KR20030068318A - Maintenance and Reinforcement Engineering Method of Architectural Structure - Google Patents

Maintenance and Reinforcement Engineering Method of Architectural Structure Download PDF

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Publication number
KR20030068318A
KR20030068318A KR1020020008211A KR20020008211A KR20030068318A KR 20030068318 A KR20030068318 A KR 20030068318A KR 1020020008211 A KR1020020008211 A KR 1020020008211A KR 20020008211 A KR20020008211 A KR 20020008211A KR 20030068318 A KR20030068318 A KR 20030068318A
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South Korea
Prior art keywords
concrete
building structure
panel
reinforcement
hole
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KR1020020008211A
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Korean (ko)
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KR100455414B1 (en
Inventor
배석동
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배석동
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Priority to KR10-2002-0008211A priority Critical patent/KR100455414B1/en
Publication of KR20030068318A publication Critical patent/KR20030068318A/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00—Working measures on existing buildings
    • E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
    • E04G17/04—Connecting or fastening means for metallic forming or stiffening elements, e.g. for connecting metallic elements to non-metallic elements
    • E04G17/042—Connecting or fastening means for metallic forming or stiffening elements, e.g. for connecting metallic elements to non-metallic elements being tensioned by threaded elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/12—Mounting of reinforcing inserts; Prestressing

Abstract

PURPOSE: A method of reinforcing and repairing structures is provided to increase the adhesive power between established concrete and new concrete, therefore to make the effect of reinforcement or repair last as much as possible. CONSTITUTION: The process of reinforcing or repairing structures is composed of: making a perforated hole(13) in the structure; installing a panel(15) provided with an access hole(16) to the face necessary to be repaired or reinforced; inserting an anchor bolt(18) and a waved pipe through the access hole and the perforated hole; injecting concrete passing through the perforated hole between the structure and the panel; straining the concrete by fastening a nut(19) joined to the anchor bolt; filling the inside of the waved pipe with mortar; removing a projected anchor bolt(18).

Description

건축 구조물의 보수 보강 공법{Maintenance and Reinforcement Engineering Method of Architectural Structure}Maintenance and Reinforcement Engineering Method of Architectural Structure

본 발명은 건축물의 보수 보강 공법에 관한 것으로, 특히 노후된 건축물을 보수 보강하여 내구수명을 증가시키는 건축물의 보수 보강 공법에 관한 것이다.The present invention relates to a repair reinforcement method of the building, and more particularly to a repair reinforcement method of the building to increase the durability life by reinforcement of the old building.

주지하는 바와 같이 노후된 건축물은 안전도와 경제성을 검토하여 철거하거나 또는 보수 보강하여 안전도와 내구연한을 증가시키는데, 근래에는 보수 보강하는 방법이 널리 사용되고 있다.As is well known, the deteriorated buildings are reviewed for safety and economic feasibility or demolished or repaired to increase safety and durability. Recently, repair and reinforcement methods have been widely used.

이러한 보수 보강 방법으로 건축물의 보수 보강하고자 하는 면에 철재 패널 또는 섬유계 보강재를 덧씌우거나 콘크리트를 손상된 부분에 채워 넣는 방법이 일반적이다.In this repair reinforcement method, a steel panel or a fiber-based reinforcement is overlaid on a surface to be repaired or reinforced in a building, or a concrete is filled in a damaged part.

그러나 이러한 보수 보강 방법은 시공이 어렵고 철재 패널 또는 섬유계 보강재와 기존 콘크리트간의 탄성계수 차이로 인한 부착력 부족과 기존 콘크리트와 신설 콘크리트간의 부착력 부족 등으로 인하여 신설부분이 기존부분에서 조기에 떨어지게 되고, 이에 따라 건축물의 안전도와 내구연한이 보수 보강 이전과 같아지게 되는 등 보수 보강 효과가 장기간 지속되지 못하고 일시적이라는 문제가 있다.However, this repair reinforcement method is difficult to install, and the new parts drop early due to the lack of adhesion due to the difference in elastic modulus between the steel panel or fibrous reinforcement and the existing concrete, and the lack of adhesion between the existing concrete and the new concrete. As a result, the safety reinforcement effect of the building becomes the same as before the reinforcement.

본 발명은 상기와 같은 종래의 문제를 감안하여 기존 콘크리트와 신설 콘크리트의 부착력과 인장력을 향상시킴으로써 우수한 보수 보강 효과를 장기간 가지게 하고, 이에 따라 노후 건축물의 안전도와 내구연한을 향상시키는 건축물의 보수 보강 공법을 제공함에 그 목적이 있다.The present invention in view of the conventional problems as described above by improving the adhesion and tensile strength of the existing concrete and the new concrete to have a good repair reinforcement effect for a long time, according to the repair and reinforcement method of the building to improve the safety and durability of the old building accordingly The purpose is to provide.

도 1은 본 발명에 의한 건축물의 보수 보강 공법을 도시한 공정도.1 is a process chart showing the repair reinforcement method of the building according to the present invention.

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

도 3은 본 발명에 의한 보수 보강 공정에서 앵커볼트가 설치된 상태를 도시한 상세도.Figure 3 is a detailed view showing a state in which the anchor bolt is installed in the repair reinforcement process according to the present invention.

도 4는 본 발명에 의한 보수 보강 공법의 다른 실시예를 도시한 설명도.4 is an explanatory diagram showing another embodiment of the repair reinforcement method according to the present invention.

도 5는 본 발명에 의한 보수 보강 공법의 또 다른 실시예를 도시한 설명도.5 is an explanatory view showing another embodiment of the repair reinforcement method according to the present invention.

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

10 : 건축 구조물 11 : 보수 보강 면 12 : 이면10: building structure 11: repair reinforcement surface 12: back side

13 : 관통공 14 : 홈 15 : 패널13 through hole 14 groove 15 panel

16 : 삽입공 17 : 철근 18 : 앵커볼트16: insertion hole 17: rebar 18: anchor bolt

19 : 너트 20 : 고정볼트 21 : 케미칼용액19: nut 20: fixing bolt 21: chemical solution

22 : 와이어 23 : 받침판 24 : 파형 파이프22 wire 23 base plate 24 corrugated pipe

25 : 주입구25: injection hole

이러한 목적을 달성하기 위하여 본 발명은 노후된 건축 구조물에 콘크리트를 타설하여 보수 보강하는 공지의 것에 있어서, 상기 건축 구조물에 관통공을 형성하고 보수 보강될 면에 패널을 설치한 다음, 상기 관통공을 통하여 건축 구조물과 패널 사이로 콘크리트를 주입 양생시키며, 이어서 양생된 콘크리트에 긴장을 주어 기존 콘크리트와 신설 콘크리트의 부착력과 인장강도가 향상되도록 하는 건축 구조물의 보수 보강 공법을 제안한다.In order to achieve the above object, the present invention is known in the repair and reinforcement of concrete in the aging building structure, forming a through-hole in the building structure and installing a panel on the surface to be repaired, then through the through-hole We propose a repair and reinforcement method for building structures that injects and cures concrete between building structures and panels, and then gives tension to the cured concrete to improve adhesion and tensile strength of existing and new concrete.

이에 따라 본 발명은 기존 콘크리트와 신설 콘크리트의 부착력과 인장강도가 향상되어 보수 보강 효과가 장기간 우수하게 유지되고, 그 결과 건축물의 안전도와 내구연한이 증가된다.Accordingly, the present invention improves the adhesion and tensile strength of the existing concrete and the new concrete to maintain excellent reinforcement effect for a long time, as a result of which the safety and durability of the building is increased.

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 건축물의 보수 보강 공법을 도시한 공정도이고, 도 2는 본 발명에 의한 건축 구조물의 보수 보강 공정을 도시한 설명도이며, 도 3은 본 발명에 의한 보수 보강 공정에서 앵커볼트가 설치된 상태를 도시한 상세도이다.1 is a process chart showing a repair reinforcement method of the building according to the present invention, Figure 2 is an explanatory view showing a repair reinforcement process of the building structure according to the present invention, Figure 3 is an anchor in the repair reinforcement process according to the present invention Detailed illustration showing a state where the bolt is installed.

본 발명은 노후된 건축 구조물(10)에 패널(15)을 설치하고, 상기 건축 구조물(10)과 패널(15) 사이에 콘크리트를 타설하거나 그라우팅하여 양생시킨 후, 상기 콘크리트를 긴장시켜 보수 보강하는 것으로, 이러한 보수 보강 공법의 공정은 건축 구조물(10)에 관통공(13)을 형성하고 보수 보강될 면(11)에 삽입공(16)이 형성된 패널(15)을 설치하는 공정과, 앵커볼트(18)를 삽입공(16)과 관통공(13)에 삽입 관통시키고 보수 보강될 면(11)에 고정볼트(20)를 설치하며 이러한 고정볼트(20)에 패널(15)을 고정시키는 공정과, 관통공(13)을 통하여 건축 구조물(10)과 패널(15) 사이로 콘크리트를 주입 양생시키는 공정과, 파형파이프(24)의 내부를 몰탈로 충진 양생하는 공정과, 이면(12)에 돌출된 앵커볼트(18)를 제거시키는 공정으로 된다.The present invention is to install the panel 15 to the old building structure 10, and to cure by pouring or grouting the concrete between the building structure 10 and the panel 15, the tension to the concrete to repair and reinforcement The process of the repair reinforcement method is to form a through-hole 13 in the building structure 10 and to install the panel 15 with the insertion hole 16 formed on the surface 11 to be repaired reinforcement, anchor bolt ( 18) inserting into the insertion hole 16 and the through hole 13, and the fixing bolt 20 is installed on the surface 11 to be repaired and reinforced, and fixing the panel 15 to the fixing bolt 20 and , A process of injecting and curing concrete between the building structure 10 and the panel 15 through the through hole 13, a process of filling and curing the inside of the corrugated pipe 24 with mortar, and protruding from the rear surface 12. It becomes a process of removing the anchor bolt 18. FIG.

즉, 먼저 건축 구조물(10)의 보수 보강될 면(11)을 깨끗이 청소하고, 상기 이면(12)에서 보수 보강 면(11)으로 관통되는 관통공(13)을 형성하며, 보수 보강될 면(11)에 홈(14)을 형성하고 이러한 홈(14)에 철근(17)과 패널(15)을 지지하기 위한 고정볼트(20)를 삽입시킨 다음 케미칼용액(21)을 상기 홈(14)에 주입하여 경화시킨다.That is, first, the surface 11 to be repaired and reinforcement of the building structure 10 is cleaned, and the through hole 13 penetrating from the rear surface 12 to the repair and reinforcement surface 11 is formed, and the surface to be repaired and reinforced ( 11) the groove 14 is formed, and the fixing bolt 20 for supporting the reinforcing bar 17 and the panel 15 is inserted into the groove 14, and then the chemical solution 21 is inserted into the groove 14. Inject and cure.

이어서 보수 보강면(11)에 철근(17)을 일정 간격으로 배설하고, 앵커볼트(18)가 삽입된 파형 파이프(24)를 관통공(13)에 삽입시키며, 이어서 삽입공(16)이 형성된 패널을 구비하여 상기 패널(15)을 보수 보강면(11)에 설치하되, 상기 앵커볼트(18)의 일측 단부와 고정볼트(20)의 단부가 상기 삽입공(16)에 삽입 관통되도록 하여 너트(19)로 체결함으로써 패널(15)을 고정시키고, 앵커볼트(18)의 타측 단부는 이면(12)으로 돌출되도록 한다.Subsequently, the reinforcing bars 17 are disposed on the reinforcing reinforcement surface 11 at regular intervals, and the corrugated pipe 24 into which the anchor bolts 18 are inserted is inserted into the through hole 13, and then the insertion hole 16 is formed. The panel 15 is installed on the repair reinforcement surface 11 by having a panel, and one end of the anchor bolt 18 and the end of the fixing bolt 20 are inserted into the insertion hole 16 so that the nut The panel 15 is fixed by fastening to (19), and the other end of the anchor bolt 18 is projected to the rear surface 12.

이러한 공정으로 보수 보강을 위한 사전공정이 완료되며, 이어서 이면(12)에서 관통공(13)을 통하여 패널(15)과 건축 구조물(11) 사이에 콘크리트를 타설하거나 그라우팅하여 양생시키고, 이면(12)에 돌출된 앵커볼트(18)에 주입구(25)가 형성된 받침판(23)과 너트(19)를 차례로 끼운 상태에서 너트(19)를 조여 양생된 콘크리트를 긴장시킨 다음, 주입구(25)를 통하여 파형 파이프(24) 내측에 몰탈을 충진 양생한다.In this process, a preliminary process for repair reinforcement is completed, and then, by pouring or grouting concrete between the panel 15 and the building structure 11 through the through hole 13 on the back surface 12, and curing the back surface 12 ) Tighten the nut 19 while tightening the nut 19 in the state in which the supporting plate 23 having the injection hole 25 formed on the anchor bolt 18 protruding from the) and the nut 19 are sequentially inserted, and then through the injection hole 25. The mortar is filled and cured inside the corrugated pipe 24.

이어서 패널(15)과 이면(12)으로 돌출된 앵커볼트(18) 및 고정볼트(20)의 단부와, 너트(19) 및 받침판(23)을 제거하면 건축 구조물(10)의 보수 보강이 완료되는 것이다.Subsequently, the reinforcement of the building structure 10 is completed by removing the ends of the anchor bolts 18 and the fixing bolts 20 protruding from the panel 15 and the rear surface 12, the nut 19 and the support plate 23. Will be.

이때, 건축 구조물(10)과 패널(15) 사이에 다수의 철근(17)을 종, 횡방향으로 배열하고 고정볼트(20)에 결속시키는 것은 신설되는 콘크리트의 부착력을 증대시키고 건축 구조물(10)의 안전도와 내구연한을 더욱 증대시키기 위한 것이다. 또한 콘크리트를 타설 또는 양생시키고 양생된 콘크리트를 긴장시킨 후, 패널(15)을 제거하지 않고 이면(12)으로 돌출된 앵커볼트(18)의 단부와 너트(19) 및 받침판(23)만을 제거할 수 있다.In this case, arranging the plurality of reinforcing bars 17 in the longitudinal and lateral directions between the building structure 10 and the panel 15 and binding to the fixing bolt 20 increases the adhesion of the new concrete and the building structure 10. To further increase safety and durability. In addition, after the concrete is poured or cured and the cured concrete is tensioned, the end of the anchor bolt 18 and the nut 19 and the support plate 23 protruding to the rear surface 12 without removing the panel 15 can be removed. Can be.

특히, 이러한 공정에 의하여 보수 보강된 건축 구조물(10)은 신설 콘크리트와 기존 콘크리트간의 부착력이 증대될 뿐만 아니라 신설 콘크리트가 긴장되므로 구조적인 안전도가 향상되고, 내구연한이 증대되는 것이다.In particular, the building structure 10 repaired and reinforced by such a process is not only increases the adhesion between the new concrete and the existing concrete, but also increases the structural safety because the new concrete is tensioned, and durability is increased.

한편, 첨부한 도면 도 4는 본 발명에 의한 보수 보강 공법의 다른 실시예를 도시한 것으로, 건축 구조물(10)의 전체가 아닌 부분적인 면적을 국지적으로 보수 보강할 경우에 보수 보강될 부분에만 패널(15)을 설치하여 보수 보강하는 것이다.On the other hand, Figure 4 is a view showing another embodiment of the repair reinforcement method according to the present invention, the panel only to the part to be repaired reinforcement when locally repairing and reinforcing a partial area of the building structure 10, not the whole (15) to install and reinforce.

또한, 첨부한 도면 도 5는 본 발명에 의한 보수 보강 공법의 또 다른 실시예를 도시한 것으로, 신설되는 콘크리트의 긴장력을 더욱 향상시키기 위하여 건축 구조물(10)과 패널(15) 사이에 와이어(22)를 설치하되, 상기 와이어(22)의 단부는 건축 구조물(10)의 이면(12)에 고정되도록 한 것이다.In addition, Figure 5 shows another embodiment of the repair reinforcement method according to the present invention, the wire 22 between the building structure 10 and the panel 15 to further improve the tension of the new concrete ), But the end of the wire 22 is to be fixed to the rear surface 12 of the building structure (10).

이와 같이 와이어(22)가 설치된 후 관통공(13)을 통하여 콘크리트를 타설 또는 그라우팅하여 양생시킨 다음, 건축 구조물(10)의 이면(12)에서 상기 와이어(22)의 단부를 당겨 신설 콘크리트를 긴장시키고, 이어서 파형 파이프(24)의 내측을 몰탈로 충진한 후 이면(12)으로 돌출된 와이어(22)를 제거한다.After the wire 22 is installed as described above, the concrete is placed and cured through the through-hole 13, and the new concrete is tensioned by pulling the end of the wire 22 on the rear surface 12 of the building structure 10. Then, the inside of the corrugated pipe 24 is filled with mortar, and then the wire 22 protruding to the back surface 12 is removed.

이러한 공법은 신설 콘크리트에서 긴장력을 받는 부분이 앵커볼트(18)를 이용하여 긴장시키는 것보다 넓으므로 긴장력이 우수하게 된다. 따라서 하중이 집중되는 보나 기둥 등을 보수 보강할 때 적합한 시공방법이다.This method is excellent in tension because the portion under tension in the new concrete is wider than the tension using the anchor bolt (18). Therefore, it is a suitable construction method when repairing and reinforcing beams or columns where load is concentrated.

상기한 바와 같이 본 발명은 건축 구조물에 관통공을 형성하고 보수 보강될 면에 패널을 설치한 다음, 상기 관통공을 통하여 건축 구조물과 패널 사이로 콘크리트를 주입 양생시키며, 이어서 양생된 콘크리트에 긴장을 주어 보수 보강하는 공법에 관한 것으로, 시공이 용이하고 기존 콘크리트와 신설 콘크리트의 부착력이 장기간동안 양호하게 유지되며, 이에 따라 노후 건축물의 안전도와 내구연한이 향상되는 등의 유용한 효과가 있다.As described above, the present invention forms a through hole in the building structure and installs a panel on the surface to be repaired and reinforced, and then injects and cures concrete between the building structure and the panel through the through hole, and then gives tension to the cured concrete. The present invention relates to a repairing and reinforcing method, which is easy to construct, and maintains good adhesion strength between existing concrete and new concrete for a long time, thereby improving usefulness and durability of old buildings.

Claims (4)

노후된 건축 구조물(10)에 콘크리트를 타설하여 보수 보강하는 공지의 것에 있어서,In the well-known thing which rebuilds concrete by pouring concrete to the old building structure 10, 건축 구조물(10)에 관통공(13)을 형성하고 보수 보강될 면(11)에 삽입공(16)이 형성된 패널(15)을 설치하는 공정과, 앵커볼트(18)와 파형 파이프(24)를 삽입공(16)과 관통공(13)에 삽입 관통시키고 관통공(13)을 통하여 건축 구조물(10)과 패널(15) 사이로 콘크리트를 주입 양생시키는 공정과, 앵커볼트(18)에 설치된 너트(19)를 조여 신설 콘크리트를 긴장시키는 공정과, 파형 파이프(24)의 내측을 몰탈로 충진시키는 공정과, 이면(12)에 돌출된 앵커볼트(18)를 제거시키는 공정으로 됨을 특징으로 하는 건축 구조물의 보수 보강 공법.Forming the through hole 13 in the building structure 10 and installing the panel 15 having the insertion hole 16 formed on the surface 11 to be repaired and reinforced, and the anchor bolt 18 and the corrugated pipe 24. Inserting into the insertion hole 16 and the through hole 13 and injecting and curing concrete between the building structure 10 and the panel 15 through the through hole 13, and the nut installed in the anchor bolt 18. (19) tightening the new concrete, filling the inside of the corrugated pipe 24 with mortar, and removing the anchor bolts 18 protruding from the rear surface 12. Repair reinforcement method of structure. 제 1 항에 있어서,The method of claim 1, 고정볼트(20)의 단부가 삽입공(16)에 삽입 관통되며 건축 구조물(10)에 고정되어 패널(15)이 지지되도록 함을 특징으로 하는 건축 구조물의 보수 보강 공법.An end of the fixing bolt 20 is inserted into the insertion hole 16 and fixed to the building structure 10 so that the panel 15 is supported. 제 1 항에 있어서,The method of claim 1, 건축 구조물(10)과 패널(15) 사이에 다수의 철근(17)을 배열하여 결속시킴을 특징으로 하는 건축 구조물의 보수 보강 공법.Repair and reinforcement method of the building structure, characterized in that by binding the plurality of reinforcing bar (17) arranged between the building structure (10) and the panel (15). 제 1 항에 있어서,The method of claim 1, 건축 구조물(10)과 패널 사이에 와이어(22)를 설치하고 상기 와이어(22)의 단부가 건축 구조물(10)의 이면(12)에 고정되도록 함을 특징으로 하는 건축 구조물의 보수 보강 공법.Repairing reinforcement method of the building structure, characterized in that the wire 22 is installed between the building structure and the panel and the end of the wire (22) is fixed to the rear surface (12) of the building structure (10).
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CN105863294A (en) * 2016-05-31 2016-08-17 浙江大学 Composite anchor rod device and method for fastening cross section by using anchor rod device in anchoring manner
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KR100461492B1 (en) * 2002-02-15 2004-12-13 배석동 Maintenace and Reinforce Engineering Method of Structure Under Ground
CN105863294A (en) * 2016-05-31 2016-08-17 浙江大学 Composite anchor rod device and method for fastening cross section by using anchor rod device in anchoring manner
CN106013833A (en) * 2016-05-31 2016-10-12 浙江大学 Anchor rod device and method for reinforcing section through anchoring of anchor rod device
CN106049893A (en) * 2016-05-31 2016-10-26 浙江大学 Extendable anchor rod device and method for reinforcing section through anchoring of anchor rod device

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