KR100433991B1 - Wall Maintenance and Reinforce Engineering Method of Wall On the Water - Google Patents

Wall Maintenance and Reinforce Engineering Method of Wall On the Water Download PDF

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Publication number
KR100433991B1
KR100433991B1 KR10-2002-0008210A KR20020008210A KR100433991B1 KR 100433991 B1 KR100433991 B1 KR 100433991B1 KR 20020008210 A KR20020008210 A KR 20020008210A KR 100433991 B1 KR100433991 B1 KR 100433991B1
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wall
caisson
repair
underwater
reinforcement
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KR10-2002-0008210A
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KR20030068317A (en
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배석동
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배석동
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D37/00—Repair of damaged foundations or foundation structures
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D23/00—Caissons; Construction or placing of caissons
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/06—Constructions, or methods of constructing, in water
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2250/00—Production methods
    • E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2300/00—Materials
    • E02D2300/0004—Synthetics
    • E02D2300/0018—Cement used as binder
    • E02D2300/002—Concrete

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Working Measures On Existing Buildindgs (AREA)

Abstract

본 발명은 수중 벽체의 보수 보강 공법을 개시한다.The present invention discloses a repair reinforcement method for underwater walls.

이러한 본 발명의 목적은 연속되는 수중 벽체를 건식상태에서 보수 보강하도록 함으로써, 작업비용과 작업시간을 절감하고 보수 보강 효과가 장기간 유지되도록 하기 위한 것이며, 이와 같은 목적을 달성하기 위하여 수중 벽체에 코팅재를 부착하거나 또는 콘크리트를 타설하여 보수 보강하는 공지의 것에 있어서, 수중 벽체에 케이슨 지지용 고리를 설치하는 공정과, 가장자리에 수밀튜브가 형성된 케이슨을 상기 지지용 고리에 체결시키는 공정과, 수밀튜브를 팽창시키고 케이슨과 벽체 사이의 물을 배출시키는 공정과, 벽체에 코팅재를 부착하거나 또는 철근을 배설하고 콘크리트를 타설하는 공정과, 수밀튜브를 수축시키고 케이슨을 철거하는 공정으로 됨을 특징으로 한다.The object of the present invention is to repair and reinforce the continuous underwater wall in a dry state, to reduce the work cost and work time and to maintain the repair reinforcement effect for a long time, in order to achieve the above object is to apply a coating material to the underwater wall In the known method for attaching or reinforcing concrete by reinforcing concrete, a step of installing a caisson support ring on the underwater wall, a step of fastening a caisson with a watertight tube formed at the edge thereof to the support ring, and expanding the watertight tube And discharging water between the caisson and the wall, attaching a coating material to the wall, or disposing reinforcing bars and pouring concrete, and shrinking the watertight tube and dismantling the caisson.

상기와 같은 본 발명은 수중에 연속되는 벽체를 건식상태에서 저렴한 비용으로 신속하게 보수 보강 할 수 있고, 보수 보강되는 신설 코팅재 또는 콘크리트와 기존 구조물의 부착력이 우수하여 보수 보강효과가 장기간 지속되므로 수중 벽체의 내구연한이 증가되는 등의 유용한 효과가 있다.The present invention as described above can be quickly repaired and reinforcement of the continuous wall in the water at a low cost in the dry state, and excellent reinforcement of the new coating material or concrete and the existing structure to be repaired reinforcement for a long time because the repair reinforcement effect lasts for a long time It has a useful effect such as increasing the durability of.

Description

수중 벽체의 보수 보강 공법{Wall Maintenance and Reinforce Engineering Method of Wall On the Water}Wall Maintenance and Reinforce Engineering Method of Wall On the Water

본 발명은 수중 벽체의 보수 보강 공법에 관한 것으로, 특히 연속되는 수중 벽체를건식상태에서 보수 보강할 수 있도록 하는 공법에 관한 것이다.The present invention relates to a repair reinforcement method for underwater walls, and more particularly, to a method for repairing and reinforcing a continuous underwater wall in a dry state.

주지하는 바와 같이 수중 구조물은 콘크리트가 조기에 중성화되거나 골재분리, 공동발생 등의 현상이 쉽게 발생된다.As it is known, the underwater structure is easily neutralized concrete, aggregate separation, cavitation and the like easily occurs.

이러한 현상이 발생되면 붕괴나 안전사고의 위험이 있으므로, 잠수부가 수중에서 코팅용 부수재, 금속패널, 섬유계 보수재, 콘크리트 등을 구조물에 부착시켜 보수 보강하게 되나, 작업이 매우 까다롭고 과다한 비용이 소요되며, 기존 구조물과의 탄성계수 차이, 재료분리 현상, 부착력 부족 등에 의하여 조기에 탈락하거나 부식, 강도저하 등의 원인이 된다.When this happens, there is a risk of collapse or safety accidents. Divers attach water to the structure by attaching ancillary materials for coating, metal panels, fiber repair materials, and concrete to the structure, but the work is very demanding and expensive. It may take a long time due to the difference in elastic modulus from the existing structure, material separation, lack of adhesion, etc.

이러한 이유로 인하여 수중 구조물을 건식상태에서 보수 보강함으로써 기존 구조물과 부착력이 증대되고 강도가 향상되는 공법을 본 출원인이 특허출원 제1999-51771호(명칭;교각 보수용 케이션) 및 제1999-51770호(명칭;교각 보수용 수밀케이션)로 제안한 바 있다.For this reason, the applicants have applied for a method of repairing and reinforcing the underwater structure in a dry state to increase the adhesive strength and the strength of the existing structure, and the present applicants have applied for the patent application Nos. 1999-51771 (name: Pier repair application) and 1999-51770 ( It was proposed as a name; watertightness for bridge repair).

이러한 선출원 발명에 의하면 교각의 주위에 수밀 케이션을 설치하고 상기 수밀 케이션과 교각 사이의 물을 배출시킨 후, 건식상태에서 작업자가 수밀 케이션과 교각 사이로 들어가 보수 보강 작업을 수행하는 것이다.According to this prior application, the watertight application is installed around the bridge and the water between the watertight location and the pier is discharged, and the worker enters between the watertight location and the pier in a dry state and performs the reinforcement work.

그러나 이러한 공법은 규모가 크지 않은 수중 구조물의 보수 보강에 적합한 것이어서, 부두와 같이 수중에 벽체가 연속되는 구조물에는 적용할 수 없었다.However, this method is suitable for reinforcing reinforcement of non-large aquatic structures, and thus cannot be applied to structures with continuous walls in water such as docks.

따라서 이와 같은 벽체를 보수 보강할 때에는 종전의 방식인 잠수부가 수중에서 과다한 비용과 작업시간을 소요하며 보수 보강하는 방법을 사용하게 되나, 기존 구조물에서 조기에 탈락하여 붕괴나 안전사고의 위험을 해소하지 못하는 문제가 있다.Therefore, when repairing and reinforcing such a wall, divers, which is a conventional method, require excessive repair and reinforcement in the water, but do not eliminate the risk of collapse or safety accident by falling off the existing structure early. There is no problem.

본 발명은 상기와 같은 종래의 문제를 감안하여 연속되는 수중 벽체를 건식상태에서 보수 보강하도록 함으로써, 작업비용과 작업시간을 절감하고 보수 보강 효과가 장기간 유지되도록 하는 수중 벽체의 보수 보강 공법을 제공함에 그 목적이 있다.The present invention to repair and reinforce the continuous underwater wall in the dry state in view of the above-described conventional problems, to provide a repair and reinforcement method of the underwater wall to reduce the work cost and work time and maintain the repair reinforcement effect for a long time. The purpose is.

도 1은 본 발명에 의한 보수 보강 공법의 공정도.1 is a process chart of the repair reinforcement method according to the present invention.

도 2는 본 발명에 의한 본 발명에 의한 보수 보강 공정을 도시한 설명도.2 is an explanatory diagram showing a repair reinforcement step according to the present invention according to the present invention.

도 3은 본 발명에 의하여 수중 벽체를 철근 콘크리트로 보수 보강하는 공정을 도시한 설명도.3 is an explanatory diagram showing a step of repairing and reinforcing an underwater wall with reinforced concrete according to the present invention;

도 4는 본 발명에 의하여 보수 보강된 면의 측방을 이어서 보수 보강하는 공정을 도시한 설명도.4 is an explanatory view showing a step of subsequently repairing and reinforcing the side of the surface that is repaired and reinforced according to the present invention;

도 5는 수중 벽체의 모서리부를 보수 보강하는 공정을 도시한 설명도.5 is an explanatory diagram showing a step of repairing and reinforcing an edge of an underwater wall;

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

10 : 수중 벽체 11 : 지지고리 12 : 케이슨10: underwater wall 11: support ring 12: caisson

13 : 수밀튜브 14 : 보호판 15 : 턴버클13: watertight tube 14: shield 15: turnbuckle

16 : 패널 17 : 앵커볼트 18 : 철근16 Panel 17 Anchor Bolt 18 Reinforcing Bar

이러한 목적을 달성하기 위한 본 발명은 수중 벽체에 코팅재를 부착하거나 또는 콘크리트를 타설하여 보수 보강하는 공지의 것에 있어서, 수중 벽체에 수밀튜브가 형성된 케이슨을 설치한 후, 케이슨과 벽체 사이의 공간에 수용된 물을 배출시키고, 벽체에 코팅재를 부착하거나 또는 철근을 배설하고 콘크리트를 타설하여 보수 보강한 다음 케이슨을 철거하는 공정으로 되는 수중 벽체의 건식 보수 보강 공법을 제안한다.In order to achieve the above object, the present invention attaches a coating material to an underwater wall or installs concrete and repairs and reinforces the water. After installing a caisson with a watertight tube formed on the underwater wall, the space between the caisson and the wall is accommodated. We propose a dry repair reinforcement method for underwater walls, which is a process of draining water, attaching coating material to the walls, or laying reinforcing bars, repairing and reinforcing concrete by pouring concrete, and then removing caisson.

이에 따라 본 발명은 연속되는 수중 벽체를 저렴한 비용으로 신속하게 보수 보강할 수 있으며, 기존 벽체와 신설 구조의 부착력이 향상되어 보수 보강 효과가 장기간 지속된다.Accordingly, the present invention can quickly repair and reinforce the continuous underwater wall at low cost, and the adhesion between the existing wall and the newly constructed structure is improved, and the repair and reinforcing effect lasts for a long time.

상기와 같은 본 발명의 구성 및 작용을 첨부한 도면에 의거 상세히 설명하면 다음과 같다.Referring to the configuration and operation of the present invention as described above in detail as follows.

도 1은 본 발명에 의한 보수 보강 공법의 공정도이고, 도 2는 본 발명에 의한 본 발명에 의한 보수 보강 공정을 도시한 설명도이며, 도 3은 본 발명에 의하여 수중 벽체를 건식상태에서 철근 콘크리트로 보수 보강하는 공정을 도시한 설명도이다.1 is a process diagram of a repair reinforcement method according to the present invention, Figure 2 is an explanatory view showing a repair reinforcement process according to the present invention according to the present invention, Figure 3 is reinforced concrete in the dry state of the underwater wall according to the present invention It is explanatory drawing which shows the process of repairing and strengthening a furnace.

본 발명은 연속되는 수중 벽체(10)를 건식상태에서 보수 보강하는 것으로, 수중 벽체(10)에 지지용 고리(11)를 설치하는 공정과, 가장자리에 수밀튜브(13)가 형성된 케이슨(12)을 상기 지지용 고리(11)에 체결시키는 공정과, 수밀튜브(13)를 팽창시키고 케이슨(12)과 벽체(10) 사이의 물을 배출시키는 공정과, 벽체(10)에 코팅재를 부착하거나 또는 철근을 배설하고 콘크리트를 타설하는 공정과, 수밀튜브(13)를 수축시키고 케이슨(12)을 철거하는 공정으로 된다.The present invention repairs and reinforces the continuous underwater wall 10 in a dry state, and installs the support ring 11 on the underwater wall 10, and the caisson 12 having a watertight tube 13 formed at an edge thereof. Fastening the support ring 11 to the support ring 11, expanding the watertight tube 13, and discharging water between the caisson 12 and the wall 10, or attaching a coating material to the wall 10, or The process of excreting reinforcing steel and placing concrete, and the process of shrinking the watertight tube 13 and dismantling the caisson 12 are performed.

즉, 항만이나 부두 등과 같이 수중에 벽체(10)가 연속되는 구조물을 보수 보강하기 위하여 먼저, 잠수부가 수중에서 상기 벽체(10)를 정리하고 케이슨(12)을 지지하기 위한 지지고리(11)를 설치하는데, 이러한 지지고리(11)는 수중 벽체(10)가 콘크리트일 경우에는 앵커볼트를 박아 설치하고, 강재일 경우에는 앵커볼트를 용접하여 설치한다.That is, in order to repair and reinforce the structure in which the wall 10 is continuous in the water, such as a harbor or a pier, the diver first arranges the wall 10 in the water and supports the support ring 11 for supporting the caisson 12. To install, this support ring 11 is installed in the anchor bolt when the underwater wall (10) is concrete, in the case of steel is installed by welding the anchor bolt.

이어서 공기나 물의 주입으로 팽창되는 수밀튜브(13)가 가장자리에 형성된 케이슨(12)을 상기 벽체(10)에 근접시켜 지지고리(11)와 결합시키되, 케이슨(12)과 벽체(10) 사이에 턴버클(15)을 설치하여 상기 케이슨(12)과 벽체(10)가 일정한 간격을 유지하도록 한다.Subsequently, a watertight tube 13 which is expanded by injection of air or water is coupled to the support ring 11 by bringing the caisson 12 formed at the edge thereof into the wall 10, and between the caisson 12 and the wall 10. The turnbuckle 15 is installed to maintain the caisson 12 and the wall 10 at regular intervals.

이어서 수밀튜브(13)의 양측에 구비된 보호판(14)을 벽체(10)에 밀착시킨 다음, 케이슨(12)과 벽체(10) 사이로 외수가 유입되지 못하도록 육상에서 펌프를 이용하여 상기 수밀튜브(13)를 팽창시킨다.Subsequently, the protection plates 14 provided on both sides of the watertight tube 13 are brought into close contact with the wall 10, and then the watertight tube (eg, by using a pump on land so that external water does not flow between the caisson 12 and the wall 10). 13) Inflate.

이와 같이 하여 케이슨(12)과 벽체(10) 사이의 공간에 수밀이 유지되면 펌프를 이용하여 상기 공간에 수용된 물을 퍼내 건식상태가 되도록 하고, 이러한 상태에서 작업자가 들어가 벽체(10)를 보수 보강한다.When watertight is maintained in the space between the caisson 12 and the wall 10 in this way, the water contained in the space is pumped out to be dry by using a pump, and in this state, the worker enters and repairs and reinforces the wall 10. do.

이때 상기 벽체(10)의 종류나 손상정도에 따라 코팅재나 철근 콘크리트로 보수 보강하는데, 여기서는 철근 콘크리트로 보수 보강하는 예를 설명한다.At this time, the reinforcement with the coating material or reinforced concrete according to the type or the degree of damage of the wall 10, here will be described an example of reinforcement with reinforced concrete.

즉, 작업자가 케이슨(12)과 벽체(10) 사이의 공간으로 들어가 상기 벽체(10)에 앵커볼트(17)를 박거나 용접하여 설치한 후 철근(18)을 배설하고 이어서 패널(16)을 설치하되, 상기 앵커볼트(17)에 패널(16)을 체결시켜 상기 패널(16)이 벽체(10)에 고정 지지되도록 한다.That is, the worker enters the space between the caisson 12 and the wall 10 to install or weld the anchor bolt 17 to the wall 10 and then install the reinforcing bar 18 and then the panel 16 Although installed, the panel 16 is fastened to the anchor bolt 17 so that the panel 16 is fixedly supported on the wall 10.

이어서 패널(16)과 벽체(10) 사이에 콘크리트를 타설하거나 또는 그라우팅하여 양생시킨 다음, 패널(16)을 철거하고 신설된 콘크리트에 돌출된 앵커볼트(17)를 제거하며, 이후 수밀튜브(13)를 수축시켜 케이슨(12)과 벽체(10) 사이의 공간에 유지되던 수밀상태를 해제시키고, 이어서 케이슨(12)과 턴버클(15)을 해체하고, 케이슨(12)과 지지고리(11)를 철거한다.The concrete is then cast or grouted between the panel 16 and the wall 10 to cure, and then the panel 16 is demolished and the anchor bolts 17 protruding from the newly formed concrete are removed, followed by the watertight tube 13. ) To release the watertight state held in the space between the caisson 12 and the wall 10, and then disassemble the caisson 12 and the turnbuckle 15, the caisson 12 and the support ring 11 Demolish.

이때, 벽체(10)의 보수 보강효과를 더욱 향상시키고 노후와를 지연시키기 위하여 상기 패널(16)을 콘크리트가 양생된 후 철거하지 않고 벽체(10)의 외벽으로 사용할 수 있고, 공사도중 케이슨(12)과 벽체(10) 사이의 공간으로 외수가 유입될 경우에 대비하여 항상 펌프를 가동시킨다.In this case, in order to further improve the repair reinforcement effect of the wall 10 and to delay the aging, the panel 16 may be used as the outer wall of the wall 10 without being demolished after the concrete is cured. The pump is always operated in case the external water flows into the space between the wall and the wall 10.

이러한 벽체의 보수 보강작업은 연속되는 벽체(10)의 일부분만을 보수 보강한 것이므로, 철거한 케이슨(12)을 보수 보강된 면의 측방으로 옮겨 설치하되, 상기 시공된 부분의 끝부분이 첨부한 도면 도 4에서와 같이 중복되도록 하여 연속되는 벽체(10)를 보수 보강하며, 이러한 보수 보강 공정은 상술한 바와 동일하게 시행한다.Since the repair reinforcement of such a wall is to repair and reinforce only a portion of the continuous wall 10, the dismantled caisson 12 is moved to the side of the repair-reinforced surface and installed, but the end portion of the constructed part is attached to the drawing. The repair and reinforcement of the continuous wall 10 by overlapping as shown in Figure 4, this repair reinforcement process is carried out in the same manner as described above.

또한, 벽체(10)의 모서리부는 첨부한 도면 도 5로 도시한 바와 같이 모서리형 케이슨(12)을 설치하여 보수 보강한다.In addition, the corner portion of the wall 10, as shown in the accompanying drawings, Figure 5 is installed by the corner caisson 12 to repair and reinforce.

상기한 바와 같이 본 발명은 수중 벽체에 수밀튜브가 형성된 케이슨을 설치한 후, 케이슨과 벽체 사이의 공간에 수용된 물을 배출시키고, 벽체에 코팅재를 부착하거나 또는 철근을 배설하고 콘크리트를 타설하여 보수 보강하는 공법에 관한 것으로, 수중에 연속되는 벽체를 건식상태에서 저렴한 비용으로 신속하게 보수 보강 할 수 있고, 보수 보강되는 신설 코팅재 또는 콘크리트와 기존 구조물의 부착력이 우수하여 보수 보강효과가 장기간 지속되므로 수중 벽체의 내구연한이 증가되는 등의 유용한 효과가 있다.As described above, the present invention installs a caisson with a watertight tube formed on the underwater wall, and then discharges the water contained in the space between the caisson and the wall, attach the coating material to the wall or excrete the reinforcement and pour concrete to reinforce the repair It is related to the construction method, and it is possible to quickly repair and reinforce continuous wall in the dry state at low cost, and it is excellent in the adhesion of new coating material or concrete and existing structures that are repaired and reinforced. It has a useful effect such as increasing the durability of.

Claims (3)

수중 벽체(10)에 코팅재를 부착하거나 또는 콘크리트를 타설하여 보수 보강하는 공지의 것에 있어서,In the well-known thing which attaches a coating material to the underwater wall 10, or casts concrete and repairs it, 수중벽체(10)에 지지용 고리(11)를 설치하는 공정과, 가장자리에 수밀튜브(13)가 형성된 케이슨(12)을 상기 지지용 고리(11)에 체결시키는 공정과, 수밀튜브(13)를 팽창시키고 케이슨(12)과 벽체(10) 사이의 물을 배출시키는 공정과, 벽체(10)에 코팅재를 부착하거나 또는 철근을 배설하고 콘크리트를 타설하는 공정과, 수밀튜브(13)를 수축시키고 케이슨(12)을 철거하는 공정으로 됨을 특징으로 하는 수중 벽체의 보수 보강 공법.Installing the support ring (11) on the underwater wall (10), fastening the caisson (12) having the watertight tube (13) formed at the edge thereof to the support ring (11), and the watertight tube (13). Expanding the water and draining the water between the caisson 12 and the wall 10, attaching a coating material to the wall 10, or disposing the reinforcing bar and placing concrete, and shrinking the watertight tube 13 Repair and reinforcement method of underwater wall, characterized in that the step of removing the caisson (12). 제 1 항에 있어서,The method of claim 1, 케이슨(12)과 벽체(10)가 일정한 간격을 유지하도록 상기 케이슨(12)과 벽체(10) 사이에 턴버클(15)을 설치함을 특징으로 하는 수중 벽체의 보수 보강 공법.Repair stiffening method of underwater wall, characterized in that the turnbuckle (15) is provided between the caisson (12) and the wall (10) so that the caisson (12) and the wall (10) to maintain a constant interval. 제 1 항에 있어서,The method of claim 1, 수밀튜브(13)의 양측에 보호판(14)을 설치함을 특징으로 하는 수중벽체의 보수 보강 공법.Repair reinforcement method of the underwater wall, characterized in that the protective plate 14 is installed on both sides of the watertight tube (13).
KR10-2002-0008210A 2002-02-15 2002-02-15 Wall Maintenance and Reinforce Engineering Method of Wall On the Water KR100433991B1 (en)

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