KR102409932B1 - Reinforcement method for face brick of building - Google Patents

Abstract

In the stucco brick reinforcement method of a building, a stucco brick reinforcement method with excellent performance in preventing the departure of stucco bricks that may occur due to external loads such as earthquakes and typhoons by reducing the mortar gap between the hardware and the stucco bricks and improving the adhesion performance started do. The present invention provides a method for reinforcing stucco bricks in a building, comprising the steps of: (a) dismantling at least two levels of stucco bricks; (b) fixing to the wall a T-shaped hardware including a fixing part fixed to the wall, an extensible part protruding in the lateral direction of the wall, and an anchor hole formed in the extensible part; (c) fixing the first anchor to the anchor hole so as to protrude in the vertical direction of the protruding part; (d) installing a stucco brick by inserting a hole in the stucco brick having a hole formed therein into the first anchor; And (e) pouring a mortar to fasten the stucco brick, the anti-inner part, the anchor hole, and the first anchor; provides a stucco reinforcement method comprising a.

Description

Reinforcement method for face brick of building

The present invention relates to a method for reinforcing a stucco of a building, and more particularly, to a method for reinforcing a stucco for preventing the detachment of a stucco that may be caused by an external load.

Currently, the exterior finishing of houses, public facilities, and educational facilities in Korea is mostly made of stucco, and in the case of school facilities, stucco has been used as an exterior finishing material since the early 1900s.

In particular, it has been reported that stucco bricks that have been constructed for more than 30 years account for about 23% of all facilities in kindergartens, elementary, middle, and high schools, and safety has not been properly verified with the exception of some.

Recently, it has been proven that the risk of stucco bricks falling off or collapsing due to earthquakes in Pohang and Gyeongju is quite high, and it is pointed out that the government should recommend the reinforcement of stucco bricks.

Most of the reinforcing bricks of conventional stucco bricks are L-shaped, so it is possible to reinforce the stucco bricks, but when dismantling the existing bricks, it was difficult to cope with the sagging of the upper bricks, and the protruding part could not bear the load.

[Prior literature]

- Korean Patent Registration No. 10-15130668 (2015.04.13.)

- Korean Patent Publication No. 10-2020-0140767 (2020.12.16.)

- Korean Patent Registration No. 10-2179190 (2020.11.10.)

- Korean Patent Registration No. 10-2246708 (2021.04.26.)

The present invention is a method of reinforcing a stucco brick in a building, reducing the gap between the mortar between the hardware and the stucco brick and improving the adhesion performance, thereby reinforcing the stucco brick with excellent performance in preventing the detachment of the stucco brick that may be caused by external loads such as earthquakes and typhoons I would like to present a technique.

In order to solve the above problems, the present invention provides a method of reinforcing a stucco of a building, comprising the steps of: (a) dismantling at least two levels of stucco; (b) fixing to the wall a T-shaped hardware including a fixing part fixed to the wall, an extensible part protruding in the lateral direction of the wall, and an anchor hole formed in the extensible part; (c) fixing the first anchor to the anchor hole so as to protrude in the vertical direction of the protruding part; (d) installing a stucco brick by inserting a hole in the stucco brick having a hole formed therein into the first anchor; And (e) pouring a mortar to fasten the stucco brick, the inner mime portion, the anchor hole and the first anchor; provides a stucco reinforcement method comprising a.

In addition, the fixing part provides a stucco reinforcement construction method, characterized in that the plate-shaped, fixed to the wall using a second anchor.

In addition, the anchor hole has a width formed in the lateral direction of the wall and a length formed in a direction parallel to the wall, and is formed at regular intervals in the inner portion, and the width is narrower than the length. provides

In addition, the first anchor consists of a bolt having a screw thread and two nuts having a diameter larger than the width of the anchor hole. It provides a stucco reinforcement construction method, characterized in that by assembling from, and semi-fixing the first anchor to the anchor hole.

In addition, the insertion of the stucco into the first anchor is made at the overlapping portion of each hole formed in the two-stage stucco, and the first anchor semi-fixed to the anchor hole according to the position and clearance of the overlapping portion. It provides a stucco brick reinforcement method, characterized in that moving along the length of the anchor hole.

In addition, the inner part provides a stucco reinforcement construction method, characterized in that the attachment hole for attachment between the stucco bricks according to the mortar pouring is formed in a part except for the anchor hole.

In addition, in any step between step (a) and step (e), (f) fixing the supporting hardware for preventing the sagging of the stucco brick adjacent to the upper part of the T-shaped hardware to the wall; further comprising It provides a stucco brick reinforcement method, characterized in that.

In addition, the supporting hardware is a horizontal hardware coupled to the auxiliary T-type hardware fixed to the wall, and provides a stucco brick reinforcement method, characterized in that the horizontal hardware protrudes in the lateral direction of the wall.

According to the present invention, in the stucco brick reinforcement method of a building, the T-type hardware for reinforcement is installed on the existing load-bearing wall, and the longitudinal bricks are interconnected by using the anchor hole and the dedicated anchor formed in the resistance-resistant part. It is possible to provide a stucco brick reinforcement construction method with improved performance for preventing the detachment of bricks that may be caused by external loads such as earthquakes and typhoons.

In addition, by fixing the T-type hardware to structural members such as load-bearing walls, and forming anchor holes and attachment holes in the inner part of the T-type hardware, the mortar gap between the hardware and the stucco brick is reduced and the attachment performance is improved. can do.

In addition, anchors are inserted and fixed at the overlapping portions of the holes formed in the two-stage stucco bricks to prevent the stucco bricks from falling off due to pulling. It can be moved left and right between the holes of the

In addition, it is possible to fix the T-shaped hardware and supporting hardware immediately after dismantling the deteriorated stucco brick using a tabletting tool capable of firing, so that the reinforcement method can be stably performed.

1 is a flowchart summarizing the method for reinforcing stucco bricks of a building according to the present invention.
2 and 3 are views showing a state in which hardware and anchors are installed after dismantling the existing stucco in the stucco brick reinforcement construction method of a building according to an embodiment of the present invention.
4 is a view showing a state in which a new stucco brick is installed after a hardware and an anchor are installed in the stucco brick reinforcement construction method of a building according to an embodiment of the present invention.
5 is a front schematic view for explaining a state in which the first anchor is fixed to the inner strength part in the stucco brick reinforcement construction method of a building according to an embodiment of the present invention.
6 is a schematic plan view illustrating a state in which the first anchor moves along the anchor hole in the stucco brick reinforcement construction method of a building according to an embodiment of the present invention.
7 is a schematic plan view illustrating a position at which a first anchor is inserted into a new stucco brick of two stages in a method for reinforcing a stucco brick of a building according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In describing the present invention, if it is determined that a detailed description of a related known technology may obscure the gist of the present invention, the detailed description thereof will be omitted. In order to clearly explain the present invention in the drawings, parts irrelevant to the description are omitted, and similar reference numerals are given to similar parts throughout the specification, and the detailed configuration direction of the present invention will be described with reference to the drawings. Also, throughout the specification, when a part "includes" a certain component, it means that other components may be further included, rather than excluding other components, unless otherwise stated.

1 is a flowchart summarizing the method of reinforcing a stucco of a building according to the present invention, and FIGS. 2 and 3 are a method of reinforcing a stucco of a building according to an embodiment of the present invention, after dismantling the existing stucco bricks, hardware and anchors are installed 4 is a view showing a state in which a new stucco brick is installed after the hardware and anchor are installed in the stucco brick reinforcement construction method of a building according to an embodiment of the present invention.

1 to 4, the stucco brick reinforcement construction method of a building according to the present invention is (a) the stucco brick dismantling step (S110), (b) the T-shaped hardware fixing step (S120), (c) the anchor hole 1 including anchor fixing step (S130), (d) stucco brick installation step (S140) and (e) mortar pouring and fastening step (S150).

The (a) stucco brick dismantling step (S110) is a step of dismantling the deteriorated stucco brick (B), and the dismantling method is not particularly limited. intends to dismantle it. For example, in the case of dismantling the two-stage stucco brick (B), the T-shaped hardware 100 may be used as a fixed hardware, and in the case of dismantling the three-stage stucco brick (B), the T-shaped hardware 100 and the supporting hardware. 200 may be used, and a detailed description will be given later. On the other hand, even in the case of dismantling the two-stage stucco brick (B), it is of course possible to selectively apply the supporting hardware 200 together with the T-shaped hardware 100 .

The (b) step (S1200 is a step of fixing the T-shaped hardware 100 to the part where the stucco brick (B) is dismantled, the T-shaped hardware 100 is a fixing part 110 fixed to the wall (W), The wall (W) includes an anchor hole 130 formed in the light-resistant portion 120 and the light-resistant portion 120 protruding in the lateral direction.

In the present invention, by excluding the L-shape used for reinforcing the conventional stucco brick and adopting the T-shaped hardware 100, the load-bearing force of the protruding part is increased, and the performance of preventing damage and separation of the bricks that may be caused by external loads. can be improved

The fixing part 110 may be fixed to the wall W using the second anchor 111 as a plate shape. The fixing method is not particularly limited, and for example, it can be fixed to the load-bearing wall W, etc. using a keying tool capable of firing, etc. It acts as a weight bearing.

The extensible part 120 may be integrally formed with the fixing part 110 , and provides a space into which the stucco brick NB is inserted while supporting the newly installed stucco brick NB.

An anchor hole 130 is formed in the inner portion 120 , and the anchor hole 130 provides a space for fixing the first anchor 140 , and mortar between the hardware 100 and the stucco brick NB. It reduces the gap and improves the adhesion performance.

The anchor hole 130 may be formed in the middle portion of the inner portion 120. Specifically, the anchor hole 130 has a width L1 formed in the lateral direction of the wall W and a direction parallel to the wall W. It has a length (L2) formed as a doedoe formed at regular intervals in the inner portion 120, the width (L1) may be a narrower rectangle than the length (L2).

The step (c) ( S130 ) is a first anchor fixing step, and the first anchor 140 is fixed to the anchor hole 130 so as to protrude in the vertical direction of the protruding part 120 .

5 is a front schematic view for explaining a state in which the first anchor is fixed to the inner strength part in the stucco brick reinforcement construction method of a building according to an embodiment of the present invention, and FIG. 6 is a stucco brick of a building according to an embodiment of the present invention. It is a schematic plan view explaining the state in which the first anchor moves along the anchor hole in the reinforcement construction method.

5 and 6 , the first anchor 140 may include a screw threaded bolt 141 and two nuts 142 having a diameter L3 greater than a width L1 of the anchor hole. Accordingly, when the bolt 141 is placed in the anchor hole 130 in the vertical direction and then the two nuts 142 are assembled from the upper and lower portions of the protruding part 120, respectively, the bolt diameter L4 is the width of the anchor hole ( It is smaller than L1) and is inserted into the anchor hole 130 , and the nut 142 is larger than the width L1 of the anchor hole, so that the first anchor 140 can be fixed to the anchor hole 130 .

At this time, the first anchor 140 is not completely fixed to the anchor hole 130 in order to be able to move along the length L2 of the anchor hole, but is semi-fixed, that is, enough to be moved when a slight external force is applied. can be fixed By semi-fixing the first anchor 140 to the anchor hole 130, the installation freedom according to the insertion position and clearance of the new stucco brick NB is increased, and a detailed description will be given later.

The step (d) (S140) is a step of installing a new stucco brick (NB). In the present invention, the hole (H) of the stucco brick is fixed to the first anchor using the stucco brick (NB) having the hole (H) formed therein. The stucco brick (NB) is installed by inserting it into the 140.

7 is a schematic plan view illustrating a position where a first anchor is inserted into a new stucco brick of two stages in a method for reinforcing a stucco brick of a building according to an embodiment of the present invention.

Referring to FIG. 7 , the insertion of the new stucco brick NB into the first anchor 140 includes a hole H1 formed in the stucco brick NB1 at the lower end and a hole H2 formed in the stucco brick NB2 at the upper end. By making it happen in the overlapping portion H3, the effect of preventing the falling off of the stucco brick NB due to the concentration can be maximized.

At this time, the position of the overlapping portion (H3) is not constant depending on the construction situation, so a gap may occur. ) can be moved along the length (L2) of the anchor hole (see Fig. 6, arrow), so the hole overlaps in the newly installed two-stage stucco brick (NB) ( Regardless of the position and clearance of H3), the first anchor 140 can be easily inserted into the portion H3 where the hole overlaps, thereby ensuring workability.

The (e) step (S150) is a step of fastening the installed hardware 100 and the stucco brick NB, and pouring mortar to the stucco brick NB, the inner part 120, the anchor hole 130 and the first The anchor 140 is tightened.

The mortar to be poured is not particularly limited in its composition, and of course, a conventional mortar composition used for a masonry wall may be applied. The mortar is poured along the face and line of the stucco brick (NB) through joint construction, and also penetrates and solidifies through the hole (H) to form the stucco brick (NB), the anti-corrosion part 120, the anchor hole 130 and the second mortar. 1 The anchor 140 is tightened. As a result, the stucco bricks NB are connected to each other in the longitudinal direction, thereby improving the performance of preventing the bricks from separating, which may be caused by external loads such as earthquakes and typhoons.

Here, according to one embodiment of the present invention, the anti-slip portion 120 prevents slipping between the stucco bricks (NB) and between the hardware 100 and the stucco bricks (NB), reduces the mortar gap, and has secondary adhesion performance Additional means may be employed to improve the That is, the attachment hole 150 for attaching between the stucco bricks NB according to the mortar pouring may be formed in the portion except for the anchor hole 130 in the inner part 120 .

As shown in FIG. 3 , the attachment holes 150 are formed in an arrangement of two places in the area where the anchor hole 130 is formed and three places in other areas, but the size of the forming location or the hole is different. It is not particularly limited, and of course it may be increased or decreased according to the conditions of the construction site.

According to one embodiment of the present invention, (f) may further include a supporting hardware fixing step (S160), (f) step (S160) is the (a) step (S110) and (e) step (S150) Any step in between, that is, (a) after the stucco brick (B) dismantling (S110) (e) before the mortar pouring (S150) may be performed at any step.

The (f) step (S160) is a step of fixing the supporting hardware 200 for reinforcement to the wall W for preventing the sagging of the stucco brick (B) adjacent to the upper part of the T-shaped hardware 100 . Accordingly, it is possible to prevent the falling off or sagging of the aged upper brick (B) when installing the two-stage stucco brick (NB) using the T-shaped hardware 100, or the upper stucco brick (B) is also the upper part when dismantling. The same effect can be expected by installing a new stucco brick (NB) in the

The structure of the supporting hardware 200 is not particularly limited as long as it is a method capable of preventing the falling off or sagging of the upper brick (B), for example, a horizontal hardware on the auxiliary T-shaped hardware 210 fixed to the wall (W). 220 may be in a combined form, and the horizontal hardware 220 may be in the form of protruding in the lateral direction of the wall (W).

The auxiliary T-shaped hardware 210 may be understood as a small size of the T-shaped hardware 100, and the horizontal hardware 220 may be a U-shaped hardware as shown in FIGS. 2 and 3, but this It is not limited.

In addition, the coupling of the auxiliary T-shaped hardware 210 and the horizontal hardware 220 may be performed, for example, through welding, but is not limited thereto, and may be coupled and fixed by a conventional method capable of exhibiting performance similar to welding. of course there is

This support hardware 200 is for temporary reinforcement and fixing to prevent the drop-off of the existing stucco brick (B) when replacing or reinforcing the stucco, but is installed as it is after completion of the reinforcement. By fixing the existing stucco brick (B), it will also serve as a secondary reinforcement to prevent sagging and falling.

As above, preferred embodiments of the present invention have been described in detail with reference to the drawings. The description of the present invention is for illustrative purposes, and those skilled in the art to which the present invention pertains will understand that it can be easily modified into other specific forms without changing the technical spirit or essential features of the present invention.

Accordingly, the scope of the present invention is indicated by the following claims rather than the description of the invention, and all changes or modifications derived from the meaning, scope, and equivalent concept of the claims are interpreted as being included in the scope of the present invention. should be

100: T-shaped hardware 110: fixed part
111: second anchor 120: internal unit
130: anchor hole 140: first anchor
141: bolt 142: nut
150: attachment hole 200: support hardware
210: auxiliary T-type hardware 220: horizontal hardware
B: Existing stucco brick NB: New stucco brick
W : Wall L1 : Width of anchor hole
L2: Length of anchor hole L3: Diameter of nut
L4 : diameter of bolt H : hole of stucco

Claims (8)

As a stucco brick reinforcement construction method of a building,
(a) dismantling at least two levels of stucco;
(b) fixing to the wall a T-shaped hardware including a fixing part fixed to the wall, an extensible part protruding in the lateral direction of the wall, and an anchor hole formed in the extensible part;
(c) fixing the first anchor to the anchor hole so as to protrude in the vertical direction of the protruding part;
(d) installing the stucco brick by inserting the hole of the stucco brick having the hole formed therein into the first anchor; and
(e) fastening the stucco brick, the inner part, the anchor hole, and the first anchor by pouring a mortar;
As a stucco brick reinforcement method comprising:
The anchor hole has a width formed in the lateral direction of the wall and a length formed in a direction parallel to the wall and is formed at regular intervals in the inner portion, the width is narrower than the length,
The first anchor consists of a threaded bolt and two nuts having a diameter larger than the width of the anchor hole, and after positioning the bolt in the anchor hole in the vertical direction, the two nuts are removed from the upper and lower sides of the protruding part, respectively. By assembling, the stucco brick reinforcement method, characterized in that semi-fixing the first anchor to the anchor hole. According to claim 1,
The fixing part is a plate-shaped stucco brick reinforcement method, characterized in that it is fixed to the wall using a second anchor. delete delete According to claim 1,
Insertion of the stucco brick into the first anchor is made at the overlapping portion of each hole formed in the two-stage stucco brick, and the first anchor semi-fixed to the anchor hole according to the position and clearance of the overlapping portion. Stucco brick reinforcement method, characterized in that moving along the length of the anchor hole. According to claim 1,
Stucco brick reinforcement construction method, characterized in that the inner part is formed with an attachment hole for attachment between the stucco bricks according to the mortar pouring in a part except for the anchor hole. According to claim 1,
In any step between step (a) and step (e),
(f) fixing the supporting hardware for preventing the sagging of the stucco adjacent to the upper part of the T-shaped hardware to the wall; stucco reinforcement method further comprising a. 8. The method of claim 7,
The supporting hardware is a stucco brick reinforcement method, characterized in that the horizontal hardware is coupled to the auxiliary T-type hardware fixed to the wall, and the horizontal hardware protrudes in the lateral direction of the wall.

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