KR100922386B1 - Reinforcement method of masonry wall - Google Patents

Reinforcement method of masonry wall Download PDF

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KR100922386B1
KR100922386B1 KR1020070128450A KR20070128450A KR100922386B1 KR 100922386 B1 KR100922386 B1 KR 100922386B1 KR 1020070128450 A KR1020070128450 A KR 1020070128450A KR 20070128450 A KR20070128450 A KR 20070128450A KR 100922386 B1 KR100922386 B1 KR 100922386B1
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wall
masonry wall
reinforcement
masonry
concrete
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KR1020070128450A
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KR20090061437A (en
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양재상
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양재상
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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
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38—Connections for building structures in general
    • E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
    • E04B1/4178—Masonry wall ties
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • E04B2002/0202—Details of connections
    • E04B2002/0243—Separate connectors or inserts, e.g. pegs, pins or keys

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Mechanical Engineering (AREA)
  • Working Measures On Existing Buildindgs (AREA)

Abstract

본 발명은 건물의 손상을 최소화하면서 조적벽체의 보강은 물론 미관까지 개선할 수 있도록 구성된 조적벽체의 보강공법에 관한 것으로, 조적벽체를 이루는 벽돌들 사이의 줄눈 부분 일지점을 천공하여 콘크리트 벽체 내부까지 연결된 관통공을 형성하고, 상기 관통공의 내부에 에폭시 수지를 주입한 후, 상기 관통공의 내부의 내경에 나사산이 형성된 앵커볼트를 삽입하고, 관통공이 형성된 줄눈 외부에 와셔를 댄 후, 앵커볼트 내로 보강볼트를 삽입하여 체결함으로써 이루어지는 보강심을 조적벽체의 벽면을 따라 규칙적으로 형성하여, 조적벽체의 벽돌 하중이 콘크리트벽에 분산 지지되도록 하는 것을 특징으로 한다.The present invention relates to a reinforcement method of a masonry wall configured to improve the aesthetics of the masonry wall while minimizing damage to the building. The present invention relates to the interior of a concrete wall by drilling a joint point between the bricks forming the masonry wall. After forming the connected through holes, injecting epoxy resin into the inside of the through holes, inserting an anchor bolt with a screw thread into the inner diameter of the through holes, putting a washer on the outside of the joint where the through holes are formed, and then anchor bolts The reinforcing core formed by inserting and tightening the reinforcing bolt into the regularly formed along the wall surface of the masonry wall is characterized in that the brick load of the masonry wall is distributed and supported on the concrete wall.

보강, 조적벽, 콘크리트벽, 앵커볼트, 에폭시 Reinforcement, Masonry, Concrete Wall, Anchor Bolt, Epoxy

Description

조적벽체 보강공법{REINFORCEMENT METHOD OF MASONRY WALL}Masonry Reinforcement Method {REINFORCEMENT METHOD OF MASONRY WALL}

본 발명은 조적벽체의 보강공법에 관한 것으로, 보다 상세하게는 건물의 손상을 최소화하면서 조적벽체의 보강은 물론 미관까지 개선할 수 있도록 구성된 조적벽체의 보강공법에 관한 것이다.The present invention relates to a reinforcement method of the masonry wall, and more particularly to a reinforcement method of the masonry wall configured to improve the aesthetics as well as reinforcement of the masonry wall while minimizing damage to the building.

콘크리트로 된 내력벽의 외부에 미관을 위해 치장 벽돌을 쌓는 조적공사시에는, 각층마다 하단에 콘크리트로 구들턱이나 금속 브라켓을 설치하고, 그 위에 벽돌을 쌓아 콘크리트 턱이나 금속 브라켓이 벽돌의 수직하중을 부담하여 본체 구조물로 전달되도록 하는 것이 원칙이다.In the construction of stacking bricks for aesthetics on the exterior of concrete bearing walls, concrete floors have metal jaws or metal brackets at the bottom, and bricks are stacked on top of each other so that concrete jaws or metal brackets It is the principle that it should be delivered to the main structure.

그러나 이렇게 콘크리트 턱을 별도로 형성시키는 작업은 상당히 번거롭기 때문에, 대부분 공사업자들이 제대로 시공하지 않고 있으며, 이로 인해 시간이 지날수록 치장 벽돌의 자체 하중에 의해 조적벽체의 침하 및 균열발생, 배부름 현상 등의 하자가 발생하고, 심할 경우에는 외부의 치장 벽돌들이 탈락하여 안전사고를 유발하는 경우도 발생하게 된다.However, the work of separately forming the concrete jaws is quite cumbersome, and most construction companies are not properly constructing them, and as a result, over time, such as settlement and cracking of the masonry wall due to the self-load of the stucco, Defects occur and, in severe cases, the exterior decorative bricks may fall off causing safety accidents.

이러한 문제점을 개선하기 위해, 조적벽체의 보수 내지는 보강을 위한 공법들이 개발되고 있다.In order to solve this problem, methods for repairing or reinforcing masonry walls have been developed.

예컨대, 한국특허 제382299호에는 조적벽체의 일부 외부벽돌을 철거하고, 그 철거한 자리에 철근과 무수축 모르타르로 이루어진 콘크리트 브라켓을 콘크리트보에 캔틸레버형으로 구조형성하여 조적벽체의 수직 자하중을 효율적으로 콘크리트 본체 구조물로 전달할 수 있도록 한 조적벽체의 보강공법이 개시되어 있다.  For example, Korean Patent No. 382299 removes a part of an external brick of a masonry wall, and forms a concrete bracket made of reinforcing bars and non-contraction mortar in a cantilevered shape on a concrete beam to effectively remove the vertical self load of the masonry wall. The reinforcement method of the masonry wall is disclosed to be able to transfer to the concrete body structure.

그런데, 이 공법에 의하면, 기존벽돌과 내부의 단열재를 철거하고, 콘크리트보에 앵커철근을 삽입설치한 후, 기존벽돌을 제거한 벽돌구멍에 거푸집을 설치하고, 모르타르를 주입하고 양생시켜 콘크리트 브라켓을 형성하고, 표면처리를 하여 보강브라켓을 형성시키는 등의 여러 단계를 거쳐 보강공사가 이루어지기 때문에, 그 과정이 매우 복잡하고 시간이 오래 걸린다는 단점이 있다.However, according to this method, after removing the existing brick and the internal insulation, insert the anchor reinforcement into the concrete beam, install the formwork in the brick hole from which the existing brick is removed, inject and cure the mortar to form a concrete bracket And, since the reinforcement work is made through several steps, such as forming a reinforcement bracket by surface treatment, the process is very complicated and takes a long time.

본 발명은 상기와 같은 종래 기술의 문제점을 해결하기 위해 이루어진 것으로서, 간단한 방법에 의해 건물(내력벽)의 손상을 최소화하면서 조적벽체의 보강은 물론 미관까지 개선할 수 있도록 구성된 조적벽체의 보강공법을 제공하는 것을 목적으로 한다.The present invention has been made to solve the problems of the prior art as described above, and provides a reinforcement method of the masonry wall configured to improve not only the reinforcement of the masonry wall but also aesthetics while minimizing damage to the building (bearing wall) by a simple method. It aims to do it.

상기 목적을 달성하기 위한 본 발명의 구성은,The configuration of the present invention for achieving the above object,

콘크리트 벽체의 내측 또는 외측에 형성된 치장용 조적벽체의 자체 하중에 의한 변형을 방지하기 위한 조적벽체의 보강공법에 있어서,In the reinforcement method of the masonry wall to prevent deformation caused by the self load of the decorative masonry wall formed on the inside or outside of the concrete wall,

조적벽체를 이루는 벽돌들 사이의 줄눈 부분 일지점을 천공하여 콘크리트 벽체 내부까지 연결된 관통공을 형성하고, 상기 관통공의 내부에 에폭시 수지를 주입한 후, 관통공의 내부의 내경에 나사산이 형성된 앵커볼트를 삽입하고, 관통공이 형성된 줄눈 외부에 와셔를 댄 후, 앵커볼트 내로 보강볼트를 삽입하여 앵커볼트와 나사 체결함으로써 이루어지는 보강심을 조적벽체의 벽면을 따라 규칙적으로 형성하여, 조적벽체의 벽돌 하중이 콘크리트벽에 분산 지지되도록 하는 것을 특징으로 한다.After drilling a joint point between the bricks forming the masonry wall to form a through hole connected to the inside of the concrete wall, injecting an epoxy resin into the inside of the through hole, a screw thread formed in the inner diameter of the through hole After inserting the bolt, attaching the washer to the outside of the joint where the through hole is formed, reinforcing core formed by inserting the reinforcing bolt into the anchor bolt and screwing it with the anchor bolt is formed regularly along the wall surface of the masonry wall, Characterized in that distributed support to the concrete wall.

따라서 본 발명의 공법에 따르면, 조적벽체와 콘크리트벽체 간을 연결하는 앵커볼트가 콘크리트 벽체 내부까지 관통된 관통공 내에서 에폭시 수지에 의해 견고하게 고정되어, 앵커볼트가 내력이 있는 콘크리트 벽체에 의해 지지된 상태에서 앵커볼트 내에 보강볼트를 삽입하여 나사체결방식에 의해 체결하게 된다. 따라서, 본 발명에 따른 보강공법에 의하면, 앵커볼트와 보강볼트를 포함한 보강심이 콘크리트벽체에 견고하게 고정된 상태에서 조적벽체의 벽돌 하중을 지지해 줌으로써 조적벽체의 자체 하중에 의한 변형을 방지하여 조적벽체를 보강할 수 있게 된다.Therefore, according to the method of the present invention, the anchor bolt connecting between the masonry wall and the concrete wall is firmly fixed by epoxy resin in the through hole penetrated to the inside of the concrete wall, so that the anchor bolt is supported by the concrete wall having a bearing capacity The reinforcing bolt is inserted into the anchor bolt in the fastened state, and is fastened by screwing. Therefore, according to the reinforcement method according to the present invention, by supporting the brick load of the masonry wall in the state that the reinforcement core including the anchor bolt and the reinforcing bolt is firmly fixed to the concrete wall to prevent deformation by the self load of the masonry wall The wall can be reinforced.

특히, 상기 보강볼트와 조적벽체의 줄눈에 형성된 관통공 사이에는 와셔가 개재되어 보강볼트 체결시의 압력을 분산시켜 전달하기 때문에 보강심 설치에 따른 조적벽체 자체의 부분적인 손상도 최대한 억제될 수 있다.In particular, since the washer is interposed between the reinforcing bolt and the through hole formed at the joint of the masonry wall, the pressure at the time of tightening the reinforcing bolt is distributed and transmitted, so that partial damage of the masonry wall itself due to the installation of the reinforcing core can be suppressed as much as possible. .

본 발명의 공법에 따르면 간단한 구조와 시공공정에 의해 조적벽체를 견고하게 보강할 수 있을 뿐만 아니라, 조적벽체의 보강에 따른 콘크리트 벽체의 손상도 최소화할 수 있다.According to the method of the present invention can not only firmly reinforce the masonry wall by a simple structure and construction process, it is also possible to minimize the damage of the concrete wall due to the reinforcement of the masonry wall.

또한, 규칙적인 형태로 배열된 보강심의 상부에 보호 캡을 씌워 줌으로써 장식적인 효과가 부가되어 보강공사에 의해 오히려 벽체의 미관을 개선할 수 있는 효과가 있다. In addition, by applying a protective cap to the upper portion of the reinforcement core arranged in a regular form has a decorative effect is added to the effect of improving the aesthetics of the wall rather by reinforcement work.

이하, 첨부된 도면을 참조하여 본 발명에 따른 조적벽체 보강공법에 대해 좀 더 상세하게 설명한다.Hereinafter, with reference to the accompanying drawings will be described in more detail for the masonry wall reinforcement method according to the present invention.

도 1은 본 발명에 따른 조적벽체 보강공법이 시공된 구조물의 단면도이고, 도 2는 본 발명에 따른 조적벽체 보강공법의 시공순서를 순차적으로 도시한 공정도이며, 도 3은 본 발명에 따른 조적벽체 보강공법에 의해 보강된 벽면의 외형도로 서, 이하, 이들 도면을 참조하여 설명한다.1 is a cross-sectional view of a structure in which the masonry wall reinforcement method is constructed according to the present invention, and FIG. 2 is a process diagram sequentially illustrating a construction procedure of the masonry wall reinforcement method according to the present invention, and FIG. 3 is a masonry wall according to the present invention. As an external view of the wall surface reinforced by the reinforcement method, it demonstrates below with reference to these drawings.

본 발명에 따른 조적벽체 보강공법은, 도 1에서 보는 것과 같이 콘크리트 벽체(20)의 외부 또는 내부에 치장 벽돌(31)을 쌓아올린 형태의 이른바 조적벽체(30)에 있어서, 벽돌(31)의 자체 하중에 의해 조적벽체(30)가 수직방향으로 변형이 일어나는 현상을 방지하기 위하여 실시되는 것으로서, 조적벽체(30)를 구성하는 벽돌(31)들 사이의 줄눈(32)부분에 보강심(10)을 형성함으로써 이루어진다.In the masonry wall reinforcing method according to the present invention, in the so-called masonry wall 30 of the form in which the stucco bricks 31 are stacked on the outside or inside of the concrete wall 20, as shown in FIG. It is carried out to prevent the phenomenon that the masonry wall 30 is deformed in the vertical direction by its own load, and the reinforcement core 10 is provided at the joint 32 between the bricks 31 constituting the masonry wall 30. By forming).

도 2를 참조하여 상기 보강심(10)을 형성하는 과정을 설명하면, 먼저 (가)와 같은 상태의 보강대상이 되는 시공물에 대해, (나)에서와 같이 조적벽체(30)의 벽돌(31)들 사이를 메운 줄눈(32) 부분 일지점을 천공하여 콘크리트 벽체(20) 내부까지 연결된 관통공(11)을 형성한다. Referring to FIG. 2, the process of forming the reinforcing core 10 will be described first. As shown in (b), the brick of the masonry wall 30 is constructed with respect to the construction object to be reinforced in the same state as (a). 31 through one of the joint 32 portion filled between the holes to form a through hole 11 connected to the inside of the concrete wall (20).

그 후, (다)에서와 같이 상기 관통공(11) 내로 에폭시 수지(12)를 주입한 후, (라)에서와 같이 에폭시 수지(12)가 주입된 관통공(11)내에 내경에 나사산(13a)이 형성된 앵커볼트(13)를 삽입한다. Thereafter, the epoxy resin 12 is injected into the through hole 11 as shown in (c), and then a screw thread is formed in the through hole 11 into which the epoxy resin 12 is injected as shown in (d). Insert the anchor bolt 13 formed 13a).

다음으로, (마)에서와 같이 관통공(11)이 형성된 줄눈(32) 외부에 와셔(14)를 댄 후, (바)에서와 같이 앵커볼트(13) 내부에 보강볼트(15)를 삽입하여 나사 체결방식에 의해 앵커볼트와 보강볼트를 결합하여 보강심(10)을 완성하게 된다.Next, after attaching the washer 14 to the outside of the joint 32 in which the through-hole 11 is formed, as in (e), insert the reinforcing bolt 15 into the anchor bolt 13 as in (bar). By combining the anchor bolt and the reinforcement bolt by the screw fastening method to complete the reinforcement core (10).

이렇게 완성된 보강심(10)은, 에폭시 수지(12)가 굳으면서 앵커볼트(13)가 콘크리트 벽체(20)에 견고하게 고정된 상태에서 콘크리트벽체(20)와 조적벽체(30)간을 관통하여 보강볼트(15)와 일체화된 형태로 이루어지기 때문에, 앵커볼트(13)를 콘크리트 벽체(20)에 고정시키기 위해 물리적인 외력을 가하지 않아 콘크리트 벽체(20)의 물리적 손상을 최소화하여 건물 전체에 영향을 미치지 않고 조적벽체(30)의 보강이 가능하게 되는 것이다. 또한, 보강볼트(15)로 강하게 조여주더라도 와셔(14)가 힘을 분산시켜 일점에 과도하게 외력이 가해지지 않게 되기 때문에 보강공사에 의해 조적벽체의 부분적이 손상이 일어나는 일도 방지할 수 있게 된다.The reinforcement core 10 thus completed penetrates between the concrete wall 20 and the masonry wall 30 in a state where the anchor bolt 13 is firmly fixed to the concrete wall 20 while the epoxy resin 12 is hardened. Since it is made in the form of the reinforcement bolt 15 is integrated, the external bolt is not applied to fix the anchor bolt 13 to the concrete wall 20 to minimize the physical damage of the concrete wall 20 to the entire building It is possible to reinforce the masonry wall 30 without affecting. In addition, even if tightly tightened by the reinforcing bolt 15, because the washer 14 distributes the force so that the external force is not excessively applied to one point, it is also possible to prevent the partial damage of the masonry wall caused by the reinforcement work.

한편, 상기 보강심(10)은 도 3에서 보는 것과 같이 상부 벽돌의 밑변과 하부 2개 벽돌의 모서리가 만나는 부위의 줄눈(32) 부위에 형성하되, 보강심(10)이 전체적으로 지그재그형태로 배열되도록 하여, 조적벽체의 벽면 전체가 고르게 힘이 분산되도록 하여 더욱 우수한 보강효과를 얻을 수 있게 한다.On the other hand, the reinforcement core 10 is formed in the joint 32 of the area where the bottom side of the upper brick and the edge of the lower two bricks as shown in Figure 3, the reinforcement core 10 is arranged in a zigzag shape as a whole As a result, the entire wall surface of the masonry wall is evenly distributed with the force to obtain a better reinforcement effect.

또한 상술한 것과 같이 규칙적으로 배열된 보강심(10)은 와셔(14)와 보강볼트(15)가 장식적인 효과를 나타내기 때문에 보강공사에 의해 오히려 조적벽의 미관이 개선된다. In addition, the reinforcement core 10 regularly arranged as described above, because the washer 14 and the reinforcing bolt 15 has a decorative effect, rather than the aesthetics of the masonry wall is improved by the reinforcement work.

또한, 도 1에서와 같이 보강볼트의 머리부분에 보호 캡(15')을 씌워주면 볼트머리가 녹이 스는 현상도 방지하고 더욱 개선된 미관을 얻을 수 있다. In addition, if the protective cap (15 ') is put on the head of the reinforcing bolt as shown in Figure 1 can also prevent the phenomenon of rusted bolt head and obtain a more improved aesthetics.

(도면에서 미설명 부호 40은 콘크리트 벽체와 조적벽체 사이에 시공된 단열재를 나타낸다.)(In the drawing, reference numeral 40 denotes an insulating material constructed between the concrete wall and the masonry wall.)

도 1은 본 발명에 따른 조적벽체 보강공법이 시공된 구조물의 단면도이고,1 is a cross-sectional view of a structure in which the masonry wall reinforcement method according to the present invention is constructed,

도 2는 본 발명에 따른 조적벽체 보강공법의 시공순서를 순차적으로 도시한 공정도이며, 2 is a process chart sequentially showing the construction sequence of the masonry reinforcement method according to the invention,

도 3은 본 발명에 따른 조적벽체 보강공법에 의해 보강된 벽면의 외형도이다.3 is an external view of a wall surface reinforced by a masonry wall reinforcement method according to the present invention.

*** 도면의 주요부분에 대한 부호의 설명 ****** Explanation of symbols for main parts of drawing ***

10: 보강심 11: 관통공10: reinforcement core 11: through hole

12: 에폭시 수지 13: 앵커 볼트12: epoxy resin 13: anchor bolt

14: 와셔 15: 보강볼트14 washer 15: reinforcing bolt

20: 콘크리트 벽체 30: 조적벽체20: concrete wall 30: masonry wall

31: 벽돌 32: 줄눈31 brick 32 joint

Claims (3)

콘크리트 벽체의 내측 또는 외측에 형성된 치장용 조적벽체의 자체 하중에 의한 변형을 방지하기 위한 조적벽체의 보강공법에 있어서,In the reinforcement method of the masonry wall to prevent deformation caused by the self load of the decorative masonry wall formed on the inside or outside of the concrete wall, 조적벽체를 이루는 벽돌들 사이의 줄눈 부분 일지점을 천공하여 콘크리트 벽체 내부까지 연결된 관통공을 형성하고, 상기 관통공의 내부에 에폭시 수지를 주입한 후, 상기 관통공의 내부의 내경에 나사산이 형성된 앵커볼트를 삽입하고, 관통공이 형성된 줄눈 외부에 와셔를 댄 후, 앵커볼트 내로 보강볼트를 삽입하여 체결함으로써 이루어지는 보강심을 조적벽체의 벽면을 따라 규칙적으로 형성하여, 조적벽체의 벽돌 하중이 콘크리트벽에 분산 지지되도록 하는 것을 특징으로 하는 조적벽체 보강공법.After forming a through hole connected to the inside of the concrete wall by drilling a joint portion between the bricks forming the masonry wall, and injecting an epoxy resin into the through hole, a thread is formed in the inner diameter of the through hole. Insert the anchor bolt, place the washer on the outside of the joint where the through hole is formed, and then form the reinforcement core regularly along the wall surface of the masonry wall by inserting and tightening the reinforcement bolt into the anchor bolt. Masonry wall reinforcement method characterized in that to be distributedly supported. 제 1항에 있어서, 상기 보강심은 상부 벽돌의 밑변과 하부 2개 벽돌의 모서리가 만나는 부위의 줄눈 부위에 형성하는 것을 특징으로 하는 조적벽체 보강공법. The method of claim 1, wherein the reinforcing core is formed on the joint portion of the area where the bottom edge of the upper brick and the edge of the lower two bricks. 제 1항 또는 제 2항에 있어서, 상기 보강심이 지그재그형태로 배열되도록 시공하는 것을 특징으로 하는 조적벽체 보강공법.3. The method according to claim 1 or 2, wherein the reinforcing cores are arranged in a zigzag form.
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KR20200142352A (en) 2019-06-12 2020-12-22 신성한 Anti-seismic reinforcing structure for preventing collapse of a masonry wall and a finishing structure for preventing collapse of the masonry wall having the same
KR102112282B1 (en) * 2019-07-10 2020-05-18 정성찬 Brick set and wall structure
KR102168947B1 (en) * 2020-04-01 2020-10-22 남용희 A method of reinforcing the outer wall of a building by using reinforcemant wire
KR102368708B1 (en) 2021-08-17 2022-02-28 (주)신개산업 A method for seismic reinforcing of bricks wall and aseismatic reinforcing device

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