KR100244072B1 - Crack width monitoring ruller - Google Patents

Crack width monitoring ruller Download PDF

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Publication number
KR100244072B1
KR100244072B1 KR1019970077200A KR19970077200A KR100244072B1 KR 100244072 B1 KR100244072 B1 KR 100244072B1 KR 1019970077200 A KR1019970077200 A KR 1019970077200A KR 19970077200 A KR19970077200 A KR 19970077200A KR 100244072 B1 KR100244072 B1 KR 100244072B1
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South Korea
Prior art keywords
crack
width
fixing
fixing member
crack width
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KR1019970077200A
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Korean (ko)
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KR19990057154A (en
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김형우
한자경
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이계철
한국전기통신공사
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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
    • G01B3/00—Measuring instruments characterised by the use of mechanical techniques
    • G01B3/002—Details
    • G01B3/004—Scales; Graduations
    • G01B3/006—Scales; Graduations having both coarse and fine graduation
    • 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
    • G01B3/02—Rulers with scales or marks for direct reading
    • G01B3/04—Rulers with scales or marks for direct reading rigid
    • 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
    • G01B3/24—Feeler-pin gauges, e.g. dial gauges with open yoke, i.e. calipers
    • 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
    • G01B3/38—Gauges with an open yoke and opposed faces, i.e. calipers, in which the internal distance between the faces is fixed, although it may be preadjustable
    • 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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Working Measures On Existing Buildindgs (AREA)

Abstract

1. 청구범위에 기재된 발명이 속한 기술분야1. TECHNICAL FIELD OF THE INVENTION

건축물의 안전점검용 균열폭 감시자Crack width monitor for safety check of building

2. 발명이 해결하려고 하는 기술적 요지2. The technical gist of the invention

본 발명은 지하통신구의 어둡고 습한 환경에서도 균열위치, 균열폭 및 균열의 진전여부를 안전점검자가 손쉽게 측정 및 감시하는 건축물의 안전점검용 균열폭 감시자를 제공하는데 그 목적이 있다.It is an object of the present invention to provide a crack width monitor for safety inspection of a building that the safety inspector easily measures and monitors crack position, crack width, and crack propagation even in a dark and wet environment of an underground communication zone.

3. 발명의 해결방법의 요지3. Summary of Solution to Invention

본 발명은 일측부 중앙에 오목홈이 형성되되, 상기 오목홈을 이루는 일측 돌기부에 균열폭을 측정하도록 서로 다른 선폭을 가지는 다수의 선분 필름막이 구비되며, 타측부는 상기 균열이 발생한 일측 지점에 고정되는 제1고정부가 구비된 제1본체; 및 일측에 제1본체의 오목부와 중첩되는 돌출부가 구비되고, 타측에 상기 균열이 발생한 타측 지점에 고정되는 제2고정부가 구비된 제2본체를 포함하는 건축물의 안전점검용 균열폭 감시자를 제공한다.The present invention is a recessed groove is formed in the center of one side portion, a plurality of line segment film film having a different line width is provided to measure the crack width in one of the protrusions forming the concave groove, the other side is fixed to one side point where the crack occurred A first body provided with a first fixing part; And a protruding portion overlapping with the concave portion of the first body on one side, and a second main body provided with a second fixing portion fixed to the other side where the crack occurs on the other side. .

4. 발명의 중요한 용도4. Important uses of the invention

본 발명은 콘크리트 구조물의 안전점검에 이용되는 것임.The present invention is used for the safety check of the concrete structure.

Description

건축물의 안전점검용 균열폭 감시자Crack width monitor for safety check of building

본 발명은 토목 또는 건축구조물(예를 들면, 철근콘크리트 구조물)의 균열을 측정하는 건축물의 안전점검용 균열폭 감시자에 관한 것으로, 특히 콘크리트 구조물에 발생한 균열의 위치를 용이하게 판별하고, 균열의 폭 및 그의 진전여부를 감시하는 건축물의 안전점검용 균열폭 감시자에 관한 것이다.The present invention relates to a crack width monitor for safety inspection of buildings for measuring cracks in civil engineering or building structures (for example, reinforced concrete structures). The present invention relates to a crack width monitor for safety inspection of a building that monitors his progress.

철근콘크리트 구조물은 시간이 경과함에 따라 여러 가지 손상이 발생하는데, 그 중에서도 콘크리트 표면에 금이 가는 현상, 즉 균열이 발생하는 경우가 종종 있다. 지하에 건설된 통신구의 경우도 정기점검 및 정밀점검을 실시하여 균열의 위치 및 균열폭을 측정하고 있다. 하지만, 균열의 발생원인은 콘크리트의 건조수축, 부동침하, 설계와 시공오차 및 과다한 작용하중 등 매우 다양하므로, 콘크리트 표면에 발생한 균열이 계속적으로 진전되는 균열인지 아니면 콘크리트 표면에서만 발생한 사소한 균열인지의 여부를 체크할 필요가 있다. 따라서, 종래에는 균열폭의 시간경과에 따른 진전여부를 알아보기 위해 압핀을 균열이 발생한 양쪽면에 부착하고 버어니어캘리퍼스로 측정하고 있다.Reinforced concrete structures undergo various damages over time, especially cracking, ie cracking, on the concrete surface. In the case of telecommunication facilities constructed underground, regular inspections and precise inspections are carried out to measure the location and crack width of cracks. However, the causes of the cracks vary widely, such as dry shrinkage of the concrete, floating settlement, design and construction errors, and excessive working loads. You need to check Therefore, in order to find out whether the crack width has evolved over time, the push pin is attached to both sides of the crack and measured with a vernier caliper.

그러나, 상기한 종래의 균열폭 측정방법은, 압핀이 약해 측정시 핀이 제자리에서 이탈하거나 부식이 될 가능성이 있을 뿐만아니라, 어두운 지하통신구의 경우 각별한 관심을 갖고 있지 않으면 균열의 위치를 찾기 어려운 문제점이 있었다.However, the conventional crack width measuring method has a problem that it is difficult to find the location of the cracks in the case of dark underground communication equipments, as well as the pins are weak, which may cause the pins to come out of position or become corroded. there was.

따라서, 본 발명은 상기한 문제점을 해결하기 위하여 안출된 것으로서, 지하통신구의 어둡고 습한 환경에서도 균열위치, 균열폭 및 그의 진전여부를 안전점검자가 손쉽게 측정 및 감시할 수 있는 건축물의 안전점검용 균열폭 감시자를 제공하는데 그 목적이 있다.Therefore, the present invention has been made to solve the above problems, the crack width monitor for safety inspection of buildings that can easily measure and monitor the crack location, crack width and its progress even in the dark and wet environment of the underground communication zone. The purpose is to provide.

도1은 본 발명에 따른 건축물의 안전점검용 균열폭 감시자의 일실시예 구성을 나타낸 평면도.1 is a plan view showing an embodiment configuration of a crack width monitor for safety check of a building according to the present invention.

도2는 도1의 정면도.2 is a front view of FIG. 1;

도3a 및 도3b는 본 발명의 균열폭 감시자의 사용 상태를 나타낸 평면도 및 정면도.3A and 3B are a plan view and a front view showing a state of use of the crack width monitor of the present invention.

*도면의 주요 부분에 대한 부호의 설명* Explanation of symbols for the main parts of the drawings

10 : 제1고정부재 10a,20a : 측정블록10: first fixing member 10a, 20a: measuring block

11 : 제1돌기부 12 : 제2돌기부11: first projection 12: second projection

13,22 : 고정부 14 : 필름막13,22: fixing portion 14: film film

15 : 기록판 16,23 : 간이눈금자15: recording board 16, 23: simple ruler

20 : 제2고정부재 21 : 돌출부20: second fixing member 21: protrusion

상기 목적을 달성하기 위하여 본 발명은, 일측부 중앙에 오목홈이 형성되되, 상기 오목홈을 이루는 일측 돌기부에 균열폭을 측정하도록 서로 다른 선폭을 가지는 다수의 선분 필름막이 구비되며, 타측부는 상기 균열이 발생한 일측 지점에 고정되는 제1고정부가 구비된 제1본체; 및 일측에 제1본체의 오목부와 중첩되는 돌출부가 구비되고, 타측에 상기 균열이 발생한 타측 지점에 고정되는 제2고정부가 구비된 제2본체를 포함하는 건축물의 안전점검용 균열폭 감시자를 제공한다.In order to achieve the above object, the present invention, a concave groove is formed in the center of one side portion, a plurality of line segment film film having different line widths are provided to measure the crack width on one side of the protrusion forming the concave groove, the other side is the crack A first body provided with a first fixing part fixed at one side of the occurrence; And a protruding portion overlapping with the concave portion of the first body on one side, and a second main body provided with a second fixing portion fixed to the other side where the crack occurs on the other side. .

이하, 첨부된 도1 내지 도3을 참조하여 본 발명의 일실시예를 상세히 설명한다.Hereinafter, an embodiment of the present invention will be described in detail with reference to FIGS. 1 to 3.

본 발명에 따른 건축물의 안전점검용 균열폭 감시자는, 도1에 도시된 바와 같이, 일측부는 콘크리트 구조물에 밀착되어 고정되는 고정부(13,22)가 형성되고, 타측부 중앙에는 오목홈이 형성된 형상 즉, 양단부에 제1 및 제2돌기부(11,12)가 형성된 "凹"자의 평면형상인 제1고정부재(10)와 상기 제1고정부재(10)의 오목부에 겹쳐지는 돌출부(21)가 형성된 "凸"자의 평면형상인 제2고정부재(20)를 포함한다. 또한, 상기 제1 및 제2고정부재(10,20)의 표면에는 어두운 곳에서도 식별이 가능하도록 하는 형광물질이 도포된다. 그리고, 제1 및 제2고정부재(11,12)는 플라스틱 재질로 이루어지며, 그의 열팽창계수는 6.5㎝/㎝℃ × 10-5인 것이 바람직하다.As shown in FIG. 1, the crack width monitor for safety check of a building according to the present invention has one side portion having fixed parts 13 and 22 fixed to and tightly adhered to a concrete structure, and a concave groove is formed at the center of the other side. That is, the first fixing member 10 having a planar shape of “凹” having the first and second protrusions 11 and 12 formed at both ends thereof, and the protrusion 21 overlapping the recessed portion of the first fixing member 10 are formed. And a second fixing member 20 that is formed in a planar shape. In addition, the surface of the first and second fixing member 10, 20 is coated with a fluorescent material to enable identification even in the dark. In addition, the first and second fixing members 11 and 12 are made of a plastic material, and the coefficient of thermal expansion thereof is preferably 6.5 cm / cm ° C. × 10 −5 .

여기서, 상기 제1고정부재(10)의 제1돌기부(11)에는 그 길이방향으로 필름막(14)이 형성된다. 상기 필름막(14)에는 0.1㎜부터 각각 0.1㎜씩 증가하는 선폭을 가진 10개의 선분이 소정간격을 두고 순차적으로 인쇄되어, 본 발명의 장치를 균열이 발생한 콘크리트 표면에 고정시킬 경우, 상기 균열의 폭을 개략적으로 측정할 수 있도록 한다. 그리고, 상기 제1고정부재(10)의 제2돌기부(12) 상면에는 "위치: " 및 "측점: "이 인쇄되어 있으며, 그 일측으로는 상기 균열이 발생한 지점을 기록할 수 있도록된 기록판(15)이 형성된다. 상기 기록판(15)에 균열의 위치 및 측점을 기록하는 것은, 균열의 폭을 한 번 측정하고 일정시간이 흐른 후에 안전점검자가 균열의 진전여부를 파악하기 위해 상기 균열을 찾는 것을 용이하도록 한다.Here, a film film 14 is formed in the longitudinal direction of the first protrusion 11 of the first fixing member 10. In the film film 14, ten line segments each having a line width increasing from 0.1 mm to 0.1 mm are sequentially printed at predetermined intervals, and the width of the crack is fixed when the device of the present invention is fixed to the concrete surface in which the crack has occurred. Allow to measure approximately. In addition, "position:" and "point:" are printed on the upper surface of the second protrusion 12 of the first fixing member 10, and on one side thereof, a recording plate capable of recording the point where the crack has occurred. (15) is formed. Recording the location and location of the cracks on the recording plate 15 makes it easier for the safety inspector to find the cracks to determine if the cracks have progressed after a period of time measuring the width of the cracks.

그리고, 상기 제1고정부재(10)의 오목부와 제2고정부재(20)의 돌출부(21)에는 0.1㎜간격의 간이눈금자(16,23)가 각각 각인되어 균열의 진전여부를 시각적으로 판별할 수 있도록 한다. 다시 말해, 본 발명의 장치를 상기 균열이 발생한 지점에 부착한 후에, 상기 간이눈금자(16,23)의 상면에 싸인펜 등으로 균열의 연장선을 그어 두고, 상기 일정시간이 지난 후에 다시 상기 균열의 폭을 측정할 경우 균열이 진전되거나 축소되었다면, 상기 연장선이 서로 어긋나게 되므로 시각적으로 균열의 움직임을 감시할 수 있게된다.In addition, 0.1 mm intervals of simple rulers 16 and 23 are engraved on the concave portion of the first fixing member 10 and the protrusion 21 of the second fixing member 20 to visually determine the progress of the crack. Do it. In other words, after attaching the device of the present invention to the point where the crack has occurred, the extension line of the crack is drawn on the upper surface of the simple rulers 16, 23 with a pen or the like, and the width of the crack again after the predetermined time has passed. If the crack is advanced or reduced, the extension lines are shifted from each other so that the movement of the crack can be visually monitored.

한편, 상기 두 고정부재(10,20)의 각 고정부(13,22)의 상면에는 중앙부분이 중심점을 향하여 함몰된 원통형상의 측정블록(10a,20a)이 각 한 개씩 장착되며, 상기 측정블록(10a,20a)의 중앙부분은 균열폭 측정시 버어니어캘리퍼스의 측정자가 정중앙에 위치할 수 있도록 한다.On the other hand, on the upper surface of each of the fixing parts (13, 22) of the two fixing members (10, 20), one cylindrical measuring block (10a, 20a) each having a central portion recessed toward the center point is mounted one by one, the measuring block The central part of (10a, 20a) is to allow the vernier caliper to be located in the center of the crack width measurement.

그러면, 첨부된 도3a 및 도3b를 참조하여 본 발명의 균열폭 감시자를 이용한 균열폭 측정방법에 대하여 설명한다.Next, a crack width measuring method using the crack width monitor of the present invention will be described with reference to FIGS. 3A and 3B.

먼저, 균열(1)이 발생된 콘크리트의 표면을 연마석이나 샌드페이퍼 등을 이용하여 깨끗이 연마한 후에, 도3a 및 도3b에 도시된 바와 같이, 순간 접착제를 사용하여 상기 균열발생 지점에 상기 제1고정부재(10)의 오목부 및 제2고정부재(20)의 돌출부(21)가 겹쳐지도록 고정부(13,22)를 부착한 다음, 상기 간이눈금자(16,23) 상에 싸인펜 등을 이용하여 균열(1)의 연장선을 그어 둔다.First, the surface of the concrete in which the crack 1 is generated is polished cleanly using abrasive stone, sandpaper, or the like, and then, as shown in FIGS. 3A and 3B, the first fixing is performed at the cracking point using instant adhesive. The fixing parts 13 and 22 are attached to overlap the recessed part of the member 10 and the protruding part 21 of the second fixing member 20, and then using a sign pen or the like on the simplified ruler 16 or 23. The extension line of the crack 1 is drawn out.

그런 다음, 버어니어캘리퍼스(2)의 측정자를 상기 측정블록(10a,20a)의 함몰부 중심부분에 안착되도록 하여 균열(1)의 폭을 측정하고, 상기 균열(1)의 위치 및 측점을 상기 기록판(14)에 기록한다. 이때, 버어니어캘리퍼스는 상기 필름막(14)에 형성된 선분에 의한 균열폭의 측정보다 더욱 정밀한 측정을 위해 그 정밀도가 1/100㎜인 것을 사용하며, 건축물의 균열폭을 주기적으로 측정 기록하므로써 균열(1)의 진전여부를 확인한다.Then, the measurement of the vernier caliper (2) to be seated in the center of the depression of the measuring blocks (10a, 20a) to measure the width of the crack (1), the location and point of the crack (1) It records on the recording board 14. In this case, the vernier caliper uses a precision of 1/100 mm to measure more precisely than the measurement of the crack width by the line segment formed in the film film 14, and the crack (1) by periodically measuring and recording the crack width of the building Check your progress.

이상에서 설명한 본 발명은 전술한 실시예 및 도면에 의해 한정되는 것은 아니고, 본 발명의 기술적 사상을 벗어나지 않는 범위내에서 여러 가지 치환, 변형 및 변경이 가능함은 본 발명이 속하는 기술 분야에서 통상의 지식을 가진 자에게 있어 명백할 것이다.The present invention described above is not limited to the above-described embodiments and drawings, and various substitutions, modifications, and changes can be made without departing from the technical spirit of the present invention. It will be apparent to those who have

상기한 바와 같은 본 발명에 따른 건축물의 안전점검용 균열폭 감시자는, 지하통신구와 같이 어둡고 습도가 높은 환경에서도 균열의 위치, 균열의 폭 및 그의 진전여부를 용이하게 측정할 수 있으므로, 안전점검의 효율성을 향상시키는 효과를 가진다.As described above, the crack width monitor for the safety check of a building according to the present invention can easily measure the position of the crack, the width of the crack, and its progress even in a dark and high humidity environment such as an underground communication port, and thus the efficiency of the safety check Has the effect of improving.

Claims (2)

일측부 중앙에 오목홈이 형성되되, 상기 오목홈을 이루는 일측 돌기부에 균열폭을 측정하도록 서로 다른 선폭을 가지는 다수의 선분이 형성된 필름막이 구비되며, 타측에는 상기 균열이 발생한 일측 지점에 고정되는 제1고정부가 구비되며, 표면에 형광물질이 도포되되 그 소정부위에는 상기 균열이 발생한 지점의 위치를 기록하기 위한 기록판이 구비된 제1고정부재;A concave groove is formed at the center of one side, and a film film having a plurality of line segments having different line widths is provided to measure the crack width at one of the protrusions forming the concave groove, and the other side is fixed to one side at which the crack has occurred. A first fixing member having a fixing part and having a recording plate for recording the position of the point where the crack is formed, the fluorescent material being coated on a surface thereof; 표면에 형광물질이 도포되며, 일측에 상기 제1고정부재의 오목홈과 중첩되는 돌출부가 구비되고, 타측에 상기 균열이 발생한 타측 지점에 고정되는 제2고정부가 구비된 제2고정부재; 및A second fixing member having a fluorescent material applied to a surface thereof, a protruding portion overlapping with the concave groove of the first fixing member on one side, and a second fixing member having a second fixing portion fixed to the other side where the crack is formed on the other side; And 상기 제1고정부재의 오목홈 상면과 제2고정부재의 돌출부 상면에 각각 형성되며, 상기 균열의 진전여부를 판단하기 위한 다수의 눈금이 소정간격으로 구비된 균열판축수단을 포함하는 건축물의 안전점검용 균열폭 감시자.The safety check of the building, which is formed on the upper surface of the concave groove of the first fixing member and the upper surface of the protrusion of the second fixing member, respectively, and includes a crack plate shaft means provided with a plurality of scales at predetermined intervals for determining the progress of the crack. Dragon crack width monitor. 제 1항에 있어서,The method of claim 1, 상기 제1 및 제2고정부재의 제1 및 제2고정부 상면에 장착되며, 중심점을 향하여 함몰된 형상을 가지는 측정블록과, 상기 제1 및 제2고정부재 각각이 측정블록에 위치시켜 균열의 폭을 측정하는 수단을 더 포함하는 건축물의 안전점검용 균열폭 감시자.A measurement block mounted on the first and second fixing parts of the first and second fixing members, the measuring block having a shape recessed toward a center point, and each of the first and second fixing members positioned on the measuring block to A crack width monitor for safety check of a building further comprising a means for measuring the width.
KR1019970077200A 1997-12-29 1997-12-29 Crack width monitoring ruller KR100244072B1 (en)

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KR102391391B1 (en) * 2021-09-07 2022-04-27 우재희 Method and apparatus for crack monitoring in building using crack gauge
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CN108180813A (en) * 2018-02-05 2018-06-19 重庆市地质矿产勘查开发局208水文地质工程地质队（重庆市地质灾害防治工程勘查设计院） House wall crack paster and house crack monitoring method
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KR102391391B1 (en) * 2021-09-07 2022-04-27 우재희 Method and apparatus for crack monitoring in building using crack gauge
KR102591856B1 (en) 2023-04-19 2023-10-23 (주)한림이앤지 Crack measurement jig for safety diagnosis of building
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