A still plate for mending/reinforcement crack of concrete structures

专利摘要:
PURPOSE: A metallic panel for repairing/reinforcing cracks of concrete structure is provided to replace common steel bar based piping frameworks of the structure, to avoid installation of the steel frameworks, to reduce processing time period and labor and to save expenses for the repair/reinforcing works. CONSTITUTION: The panel comprises upper and lower bent supporting bars(102,103) arranged in a zigzag form; a number of openings(104) to be cutting across one another by equal intervals between the bars(102,103) and to be drawn at both sides to form a network shape by a compartment iron plate(104a); and another left/right supporting bars(106,108) at both ends of the openings(104) in its length direction to support the openings. Each of the openings(104) has three diamond type openings and both of diamond type and triangular openings formed across one another at one side in its width direction.
公开号:KR20020091316A
申请号:KR1020010030046
申请日:2001-05-30
公开日:2002-12-06
发明作者:유성권
申请人:엠앤에스인더스트리(주)；
IPC主号:

专利说明:

A STILL PLATE FOR MENDING / REINFORCEMENT CRACK OF CONCRETE STRUCTURES}
[14] The present invention can be used in place of reinforced pipe frame for slab and wall construction of the new concrete structure, the reinforcing frame is unnecessary at the construction site, construction time, shorten the construction time of steel pipe work, shorten the construction time In addition, the present invention relates to a metal plate for repairing / reinforcing cracks of a concrete structure, which can reduce a repair / reinforcement cost of a concrete structure.
[15] As a steel plate for repairing / reinforcing cracks of a conventional concrete structure, Korean Patent Publication No. 10-211715 (published date; November 25, 1998, publication number; 1998-78892).
[16] As shown in FIGS. 1 and 2, the crack-shaped repair / reinforcement iron plate of the concrete structure disclosed in the Korean Patent Publication is a flat SS41 steel sheet (tensile steel plate), and is pressed or pressed on one side thereof. The cylindrical projections 12 having a height of 2 to 15 mm are formed at a predetermined distance by welding, and the slab reinforcement steel plate 10 is formed by a concrete slab (an anchor bolt 18b and an anchor nut 18a). At least five anchoring through holes 14 are formed in 1 m ² so as to be fixed to 16.
[17] In addition, epoxy is injected into the epoxy injection space 15 formed by the lower surface of the concrete slab 16 and the slab reinforcing iron plate 10 adjacent to the anchor through hole 14. The hole 22 is formed.
[18] In the conventional slab reinforcement steel plate 10 configured as described above, the cylindrical projections 12 having a height of 3 to 15 mm are formed at a predetermined distance on one side, and at least five anchor through holes per 1 m ² ( Since 14) is formed, a hole is formed in the bottom surface of the concrete slab 16 with a hammer drill through the anchor through hole 14, and then the anchor bolt 18b is fixed to the hole, and the anchor bolt When the nut 18a is firmly screwed onto the 18b, a plurality of slabs may be formed on one side of the slab reinforcing iron plate 10 between the slab reinforcing iron plate 10 and the bottom surface of the concrete slab 16. A constant distance is maintained by the cylindrical projection part 12. As shown in FIG.
[19] Therefore, between the slab reinforcement iron plate 10 and the bottom surface of the concrete slab 16 is formed by the contact point by the plurality of cylindrical protrusions 12 while the epoxy injection space 15 is maintained at a constant interval, When epoxy is injected into the epoxy injection space 15 through the epoxy injection hole 22, the entire area of the concrete slab 16 can be equally reinforced.
[20] In the above description, an epoxy putty is sealed between the edge of the slab reinforcing iron plate 10 and the edge of the concrete slab 16, and the epoxy is put at regular intervals when the epoxy putty is closed. Since the exhaust pipe 20 is embedded to discharge the air in the injection space 15, the epoxy can be easily injected into the epoxy injection space 15.
[21] However, the conventional slab reinforcing iron plate 10 configured as described above is a space between the flat surface of the concrete slab wall 16 and the slab reinforcing iron plate 10, specifically, the protrusions formed in the slab reinforcing iron plate 10 ( In addition, there is a problem in that cement mortar cannot be injected into the space between the flat surface of the slab reinforcement steel plate 10 formed by 12) and the concrete slab wall 16 by the shotcrete method. Epoxy is injected into the space between the flat surface of the slab reinforcing steel plate 10 and the concrete slab wall 16 to repair / reinforce the concrete structure, so that reinforcing costs cannot be reduced and construction time is required for a long time. There were various problems.
[22] Conventional slab reinforcing plate 10 can be used only for repair / reinforcement of the concrete structure, there was also a problem that can not be used to replace the reinforcement pipe for slab or wall of the new concrete structure.
[23] The present invention has been made in view of the above-described conventional problems, and an object of the present invention is to provide a metal plate for repairing / reinforcing cracks of a concrete structure that can be used for the shotcrete method.
[24] Another object of the present invention to reduce the repair / reinforcement cost of the concrete structure, to provide a metal plate for repairing / reinforcing cracks of the concrete structure that can shorten the construction time.
[25] Another object of the present invention is to provide a metal plate for repairing / reinforcing cracks of a concrete structure that can reduce the work force of the concrete, shorten the construction time to reduce the repair / reinforcement cost of the structure.
[26] Still another object of the present invention is to provide a metal plate for repairing / reinforcing cracks of a concrete structure in which construction of a steel frame is unnecessary at a construction site.
[27] Still another object of the present invention is to provide a metal plate for repairing / reinforcing a crack part of a concrete structure which can improve workability and work efficiency by cutting to any size according to the construction site conditions.
[28] Still another object of the present invention is to provide a metal plate for repairing / reinforcing cracks of a concrete structure suitable for tunnel tunnel construction.
[29] In order to achieve the above object, the present invention cuts the upper and lower bending support zigzag bent to each other at a predetermined interval, and alternately (crossed) to cut a net between the upper and lower bending support and pulled from both sides to form a net shape. And a left and a right supporter formed respectively at both ends in the longitudinal direction of the opening so as to support the openings formed in the plurality of openings.
[1] 1 is a perspective view schematically showing a steel plate for repair / reinforcement of a crack of a conventional concrete structure;
[2] FIG. 2 is a cross-sectional view illustrating a state in which the cracks of the concrete castings are repaired / reinforced using the iron plate for repair / reinforcement of the cracks of the concrete structure shown in FIG. 1;
[3] Figure 3 is a perspective view schematically showing a metal plate for repairing / reinforcing cracks of a concrete structure according to an embodiment of the present invention,
[4] Figure 4 is an external perspective view of the metal rod to prevent the separation of the crack portion repair / reinforcement metal plate of the concrete structure when constructing the crack portion repair / reinforcement metal plate material of the concrete structure according to an embodiment of the present invention,
[5] 5 is an enlarged perspective view illustrating an enlarged portion A of FIG. 3;
[6] 6 is a cross-sectional view showing a state installed in the lower portion of the concrete slab for repairing / reinforcing the cracks of the concrete structure using the metal plate for cracks repair / reinforcement of the concrete structure according to an embodiment of the present invention.
[7] <Explanation of symbols for the main parts of the drawings>
[8] 100: metal plate 102: upper bending support
[9] 103: lower bent support 104: opening
[10] 104a: Compartment steel sheet 106: Left support
[11] 108: right support 112a: anchor nut
[12] 112b: anchor bolt 115: metal rod
[13] 115a, 115b: annular protrusion 120: concrete structure
[30] Hereinafter, with reference to the accompanying drawings for the crack plate repair / reinforcement of the concrete structure according to an embodiment of the present invention will be described in detail.
[31] 3 is a perspective view schematically showing a metal plate for cracks repair / reinforcement of a concrete structure according to an embodiment of the present invention, Figure 4 is a repair and reinforcement for cracks of a concrete structure according to an embodiment of the present invention Appearance perspective view of the metal rod to prevent the deviation of the position of the metal plate for repairing / reinforcing the cracks of the concrete structure when constructing the metal plate, Figure 5 is an enlarged perspective view showing an enlarged portion A in Figure 3, Sectional view showing the state installed in the lower portion of the concrete slab for repairing / reinforcing the cracked portion of the concrete structure using a metal plate for cracks repair / reinforcement of the concrete structure according to an embodiment of the present invention.
[32] As shown in Figure 3 to Figure 6 cracks repair / reinforcement metal plate 100 of the concrete structure according to an embodiment of the present invention is the upper and lower bending support (102, 103) bent in a zigzag with a certain interval And, a plurality of openings 104 formed in a net shape by the partition plate sheet material 104a by cutting in alternating (crossed) at a predetermined interval between the upper bending support 102 and the two sides of the longitudinal direction, The left and right supporters 106 and 108 are formed at both ends of the longitudinal direction of the opening 104 so as to support the opening 104.
[33] The opening 104 preferably has three rhombic openings and two rhombic and triangular openings alternately formed from one side in the width direction toward the other.
[34] The upper and lower bending support (102, 103) is preferably bent angle (θ) is bent 15 to 60 degrees to facilitate the construction of the concrete structure.
[35] Next, the construction, operation and effects of the cracked part repair / reinforcement metal plate material of the concrete structure according to the embodiment of the present invention configured as described above will be described.
[36] As shown in FIG. 6, first, to repair / reinforce a crack of a concrete structure using the metal plate 100 for repairing / reinforcing a crack of a concrete structure according to an embodiment of the present invention, the concrete structure to be repaired / reinforced After removing the foreign matter adhering around the cracks of 120, the anchor bolt screw holes are drilled with a hammer drill at a predetermined interval in the concrete structure, and the anchor nuts 112a are pushed into the screw holes.
[37] Next, the anchor bolt 112b is screwed to the anchor nut 112a while being cut to a specific size or connected or overlapped by welding to fit the crack area of the concrete structure 120 to be repaired / reinforced. 102 is fixed to abut the slab or wall of the concrete structure 120.
[38] As described above, the metal part 100 for repairing / reinforcing the crack part of the concrete structure 120 according to an embodiment of the present invention is fixedly fixed to the slab or wall of the concrete structure 120, and then the metal plate material ( While fixing the position 100, the metal rod 115 is pushed through the opening 104 at a predetermined interval so as not to increase the load (see FIG. 6).
[39] As such, when the metal rod 115 is pushed through the opening 104 of the metal plate 100 of the present invention, the annular protrusions 115a and 115b formed on the outer circumferential surface of the metal rod 115 form the opening 104. The metal rod 115 is fixed to the partition iron plate member 104a to fix the position of the metal plate member 100 of the present invention. In other words, the outer circumferential surface of the metal rod 115 is formed in a plurality of annular projections (115a, 115b) formed at a predetermined interval toward the opposite direction to each other in the direction of the adjacent annular projections (115a, 115b) The metal plate 100 of the present invention is fixed in position.
[40] When the metal plate 100 of the present invention is fixed as described above, when the cement mortar is ejected by a cement mortar pumping device (not shown) toward the metal plate 100 by the shotcrete method, the metal plate according to the present invention ( The concrete structure 120 to be repaired / reinforced by cement mortar through a plurality of openings 104 alternately formed between the upper support 102 and the lower support 103 of the 100 and the metal plate 100 of the present invention. The cover may be to repair / reinforce the concrete structure 120.
[41] Accordingly, when the concrete structure 120 is repaired / reinforced using the cracked plate repair / reinforcement metal plate 100 of the concrete structure 120 according to an embodiment of the present invention, concrete mortar is easily injected through the opening. Not only can it be used for shotcrete method when repairing / reinforcing concrete structures, but it can also be used instead of slab and reinforced pipe frame for wall construction of new concrete structures. Therefore, it is not necessary to reinforce the frame construction at the construction site, so that the construction time can be shortened, and the manpower for steel piping work can be reduced.
[42] In addition, the present invention can shorten the construction time, and can reduce the labor force of steel pipes, can reduce the repair / reinforcement cost of the concrete structure, and cut to any size according to the conditions of the construction site By using it, workability and work efficiency can be improved, and it can be freely formed in a circular shape so as to facilitate the construction of the ventilated surface of the tunnel, and can withstand load.
[43] In the above description, the shape of the plurality of openings 104 alternately formed between the upper support 102 and the lower support 103 of the metal plate 100 according to the present invention in a rhombus shape or a triangular shape as an example Although the present invention has been described, the present invention is not limited thereto. For example, the opening may be formed in a circular, rectangular or polygonal shape, of course.
[44] In the above description, the specific embodiments have been shown and described, but the present invention is not limited thereto, for example, by those skilled in the art without departing from the concept of the present invention. Of course, the design can be changed in various ways.
[45] As described above, according to the metal plate for repairing / reinforcing the crack part of the concrete structure according to the present invention, the upper and lower bending supports zigzag bent to each other at a predetermined interval, and the predetermined interval between the upper and lower bending supports. It is provided with a plurality of openings formed in a net shape by a partitioned sheet metal material by cutting alternately and being pulled from both sides, and left and right support members respectively formed at both ends of the longitudinal direction so as to support the openings at both ends in the longitudinal direction. Since it is easy to inject concrete mortar through the opening, it can be used for the shotcrete method when repairing / reinforcing concrete structures, and it can be used instead of the reinforced pipe frame for slab and wall construction of new concrete structures. In the manufacturing plant As it can be produced in large quantities, it is not necessary to reinforce steel frame construction at the construction site, which can shorten the construction time, reduce the manpower for steel piping work, and shorten the construction time, thereby reducing the repair / reinforcement cost of concrete structures. At the same time, it is possible to improve workability and work efficiency by cutting to any size according to the conditions of the construction site, and can be freely formed in a circular shape so as to facilitate the construction of the tunneled surface of the tunnel. It has a very good effect of being able to endure.

权利要求:
Claims (3)
[1" claim-type="Currently amended] The upper and lower bending supports (102,103) bent in a zigzag form at a predetermined interval and the upper and lower bending supports (102,103) at regular intervals between the cut (crossed) to cut and pulled from both sides partition steel plate (104a) And a plurality of openings 104 formed in a net shape by the &lt; RTI ID = 0.0 &gt;), &lt; / RTI &gt; left and right supporters 106 and 108 formed at both ends of the longitudinal direction of the opening 104, respectively, to support the openings 104 at both ends of the longitudinal direction. Cracked part repair / reinforcement metal plate of the concrete structure, characterized in that there is.
[2" claim-type="Currently amended] The crack of the concrete structure according to claim 1, wherein the opening 104 has three rhombic openings and two rhombic and triangular openings alternately formed from one side in the width direction toward the other. Metal plate for maintenance and reinforcement.
[3" claim-type="Currently amended] The upper and lower bending support (102, 103) is the bending angle (θ) of the bent portion of the concrete structure, characterized in that bent to 15 ° to 60 degrees to facilitate the construction of the concrete structure.

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同族专利:

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公开号 | 公开日

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KR100429100B1|2004-05-04|

引用文献:

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公开号 | 申请日 | 公开日 | 申请人 | 专利标题

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法律状态:
2001-05-30|Application filed by 엠앤에스인더스트리(주)

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2001-05-30|Priority to KR10-2001-0030046A

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2002-12-06|Publication of KR20020091316A

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2004-05-04|Application granted

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2004-05-04|Publication of KR100429100B1

优先权:

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申请号 | 申请日 | 专利标题

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KR10-2001-0030046A|KR100429100B1|2001-05-30|2001-05-30|A still plate for mending/reinforcement crack of concrete structures|