KR20110043026A

KR20110043026A - Precast concrete panel for pavement

Info

Publication number: KR20110043026A
Application number: KR1020090099943A
Authority: KR
Inventors: 김성민; 양성철; 한상주; 이승재; 박정규
Original assignee: 주식회사동일기술공사; 리다산업 주식회사; 주식회사 승화이엔씨; 경희대학교 산학협력단; 주식회사 승화명품건설
Priority date: 2009-10-20
Filing date: 2009-10-20
Publication date: 2011-04-27

Abstract

The present invention relates to a precast concrete panel for road paving, and more particularly, a nut member installed at a plurality of points of the panel body when paving a road by combining a plurality of panel bodies for the construction and maintenance of a road. By improving the structure to combine the weight and horizontal adjustment of the panel body through the bolt member, it not only reduces the grouting area of the panel body but also enables fine horizontal adjustment of the panel body. The present invention relates to a precast concrete panel for road paving, which can simplify the lifting and prevent damage of the panel body during lifting.

Accordingly, the present invention comprises a panel body 11 made of concrete and coupling means installed on the edge side of the panel body 11 to couple the other panel body 11 adjacent to the panel body 11. In the precast concrete panel for road paving, a plurality of through parts 12 are formed to penetrate the inside of the panel body 11 vertically and spaced apart from each other, and are inserted into the through parts 12. The nut member 20 and bolts coupled to the nut member 20 through the penetrating portion 12 and at the upper end are separate tools 70a and 70b for lifting or leveling the panel body 11. Head member 32 is extended to be coupled to the bolt member 30 and the nut member 20 is coupled to the lower end of the panel body 11 is installed to be inserted into a predetermined depth of the panel body 11 Support member 40 for supporting Characterized in that obtained by box.

Road paving, precast, concrete panel, nut member, bolt member

Description

Precast concrete panel for pavement

The present invention relates to a precast concrete panel for road paving, and more particularly, a nut member installed at a plurality of points of the panel body when paving a road by combining a plurality of panel bodies for the construction and maintenance of a road. By improving the structure to combine the lifting and leveling of the panel body through the bolt member, it not only reduces the grouting area of the panel body, but also enables fine horizontal adjustment of the panel body and facilitates the lifting of the panel body. The present invention relates to precast concrete panels for road pavement, which can prevent and damage the panel body during heavy lifting.

In general, the general soil layer is deformed when the wheel load action is repeated, which requires a structure to prevent the deformation caused by the vehicle between the wheel and the soil layer, the structure is composed of several layers, called a pavement layer.

The road pavement forming the pavement layer is divided into soft pavement and rigid pavement according to the surface treatment type, and the typical pavement method is asphalt concrete (hereinafter referred to as asphalt pavement), and the representative pavement pavement is concrete. There is a package.

Ascon pavement is a road paving method that is most commonly applied because it is possible to pass a vehicle within a few hours after installation and there is a lot of technical know-how in Korea.

However, ascon packaging is vulnerable to high temperature and static load due to its characteristics, so most packaging damages are in the form of permanent deformation such as rutting, surface rolling, etc. There is a problem of poor economics in terms of management.

The concrete pavement is known to have superior durability and much lower maintenance costs than ascon pavement, and there are various patching methods for damage of the concrete pavement. There is an unbonded overlay, such as paving asphalt between concrete pavement and new pavement, followed by concrete overlay.

However, the above concrete pavement requires a certain period of curing period to obtain a certain strength, not only can cause a big obstacle in traffic passage, but also the cracks generated on the bottom surface affect the upper concrete pavement in the form of reflection cracks. There is a problem.

A technique for solving the above problems is disclosed in Korean Patent Registration No. 672610 (name: precast concrete panel for road pavement and its manufacturing method).

1 is a perspective view showing a conventional road precast concrete panel, Figure 2 is a cross-sectional view showing a conventional road paving precast concrete panel, as shown, briefly explaining the precast concrete panel (1), A panel body 2 made of concrete, a connection member 3 protruding from at least one surface on an outer circumference thereof to be coupled to another panel body 2 adjacent to the panel body 2, and a slot grout port to which mortar is supplied. And a filling slot (4) in communication with (4a), wherein the connecting member (3) and the filling slot (4) are formed to correspond to the adjacent panel body (2), respectively.

In addition, a lower surface of the panel body 2 is formed with a foam gasket 5 serving as an edge when grouting, and penetrated perpendicularly to the panel body 2 to grout into the foam gasket 5. A ground port 6 is formed, and a ground distribution groove 6a is formed in the lower surface of the panel body 2 so as to communicate with the ground port 6.

The precast concrete panel 1 as described above is installed in a base after flattening the base surface of the road in a state of manufacturing a plurality of formwork.

In the above-mentioned road paving precast concrete panel (1) is installed while connecting in sequence by using the connecting member 3 and the filling slot (4), at this time, mortar through the slot grout port (4a) of the panel (1) Injecting to fix the connecting member (3) coupled in the filling slot (4).

In addition, when mortar is injected through the ground port 6, the mortar is supplied into the foam gasket 5 through the ground distribution groove 6a communicating with the ground port 6, thereby providing an empty space between the panel and the substrate. Filling allows the substrate to support the panels evenly.

However, the conventional precast concrete panel 1 is horizontally adjusted only by mortar injected into the ground distribution groove 6a communicated with the ground port 6 after the lower base is flattened. Fine leveling of the body 2 was very difficult problem.

An object of the present invention for solving the above-mentioned problems is through a nut member and a bolt member installed at a plurality of points of the panel body when paving the road by coupling a plurality of panel bodies to each other for the establishment and maintenance of the road. By improving the structure to combine the lifting and leveling of the panel body, it not only reduces the grouting area of the panel body, but also enables fine horizontal adjustment of the panel body and eases the lifting of the panel body. It is to provide a precast concrete panel for road pavement that can prevent damage to the panel body.

The present invention for achieving the above object is a precast concrete panel for road paving comprising a panel body made of concrete and a coupling means installed on the edge side of the panel body to couple the other panel body adjacent to the panel body And a plurality of through parts formed vertically through the inside of the panel body and spaced apart from each other at a predetermined interval, a nut member inserted into the through parts, and bolted to the nut member through the through parts. In addition, the upper part of the bolt member and the head member is extended to be coupled to a separate tool for adjusting the weight or level of the panel body, and coupled to the lower end of the nut member and is installed to be inserted into the lower side of the panel body at a predetermined depth It characterized in that it comprises a support member for supporting the body The.

The present invention combines the lifting and leveling of the panel body through a nut member and a bolt member installed at a plurality of points of the panel body when paving the road by coupling a plurality of panel bodies to each other for the establishment and maintenance of the road. By improving the structure to be able to do so, not only reduces the grouting portion of the panel body, but also allows fine horizontal adjustment of the panel body and facilitates lifting of the panel body.

In addition, by providing a cylindrical member in the penetrating portion of the panel body, excessive deformation of the bolt member is prevented, thereby preventing damage to the penetrating portion.

In addition, by forming a hemispherical groove on the upper side of the through part of the panel body to secure a work space, a separate tool for lifting and leveling the panel body can be smoothly carried out. In the process, since the size of the hemispherical groove is larger than the flow range of the tool, interference and breakage with the panel body are prevented.

In addition, by installing a support plate on the base of the road corresponding to the bolt member, the base of the road because the lower end of the bolt member is supported in contact with the support plate when rotating the bolt member for horizontal adjustment of the panel body Without this pie, no unequal settlement occurs.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

Repeated description of the same parts as in the prior art will be omitted.

Figure 3 is a perspective view showing a precast concrete panel for road paving according to the present invention, Figure 4 is a cross-sectional view showing a precast concrete panel for road paving according to the present invention, Figures 5 and 6 is an enlarged cross-sectional view showing a part A in FIG. 7A and 7B are schematic views showing a state in which a panel body is lifted by a heavy lifting machine in a precast concrete panel for road pavement according to the present invention.

As shown, the precast concrete panel 10 for paving the road according to the present invention is installed on the base of the road, as well as the through portion 12, nut member 20, bolt member 30, support member 40 ) Is provided with a panel body (11) and a coupling means installed on the edge side of the panel body (11) to couple the other panel body (11) adjacent to the panel body (11).

The panel body 11 may be made of more various materials as well as concrete or synthetic resin, and is manufactured in large quantities through a die or a mold.

In addition, the panel body 11 may be formed in a square or rectangular shape, or when installed in a curved road, the panel body 11 may be formed in various shapes such as a curved surface.

On the other hand, the panel body 11 may be further formed with a ground port 17 so as to grout to the lower side of the panel body (11).

In addition, the coupling means, in order to couple the adjacent panel body 11 to each other to form a connection member 15 on one panel body 11, the other panel body 11 and the connection member 15 and the corresponding It is made by forming the filling slot 16 in the position. In this case, a grout port 16a is formed in the panel body 11 in which the filling slot 16 is formed to inject mortar into the filling slot 16.

Therefore, the connecting member 15 and the filling slot 16 is installed while connecting the panel body 11 in sequence, at this time, by injecting mortar through the grout port 16a of the panel body 11 The connection member 15 coupled to the filling slot 16 is fixed.

Hereinafter, the panel body 11 will be described in detail.

The panel body 11 includes a through part 12, a nut member 20, a bolt member 30, and a support member 40.

The through parts 12 are vertically penetrated inside the panel body 11, and a plurality of through parts 12 are spaced apart from each other by a predetermined interval.

The nut member 20 is inserted into the through part 12 and coupled to the lower side of the through part 12.

At this time, the length of the nut member 20 will vary depending on the height and overall weight of the panel body 11 and the lifter (crane, lift, etc.) for lifting the panel body 11. This is no problem when the tool 7a of the lifter lifts in a state perpendicular to the panel body 11 as shown in FIG. 7A, but the tool 70a of the lifter lifts the panel body 11 as shown in FIG. 7B. The length of the nut member 20 determines the extent to which the bolt member 30 can withstand the bending moment generated by the eccentricity in the case of lifting in the diagonal direction.

Therefore, in the present invention, the length of the nut member 20 is formed to be about 1/2 of the length of the through part 12, so that the tool 70a of the heavy lifting machine is in an oblique state with the panel body 11. In the case of lifting in the bending moment generated in the bolt member 30 was enough to withstand.

If the length of the nut member 20 is smaller than 1/2 of the length of the penetrating portion 12, the bolt member 30 is less likely to correspond to the bending moment, and is larger than 1/2 of the length of the penetrating portion 12. As the manufacturing cost and assembly time of the bolt member 30 increases.

In addition, the bolt member 30 is bolted to the nut member 20 through the penetrating portion 12, and a separate tool 70a for lifting or leveling the panel body 11 at the upper end thereof. The head 32 is expanded to be mounted with 70b).

That is, the tab member 31 is formed on a part of the outer circumferential surface for coupling with the nut member 20 in the bolt member 30, and the head part 32 is formed in a hexagonal shape or other shape at the upper end thereof.

The head part 32 is equipped with a tool 70a of the heavy lifting machine when lifting the panel body 11, and a tool for rotating the bolt member 30 when adjusting the horizontality of the panel body 11 ( 70b) is mounted.

In addition, the through part 12 is provided with a cylindrical member 50 which is spaced apart from the outer circumferential surface of the bolt member 30 to prevent excessive deformation of the bolt member 30.

The cylindrical member 50 is in the form of a pipe, the upper end of the nut member 20.

That is, when the tool 70a of the heavy lifter is lifted in an oblique state with the panel body 11, the bolt member 30 may be bent, and when the bolt member 30 is excessively bent, the through part The penetrating portion 12 may be broken while being rubbed with 12.

Accordingly, when the cylindrical member 50 is installed on the inner circumferential surface of the through part 12, the through member 12 supports the bolt member 30 when the bolt member 30 is deformed and prevents excessive deformation. To prevent damage.

On the other hand, the length of the cylindrical member 50 is preferably formed of 1/2 of the length of the through part 12.

The upper portion of the through part 12 secures a space such that a tool 70a for lifting the panel body 11 is smoothly coupled to the head 32 of the bolt member 30, and the panel body. A hemispherical groove 13 is formed to prevent breakage of the 11, and the head part 32 of the bolt member 30 is formed to be located inside the groove 13.

That is, in order to lift the panel body 11 with a lifter, the tool 70a of the lifter must be mounted on the head 32 of the bolt member 30, so When the hemispherical groove 13 is formed, the tool 70a can be smoothly mounted to the head 32 of the bolt member 30.

In addition, when the tool 70a of the lifter lifts in the oblique state with the panel body 11, the tool 70a may cause friction with the panel body 11, so that the panel body 11 may be damaged. If the hemispherical groove 13 is formed, this problem can be prevented.

In addition, the support member 40 is coupled to the lower end of the nut member 20 and is installed to be inserted into the lower surface of the panel body 11 so as to support the panel body 11.

The support member 40 may be formed of a circular iron plate centered on the nut member 20, or may be formed by combining a plurality of plates radially to the outer circumferential surface of the nut member 20.

In addition, a connector 42 embedded in the panel body 11 is installed at the edge end side of the support member 40. That is, the coupling force is increased between the support member 40 and the panel body 11 through the connector 42 to prevent the support member 40 from being separated from the panel body 11.

And, when the horizontal adjustment of the panel body 11 through the rotation of the bolt member 30, the base of the road to the base of the road corresponding to the bolt member 30 and to prevent the occurrence of uneven settlement The support plate 60 is installed on it.

Therefore, when the bolt member 30 is rotated to horizontally adjust the panel body 11, the bottom of the bolt member 30 contacts the upper side of the support plate 60, so the base of the road is fiji. And no unequal settlement occurs.

In this case, since the concentrated load of the panel body 11 may act through the bolt member 30, the bolt member 30 may correspond to a portion of the support plate 60 in contact with the bolt member 30. On the upper side of the support plate 60 in contact with the reinforcement portion 61 is formed to reinforce the support plate 60.

On the other hand, the support member 40 is formed with a groove 41 in the same shape as the reinforcement portion 61 in a position corresponding to the reinforcement portion 61 of the support plate 60. That is, not only does not interfere with the reinforcing portion 61 protruding from the support plate 60 when the panel body 11 is horizontally adjusted, but also the luminance is generated on the bottom surface of the nut member 20 when concrete is formed. This is to prevent it.

In addition, the plurality of through parts 12, the nut member 20, and the bolt member 30 installed in the panel body 11 are at least three points for horizontal adjustment (height adjustment) of the panel body 11. It should be installed at 4 to 6 points, but it is preferable to install at 4 points.

In this case, if the panel body 11 is close to a square, four are installed at the corner side, and in the case of a rectangle, four can be added at the corner side and, if necessary, two in the longitudinal direction. Can be installed additionally.

Hereinafter, the operation of the precast concrete panel 10 for paving the road according to the present invention will be described.

Prior to the description, the panel body 11 is manufactured in large quantities by formwork, and the panel body 11 manufactured as described above is installed on a paved layer processed on a new road or an existing road, which is installed on an existing road. If possible, it may be in any form, such as damage to the pavement layer of the existing road, partial depth of the pavement layer of the existing road, full depth of the pavement layer of the existing road.

In this case, a coupling hole (not shown) may be formed at the outermost side of the existing road so that the connection member 15 can be inserted and coupled by using a drill or the like for coupling with the panel body 11.

On the other hand, in the case of lifting the panel body 11 by lifting the lifter, it is only necessary to mount the tool 70a of the lifter to the head 32 of the bolt member 30 to lift the panel body 11 The lifting work of the can be done easily.

At this time, when the tool 70a of the lifter is mounted on the head 32 of the bolt member 30, the hemispherical groove 13 formed in the panel body 11 secures a working space. The mounting operation can be smoothly performed, and the interference and damage with the panel body 11 are prevented because the size of the hemispherical groove 13 is larger than the flow range of the tool 70a even during the lifting process.

Subsequently, when assembling the plurality of panel bodies 11 on a new road or an existing road, first, a support plate 60 is installed on a base at a position where the panel body 11 is to be installed, and the panel body thereon. (11) are assembled, that is, assembling while connecting the connecting member 15 and the filling slot 16 formed in each panel body (11).

And, the horizontal adjustment method of the panel body 11, when the bolt member 30 coupled to the nut member 20 of the panel body 11 is rotated through the tool 70b, the bolt member 30 The bottom of the panel is in contact with the support plate 60 installed on the base layer, the height of the panel body 11 is adjusted.

At this time, when the bolt member 30 is installed at four corners of the panel body 11 as shown in the drawing, by rotating each bolt member 30 installed at four points of the panel body 11 You can finely adjust the level.

In addition, since the lower end of the bolt member 30 is supported in contact with the support plate 60, the base layer of the road does not pie in the process of rotating the bolt member 30 does not cause inequality.

As described above, after the horizontal adjustment of the panel body 11 is completed, the mortar is injected through the grout port 16a to fix the connecting member 15 coupled to the filling slot 16. Mortar can also be injected into the lower side of the panel body 11 through the ground port 17 of the body 11 to reinforce the lower portion of the panel body 11 as well as to improve the flatness of the panel body 11. have.

Although the vehicle can be driven even when the road is paved through the above method, the finishing process such as diamond coating or the like can be further applied to the upper surface of the panel body 11.

1 is an exploded perspective view showing a conventional precast concrete panel for road pavement,

Figure 2 is a cross-sectional view showing a conventional precast concrete panel for road paving,

Figure 3 is a perspective view showing a precast concrete panel for road paving according to the present invention,

Figure 4 is a cross-sectional view showing a precast concrete panel for road paving according to the present invention,

5 and 6 are enlarged cross-sectional views showing part A in FIG.

7A and 7B are schematic views showing a state in which the panel body is lifted by a lifting machine in the precast concrete panel for road pavement according to the present invention.

10: concrete panel 11: panel body

12: through part 13: groove

15: Connecting member 16: Filling slot

16a: grout port

17: ground port 20: nut member

30: bolt member 31: tab

32: head 40: support member

41: groove 42: connector

50: cylindrical member 60: support plate

61: reinforcement part 70a, 70b: tool

Claims

Precast concrete for road pavement comprising a panel body 11 made of concrete and coupling means installed on the edge side of the panel body 11 to couple the other panel body 11 adjacent to the panel body 11. In the panel,

A plurality of through parts 12 formed vertically through the inside of the panel body 11 and spaced apart from each other by a predetermined interval;

A nut member 20 inserted into and coupled to the through part 12;

The head part 32 is coupled to the nut member 20 through the through part 12 and coupled to a separate tool 70a or 70b for lifting or leveling the panel body 11 at the upper end thereof. The bolt member 30 is formed with an extension,

The road is coupled to the lower end of the nut member 20 and is installed to be inserted into the lower side of the panel body 11 to a predetermined depth, comprising a support member 40 for supporting the panel body 11 Precast concrete panels for paving.

The method of claim 1,

Precast concrete for road paving, characterized in that the through part 12 is provided with a cylindrical member 50 is installed spaced apart from the outer peripheral surface of the bolt member 30 to prevent excessive deformation of the bolt member 30. panel.

The method of claim 1,

The panel body 11 is secured to a space such that a tool 70a for lifting the panel body 11 is coupled to the head 32 of the bolt member 30 at the upper portion of the through part 12. The hemispherical groove 13 is formed so as to prevent breakage), and the head portion 32 of the bolt member 30 is formed to be located inside the groove 13. Precast concrete panels.

The method of claim 1,

The precast concrete panel for road paving, characterized in that the support member 40 is provided with a connector 42 embedded in the panel body 11 to prevent separation from the panel body (11).

The method of claim 1,

When the horizontal adjustment of the panel body 11 through the rotation of the bolt member 30 on the base of the road corresponding to the bolt member 30 so as to prevent occurrence of uneven settlement while piling the base of the road. Support plate 60 is installed,

The precast concrete panel for road pavement, characterized in that the reinforcing portion 61 is protruded to correspond to the concentrated load of the panel body (11) in the contact portion of the support plate 60 in the bolt member (30).

The method of claim 1,

The length of the nut member 20 is a precast concrete panel for road paving, characterized in that formed in 1/2 of the length of the through part (12).