의하중에대하여부모멘트가작용하므로상부슬래브콘크리트에는인장응력이발생된다. 이럴경우일반적으로연속결합지점의상부슬래브콘크리트는인장응력에충분히저항하지못하는구조로서콘크리트의균열이심하게발생되어점차파손되는구조적인취약부가된다. 이에본 발명은예시도면도 3 내지도 6 에서와같이, 상부슬라브콘크리트(3)를타설하기전(연속보구조계로의변경이전)에연속결합지점에서인접하는각 쌍단순보빔의스틸 I형거더(1)의상부플랜지(8)에지지된정착부에의존하여피.씨강연선또는피.씨강봉(9)을미리배치하여초기응력을조절한후, 상부슬라브콘크리트(3)를각 경간이연속되도록타설하므로서, 연속결합지점의부모멘트에의한인장응력은모두피.씨강연선또는피.씨강봉(9)이부담하게하여연속결합지점의상부슬라브콘크리트(3)에는과도한인장응력과그로인한균열이전혀발생되지않도록하거나허용균열범위이내로억제할수 있는다경간프리플랙스합성형교및 리프리스트레스트프리플렉스합성형교의슬라브콘크리트연속결합방법을제공하고있다.