KR20100106259A - The remodeling earthquake resistant connection details by using precast concrete member for old reinforced beam-column building structures and the remodeling construction method using the same - Google Patents

Abstract

PURPOSE: A remodeling seismic retrofit structure using a PC member for an aged reinforced concrete beam-column structure and a remodeling construction method using the same are provided to improve construction performance and durability. CONSTITUTION: A remodeling construction method using a remodeling seismic retrofit structure using a PC member for an aged reinforced concrete beam-column structure is as follows. A steel plate is installed in one side of a PC member(1) using anchors. The steel plate forms multiple holes in which the anchor can be inserted. A perforation part is formed in one surface of an aged reinforced concrete column through the holes. A PC column is coupled to an aged column using epoxy to increase strength of the column.

Description

Remodeling earthquake resistant connection details by using precast concrete member for old reinforced beam-column building structures and the remodeling construction method using the same}

The present invention relates to a precast concrete (PC) joining structure for remodeling a building, and more particularly, simple and durable coupling according to the joining structure of a PC member for reinforcing columns and beams for remodeling a building. Reinforced seismic reinforcement joint structure using PC member for aging reinforced concrete beam-column structure with excellent construction and economic efficiency through easy construction by increasing vertical and lateral support reinforcement of excellent performance. And it relates to a building remodeling construction method using the same.

In order to remodel the existing building, there is a method of stacking bricks or blocks on the columns or the inner and outer walls. However, this method can tolerate the compressive load to some extent, but it does not improve the durability of the building because the tensile strength against the tensile strength is considerably low. have.

Therefore, in the method of universal remodeling to be suitable for seismic design and to have the tensile force of the building, the beam and column frame is reinforced with lateral support by using H-beam sloping to the beam and column node of the existing building.

That is, the reinforcement method by steel such as H beam, I beam, etc. has the advantage of being prefabricated, while the axial force does not necessarily pass through the center of steel node, so the effect of compression brace at node is relatively inefficient than tensile brace. It is pointed out that the cost of construction and the addition of a fireproof coating process should be added.

In addition, if you look at the technology in this field, as shown in Figure 1, the anchor hardware is installed on both columns opposite to the remodeled building of Patent No. 0-0956974, PC panels are installed on the anchor hardware installed on both columns, anchor hardware It is realized through the process of welding the junction of the PC panel and the PC panel. In the installation of the PC panel, two "Ｕ" shaped PC panels and "∩" shaped PC panels ("Ｕ" shaped upside down) are the same PC panel. ) Are installed so as to face each other up and down, and the elastic member is provided between the anchor hardware and both pillars. According to the present invention, by using the "Ｕ" -shaped and "PC" -shaped PC panel, it is possible to calculate the lateral support reinforcement (seismic reinforcement) of excellent performance by simple construction and the transverse of the old aging reinforced concrete and steel structures Building remodeling construction methods using PC panels to increase bearing capacity, and remodeling buildings are known.

The prior art has the effect of further increasing the stiffness of the pillar of the building to be remodeled by using the "자" shaped PC panel, but should be installed between the column and the beam `` shaped PC panel around the glass window of the building? There is no free space on the left and right when installing, so the connection work is very difficult, and in order to fix the side located inside, it is necessary to shake off all the walls except the column and the beam, which causes inefficiency in workability and economy.

The present invention is to solve the problems described above, and to the remodeling reinforcement method (PC reinforcement method) through the PC reinforcement for the pillars and beams in the aging beams and column building structure, metal flanges and beams installed in the PC member And the joints of the pillars with anchor bolts, and the joints of the horizontal members and the vertical members of the PC member and the PC member are firmly joined together by the pin-bonding method or steel plate steel welding method using reinforcing bars, and applied laterally or longitudinally. Its purpose is to provide durability against earthquake waves, and the structure of easy connection and joint fixing of PCs provides a steel joint structure of precast concrete columns and beams for building remodeling with excellent construction and economic efficiency, and a method of building remodeling using the same. It is for the purpose.

The present invention for achieving the above object is a reinforcing bar frame formed by binding the shear reinforcing bar and the main reinforcing bar inside the PC member;

A plurality of connecting ring members, one end of which is welded to the reinforcement frame and the other end of the ring member protrudes outward from the vertical member end and the horizontal member end of the PC member;

Anchor bolts are provided on the anchor members installed on the columns and beams so that the anchor member welded to one side of the vertical member outer surface and the horizontal member outer surface of the PC member is welded to the reinforcing steel frame and the other side is exposed to the outside. It features a combined configuration.

The present invention installed as described above has the PC member and the PC member is installed in the column and beam as a pin joint structure or steel joint structure to have a seismic force against the seismic waves in the lateral or longitudinal direction when an earthquake occurs, while at the same time convenient and economical construction It is to provide a remodeling seismic reinforcement joint structure using PC members and a building remodeling construction method using the same for aging reinforced concrete beam-pillar structures.

The present invention relates to a precast concrete (PC) joining structure for remodeling a building, and installs a steel panel member so that the PC member can be easily coupled to a column and a beam, and is horizontal to the vertical member of the PC panel. By installing the connecting ring member at the end of the member, inserting the reinforcing pin member in the center of the member, and then grouting the connecting portion, the arrangement structure of the pillar and beam of the building has a vertical shape and a regular shape of the pillar arranged at regular intervals. Since the beam of grid shape is installed horizontally and the column and the beam are connected, the steel member is made by reinforcing and installing the PC member with anchor bolt on the column and the beam, and the connection method between the PC member and the PC member located between the column and the beam is Since the rebar pin member is inserted in the connecting member or the connecting panel member made of metal panel is welded to each other, it is also strongly bonded. In the event so as to have a translational force in the lateral direction of the seismic waves, or longitudinal and diagonal has the effect that has the convenience and economy of construction, and at the same time.

1 is an exemplary view showing a configuration for connecting a conventional steel beam.
Figure 2 is a perspective view showing the arrangement for installing the PC member of the present invention to the column and beam.
Figure 3 is a cross-sectional view showing a state of fixing the PC member of the present invention using a steel panel member and an anchor bolt to a column or beam.
Figure 4 is a cross-sectional view showing a concrete grouting state of the connection of the vertical member or horizontal member of the PC member of the present invention.
Figure 5 is an exploded perspective view showing a state of connecting the connection portion of the PC member using a connection panel member as another embodiment of the present invention.
Figure 6 is a cross-sectional view of the concrete grouting state after connecting in the connection method of FIG.
Figure 7 is an exemplary view showing a connection state when the vertical member width of the PC member wide according to the present invention.
8 is an exemplary view showing a state in which an I-shaped PC member of the present invention is installed on a pillar.
Figure 9 is an exemplary view showing a state in which the PC member of the present invention installed on the glass side pillars and beams.
Figure 10 is an exemplary view showing "" -shaped, "" -shaped, "U" -shaped, "" -shaped PC member of the present invention.
Figure 11a is an exemplary view showing a process sequence for installing the L-shaped PC member of the present invention to the column and beam.
Figure 11b is an illustration showing a state in which the □ -shaped installation on the column and beam using the L-shaped PC member of the present invention.
Figure 12a is an exemplary view showing a process sequence for installing the L-shaped PC member on the post and the finishing member is installed on the outer surface of the present invention.
Figure 12b is an exemplary view showing a state in which the closing member of the present invention is installed in the □ -shape on the column and beam using the L-shaped PC member installed on the outer surface.
Figure 13 is an exemplary cross-sectional view showing a state in which the PC member is fixed using a steel panel member and an anchor bolt to a narrow column or narrow beam as another embodiment of the present invention.

Hereinafter, an embodiment of the present invention will be described in detail.

In the remodeling construction method of a building using precast concrete (PC),

별도 Form a separate molding frame to form a PC member, but to form a reinforcing steel frame by binding the shear reinforcement and the main reinforcing bar inside the forming frame, the connecting member is reinforced to the vertical member end position and horizontal member end position of the PC member Installation to connect with the framework,

PC forming a PC member by placing concrete inside the forming frame after performing the step of placing each steel panel member on one side of the vertical member and the horizontal member of the PC member;

다수 installing a plurality of anchor members in the columns and beams of the positions corresponding to the through holes of both sides of the steel panel member formed in the vertical member and the horizontal member of the PC member;

PC the step of installing the PC member by fastening the anchor bolts through both side holes of the steel panel member formed in the vertical member and the horizontal member of the PC member to the anchor member formed in the pillar and beam;

다른 In order to correspond to the vertical member of the PC member installed on the pillar and the beam and the end ring member of the horizontal member, other PC members are continuously connected in the same manner as step 상기 above to make the overall shape between the pillar and the beam. Installing;

Inserting the reinforcing pin member between the PC member installed on the pillar and the beam, and the connecting member corresponding to the vertical member end and the horizontal member end of the PC member;

판 The construction method of installing the PC member on the column and beam by installing a plate on the outer surface of the connecting member connected to the link member and the reinforcing pin member at the vertical member end and the horizontal member end of the PC member and placing concrete therein do.

"자형 중 어느 하나의 PC부재를 이용하여 보와 기둥에 보강부재로 설치하는 것을 특징으로 한다. PC member installation step is installed on the column and beam "ㄱ" shape, "ㄴ" shape, "ㅣ" shape, "ㄷ" shape, "Ｕ" shape, "

"It is characterized in that it is installed as a reinforcing member to the beam and column using any one of the PC member.

Looking at the configuration of the PC member of the present invention constructed as described above are as follows.

PC member (1) of the present invention is a reinforcing bar (5) formed by binding the shear reinforcement (3) and the main reinforcing bar (4) therein;

One end of the vertical member (6) and the horizontal member (7) end of the PC member (1) is welded to the reinforcing frame (5) and the other ring form a plurality of connecting ring member (8) installed to protrude outwards Wow;

The steel panel member is welded to the reinforcing frame 5 and the fixing member 11 welded to one side of the outer surface of the vertical member 6 and the horizontal member 7 of the PC member 1 is exposed to the outside. (9) is formed.

The steel panel member 9 is characterized in that a plurality of through-holes 10 are formed on both sides.

"형의 요홈부(12) 가 형성되고 이의 요홈부(12)에 연결고리부재(8)가 설치된 것을 특징으로 한다. 상기 PC부재는 "ㄱ"자형 "ㅣ"자형, "ㄷ"자형, "Ｕ"자형,"

"자형 중 어느 하나로 이루어진 것을 특징으로 한다.The end of the vertical member 6 and the horizontal member 7 of the PC member 1 "

"Type groove portion 12 is formed and is characterized in that the connecting ring member 8 is installed in the groove portion 12 thereof. The PC member is" a "shape" ㅣ "shape," c "shape," Ｕ "Shape,"

"Characterized by any one of the shape.

In addition, in the present invention in the building pillar using the "ㅣ" shaped precast concrete (PC) 110 as a reinforcing member of the pillar only,

Iron plate 113 is installed on one side of the reinforcement PC member 110 outside.

The iron plate 113 is fixed to the PC member 110 by the anchor hardware 112 of the PC member,

The iron plate 113 protrudes from both sides of the PC member 110 to form a plurality of holes 111 into which the anchor hardware 112 can be inserted.

Through the hole 111 of the iron plate 113 through the perforations 114 formed on one side of the old reinforcement concrete pillar 30 is bonded to the PC pillar 110 to the old post using an adhesive such as epoxy. It is characterized by a method of increasing the steel wire of the column.

Referring to the construction method of the present invention made in this way as follows.

First step: forming PC member

PC member 1 of the present invention may be produced as a separate standard in the manufacturing plant, but to produce a PC member (1) in the factory to be suitable for the building structure of the remodeling site in order to have efficiency of productivity and economical efficiency is used as a reinforcing member. .

The PC member 1 is manufactured differently from each other in preparation of the molding die according to the form to be used.

"자형 등으로 구분하여 제작될 수 있다.That is, the shape of the PC member is "ㄱ" shape "ㅣ" shape, "ㄷ" shape, "Ｕ" shape, "

"Can be produced by dividing the shape and the like.

The PC member 1 of the present invention may be different from each other depending on the structure used, the configuration is the same configuration.

Therefore, in the present process, the "a" shape (the same as the b shape) will be described as an example.

First, in order to mold the "a" -shaped PC member (1) to prepare a molding frame capable of molding it, the molding frame may be used to assemble a metal or wood panel or use a FRP mold.

When the molding frame is prepared as described above, using the shear reinforcing bar (3) and the main reinforcing bar (4) to form a reinforcing bar frame 5 corresponding to the shape of the PC member (1).

Assemble the molding frame so that the produced reinforcing frame (5) is located inside the other end so that the ring portion of the connecting ring member (8) protrudes at the ends of the vertical member (6) and the horizontal member (7) of the PC member (1) The side end is welded to the reinforcing frame 5.

After installing the connecting ring member 8 formed of reinforcing bar at the end of the horizontal member 7 or the vertical member 6 as described above, the steel panel member (one side of the vertical member 6 and one side of the horizontal member 7) 9) to be fixed.

The steel panel member 9 is a plurality of fixing members 11 are welded to the inner surface is fixed to the steel panel member 9 and the other end is fixed to the welded steel frame (5).

In addition, the outer surface of the steel panel member (9) is to be the same height as the outer surface of the PC member (1) so that no gap is generated by the steel panel member (9) when later installed on the column 20 or beam (30). .

After installing the reinforcing frame, steel panel member, connecting ring member as described above to cast the concrete in the forming mold to form the PC member (1).

If the steel panel member is not formed when forming the PC member 1 in this process, the PC member 1 is formed by forming a plurality of holes in a separate iron plate when the PC member 1 is later installed on the pillar and beam. It is possible to fix the PC member 1 by installing the iron plate as an anchor on both pillars or beams.

Second process: installing a plurality of anchor members in the column and beam

PC member (1) formed as described above, the horizontal member (7) is installed on the bottom or upper surface of the beam when installed, and the vertical member (6) is installed to correspond to one side of the column (20) pillar and so that it can be fixed Install the anchor member 14 on the beam.

The anchor member 14 is drilled in a position corresponding to the through hole 10 on both sides of the steel panel member 9 of the PC member 1 in the same installation method as the conventional method, and installs a plurality of anchor members 14.

Third Step: Installing PC Member in Column and Beam

After the anchor members are installed in the pillars 20 and the beams 30, the PC members formed in the step of the first process are installed. The PC members are weighted from tens to hundreds of kilograms. Use it to lift it up.

When the PC member is installed, the anchor bolt 15 is inserted into the through hole 10 on both sides of the steel panel member 9 installed in the PC member 1 to the anchor member already installed on the pillar 20 and the beam 30. The PC member 1 is fixed to the pillars 20 and the beams 30 in such a manner as to be coupled to the 14.

The other PC member is installed in the same manner as the steps of V and V so as to correspond to the vertical link member 8 of the PC member and the horizontal member of the PC member installed on the pillar and beam.

"자형 중 어느 하나의 형상으로 선택 설치된다. (도2 또는 도8 내지 12b 참조)PC member (1) is installed as in step ⒟ and ⒠ step according to the structure of the installation site is installed "a" shaped "ㅣ" shaped, "c" shaped, "Ｕ" shaped, "

&Quot; Installed in the shape of any one of the shapes. (See Fig. 2 or Figs. 8-12B)

"자형 중 어느 하나의 PC부재(1)를 사용하게 된다.In other words, according to the purpose of the construction site, "I" shaped PC member (1) is used when used as a reinforcement member, and "A" when used as a reinforcement member of the beam 30 and the pillar 20 with a window. "ㅣ" shaped, "ㄷ" shaped, "Ｕ" shaped, "

"You will use any one of the PC member (1).

Specifically,

"ㄱ" and "ㄴ" PC absence

When the "a" shaped or "b" shaped PC member is installed on the upper and lower parts so as to correspond to each other on the pillar and the beam, the connecting portion is installed so that the connecting portion 2 is located at the center of the upper and lower beams 30 and both pillars 20 ( 10 (A)).

"U" shaped PC  absence

"자형으로 설치된다.(도10(B) 참조)."U" shaped PC member is a structure installed so as to correspond to each other up and down between the column and the beam.

It is installed in a shape (see Fig. 10B).

"C" PC absence

The two are installed so as to face each other left and right to install a PC member in the "□" shape to form a reinforcing member and the connecting portion 2 is located in the center of the upper and lower beams (see Fig. 10 (C)).

For reference, the "Ｕ" shape is the same as the "C shape installation method", but the "Ｕ" shape PC member is installed to be stacked up and down.

4th step: installing the reinforcing pin member between PC connecting members

The reinforcing pin member 16 is inserted between the connecting member 8 corresponding to the PC member 1 and the vertical member 6 end of the PC member 1 and the horizontal member 7 end of the PC member 1 installed on the pillar and beam. .

At this time, the link member 8 has a "⊃" shaped ring and a "⊂" shaped ring between the end of the vertical member 6 and the end of the vertical member 6, the end of the horizontal member 7 and the end of the horizontal member 7. Corresponding to be fitted to each other, so the center portion is formed as a circular ring so that the rebar pin member 16 is fitted thereto. At this time, if necessary, the reinforcing pin member 16 may be welded to one side of the connecting ring member 8 to be connected to each other in a steel joint structure.

For reference, it is preferable that the reinforcing pin member 16 sandwiched between the connecting ring members 8 is not welded (see FIGS. 1, 4 and 7).

In addition, in the present step, in the case of the connecting panel member 13 made of metal instead of the connecting ring member 8 of the present invention, the metal panel and the panel overlap the metal member instead of the reinforcing pin member method, and then weld the steel joint structure. Can be formed (see FIGS. 5 and 6).

5th step: concrete placing in PC connector

The plate member is installed on the outer surface of the connecting member 8 and the connecting member 8 connected by the reinforcing pin member 16 at the end of the vertical member 6 and the horizontal member 7 of the PC member 1 and the concrete therein. Grouting to install the PC member (1) in the strong junction structure on the column 20 and the beam (30).

In this case, when concrete grouting can be performed due to the structure of the connecting part, curing may be performed by artificially filling concrete or mortar.

In the present invention installed as described above, the PC member (1) and the PC member (1) is installed in the pin 20 or beam joint structure to the pillar 20 and the beam 30, the earthquake wave in the transverse direction or longitudinal direction when the earthquake occurs You will have strength.

The structure of the columns and beams of the remodeled building of the present invention is anchored to the columns and beams because the beams in the vertical direction and the regular grid are arranged horizontally and are connected to the columns and the beams arranged at regular intervals. PC member is installed and made of a reinforced structure having a seismic force by reinforcement, and the connection method between the PC member and the PC member located between the pillar and the beam is the reinforcing pin member 16 to the connecting ring member (8). Is connected, or the connecting panel member 13 made of a metal panel is welded to each other, thereby making pin bonding or steel bonding.

As above, all PC members are installed between the pillars and beams, and when the grouting work is completed, a separate finishing member is installed on the outer surface to make the appearance beautiful.

At this time, if you use the PC member installed from the factory on the outer surface of the PC member as needed, there is no need to construct a separate finishing member.

Thus, in the remodeling of the building, the PC member of the present invention is used as a reinforcing member in the columns and beams, so that even if seismic waves are applied in the longitudinal, transverse, and diagonal directions during an earthquake, durability is achieved.

Brief description of the accompanying drawings of the present invention as follows.

Figure 2 is a perspective view showing the arrangement for installing the PC member of the present invention to the pillars and beams, forming a PC member in the "b" shape or "a" shape to correspond to each other to install the left and right between the pillar and the beam It is a structure to install.

At the end of the PC member, a plurality of connecting member members are installed to form a connecting part. The connecting part includes a vertical ring or a horizontal member corresponding to each other, so that a circular ring is formed at the center of the connecting ring member. Is installed.

In addition, the outer side of the vertical member 6 and the horizontal member 7 of the PC member 1 is provided with a steel panel member 9 having a through hole 10 on both sides.

Figure 3 is a cross-sectional view showing a state of fixing the PC member of the present invention using a steel panel member and an anchor bolt to a column or beam, the PC member of the present invention is reinforced steel frame made of shear reinforcing reinforcement and cast iron in the interior to have a rigid ( 5) is installed, the steel panel member is installed to couple the PC member to the beam or pillar, but the steel panel member 9 is welded to the reinforced steel frame 5 by welding a plurality of anchor hardware 11 on one surface .

Therefore, the PC member is coupled to the anchor member 14 installed in the pillars and beams by fitting the anchor bolts 15 in both through holes 10 of the steel panel member 9, the PC member is firmly coupled to the pillars and beams.

Figure 4 is a cross-sectional view showing a concrete grouting state of the connecting portion of the vertical member or horizontal member of the PC member of the present invention, the vertical member 6 and the vertical member or horizontal member 7 of the PC member installed between the pillar and the beam And the connecting portion 2 of the horizontal member is to grind the concrete in the state where the reinforcing pin member 16 is located between the connecting ring member 8 so that the connecting portion 2 can be joined in a pin joint structure. At this time, the reinforcing pin member may be welded to the connecting ring member.

 Figure 5 is an exploded perspective view showing a state of connecting the connection portion of the PC member using the connection panel member as another embodiment of the present invention, Figure 6 is a cross-sectional view of the concrete grouting state after connecting in the connection method of FIG. In order to bond the connecting panel member 13 and the connecting panel member 13 as shown in FIG. This structure also shows a steel joint structure.

The connection panel member of FIGS. 5 and 6 is installed at the position of the vertical member and the horizontal member when the PC member forming frame works, but the fixing member is welded to one side of the connecting panel member on the rebar frame side, and the other end is welded and fixed to the rebar frame.

Figure 7 is an exemplary view showing a connection state when the vertical member width of the PC member according to the present invention, the PC member may be different from the width and the roadside depending on the installation site as shown in Figure 7 vertical member ( If the width of 6) is wide, the number of installation of the connecting member (8) increases.

Figure 8 is an exemplary view showing another embodiment showing a state in which the | -shaped PC member of the present invention is installed in the pillar,

Building remodeling seismic reinforcement method using a PC member joint structure to reinforce the old reinforced concrete column structure of the present invention, Figure 8 is a conventional building column using the "ㅣ" shaped precast concrete (PC) 110 member Reinforce.

The iron plate 113 is installed on one side of the reinforcing PC member 110, and the iron plate 113 is fixed to the PC member 110 by the anchor hardware 112 of the PC member.

The iron plate 113 protrudes from both sides of the PC member 110 to form a plurality of holes 111 into which the anchor hardware 112 can be inserted.

Through the hole 111 of the iron plate 113 through the perforations 114 formed on one side of the old reinforcement concrete pillar 30 is bonded to the PC pillar 110 to the old post using an adhesive such as epoxy. To increase the liner strength.

"자형, PC부재와 설치하는 방법이 동일하나 "ㅣ"자형 프리캐스트 콘크리트(PC)(110) 부재는 기둥만을 보강하는 PC부재로서, 다른 PC부재와 구별을 하기 위해 도8의 도면부호를 상이하게 기재하여 설명하였다. In the description of FIG. 8, the installation method of the "ㅣ" shaped precast concrete (PC) 110 member is "a" shaped, "b" shaped, "U" shaped, "c" shaped, "

"The shape of the PC member is the same as the installation method, but the" ㅣ "-shaped precast concrete (PC) member 110 is a PC member for reinforcing only the pillar, and the reference numeral of FIG. 8 is different to distinguish it from other PC members. The description is made as follows.

That is, after installing the "|" shaped precast concrete (PC member) on the pillar, the steel plate 113, such as ㅡ -shaped N-shape, is corresponded to the pillar faces of the space on both sides of the PC member 110, and then anchor anchor 112 (anchor). It is to be able to fix the PC member 110 to the pillar by fixing using the same as the bolt).

Figure 9 is an exemplary view showing a state in which the PC member of the present invention is installed on the glass window side pillars and beams, the "a" or "b" shaped PC member (1) is installed on the beams and pillars with a glass window It is shown.

"자형, PC부재를 나타낸 예시도로서, 본 발명의 PC부재를 설치함에 있어서, PC부재를 설치환경과 구조에 따라서 대응되는 형상에 적합한 PC부재로 제작하여 설치할 수 있도록 한 것으로 PC부재의 형상의 일 예로서 (A)(B)(C)(D)의 형상으로 조립되는 실시 예를 나타낸 것이다.10 is "a" shape, "b" shape, "u" shape, "c" shape, "

"A figure showing the shape of a PC member, in the installation of the PC member of the present invention, the PC member is to be made of a PC member suitable for the corresponding shape according to the installation environment and structure to be installed so that the shape of the PC member As an example, an embodiment of assembling in the shape of (A) (B) (C) (D) is shown.

Figure 11a is an exemplary view showing a process sequence for installing the L-shaped PC member of the present invention to the pillars and beams, showing an example of a process flow of installing the a-shaped PC member between the column and the beam with a glass window, such as a school building as an example will be. The present invention installed as described above is characterized in that it is free and easy to install freely regardless of the spacing between the column and the beam is narrow and wide. That is, conventionally, the length of the PC member is the length corresponding to the length between the pillar and the pillar or the beam and the beam, and there is a problem that the construction is very inconvenient and time-consuming because there is no free space during the installation, in particular, concrete grouting after installation There was a problem that this was made poorly, but the present invention has the advantage that the work is very easy to install sequentially from one side as shown in Figure 11a. The process sequence illustrated in Fig. 11 is not necessarily limited, and the method of installation is the same regardless of construction from either side.

11b is an exemplary view showing a state in which the pillars and beams are installed in a □ -shape by using the L-shaped PC member of the present invention, and the overall shape is installed in the process sequence of FIG. .

In addition, when the PC member is installed on the drawing using the steel panel member 9 and the anchor bolt member 15 as shown in Figure 2, but the iron plate 113 as shown in Figure 8 the iron palm 113 on both sides of the PC member After being in close contact with each other, the anchor member 112 may be fixed to the pillar to fix the PC member of another form in the same manner as the method of fixing the PC member 110.

In the present invention, the means for fixing the PC member to the starting or beam can be made in various ways.

Figure 12a is an exemplary view showing a process sequence for installing the L-shaped PC member to the column and beams, the finishing member of the present invention is installed on the outer surface, Figure 12b is using the a-shaped PC member the finishing member of the present invention is installed on the outer surface As an exemplary view showing the state of the pillar and beam installed in the shape of a □, after installing the finishing material on the outer surface of the PC member of the present invention from the factory, it is necessary to install a separate finishing material by installing in the same way as the above method in the remodeling building site. Without the PC member installation and simultaneous work is to be done.

13 is a cross-sectional view illustrating a state in which a PC member is fixed by using a steel panel member and an anchor bolt to a narrow pillar or a narrow beam as another embodiment of the present invention. In order to easily install on the narrow column and beam when installed in the chamfered position portion of the through-hole 10 formed on both sides of the steel panel member (9 ') so that the inclined surface is formed by using the anchor bolt (15) When installed on the beam, it is to be installed firmly by being inclined to the inside of the anchor bolt member.

In other words, when specifically described, the inclined surface is formed by chamfering both edges of the steel panel member 9 'installed on the outer surface of the vertical member 6 and the horizontal member 7 of the PC member 1 and then the inclined surface thereof Form a plurality of through holes 10 in the.

As such, after forming the steel panel member 9 'having the inclined surfaces on both sides, holes are formed in the pillars or beams in the same direction as the direction of the through holes 10 formed on the inclined surfaces to fill the epoxy resin.

After forming the yoke on the pillar 20 or the beam 30 as described above, the PC member 1 is installed, but when it is seen with a narrow pillar, inclined surfaces 9 "are formed on both sides as shown in FIG. The steel panel member 9 'having the through hole 10 formed on the inclined surface 9 " is installed in the PC member and fixed to the anchor bolt member 15 in the hole of the column or beam. At this time, the hole of the pillar into which the anchor bolt member is inserted is filled with epoxy resin and hardened so that the PC member is firmly fixed.

As described above, the present invention is characterized in that the PC member can be firmly installed by using the steel panel member 9 'having the inclined surface 9 "on both sides even if there is no free space on both sides after the PC member is installed. .

1: PC member 2: Connection part
3: Shear reinforcement 4: Cast steel
5: Reinforcing bar frame 6: Vertical reinforcing member
7: Horizontal reinforcing member 8: Connecting ring member
9,9 ': Steel panel member 10: Through hole
11: fixing member 12: groove
13: connecting panel member 14: anchor member
15: Anchor bolt 16: Rebar pin member
20: pillar 30: see
40: Finishing member
110: "ㅣ" shaped PC member 111: hole
112: anchor hardware 113: iron plate
114: The heavens department

Claims (15)

In building columns using "ㅣ" shaped precast concrete (PC) 110 members,
The iron plate 113 is installed on one side of the reinforcement PC member 110.
The iron plate 113 is fixed to the PC member 110 by the anchor hardware 112 of the PC member,
The iron plate 113 protrudes from both sides of the PC member 110 to form a plurality of holes 111 into which the anchor hardware 112 can be inserted.
PC pillar 110 in the old age by utilizing any one of the epoxy or anchor bolt through the perforations 114 formed on one side of the old reinforced concrete pillar 30 through the hole 111 of the iron plate 113 Building remodeling seismic reinforcement method using a PC member joint structure for the aging reinforced concrete column structure, characterized in that to increase the steel wire of the column by joining. In the remodeling construction method of a building using a precast concrete (PC) member,
Forming a perforation portion to perforate the existing reinforcement concrete pillars and beams to install the PC member;
Installing the "a" shaped PC member by fastening the steel panel member formed on the "a" shaped PC member with an anchor bolt to a perforation part installed in the aged reinforced concrete column and beam;
After installing the connecting ring member or connecting panel member at the horizontal member connecting portion at the horizontal connecting portion and the vertical connecting portion at the middle of the horizontal member (7) in the middle of the vertical member (6) of the "a-shaped PC member" Building remodeling construction method using the PC member joint structure for the aging reinforced concrete beam-column structure characterized in that the PC member is installed in the column and beam by pouring. The method of claim 2,
Forming step of the PC member is installed in the column and beam "a" shaped "

Building remodeling construction method using PC member joint structure for aging reinforced concrete beam-column structure, which is formed of any one of "PC", "c" shape, and "Ｕ" shape and installed on beam and pillar . The method of claim 2,
In the forming step of the PC member to be installed on the pillar and the beam is a reinforced concrete beam-column structure, characterized in that the PC member is formed by connecting the connection panel member of the "ㅓ" type in each of the vertical member end and the horizontal member end; Building remodeling construction method using PC member joint structure. The method of claim 2,
The step of installing the PC member in the column and beam is a reinforced concrete beam-column, characterized in that the joint is formed by inserting the reinforcing pin member in the connecting member formed on the end of the vertical member (6) and the horizontal member (7) Building remodeling method using PC member joint structure for structure. The method of claim 2,
The PC member (1) forming step is to connect a plurality of connecting member (8) constituting the connecting portion so as to project outward to the end of the vertical member (6) and the horizontal member (7), the connection of the end of the vertical member (6) The direction of the ring and the connecting ring direction of the end of the horizontal member (7) form a U-shaped ring horizontally in the vertical connection so that the female PC member (1) can be fitted to each other from the outside of the building, and when the horizontal connection is a vertical connection ring member Building remodeling construction method using a PC member joint structure for the aging reinforced concrete beam-column structure, characterized in that for constructing.
The steel panel member 9 is formed on one surface of the outer surface of the vertical member 6 and the horizontal member 7 of the "A-shaped PC member 1, and the PC member 1 is formed of the pillar 20 and the beam 30. Remodeling seismic reinforcement joint structure using PC member for aging reinforced concrete beam-column structure, characterized in that it can be installed in.
The method of claim 7, wherein
The vertical member end and the horizontal member end forming the PC member are seismic remodeling using a PC member for the aged reinforced concrete beam-column structure, characterized in that the "ㅓ" type metal connecting panel member is installed to be fitted to each other. Reinforced joint structure. The method of claim 7, wherein
PC member is coupled to the column and beam "a" shaped "

Remodeling seismic reinforcement joint structure using PC member for aging reinforced concrete beam-column structure, which is composed of any one of "shaped", "c" shaped, and "shaped" shaped. The method of claim 7, wherein
The steel panel member is a remodeling seismic reinforcement joint structure using a PC member for the old reinforced concrete beam-column structure, characterized in that a plurality of holes formed on both sides. The method according to claim 7 or 8,
The steel panel member and the connecting panel member is a remodeling seismic reinforcement joint structure using a PC member for the old reinforced concrete beam-column structure, characterized in that the plurality of fixing members are installed on the back embedded in the PC member. The method of claim 7, wherein
The end of the vertical member 6 and the horizontal member 7 of the PC member 1 "

Remodeled seismic reinforcement joint structure using a PC member for the old reinforced concrete beam-column structure, characterized in that the "12 grooves of the type is formed. The method of claim 7, wherein
The vertical member 6 and the horizontal member 7 of the PC member 1 utilizes the PC member for the aging reinforced concrete beam-column structure, characterized in that a plurality of "⊃" type connecting ring member is installed at the end. Remodeled seismic reinforcement joint structure. The method of claim 7, wherein
The PC member 1 is a remodeling seismic reinforcement joint structure using a PC member for the old reinforced concrete beam-column structure, characterized in that the finishing member is installed on the outer surface. The method of claim 7, wherein
The steel panel member is formed so that the inclined surface (9 ") is formed on both sides of the anchor bolt member is fastened through the through hole 10 formed in the inclined surface thereof is installed to be inclined inside the narrow column or narrow beam. Remodeled seismic reinforcement joint structure using PC member for aging reinforced concrete beam-column structure.

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