KR100535723B1 - Measure apparatus for safety check-up of bridge - Google Patents

Measure apparatus for safety check-up of bridge Download PDF

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Publication number
KR100535723B1
KR100535723B1 KR10-2004-0071248A KR20040071248A KR100535723B1 KR 100535723 B1 KR100535723 B1 KR 100535723B1 KR 20040071248 A KR20040071248 A KR 20040071248A KR 100535723 B1 KR100535723 B1 KR 100535723B1
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KR
South Korea
Prior art keywords
bridge
vertical
foundation
circular
deformation
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KR10-2004-0071248A
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Korean (ko)
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KR20040082368A (en
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김길평
성수복
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(주)씨에스티개발
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Publication of KR20040082368A publication Critical patent/KR20040082368A/en
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/30—Measuring arrangements characterised by the use of mechanical techniques for measuring the deformation in a solid, e.g. mechanical strain gauge
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00—Measuring instruments characterised by the use of mechanical techniques
    • G01B3/22—Feeler-pin gauges, e.g. dial gauges
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M1/00—Testing static or dynamic balance of machines or structures
    • G01M1/14—Determining unbalance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B2210/00—Aspects not specifically covered by any group under G01B, e.g. of wheel alignment, caliper-like sensors
    • G01B2210/66—Rock or ground anchors having deformation measuring means

Abstract

본 발명은 교량 기초구조물의 안전진단용 계측시설에 관한 것으로서, 교량 구조물의 기초에 지반의 변형을 계측할 수 있도록 계측시설의 설치하여, 교량 상부하중에 의한 지반의 변형이나 지반자체의 변형을 계측시설을 통해 미연에 파악할 수 있도록 하여 교량 구조물의 안전을 확보할 수 있도록 하는 교량 기초구조물의 안전진단용 계측시설에 관한 것이다.The present invention relates to a measurement facility for the safety diagnosis of a bridge foundation structure, the installation of a measurement facility to measure the deformation of the ground on the foundation of the bridge structure, the measurement of the ground deformation or deformation of the ground itself due to the bridge upper load The present invention relates to a measurement system for the safety diagnosis of the foundation of a bridge structure to ensure the safety of the bridge structure by making it possible to grasp it in advance.

본 발명은, 교량 구조물 기초의 지중에 설치되어 구조물 하부의 지반변형을 계측할 수 있도록 설치되는 교량 기초구조물의 안전진단용 계측시설(300)에 있어서, 교량 기초구조물의 안전진단용 계측시설(300)은, 교각을 구성하는 기초콘크리트(100) 타설 전 상부 원형눈금판(312)과 수직눈금판(313)의 하부에 부착된 수직파이프(310)를 일체로 입설하여 기초콘크리트(100)를 타설하여 고정토록 하고, 상기 기초콘크리트(100) 타설 후 상부에 교각구조물(200)의 시공이 완료시 계측장치(320)를 수직파이프(310)에 내측에 입설하여 교량 하부 지반의 변형을 계측장치(320)에 설치된 수평눈금자(325) 및 수직눈금핀(326)을 이용하여 계측할 수 있도록 구성하는 한편, 상기 수직파이프(310)는, 하부 원형파이프(311)의 상부에 원형형태로 원형눈금판(312)을 형성하고 상기 원형눈금판(312)의 일측에는 수직눈금판(313)을 형성하며, 또한 상기 원형눈금판(312)의 양측에 체결홀(314)이 형성되어 셋트앙카(315)를 이용하여 기초콘크리트(100)의 상부에 원형눈금판(312)을 고정토록 하고, 상기 계측장치(320)는, 수직기둥(321)의 하부가 원뿔형 형태(322)로 형성되어 토사에 입설되고, 상부 체결구(323)가 체결볼트(324)로 수직기둥(321)에 체결되며, 상기 체결구(323)의 일측 전방에 수직눈금핀(326)이 형성되고 상기 수직눈금핀(326)의 하부에 수평눈금자(325)가 부착되어 교량 기초구조물의 수직 변형 발생시 계측장치(320)를 통해 파악할 수 있도록 구성하는 것을 특징으로 하는 교량 기초구조물의 안전진단용 계측시설을 제공한다.According to the present invention, in the measurement system 300 for the safety diagnosis of the bridge foundation structure installed in the ground of the bridge structure foundation to measure the ground deformation of the lower part of the structure, the measurement system 300 for the safety diagnosis of the bridge foundation structure Before placing the foundation concrete 100 constituting the piers, the vertical circular pipe 310 attached to the lower portion of the upper circular scale plate 312 and the vertical scale plate 313 is placed in one piece to pour the foundation concrete 100 to fix it. When the construction of the pier structure 200 is completed on the upper part after the foundation concrete 100 is placed, the measuring device 320 is placed inside the vertical pipe 310 to install deformation of the lower ground bridge in the measuring device 320. While configured to measure by using the horizontal ruler 325 and the vertical scale pin 326, the vertical pipe 310, the circular ruler plate 312 is formed in a circular shape on top of the lower circular pipe 311 And the circular scale A vertical scale plate 313 is formed at one side of the 312, and fastening holes 314 are formed at both sides of the circular scale plate 312, and a circular shape is formed on the upper portion of the foundation concrete 100 using the set anchor 315. To fix the scale plate 312, the measuring device 320, the lower portion of the vertical column 321 is formed in a conical shape 322 is installed in the earth and sand, the upper fastener 323 is fastening bolt 324 The vertical ruler 321 is fastened to a vertical column 321, and a vertical scale pin 326 is formed at one side of the fastener 323, and a horizontal ruler 325 is attached to the lower portion of the vertical scale pin 326. Provides a safety diagnostic measurement facility for the bridge foundation structure, characterized in that configured to be identified through the measuring device 320 when the vertical deformation occurs.

Description

교량 기초구조물의 안전진단용 계측시설{MEASURE APPARATUS FOR SAFETY CHECK-UP OF BRIDGE}MEASURE APPARATUS FOR SAFETY CHECK-UP OF BRIDGE}

본 발명은 교량 기초구조물의 안전진단용 계측시설에 관한 것으로서, 교량 구조물의 기초에 지반의 변형을 계측할 수 있도록 계측시설의 설치하여, 교량 상부하중에 의한 지반의 변형이나 지반자체의 변형을 계측시설을 통해 미연에 파악할 수 있도록 하여 교량 구조물의 안전을 확보할 수 있도록 하는 교량 기초구조물의 안전진단용 계측시설에 관한 것이다.The present invention relates to a measurement facility for the safety diagnosis of a bridge foundation structure, the installation of a measurement facility to measure the deformation of the ground on the foundation of the bridge structure, the measurement of the ground deformation or deformation of the ground itself due to the bridge upper load The present invention relates to a measurement system for the safety diagnosis of the foundation of a bridge structure to ensure the safety of the bridge structure by making it possible to grasp it in advance.

일반적으로 교량의 기초시설물인 교각시설은 도 1에서 보는 바와 같이 강관파일(10)과 기초콘크리트(20)와 교각기둥(30)으로 나뉘어 시공되고 있다.In general, the pier facilities, which are the basic facilities of the bridge, are constructed by dividing the steel pipe pile 10, the foundation concrete 20, and the piers 30 as shown in FIG.

그러나 교량상판의 하중에 의한 교각시설물의 변형을 측정할 만한 시설이 전혀 구비되어 있지 않아 지반에 변형이 발생시에는 교량의 안전에 큰 문제점이 발생될 수 있는 것이 지금의 실정이라고 볼 수 있다.However, since there is no facility to measure the deformation of the bridge facilities due to the load of the bridge deck, it can be seen that the present situation may cause a big problem in the safety of the bridge when deformation occurs in the ground.

본 발명은 상술한 문제점을 감안하여, 본 발명은, 교량상판의 과적하중에 의한 시설물의 침하나 지반자체의 변형이 발생시 교각구조물에 설치된 계측시설을 통해 교량의 안전을 미연에 점검할 수 있도록 하여 교량 구조물의 안전을 확보할 수 있도록 하는 것을 그 목적으로 한다. The present invention in view of the above problems, the present invention, it is possible to check the safety of the bridge in advance through the measurement facilities installed on the bridge structure when the settlement of the facility due to the overload of the bridge deck or deformation of the ground itself occurs Its purpose is to ensure the safety of bridge structures.

본 발명은 상술한 목적달성을 위해, 본 발명은, 교량 구조물 기초의 지중에 설치되어 구조물 하부의 지반변형을 계측할 수 있도록 설치되는 교량 기초구조물의 안전진단용 계측시설에 있어서, 교량 기초구조물의 안전진단용 계측시설은, 교각을 구성하는 기초콘크리트 타설 전 상부 원형눈금판과 수직눈금판의 하부에 부착된 수직파이프를 일체로 입설하여 기초콘크리트를 타설하여 고정토록 하고, 상기 기초콘크리트 타설 후 상부에 교각구조물의 시공이 완료시 계측장치를 수직파이프에 내측에 입설하여 교량 하부 지반의 변형을 계측장치에 설치된 수평눈금자 및 수직눈금핀을 이용하여 계측할 수 있도록 구성하는 한편, 상기 수직파이프는, 하부 원형파이프의 상부에 원형형태로 원형눈금판을 형성하고 상기 원형눈금판의 일측에는 수직눈금판을 형성하며, 또한 상기 원형눈금판의 양측에 체결홀이 형성되어 셋트앙카를 이용하여 기초콘크리트의 상부에 원형눈금판을 고정토록 하고, 상기 계측장치는, 수직기둥의 하부가 원뿔형 형태로 형성되어 토사에 입설되고, 상부 체결구가 체결볼트로 수직기둥에 체결되며, 상기 체결구의 일측 전방에 수직눈금핀이 형성되고 상기 수직눈금핀의 하부에 수평눈금자가 부착되어 교량 기초구조물의 수직 변형 발생시 계측장치를 통해 파악할 수 있도록 구성하는 것을 특징으로 하는 교량 기초구조물의 안전진단용 계측시설을 제공한다.The present invention, in order to achieve the above object, the present invention is installed in the ground of the bridge structure foundation in the measurement facility for the safety diagnosis of the bridge foundation structure installed to be able to measure the ground deformation of the lower part of the structure, the safety of the bridge foundation structure The diagnostic measuring facility installs the vertical concrete attached to the lower part of the upper vertical scale plate and the vertical scale plate before the foundation concrete constituting the pier integrally to pour the foundation concrete and fix it, and then to the upper part of the pier structure after the foundation concrete When the construction is completed, the measuring device is placed inside the vertical pipe so that the deformation of the lower ground of the bridge can be measured by using the horizontal ruler and the vertical graduation pin installed in the measuring device. A circular scale plate is formed in a circular shape on the upper side, and a vertical scale plate is formed at one side of the circular scale plate. Also, fastening holes are formed at both sides of the circular scale plate to fix the circular scale plate on the upper part of the foundation concrete using a set anchor, and the measuring device has a lower portion of the vertical pillar formed in a conical shape and is placed in the soil. The upper fastener is fastened to the vertical column by a fastening bolt, and a vertical scale pin is formed at one front of the fastener, and a horizontal ruler is attached to the lower portion of the vertical scale pin so that a vertical deformation of the bridge foundation structure occurs through a measuring device. It provides a measurement system for the safety diagnosis of the bridge foundation structure characterized in that it is configured to understand.

이하, 첨부 도면을 참조하여 본 발명의 구성을 설명한다.EMBODIMENT OF THE INVENTION Hereinafter, the structure of this invention is demonstrated with reference to an accompanying drawing.

도 2는 본 발명의 교량 기초구조물의 안전진단용 계측시설을 설치한 상태를 나타내는 단면도이다.2 is a cross-sectional view showing a state in which the measurement system for the safety diagnosis of the bridge foundation structure of the present invention is installed.

교량 구조물 기초의 지중에 설치되어 구조물 하부의 지반변형을 계측할 수 있도록 설치되는 교량 기초구조물의 안전진단용 계측시설(300)에 있어서,In the measurement facility 300 for the safety diagnosis of the bridge foundation structure installed in the ground of the bridge structure foundation to measure the ground deformation of the lower part of the structure,

상기 교량 기초구조물의 안전진단용 계측시설(300)은, 교각을 구성하는 기초콘크리트(100) 타설 전 상부 원형눈금판(312)과 수직눈금판(313)의 하부에 부착된 수직파이프(310)를 일체로 입설하여 기초콘크리트(100)를 타설하여 고정토록 하고, 상기 기초콘크리트(100) 타설 후 상부에 교각구조물(200)의 시공이 완료시 계측장치(320)를 수직파이프(310)에 내측에 입설하여 교량 하부 지반의 변형을 계측장치(320)에 설치된 수평눈금자(325) 및 수직눈금핀(326)을 이용하여 계측할 수 있도록 구성한다. 즉, 상기 계측시설(300)은 수직파이프(310)의 중앙에 계측장치(320)의 하부가 토사면에 입설되어 고정되는 한편, 상기 계측장치(320)는 수평눈금자(325)가 원형눈금판(312)과 일정거리 이격(예를들면 5cm정도)되도록 설치되어 기초콘크리트(100)의 수평방향 변위를 측정할 수 있게 되고, 상기 계측장치(320)는 계측장치(320)의 수직눈금핀(326)이 수직눈금판(313)의 눈금을 읽어 수직방향 변위를 측정할 수 있게 된다.The safety diagnosis measuring facility 300 of the bridge foundation structure integrally integrates an upper circular scale plate 312 and a vertical pipe 310 attached to a lower portion of the vertical scale plate 313 before placing the foundation concrete 100 constituting the bridge. When the foundation concrete 100 is placed and fixed, and the construction of the pier structure 200 is completed after the foundation concrete 100 is placed, the measuring device 320 is placed inside the vertical pipe 310 inside. It is configured to measure the deformation of the lower ground bridge using the horizontal ruler 325 and the vertical ruler pin 326 installed in the measuring device 320. That is, the measurement facility 300 is fixed to the bottom of the measuring device 320 in the center of the vertical pipe 310 is installed in the soil surface, while the measuring device 320 has a horizontal ruler 325 is a circular scale plate ( 312) is installed to be spaced apart from the predetermined distance (for example about 5cm) to measure the horizontal displacement of the foundation concrete 100, the measuring device 320 is a vertical graduation pin 326 of the measuring device 320 Read the scale of the vertical scale plate 313 to measure the vertical displacement.

도 3은 본 발명의 교량 기초구조물의 안전진단용 계측시설의 분해상태를 나타내는 도면으로서,3 is a view showing an exploded state of the measurement facility for the safety diagnosis of the bridge foundation structure of the present invention,

상기 교량 기초구조물의 안전진단용 계측시설(300)은, 수직파이프(310)와 계측장치(320)로 구성되며,The safety diagnosis measuring facility 300 of the bridge foundation structure is composed of a vertical pipe 310 and a measuring device 320,

상기 수직파이프(310)는, 하부 원형파이프(311)의 상부에 원형형태로 원형눈금판(312)을 형성하고 상기 원형눈금판(312)의 일측에는 수직눈금판(313)을 형성하며, 또한 상기 원형눈금판(312)의 양측에 체결홀(314)이 형성되어 셋트앙카(315)를 이용하여 기초콘크리트(100)의 상부에 원형눈금판(312)을 고정토록 하고,The vertical pipe 310, the circular circular plate 312 is formed in a circular shape on the upper portion of the lower circular pipe 311, the vertical scale plate 313 is formed on one side of the circular scale plate 312, the circular scale plate Fastening holes 314 are formed at both sides of the 312 so that the circular scale plate 312 is fixed to the upper portion of the foundation concrete 100 using the set anchor 315,

상기 계측장치(320)는, 수직기둥(321)의 하부가 원뿔형 형태(322)로 형성되어 토사에 입설되고, 상부 체결구(323)가 체결볼트(324)로 수직기둥(321)에 체결되며, 상기 체결구(323)의 일측 전방에 수직눈금핀(326)이 형성되고 상기 수직눈금핀(326)의 하부에 수평눈금자(325)가 부착되어 교량 기초구조물의 수직 변형 발생시 계측장치(320)를 통해 파악할 수 있도록 구성한다. 즉, 상기 수직파이프(310)는 기초콘크리트(100)가 타설되어 고정되고, 상기 계측장치(320)는 수직기둥(321)의 상부면에 형성되는 수평눈금자(325)와 수직눈금핀(326)에 의해 수직파이프(310)의 수직 침하상태를 측정할 수 있도록 구성된다.The measuring device 320, the lower portion of the vertical column 321 is formed in a conical shape 322 is entered in the earth and sand, the upper fastener 323 is fastened to the vertical column 321 by the fastening bolt 324. A vertical ruler pin 326 is formed at one front of the fastener 323, and a horizontal ruler 325 is attached to the lower portion of the vertical ruler pin 326 so that a vertical deformation of the bridge foundation structure occurs. Configure it so that it can be identified through. That is, the vertical pipe 310 is fixed by placing the foundation concrete 100, the measuring device 320 is a horizontal ruler 325 and a vertical scale pin 326 formed on the upper surface of the vertical column 321 It is configured to be able to measure the vertical settlement state of the vertical pipe 310 by.

상술한 구성에서 알 수 있는 바와 같이, 상기 교량 기초구조물의 안전진단용 계측시설은, 교량상판의 하중에 의한 구조물의 침하나, 지반 자체의 변형을 교각구조물의 기초에 설치된 계측시설을 통해 변위를 미연에 파악하도록 하여 구조물의 안전을 확보할 수 있도록 구성한다.As can be seen from the above-described configuration, the measuring device for the safety diagnosis of the bridge foundation structure does not allow displacement of the structure by the load of the bridge deck or the deformation of the ground itself through the measurement facility installed at the foundation of the bridge structure. It should be configured to ensure the safety of the structure.

상술한 본 발명의 구성에 의한 효과를 설명한다.The effect by the structure of this invention mentioned above is demonstrated.

상기 교량 기초구조물의 안전진단용 계측시설은, 교량 상부하중에 의한 지반의 변형이나 지반자체의 변형을 계측시설을 통해 미연에 파악할 수 있도록 하여 교량 구조물의 안전을 확보할 수 있도록 하는 효과를 갖도록 한다.The measurement facility for the safety diagnosis of the foundation structure of the bridge, so that the deformation of the ground due to the upper load of the bridge or the deformation of the ground itself can be grasped in advance through the measurement facility to ensure the safety of the bridge structure.

도 1은 일반적인 교량의 기초를 설치한 상태를 나타내는 단면도.1 is a cross-sectional view showing a state in which the foundation of a general bridge is installed.

도 2는 본 발명의 교량 기초구조물의 안전진단용 계측시설을 설치한 상태를 나타내는 단면도.2 is a cross-sectional view showing a state in which the measurement facility for the safety diagnosis of the bridge foundation structure of the present invention is installed.

도 3은 본 발명의 교량 기초구조물의 안전진단용 계측시설의 분해상태를 나타내는 도면.3 is a view showing an exploded state of the measurement facility for the safety diagnosis of the bridge foundation structure of the present invention.

< 도면의 주요부분에 대한 부호의 설명 ><Description of Symbols for Major Parts of Drawings>

100: 기초콘크리트 200: 교각구조물100: foundation concrete 200: bridge structure

300: 계측시설 310: 수직파이프300: measuring facility 310: vertical pipe

311: 원형파이프 312: 원형눈금판311: round pipe 312: round scale plate

313: 수직눈금판 314: 체결홀313: vertical scale plate 314: fastening hole

315: 셋트앙카 320: 계측장치315: set anchor 320: measuring device

321: 수직기둥 322: 원뿔형 형태321: vertical column 322: conical shape

323: 체결구 324: 체결볼트323: fastener 324: fastening bolt

325: 수평눈금자 326: 수직눈금핀325: horizontal ruler 326: vertical scale pin

Claims (1)

교량 구조물 기초의 지중에 설치되어 구조물 하부의 지반변형을 계측할 수 있도록 설치되는 교량 기초구조물의 안전진단용 계측시설(300)에 있어서,In the measurement facility 300 for the safety diagnosis of the bridge foundation structure installed in the ground of the bridge structure foundation to measure the ground deformation of the lower part of the structure, 교량 기초구조물의 안전진단용 계측시설(300)은, 교각을 구성하는 기초콘크리트(100) 타설 전 상부 원형눈금판(312)과 수직눈금판(313)의 하부에 부착된 수직파이프(310)를 일체로 입설하여 기초콘크리트(100)를 타설하여 고정토록 하고, 상기 기초콘크리트(100) 타설 후 상부에 교각구조물(200)의 시공이 완료시 계측장치(320)를 수직파이프(310)에 내측에 입설하여 교량 하부 지반의 변형을 계측장치(320)에 설치된 수평눈금자(325) 및 수직눈금핀(326)을 이용하여 계측할 수 있도록 구성하는 한편,The measurement facility 300 for the safety diagnosis of the bridge foundation structure integrally installs the upper circular scale plate 312 and the vertical pipe 310 attached to the lower portion of the vertical scale plate 313 before placing the foundation concrete 100 constituting the bridge. When the foundation concrete 100 is poured to be fixed, and the construction of the bridge structure 200 on the top after the foundation concrete 100 is completed, the measuring device 320 is placed inside the vertical pipe 310 to bridge the bridge. While it is configured to measure the deformation of the lower ground using the horizontal ruler 325 and the vertical scale pin 326 installed in the measuring device 320, 상기 수직파이프(310)는, 하부 원형파이프(311)의 상부에 원형형태로 원형눈금판(312)을 형성하고 상기 원형눈금판(312)의 일측에는 수직눈금판(313)을 형성하며, 또한 상기 원형눈금판(312)의 양측에 체결홀(314)이 형성되어 셋트앙카(315)를 이용하여 기초콘크리트(100)의 상부에 원형눈금판(312)을 고정토록 하고,The vertical pipe 310, the circular circular plate 312 is formed in a circular shape on the upper portion of the lower circular pipe 311, the vertical scale plate 313 is formed on one side of the circular scale plate 312, the circular scale plate Fastening holes 314 are formed at both sides of the 312 so that the circular scale plate 312 is fixed to the upper portion of the foundation concrete 100 using the set anchor 315, 상기 계측장치(320)는, 수직기둥(321)의 하부가 원뿔형 형태(322)로 형성되어 토사에 입설되고, 상부 체결구(323)가 체결볼트(324)로 수직기둥(321)에 체결되며, 상기 체결구(323)의 일측 전방에 수직눈금핀(326)이 형성되고 상기 수직눈금핀(326)의 하부에 수평눈금자(325)가 부착되어 교량 기초구조물의 수직 변형 발생시 계측장치(320)를 통해 파악할 수 있도록 구성하는 것을 특징으로 하는 교량 기초구조물의 안전진단용 계측시설.The measuring device 320, the lower portion of the vertical column 321 is formed in a conical shape 322 is entered in the earth and sand, the upper fastener 323 is fastened to the vertical column 321 by the fastening bolt 324. A vertical ruler pin 326 is formed at one front of the fastener 323, and a horizontal ruler 325 is attached to the lower portion of the vertical ruler pin 326 so that a vertical deformation of the bridge foundation structure occurs. Measurement facility for the safety diagnosis of the bridge foundation structure, characterized in that configured to be identified through.
KR10-2004-0071248A 2004-09-07 2004-09-07 Measure apparatus for safety check-up of bridge KR100535723B1 (en)

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KR100777352B1 (en) 2007-04-04 2007-11-19 주식회사 진화기술공사 Safety inspection device using cylindrical object for pile of bridge

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KR100723012B1 (en) * 2006-11-18 2007-05-30 (주) 장맥엔지니어링 Measure apparatus for safety diagnosis of construction
KR100791255B1 (en) * 2007-08-28 2008-01-03 (주)다음기술단 Safety diagnosis method for substructure of bridge

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JPS552112A (en) * 1978-06-19 1980-01-09 Tokyu Constr Co Ltd Measurement of perpendicular displacement and twist angle of pipe forced into ground
JPS6021416A (en) * 1983-07-15 1985-02-02 Nippon Telegr & Teleph Corp <Ntt> Displacement measuring device in ground
KR100267030B1 (en) * 1998-05-22 2001-01-15 정광우 Apparatus for determining tilt of building and bridge
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JPS552112A (en) * 1978-06-19 1980-01-09 Tokyu Constr Co Ltd Measurement of perpendicular displacement and twist angle of pipe forced into ground
JPS6021416A (en) * 1983-07-15 1985-02-02 Nippon Telegr & Teleph Corp <Ntt> Displacement measuring device in ground
KR100267030B1 (en) * 1998-05-22 2001-01-15 정광우 Apparatus for determining tilt of building and bridge
KR20040052640A (en) * 2004-04-21 2004-06-23 김길평 A safety diagnosis institution of pier for bridge

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100777352B1 (en) 2007-04-04 2007-11-19 주식회사 진화기술공사 Safety inspection device using cylindrical object for pile of bridge

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