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公开(公告)号：KR1020110067942A
公开(公告)日：2011-06-22
申请号：KR1020090124734
申请日：2009-12-15
Applicant: 한국건설기술연구원
IPC: E01D4/00 , E01D21/00 , E04C3/26 , E01D2/00 , E01D19/12 , E04C5/01 , E01D101/26 , E01D101/28
CPC classification number: E01D4/00 , E01D2/00 , E01D19/12 , E01D21/00 , E01D2101/268 , E01D2101/28 , E04C3/26 , E04C5/01
Abstract: PURPOSE: A construction method of an arch-shaped composite girder bridge of a continuous span is provided to reduce required materials by remarkably reducing the cross section of a composite girder. CONSTITUTION: A construction method of an arch-shaped composite girder bridge of a continuous span is as follows. Girder steel members(112) are manufactured in a construction field. Sheath pipes(122) are installed inside the girder steel members. The girder steel members are partially filled with concrete. The concrete is cured. Arch-shaped composite girders(110) are manufactured by installing tendons(160) in the cured concrete of the girder steel members. The composite girders are transferred from the construction field to a bridge construction position and is installed to be contiguous to an abutment(170) or a pier(172).
Abstract translation: 目的：提供连续跨度的拱形复合梁桥的施工方法，通过显着减少复合梁的横截面来减少所需材料。 构成：连续跨度的拱形复合梁桥的施工方法如下。 大梁钢构件（112）在施工现场制造。 护套管（122）安装在大梁钢构件内。 大梁钢构件部分充满混凝土。 混凝土固化。 拱形复合梁（110）通过在钢梁构件的固化混凝土中安装钢筋（160）来制造。 复合梁从施工现场转移到桥梁施工位置，并安装成与基台（170）或码头（172）邻接。
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公开(公告)号：KR101038714B1
公开(公告)日：2011-06-03
申请号：KR1020080133249
申请日：2008-12-24
Applicant: 한국건설기술연구원
IPC: E01D2/00 , E01D2/04 , E01D21/00 , E04C3/26 , E01D101/28
Abstract: 본 발명은 프리캐스트 슬래브와 복합거더를 전단 연결부를 통해서 연결하여 경제적이며 품질관리와 시공성이 우수하게 제작된 타이드 아치 형상의 복합거더 교량 및 그 시공방법에 관한 것이다.
본 발명은 외부강재의 내부에 거더 콘크리트가 충전되고, 현장에서 교대에 설치되는 다수의 복합거더; 상기 복합거더의 상부에 올려지는 다수의 프리캐스트 슬래브; 상기 복합거더상에서 철근과 콘크리트를 통하여 상기 복합거더와 프리캐스트 슬래브들을 서로 일체로 이어주는 전단 연결부; 및 상기 복합거더의 하부에 설치되어 긴장력을 제공하는 외부긴장재;를 포함하여 교량 현장에서 프리캐스트 슬래브들과 복합거더의 조립 연결이 이루어진다. 본 발명은 슬래브 콘크리트에 긴장재의 긴장응력이 전달되지 않게되어 프리캐스트 슬래브 자중에 의해 합성거더에 발생된 압축응력만큼의 긴장력을 충분히 도입할 수 있어서 합성거더 및 2차 긴장재의 효율성을 높일 수 있고, 프리캐스트 슬래브와 복합거더의 강결한 결합이 이루어질 수 있다.
프리캐스트 슬래브, 복합거더, 전단 연결부, 타이드 아치, 복합거더 교량-
公开(公告)号：KR100975294B1
公开(公告)日：2010-08-12
申请号：KR1020090125704
申请日：2009-12-16
Applicant: 한국건설기술연구원
CPC classification number: G01N3/18 , G01N3/60 , G01N2203/0017
Abstract: PURPOSE: A high temperature tensile strength test system and a high temperature tensile strength testing method using the same are provided to design a damage preventing structure and facility by detecting the deformation of materials due to fires. CONSTITUTION: A high temperature tensile strength test system comprises a high temperature tensile strength testing device(1), a control panel(300) and a central control part(200). The high temperature tension part(10) and elongation ratio measurement part(100) are included in the high temperature tensile strength testing device. The control panel controls the operating state of the high temperature tensile strength testing device. The central control equipment sends input signals to the control panel. The central control equipment analyzes the test result according to the tensile strength and elongation ratio. The high temperature tension part comprises a basic frame part, a tensile force application part and a heating part. The control panel comprises a high temperature condition part controller and an elongation ratio measurement part controller.
Abstract translation: 目的：提供高温拉伸强度试验系统和使用其的高温拉伸强度试验方法，通过检测由于火灾引起的材料变形来设计防损结构和设备。 构成：高温拉伸强度测试系统包括高温抗拉强度测试装置（1），控制面板（300）和中央控制部件（200）。 高温拉伸强度试验装置包括高温张力部（10）和伸长率测定部（100）。 控制面板控制高温拉伸强度试验装置的运行状态。 中央控制设备向控制面板发送输入信号。 中央控制设备根据拉伸强度和伸长率分析试验结果。 高温张力部分包括基本框架部分，张力施加部分和加热部分。 控制面板包括高温状态部分控制器和伸长率测量部分控制器。
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公开(公告)号：KR1020100074741A
公开(公告)日：2010-07-02
申请号：KR1020080133249
申请日：2008-12-24
Applicant: 한국건설기술연구원
IPC: E01D2/00 , E01D2/04 , E01D21/00 , E04C3/26 , E01D101/28
CPC classification number: E01D2/00 , E01D2/04 , E01D21/00 , E01D2101/28 , E04C3/26
Abstract: PURPOSE: A tied-arch type composite girder bridge using precast slabs and a construction method thereof are provided to cause tension as much as compression stress by blocking the transfer of tension stress to slab concrete. CONSTITUTION: A tied-arch type composite girder bridge using precast slabs comprises a composite girder(210), a precast slab(220), a shear connection part, and an external tensile member(260). The composite girder in which girder concrete is filled in an outer steel material is formed in a pier or bridge post in the field. The precast slab is formed on the top of the composite girder. The shear connection part integrates the precast slab into the composite girder with steel reinforcements and concrete and makes shear connection effect by forming a plurality of protruding studs on the upper flange of the outer steel material. The external tensile member is installed under the composite girder to provide tension.
Abstract translation: 目的：提供一种使用预制板的连拱拱形复合梁桥及其施工方法，通过阻止板坯混凝土的拉伸应力传递，引起张力与压缩应力一样多。 构造：使用预制板的连拱拱形复合梁桥包括复合梁（210），预制板（220），剪切连接部分和外部承拉构件（260）。 在现场的桥墩或桥墩上形成有将钢梁混凝土填充在外钢材料中的复合梁。 预制板形成在复合梁的顶部。 剪切连接部通过钢筋混凝土将预制板整合到复合梁中，通过在外钢材的上凸缘上形成多个突出的螺柱来实现剪切连接效果。 外部拉伸构件安装在复合梁下方以提供张力。
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Patent Agency Ranking
公开(公告)号：KR100511216B1
公开(公告)日：2005-08-30
申请号：KR1020050014878
申请日：2005-02-23
IPC: E01D2/00 , E01D2/04 , E01D101/28
Abstract: 본 발명은 아치형상으로 제작된 폐합단면의 외부강재와 그 내부에 중공부로 배제된 공간에 기둥부콘크리트 및 아치리브콘크리트가 채워지며, 거더 하단부 사이에 긴장재가 설치된 아치형 복합거더에 관한 것으로서, 낮은 형고에 장경간이 가능하고, 초기공사비뿐만 아니라 유지관리비용이 적어 생애주기비용 측면에서도 유리한 경제적이고, 재료적, 역학적 장점뿐만 아니라 외관이 수려하여 심미적으로도 유리한 아치형 복합거더에 관한 것이다.
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公开(公告)号：KR101569066B1
公开(公告)日：2015-11-16
申请号：KR1020130141103
申请日：2013-11-20
Applicant: 한국건설기술연구원
IPC: E01C11/22
Abstract: 양측판; 상기양 측판상단사이에형성된상판; 및상기상판을관통하도록형성된충전홀;을포함하는“∩”형태로프리캐스트부재로서, 프리캐스트슬래브의줄눈홈에상기양 측판의하단이삽입되어교축방향으로연결단부가서로접하도록세팅된상태에서, 교축방향으로연통된내측공간에충전홀을통해충전된콘크리트(C)에의하여구조적일체성을확보하도록하는프리캐스트연석모듈제작방법이개시된다.
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公开(公告)号：KR101522610B1
公开(公告)日：2015-05-27
申请号：KR1020130096498
申请日：2013-08-14
Applicant: 한국건설기술연구원 , 전북대학교산학협력단
IPC: E02D29/045
Abstract: 지중박스구조물의보강을위하여상부및 측면벽체에절곡된보강재를배치하고, 벽체를지지대로하여보강재에프리플렉션하중을도입하고벽체와보강재사이에간격재를설치하여고정시켜보강재의양단지점과중간간격재를통해작용하중에의한단면력에대응되는단면력이발생하도록하고보강재의강성을추가하여지중박스구조물의하중저항성능을향상시킬수 있는, 보강재의프리플렉션을이용하여콘크리트벽체와슬래브를보강하는지중박스구조물및 그보강방법이제공된다.
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公开(公告)号：KR1020140078000A
公开(公告)日：2014-06-25
申请号：KR1020120145264
申请日：2012-12-13
Applicant: 한국건설기술연구원
Abstract: Provided are a method and a system for establishing the maintenance strategy of an individual bridge and a bridge group in consideration of a life cycle. The method and the system provided by the present invention secure the safety and function of a bridge at a fixed level, reduce maintenance costs by reasonably estimating future maintenance costs through a preventative maintenance, estimate a reasonable and objective future maintenance demand according to the level of a bridge component (member), an individual bridge, and a bridge group, and support a decision making by connecting a function change model and a cost model which are developed based on the life cycle function and cost data of the bridge. The bridge management system which builds the maintenance strategy of an individual bridge and a bridge group in consideration of a life cycle includes: a basic information management unit; a function evaluation unit; a cost calculation unit; an individual bridge strategy generating unit; a bridge group strategy generating unit; a database (DB); and a user interface. The present invention is able to predict a maintenance demand and support a decision making by securing the life cycle performance and cost data of a bridge and performing an optimal maintenance strategy in consideration of the performance and costs of the life cycle of the bridge.
Abstract translation: 提供了考虑到生命周期来建立单个桥和桥组的维护策略的方法和系统。 本发明提供的方法和系统将桥梁的安全性和功能保证在固定的水平，通过预防性维护合理地估计未来的维护成本，降低维护成本，根据水平进行估计合理和客观的未来维护需求 桥梁组件（成员），单个桥梁和桥梁组，并且通过连接基于桥梁的生命周期功能和成本数据开发的功能变化模型和成本模型来支持决策。 考虑到生命周期构建个别桥梁和桥梁组的维护策略的桥梁管理系统包括：基本信息管理单元; 功能评估单元; 成本计算单元; 单个桥梁策略生成单元; 桥梁组战略生成单位; 数据库（DB）; 和用户界面。 本发明能够预测维护需求，并通过固定的生命周期的性能和桥梁的成本数据，并考虑到性能和桥的生命周期的费用进行的最优维护策略支持决策。
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50.发明授权전단블록이 상면에 형성된 피에스씨 거더와 그 제작방법 및 전단블록이 상면에 형성된 피에스씨 거더를 이용한 교량시공방법 有权PSC GIRDER WITH SHEAR BLOCK，PSC GIRDER MAKING METHOD WITH SHEAR BLOCK AND BRIDGE CONSTRUCTION METHOD USING PSC GIRDER WITH SHEAR BLOCK
公开(公告)号：KR101275754B1
公开(公告)日：2013-06-17
申请号：KR1020120093698
申请日：2012-08-27
Applicant: 한국건설기술연구원 , 주식회사 우성디앤씨
CPC classification number: E01D2/00 , E01D19/125 , E01D21/00 , E01D2101/28 , E04C3/26 , E04C5/16
Abstract: PURPOSE: A PSC(PreStressed Concrete) girder forming a shear block on the upper surface, a construction method thereof, and a bridge construction method using the PSC girder forming the shear block on the upper surface are provided to improve a shear composite effect by forming the shear block between shear forming bodies in order to concentrate stress to a part in which a shear force is largely generated. CONSTITUTION: A manufacturing method of a PSC girder(100) forming a shear block on the upper surface comprises as follows. A bottom plate lower longitudinal reinforcing bar(160) is installed on the upper part of a reinforcing bar assembly unit. The bottom plate lower longitudinal reinforcing bar is inserted into a horizontal hole of a shear forming body in order to be separated. The shear forming body is removed in order to complete the PSC girder, and a plurality of shear blocks(150) is separated and is formed on the upper part of an upper flange(110) in the PSC girder. A vertical shear connection reinforcing bar(180) is formed in the reinforcing bar assembly unit, and the reinforcing bar assembly unit penetrates a vertical hole of the shear forming body. [Reference numerals] (AA,CC) End; (BB) Center part
Abstract translation: 目的：提供在上表面形成剪切块的PSC（预应力混凝土）梁，其施工方法和使用在上表面形成剪切块的PSC大梁的桥梁施工方法，以通过成形来改善剪切复合效应 剪切形成体之间的剪切块，以便将应力集中到其中大量产生剪切力的部分。 构成：在上表面形成剪切块的PSC大梁（100）的制造方法如下。 底板下纵向钢筋（160）安装在钢筋组件单元的上部。 将底板下纵向钢筋插入剪切成形体的水平孔中以分离。 去除剪切成形体以完成PSC大梁，多个剪切块（150）被分离并形成在PSC大梁的上凸缘（110）的上部上。 在钢筋组合单元中形成有垂直剪切连接钢筋（180），并且钢筋组件单元穿过剪切成形体的垂直孔。 （附图标记）（AA，CC）结束; （BB）中心部分
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