KR101231779B1 - Extended precast concrete panel and construction method of it - Google Patents

Extended precast concrete panel and construction method of it Download PDF

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Publication number
KR101231779B1
KR101231779B1 KR20110013397A KR20110013397A KR101231779B1 KR 101231779 B1 KR101231779 B1 KR 101231779B1 KR 20110013397 A KR20110013397 A KR 20110013397A KR 20110013397 A KR20110013397 A KR 20110013397A KR 101231779 B1 KR101231779 B1 KR 101231779B1
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South Korea
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precast concrete
panel
concrete panel
protrusion
bearing
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KR20110013397A
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Korean (ko)
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KR20120093685A (en
Inventor
유승룡
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동국대학교 산학협력단
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Publication of KR20120093685A publication Critical patent/KR20120093685A/en
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Abstract

The present invention relates to a protruded precast concrete panel, when installed on the top of the beam, the inner protrusion formed to protrude on one surface to have a locking jaw function; And a PC outer panel connected to the inner protrusion and partially contacting the outer outer surface of the beam or the pillar, and to install a protruding bearing PC panel instead of the bearing wall part to improve the efficiency of the earthquake. do.

Description

Extruded precast concrete panel and construction method of it}
The present invention relates to a protruding precast concrete panel, and more particularly, to prevent the PC panel (precast concrete panel) from being bent by heat while maintaining construction, robustness, and durability. The present invention relates to a method of constructing a projected precast concrete panel and a projected precast concrete panel, which minimizes and allows the modern aesthetic to be remodeled.
The common cause of the earthquake in Sichuan, China last year and the earthquake in Haiti this year is that most of the youngest students were affected by the collapse of a school-like facility. The Sichuan earthquake destroyed more than 7,000 school buildings, and about 5,000 school facilities were destroyed in the Haiti earthquake.
The frequency of earthquakes, which occurred about 20 times per year until the early 1990s, has been increasing since 2000, with an average of more than 40 times per year. In recent 10 years, two or more earthquakes with a magnitude of 5 or higher have occurred in Korea.
According to the Meteorological and Fire Protection Agency, the Korean Peninsula is not only part of the Pacific Rim earthquake, which accounts for 70% of the world's earthquakes, but is also classified as an earthquake-hazardous country with about 40 earthquakes. Nevertheless, only 1 out of 10 earthquake-resistant designs of Korea's elementary, middle and high buildings are built.
The Ministry of Education and Science estimates that a total of 31,560 billion won will be required to remodel all existing school facilities, including reinforcing seismic repair. Widely used seismic reinforcement methods include aramid carbon fiber method, glass fiber method, and damping damper method, but it is difficult to prepare a large budget.
Therefore, it is necessary to solve the problem of prolonged construction period and excessive construction cost by suggesting a reasonable and economical method in the seismic design reinforcement method when remodeling school buildings requiring large-scale repetitive construction.
Accordingly, the first problem to be solved by the present invention is to provide a protruding precast concrete panel that can have a rapid construction, robustness and durability while preventing the PC panel from being bent by heat, while minimizing the construction cost.
The second problem to be solved by the present invention is to provide a method of constructing a precast precast concrete panel that can have a fast construction, robustness and durability while preventing the PC panel bent by heat, while minimizing the construction cost.
The present invention, in order to achieve the first object, when installed on the top of the beam, the inner protrusion formed to protrude on one surface to have a locking jaw function; And a PC outer panel connected to the inner protrusion and partially contacting the outer outer surface of the beam or the pillar.
According to one embodiment of the invention, the inner protrusion and the PC outer panel is preferably molded integrally.
The inner protrusion and the PC outer panel may be any one of a 'B' shape, a 'ㅁ' shape, a 'U' shape, or a closed 'ㅁ' shape.
The apparatus may further include a space portion in the center of the inner protrusion and the PC outer panel, and a glass frame may be formed in the space portion.
In addition, a pattern made of a finishing material or embossed and intaglio may be formed on the outer surface of the PC outer panel.
According to another embodiment of the present invention, when the protruding precast concrete panel is a yield panel, it is preferable that the upper and lower ends of the inner protrusions respectively connected to the upper and lower beams of the opening protrude.
In addition, when the protruding precast concrete panel is a non-bearing panel, it is preferable that only the lower end of the inner protrusion connected to the lower beam of the opening protrudes.
The present invention comprises the steps of placing the protruding precast concrete panel between the columns or between beams to achieve the second object; And connecting the protruding precast concrete panel with the pillar or the beam by using a coupling member.
According to another embodiment of the present invention, the coupling member comprises: a first surface having at least one hole long in a horizontal direction; And a second surface having at least one hole elongated in the vertical direction, wherein one corner of the first surface and one corner of the second surface are abutted to form a 'b' shape.
According to another embodiment of the present invention, the step of positioning the protruding precast concrete panel between the pillars or between the beams, it is preferable that the lower end of the inner protrusion is installed to be placed on the top of the lower beams Do.
In addition, the step of connecting the protruding precast concrete panel with the pillar or the beam by using the coupling member, mortar in the gap between the side of the inner protrusion of the protruding precast concrete panel and the beam or the pillar, It is preferable to further include the step of filling using any one of the non-contraction concrete, epoxy, or urethane.
According to the present invention, in constructing a building remodeling, it is possible to improve the efficiency of earthquake-proof by installing a protrusion-resistant PC panel in place of the bearing wall. In addition, according to the present invention, while having a fast construction, robustness and durability while preventing the PC panel bent by heat, it is possible to minimize the construction cost and to remodel the external aesthetics modern.
Figure 1 shows a configuration of a connection state of a conventional load-bearing PC panel.
Figure 2a is a perspective view of a load-bearing precast concrete panel according to an embodiment of the present invention.
FIG. 2B illustrates a front view of a load-bearing precast concrete panel having a space formed in the center thereof, in which an inner protrusion of the precast concrete panel is inserted into a building opening, and a PC outer panel protrudes to an outer wall of the building.
FIG. 3 shows a longitudinal cross-sectional view of the precast concrete panel 1 shown in FIG. 2B viewed in the A direction.
FIG. 4 shows a cross-sectional view of the precast concrete panel 1 shown in FIG. 2B viewed in the B direction.
FIG. 5 illustrates a front view of a load-bearing precast concrete panel having a space formed at a center thereof, in which a 'U'-shaped inner protrusion of the precast concrete panel is inserted into the building opening, and the PC outer panel is protruded to the outer wall of the building.
FIG. 6 shows a longitudinal cross-sectional view of the precast concrete panel 1 shown in FIG. 5 as viewed in the C direction.
FIG. 7 shows a cross-sectional view of the precast concrete panel 1 shown in FIG. 5 viewed in the D direction.
8 is a front view illustrating a state in which a reinforcement protrusion of a precast concrete panel protrudes into a building in a non-bearing precast concrete panel having a space formed in a center thereof according to an embodiment of the present invention.
FIG. 9 shows a longitudinal cross-sectional view of the non-bearing precast concrete panel 1 ′ shown in FIG. 8 in the E direction.
FIG. 10 shows a cross-sectional view of the non-bearing precast concrete panel 1 ′ shown in FIG. 8 as viewed in the F direction.
FIG. 11 shows a cross-sectional view of the non-bearing precast concrete panel 1 ′ shown in FIG. 8 as viewed in the G direction.
FIG. 12 illustrates another embodiment of the reinforcement protrusion shown in FIG. 11.
FIG. 13 is a front view illustrating a state in which a reinforcement protrusion of a precast concrete panel protrudes into a building in a non-bearing precast concrete panel having a space formed in the center according to another embodiment of the present invention.
FIG. 14 shows a longitudinal cross-sectional view of the non-bearing precast concrete panel 1 ′ shown in FIG. 13 in the H direction.
FIG. 15 shows a cross-sectional view of the non-bearing precast concrete panel 1 ′ shown in FIG. 13 as viewed in the I direction.
FIG. 16 shows a cross-sectional view of the non-bearing precast concrete panel 1 ′ shown in FIG. 14 as viewed in the C direction.
17 illustrates another embodiment of the reinforcement protrusion shown in FIG. 16.
18A illustrates a horizontal groove 8 formed at an upper end and a lower end of a load-bearing precast concrete panel 1 according to another embodiment of the present invention, and vertical grooves 8 'formed at both sides of the space part 5. It is an illustration.
FIG. 18B shows a longitudinal cross-sectional view of the precast concrete panel 1 shown in FIG. 18A viewed in the K direction.
FIG. 18C shows a cross-sectional view in the L direction of the precast concrete panel 1 shown in FIG. 18A.
FIG. 18D illustrates a longitudinal cross-sectional view of the precast concrete panel 1 in the K direction according to another embodiment of the present invention.
19 is an exemplary view in which a horizontal groove 8 is formed at the lower end of the load-bearing precast concrete panel 1 according to another embodiment of the present invention, and vertical grooves 8 'are formed at both sides of the space part 5. to be.
20 is a perspective view of the load-bearing precast concrete panel 1 shown in FIG. 18.
FIG. 21 is a perspective view of a coupling member 7 used to connect a precast concrete panel 1, 1 'and a column 30 or beam 20 according to an embodiment of the present invention.
Prior to the description of the specific contents of the present invention, for the convenience of understanding, the outline of the solution of the problem to be solved by the present invention or the core of the technical idea will be presented first.
Protruding precast concrete panel according to an embodiment of the present invention, when the PC panel is installed on the top of the beam, the inner protrusion formed to protrude on one surface to have a locking jaw function; And a PC outer panel connected with the inner protrusion and partially contacting the outer outer surface of the beam or column.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, these examples are intended to illustrate the present invention in more detail, it will be apparent to those skilled in the art that the scope of the present invention is not limited thereby.
The configuration of the invention for clarifying the solution to the problem to be solved by the present invention will be described in detail with reference to the accompanying drawings based on the preferred embodiment of the present invention, the same in the reference numerals to the components of the drawings The same reference numerals are given to the components even though they are on different drawings, and it is to be noted that in the description of the drawings, components of other drawings may be cited if necessary. In addition, in describing the operation principle of the preferred embodiment of the present invention in detail, when it is determined that the detailed description of the known function or configuration and other matters related to the present invention may unnecessarily obscure the subject matter of the present invention, The detailed description is omitted. In addition, in the entire specification, when a part is referred to as being 'connected' to another part, it may be referred to as 'indirectly connected' not only with 'directly connected' . In addition, the term 'comprising' a certain component means that the component may be further included, without excluding the other component unless specifically stated otherwise.
Figure 1 shows a configuration diagram of a conventional load-bearing PC panel.
Referring to FIG. 1, it can be seen that the connection between the 'b'-shaped PC panel is connected by a connecting member, and the connection between the' b'-shaped PC panel and a pillar or beam is connected using an iron plate member.
Figure 2a is a perspective view of a load-bearing precast concrete panel according to an embodiment of the present invention.
Referring to FIG. 2A, the load-bearing precast concrete panel 1 according to the present embodiment is composed of an inner protrusion 2, a PC outer panel 4, and a space 5.
The load-bearing precast concrete panel (1) molded to have rigidity by placing shear reinforcing bars and cast iron bars inside the concrete panel according to an embodiment of the present invention, so that the load-bearing precast concrete panel (1) has durability and shockproof, When the load-bearing precast concrete panel 1 is installed in the opening, an inner protrusion 2 formed on one surface of the precast concrete panel 1 to have a locking jaw function; And a PC outer panel 4 which is connected to the inner protrusion 2 and which is partially in contact with the outer outer surface of the beam or column.
In addition, the coupling member 7 may be used to fix the load-bearing precast concrete panel 1 to the beam or column.
The load-bearing precast concrete panel 1 may be formed with a finish or embossed and engraved pattern on the outer surface different from the surface on which the inner protrusion 2 is formed.
The PC outer panel 4 is in the form of 'ㅁ' and the inner protrusion 2 is in the form of a 'ㅁ' smaller than the PC outer panel 4 and is connected to the PC outer panel 4. In addition, the PC outer panel 4 and the inner protrusion 2 may be in various forms such as a 'b', 'U', or a filling wall (blocked 'ㅁ') in addition to the 'ㅁ' shape. On the other hand, the PC outer panel 4 and the inner protrusions 2 are described separately for convenience, but it will be desirable to integrally mold the PC outer panel 4 and the inner protrusions 2 to the molding die.
The space part 5 is formed in the center of the precast concrete panel 1 when the PC outer panel 4 and the inner protrusion 2 have a shape of 'ㅁ', but is filled with a wall (blocked 'ㅁ'). May not be formed.
Referring to FIG. 2A, the load-bearing precast concrete panel 1 according to the present embodiment may be used for two purposes, such as a load-bearing PC panel or a non-bearing PC panel, and an inner protrusion 2 of the load-bearing precast concrete panel 1 may be used. Is inserted into the bottom compensation surface of the opening, such as a window, and the PC outer panel 4 can be protruded to the outside.
FIG. 2B illustrates a front view of a load-bearing precast concrete panel having a space formed in the center thereof, in which an inner protrusion of the precast concrete panel is inserted into a building opening, and a PC outer panel protrudes to an outer wall of the building.
Referring to FIG. 2B, the load-bearing precast concrete panel 1 is composed of an inner protrusion 2, a PC outer panel 4, and a space 5, as shown in FIG. 2A. In addition, when the precast concrete panel 1 is inserted into the opening of the building, in the case of non-bearing precast concrete panel, between the beam or column and the precast concrete panel 1 (inner protrusion 2 indicated by reference numeral 10). And urethane or cylindrical sealing elastic material between the PC outer panel 4) and mortar, non-concrete concrete, or epoxy in the case of the load-bearing precast concrete panel.
In addition, a joining member 7 is used to join the precast concrete panel 1 with the column or beam.
3 shows a longitudinal cross-sectional view of the precast concrete panel 1 shown in FIG. 2B in the A direction, and FIG. 4 shows a cross-sectional view of the precast concrete panel 1 shown in FIG. 2B in the B direction. It is.
3 and 4, a filler such as urethane, a cylindrical sealing elastic material, mortar, non-concrete concrete, or epoxy is filled between the beam 20 and the inner protrusion 2.
In addition, the 'b' type or 'b' type coupling member 7 is used to connect the precast concrete panel 1 with the beam 20. At this time, a coupling hole is formed in the coupling member 7, and the precast concrete panel 1 is connected to the beam 20 or the pillar 30 by a bolt 6 or the like through the coupling hole.
In addition, the load-bearing precast concrete panel 1 has a rectangular shape, and the space portion 5 is formed so that the glass window can be installed in the middle portion.
An inner protrusion 2 is formed on the inner surface of the precast concrete panel 1 so that the inner protrusion 2 can be drawn out between the beam and the pillar, and the thickness of the inner protrusion is larger than the diameter centerline of the column corresponding to both sides so as to have a bearing capacity. Can be.
In addition, a PC outer panel 4 is formed at the edge of the load-bearing precast concrete panel 1 so as to be in close contact with the outer surface of the column and the beam.
The coupling member 7 which connects the precast concrete panel 1 and the beam or column has a bracket shape, one side of which is formed with a long hole in the vertical direction, and the other side has a hole formed in a horizontal direction. Use it for everyone.
FIG. 5 illustrates a front view of a load-bearing precast concrete panel having a space formed at a center thereof, in which a 'U'-shaped inner protrusion of the precast concrete panel is inserted into the building opening, and the PC outer panel is protruded to the outer wall of the building.
Referring to FIG. 5, the load-bearing precast concrete panel 1 forms a space portion 5 for installing the glass window in the center, and is installed to be biased toward the upper side, so as to prevent the upper end of the building glass window remodeled from being blocked. PC panel is formed.
2B and 5, the inner protrusions 2 of FIG. 2B have a 'W' shape, while the inner protrusions 2 of FIG. 5 have a 'U'. It is shaped.
FIG. 6 shows a longitudinal cross-sectional view of the precast concrete panel 1 shown in FIG. 5 in the C direction, and FIG. 7 shows a cross-sectional view of the precast concrete panel 1 shown in FIG. 5 in the D direction. It is.
Referring to FIG. 6, it is possible to confirm a state in which the inner protrusions 2 are not formed as much as the length of the opening in the joint surface between the upper beam 20 and the inner protrusions 2.
5 to 7, an inner protrusion 2 is formed on one surface of the precast concrete panel, and a PC outer panel 4 is formed on an edge thereof.
FIG. 8 is a front view illustrating a state in which a reinforcement protrusion of a precast concrete panel protrudes into a building in a non-bearing precast concrete panel having a space formed in the center according to another embodiment of the present invention.
Referring to FIG. 8, it can be seen that the reinforcing protrusions 3 are installed on the lower portion of the non-bearing precast concrete panel 1 ′ instead of the inner protrusions. That is, in the non-bearing precast concrete panel 1 ', it is sufficient to use the reinforcing protrusions 3 instead of the inner protrusions 2. That is, the thickness of the PC outer panel 4 can be made thin, but the non-bearing precast concrete panel 1 'can be made by forming the reinforcing protrusions 3 on one surface of the PC outer panel 4.
The non-bearing precast concrete panel 1 'is formed so that the reinforcing protrusions 3 are integrally formed in the portion corresponding to the lower beams of the inner surface, so that the reinforcing protrusions 3 cover the upper surface of the lower beams when the PC panel is installed. do. In this case, a plurality of long holes are formed in the coupling member 7 connecting the non-bearing precast concrete panel 1 'and the beam or the pillar so that the bolts fastened in accordance with the displacement of the beam and the pillar are moved. Prevents cracking and unbalance of the cast concrete panel 1 '.
FIG. 9 shows a longitudinal cross-sectional view of the non-bearing precast concrete panel 1 'shown in FIG. 8 in the E direction, and FIG. 10 shows the non-bearing precast concrete panel 1' shown in FIG. The cross-sectional view seen in the direction is shown, and FIG. 11 shows the cross-sectional view seen from the non-bearing precast concrete panel 1 'shown in FIG. 8 in the G direction.
9 is compared with FIG. 3, unlike FIG. 3, the upper beam 20 of FIG. 9 is directly connected through the PC outer panel 4 and the coupling member 7, and the lower beam 20 is a reinforcement protrusion. It can be seen that it is connected via (3) and the coupling member (7).
10 is a cross-sectional view in the F direction of FIG. 8, there is no configuration of the non-bearing precast concrete panel 1 ′ other than the coupling member 7 between the pillar 30 and the pillar 30.
On the other hand, referring to Figure 11, it can be seen that the reinforcement projections 3 are formed between the pillar 30 and the pillar 30, the urethane, cylindrical sealing elasticity between the pillar 30 and the reinforcement projection (3) Fillers such as ash, mortar, non-concrete concrete, or epoxy can be filled.
The non-bearing precast concrete panels 1 ′ shown in FIGS. 8 to 11 are constructed in the same way as the bearing-bearing precast concrete panels 1, but the non-bearing precast concrete panels 1 ′ are formed at all ends and beams. The difference is that the non-bearing precast concrete panel 1 ′ is installed so as to cope with the change of the slope and the like without filling the elastic member in the gap between the pillars.
FIG. 12 illustrates another embodiment of the reinforcement protrusion shown in FIG. 11.
Referring to FIG. 12, the lower end portion of the non-bearing precast concrete panel 1 ′ corresponds to the upper end portion of the beam.
Figure 112011010836138-pat00001
By forming the reinforcement protrusion 3 in the form of "non-bearing precast concrete panel 1 'is formed so that the reinforcement protrusion 3 is covered on the upper surface of the lower beam.
FIG. 13 is a front view illustrating a state in which a reinforcement protrusion of a precast concrete panel protrudes into a building in a non-bearing precast concrete panel having a space formed in the center according to another embodiment of the present invention.
Referring to FIG. 13, a "U" shaped non-bearing precast concrete panel, in which a reinforcement protrusion 3 is formed to span a beam.
FIG. 14 shows a longitudinal sectional view of the non-bearing precast concrete panel 1 'shown in FIG. 13 in the H direction, and FIG. 15 shows the non-bearing precast concrete panel 1' shown in FIG. The cross-sectional view seen in the direction is shown, and FIG. 16 shows the cross-sectional view which looked at the non-bearing precast concrete panel 1 'shown in FIG. 14 in the J direction. 17 illustrates another embodiment of the reinforcement protrusion shown in FIG. 16.
13 to 17 are compared with FIGS. 8 to 12, in the case of FIGS. 13 to 17, a part of the upper end portion of the PC outer panel 4 is removed, thereby increasing the size of the space 5. That is, the space part 5 forming the window is oriented to the upper part so as not to cover the space part 5 by the upper end when the window is installed.
FIG. 18A illustrates a horizontal groove 8 formed at an upper end and a lower end of a load-bearing precast concrete panel 1 according to another embodiment of the present invention, and vertical grooves 8 'formed at both sides of the space part 5. It is an illustration.
18B shows a longitudinal cross-sectional view of the precast concrete panel 1 shown in FIG. 18A in the K direction, and FIG. 18C shows a cross-sectional view of the precast concrete panel 1 shown in FIG. 18A in the L direction. It is.
FIG. 18D illustrates a longitudinal cross-sectional view of the precast concrete panel 1 in the K direction according to another embodiment of the present invention. Referring to FIG. 18D, it can be seen that the thickness is thicker than the load-bearing protrusion 2 shown in FIG. 3.
19 is an exemplary view in which a horizontal groove 8 is formed at the lower end of the load-bearing precast concrete panel 1 and vertical grooves 8 'are formed at both sides of the space portion 5 according to another embodiment of the present invention. .
18A and 19, there is shown a cross section of a transverse groove 8 and a longitudinal groove 8 ′ looking down from the top of the precast concrete panel 1. On the other hand, FIG. 18 is a 'ㅁ' shaped load-bearing precast concrete panel, Figure 19 is a 'U' shaped load-resistant precast concrete panel is different.
20 is a perspective view of the load-bearing precast concrete panel 1 shown in FIG. 18. Referring to FIG. 20, a connecting method of the coupling member 7 is illustrated.
FIG. 21 is a perspective view of a coupling member 7 used to connect a precast concrete panel 1, 1 'and a column 30 or beam 20 according to an embodiment of the present invention.
Referring to FIG. 21, the coupling member 7 is formed of a “b” type bracket and the insertion holes (a and b) into which the bolts are fitted are formed to have a predetermined length so that the bolt may be moved within the length of the insertion hole. Tighten to have a certain extra length, not full tightening. However, the fluidity of the joint is ensured so that the non-bearing wall can withstand both the weight and the wind pressure, and can partially alleviate the deformation of the beam and column.
Insertion holes formed in the coupling member 7 are formed in plural numbers, and the direction of the insertion hole (b) formed on one surface and the direction of the insertion hole (b) formed on the other surface is configured to cross each other.
In other words, the insertion hole in which the bolt is inserted to connect the column and the precast concrete panel is formed in the vertical direction so that the bending deformation occurs in the column and the beam to move in the vertical direction, and the bolt is used to connect the precast concrete panel and the beam. The insertion hole into which the hole is inserted forms an insertion hole in the horizontal direction so that when the bending deformation occurs in the beam and the column, the bolt flows in the vertical or horizontal direction, so that the load due to the deformation of the beam and the column is transferred to the precast concrete panel. Prevent it.
Referring to the building remodeling construction method using the load-bearing precast concrete panel 1 or non-bearing precast concrete panel 1 'according to an embodiment of the present invention configured as described above in detail.
First step: Precast  Concrete panel manufacturing stage
The production of the precast concrete panel carried out in this step can be molded using a formwork or a mold as in the usual method.
By shearing the reinforcing bars and the cast iron so as to be buried in the interior of the precast concrete panel is formed as described above, to have durability but to selectively produce the load-bearing precast concrete panel (1) and non-bearing precast concrete panel (1 ').
The load-bearing precast concrete panel 1 molded in this process is used as a bearing wall, so that the thickness of the PC outer panel 4 forming the load-bearing precast concrete panel 1 is 4 to 10 cm. And, the inner protrusions 2 can be manufactured to a thickness of 20 ~ 30cm from the PC outer panel 4 surface, it can be changed according to the site situation.
The inner protrusion 2 serves as a locking protrusion so that the load-bearing precast concrete panel 1 spans the beam at a later construction and prevents warpage from occurring as the ambient temperature increases, such as in summer. At the same time it is designed to have a strength between the beams.
At this time, the beam 20 and the column 30 to be remodeled is preferably in a state in which the reinforcing member is installed, and in the present invention, the detailed description of the column and the beam is omitted since it is related to the seismic designed bearing wall, not the reinforcement of the beam and the pillar.
In addition, in the present step, a pattern or a finish made of an embossed or intaglio may be selectively installed on one surface different from the surface on which the inner protrusion 2 is formed, that is, on the PC outer panel 4 surface. The finishing material refers to a tile, a synthetic resin sheet, a synthetic resin brick, a wooden exterior material, or a synthetic resin exterior material.
In addition, the non-bearing precast concrete panel 1 'is manufactured by the same method as the proofing precast concrete panel 1, but is used as a non-bearing PC panel by making the thickness thin. The non-bearing precast concrete panel 1 ′ may form at least one reinforcing protrusion 3 instead of the inner protrusion 2. The reinforcing protrusions 3 will also be spread over the complementary surface when the non-bearing precast concrete panel 1 'is later installed.
Second process: on the wall Precast  Concrete panel installation steps
The load-bearing precast concrete panel 1 or the non-bearing precast concrete panel 1 'of the present invention is installed as a bearing wall or a non-bearing wall of a medium-low-rise building such as a school building or a public building, and is easy and quick in construction. , And to shorten the air.
Prior to constructing the precast concrete panels 1 and 1 'of the present invention, the walls of the building to be remodeled before leaving the pillars and beams are shaken off in advance. After the reinforcement work is completed by a separate PC beam and PC column to have a wall or a wall corresponding to the specific strength of the precast concrete panels (1, 1 ') of the present invention.
In addition, the vertical and horizontal lengths of the inner protrusions 2 of the load-bearing precast concrete panels 1 installed between the pillar and the beam of the present invention are smaller than the space between the upper and lower beams 20 and between the left and right pillars 30. Is formed.
The load-bearing precast concrete panel 1 of the present invention is installed so that the PC outer panel 4 having the ends of the four sides cover a part of the outer surface of the existing beam 20 and the pillar 30, so that the load capacity is installed up and down and left and right when viewed from the outside surface The ends of the precast concrete panels 1 are in contact with each other and are installed to have a strength.
Non-bearing precast concrete panel (1 ') of the present invention is also formed to a size that the reinforcement protrusions (3) formed on one surface can be drawn out between the beam and the pillar, the outer PC panel is formed on the border have.
Step 3: Precast  Steps to fasten concrete panels to existing beams and columns
In installing the load-bearing precast concrete panel 1 of the present invention between the column 30 and the beam 20, lift the load-bearing precast concrete panel 1 with a crane or the like and place it between the column and the beam. The coupling member 7 installed on the pillar and the beam and the coupling hole installed on one surface of the inner protrusion 2 are connected to each other to fix the load-bearing precast concrete panel 1.
Bolts passing through the coupling member 7 in the form of brackets are inserted into the coupling holes formed in the inner protrusions 2 to fix the load-bearing precast concrete panel 1 to the beams and the pillars.
In addition, the coupling hole may be used as a hook to bind a wire or the like when temporarily lifting a PC panel with a crane by inserting a long bolt or the like.
Fourth Process: Internal Finishing member  Construction stage
The inner lower end of the inner protrusion 2 of the precast concrete panel installed by the first to the third process is placed on the upper surface of the beam located at the bottom, and the PC outer panel 4 is formed on the outer surface of the beam and the pillar. Installed in a corresponding state, the load-bearing precast concrete panel 1 is fixed to the column and beam using the coupling member (7).
In addition, a gap is generated between the edge of the inner protrusion 2 of the precast concrete panel 1 and the beam or the pillar, and the gap is filled with mortar or epoxy resin.
At this time, the non-bearing precast concrete panel 1 'is installed so as to be flowable so as not to be fixed and fixed according to the change in inclination, and between the reinforcing protrusion 3 of the non-bearing precast concrete panel 1' and the beam or column. The gap is closed with an elastic member.
After the load-bearing precast concrete panel (1) and the non-bearing precast concrete panel (1 ') are installed, the interior finishing material is installed on the inner side, and the interior material is installed with the insulating material on the inner side and the finishing member on one side of the insulating material. Install.
The finishing member may be any one of a brick, a built-in panel, a synthetic resin finishing member, or a wooden finishing member.
The present invention can enhance the seismic function of the building by installing a bearing wall using a PC panel in the inner section of the beam-pillar when remodeling an existing beam-pillar building. To this end, various types of PC panels can be considered, but the inner protrusions are inserted into the beam-pillar inner section to support external force, and the PC outer panel 4, which is a continuous portion from the inner protrusions, is projected outward. By covering the outer wall of the building, it is not restrained from expansion and contraction due to thermal stress, thereby increasing structural efficiency, and by using this, it is possible to refit all exterior surfaces of the building, thereby enabling various exterior designs.
In the present invention as described above has been described by the specific embodiments, such as specific components and limited embodiments and drawings, but this is provided to help a more general understanding of the present invention, the present invention is not limited to the above embodiments. For those skilled in the art, various modifications and variations are possible from these descriptions.
Accordingly, the spirit of the present invention should not be construed as being limited to the embodiments described, and all of the equivalents or equivalents of the claims, as well as the following claims, belong to the scope of the present invention .
1: proof strength precast concrete panel 1 ': non bearing strength precast concrete panel
2: inner protrusion 3: reinforcing protrusion
4: PC outer panel 5: space part
7: coupling member 8: transverse groove
8 ': Vertical groove 10: Filler
20: see 30: pillar

Claims (12)

  1. When installed at the top of the beam, the inner protrusion formed to protrude on one surface to have a locking jaw function; And
    A PC outer panel connected to the inner protrusion and partially contacting an outer outer surface of the beam or column,
    Protruding precast concrete panel, characterized in that the gap between the side of the inner projection and the beam or the pillar to fill the gap using an elastic member.
  2. The method of claim 1,
    The protruding precast concrete panel, wherein the inner protrusion and the PC outer panel are integrally molded.
  3. The method of claim 1,
    The inner protruding portion and the PC outer panel is protruding precast concrete panel, characterized in that any one of the 'b' shape, 'ㅁ' shape, 'U' shape, or blocked 'ㅁ' shape.
  4. The method of claim 1,
    And a space portion in the center of the inner protrusion and the PC outer panel, wherein the window frame is formed in the space portion.
  5. The method of claim 1.
    Protruding precast concrete panel, characterized in that the pattern of the finishing material or embossed and engraved on the outer surface of the PC outer panel.
  6. The method of claim 1,
    When the protruding precast concrete panel is a load-bearing panel, the protruded precast concrete panel, characterized in that the upper and lower ends of the inner protrusions connected to the upper beam and the lower beam of the opening of the building, respectively.
  7. The method of claim 1,
    When the protruding precast concrete panel is a non-bearing panel, the protruding precast concrete panel, characterized in that the protruding only the lower end of the inner projection connected to the lower beam of the opening of the building.
  8. The method of claim 1,
    The protruding precast concrete panel,
    A first face having at least one hole elongated in the horizontal direction; And
    A second face having at least one hole elongated in the vertical direction,
    Protruding from the column or the beam using a 'b'-shaped coupling member, characterized in that the' b 'shape is formed by abutment of one corner of the first surface and one corner of the second surface Type precast concrete panels.
  9. Positioning the protruding precast concrete panels between columns or between beams; And
    Connecting the protruding precast concrete panel to the column or beam using a coupling member;
    The protruding precast concrete panel,
    When installed at the top of the beam, the inner protrusion formed to protrude on one surface to have a locking jaw function; And a PC outer panel connected to the inner protrusion and partially contacting the outer outer surface of the beam or the pillar.
    Method of constructing a precast concrete panel, characterized in that for filling the gap between the side of the inner projection and the beam or the column using an elastic member.
  10. The method of claim 9,
    The coupling member
    A first face having at least one hole elongated in the horizontal direction; And a second surface having at least one hole elongated in a vertical direction, wherein one corner of the first surface and one corner of the second surface are abutted to form a 'b' shape. Concrete panel construction method.
  11. The method of claim 9,
    Positioning the protruding precast concrete panel between the pillars or between the beams,
    And a step of installing the lower end of the inner protrusion to be placed on the upper end of the lower beam.
  12. delete
KR20110013397A 2011-02-15 2011-02-15 Extended precast concrete panel and construction method of it KR101231779B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101376407B1 (en) * 2013-10-11 2014-04-01 두만강 Structure of window integrated precast concrete panel

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101532690B1 (en) * 2015-06-10 2015-06-30 (주)에스알텍 Seismic Reinforcing Precast Concrete Wall and Seismic Reinforcing Method using thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0762779A (en) * 1993-08-23 1995-03-07 Taisei Corp Constitution of floor opened port part
KR20110003021A (en) * 2009-07-03 2011-01-11 동국대학교 산학협력단 Reinforcing structure and construction method using the same
KR20110005065A (en) * 2009-07-09 2011-01-17 동양피씨(주) A support apparatus for parking system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0762779A (en) * 1993-08-23 1995-03-07 Taisei Corp Constitution of floor opened port part
KR20110003021A (en) * 2009-07-03 2011-01-11 동국대학교 산학협력단 Reinforcing structure and construction method using the same
KR20110005065A (en) * 2009-07-09 2011-01-17 동양피씨(주) A support apparatus for parking system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101376407B1 (en) * 2013-10-11 2014-04-01 두만강 Structure of window integrated precast concrete panel

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