JPH0796768B2 - Concrete panel mounting structure - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting structure for a concrete panel, which is mainly applied to repair a seawall constructed by steel sheet piles on the shore of a river or the like.

[0002]

2. Description of the Related Art Steel sheet piles are often used for the construction of revetment walls, etc. constructed on the shores of rivers and lakes because of the relatively short construction period. A concrete panel (hereinafter referred to as a decorative panel) may be attached to the seed revetment wall as a decorative panel so as to cover the front side of the steel sheet pile for the purpose of makeup. Conventionally, this type of decorative panel has been directly attached to a steel sheet pile by bolting or the like.

[0003]

The conventional decorative panel is
Since it is attached as described above, there has been a problem that the surface of the decorative panel becomes uneven due to an error in driving the steel sheet pile. In addition, it was not always possible to completely integrate the steel sheet pile and the decorative panel.

The present invention has been made in order to solve the above problems, and absorbs a driving error of a steel sheet pile when a revetment wall or a retaining wall made of steel sheet pile is restored by a decorative panel. It is an object of the present invention to provide a mounting structure for a concrete panel, which enables a decorative panel to be mounted with high accuracy, and also allows the decorative panel and the steel sheet pile to be completely integrated to enhance the scenery of the seawall made of steel sheet pile. To do.

[0005]

A concrete panel mounting structure according to the present invention has a connecting beam for connecting the upper end of the steel sheet pile to the upper end of the steel sheet pile installed as a revetment in the lateral direction of the steel sheet pile. , A plurality of stud bolts are projected on the front side of the steel sheet pile, and a guide metal fitting having a substantially U-shaped cross section is attached to the stud bolt by a fixing nut so that the stud bolt can be moved back and forth. A corrugated part and a receiving beam are provided on the front side part and the inner part of the upper end, respectively, and the receiving beam is placed and fixed on the connecting beam, and a receiving bracket having an approximately U-shaped cross section is provided on the inside part of the concrete panel. And mounting the receiving metal fitting on the guide metal fitting, and by pouring concrete in the gap between the steel sheet pile and the concrete panel. That.

[0006]

1 to 8 show an embodiment of a concrete panel mounting structure according to the present invention. In the drawings, reference numeral 1 designates a steel sheet pile serving as a body of a revetment wall, and 2 designates steel sheet piles 1 which are adjacent to each other. A connecting beam for integrally connecting the upper end portions, 3 is a concrete panel that covers the front side of the steel sheet pile 1 (hereinafter referred to as "decorative panel"), 4 is placed on the steel sheet pile 1 and the connecting beam 2, and the makeup is applied. A receiving beam 5 for supporting the upper end of the panel 3 on the upper ends of the steel sheet pile 1 and the connecting beam 2 is an anchor bolt for fixing the upper end of the decorative panel 1 to the connecting beam 2, 6, 7, 8 and 9 being decorative Stud bolts, guide fittings, receiving fittings and fixing fittings for fixing the inner portion of the panel 3 to the steel sheet pile 1, 10
Is a bottom plate that closes the bottom of the gap 11 between the steel sheet pile 1 and the decorative panel 3, and reference numeral 12 is placed in the upper end of the receiving beam 4 and in the gap 11 between the steel sheet pile 1 and the decorative panel 3. It is concrete.

The connecting beam 2 is constructed to continuously and integrally connect the upper ends of the steel sheet piles 1 that are continuously cast in the lateral direction and to increase the rigidity of the upper ends of the steel sheet piles 1. It is made of cast-in-place concrete or shaped steel.

The decorative panel 3 is formed of a precast concrete plate, and has a corrugation 3a formed at the upper end of its front side surface. Further, the decorative panel 3 is attached to the outer side of the steel sheet pile 1 while being abutted with each other without a left-right gap. A joint member 3b for stopping water is interposed at the abutting portion between the adjacent decorative panels 3 and 3.

The receiving beam 4 is horizontally projected inside the upper end of the decorative panel 3. The receiving beam 4 is made of a shaped steel such as an H-shaped steel, and two to three or more of the receiving beams 4 project in the width direction of the decorative panel 3 at predetermined intervals.

Further, the receiving beam 4 is placed on the upper ends of the steel sheet pile 1 and the connecting beam 2, and a fixing member 13 made of an angle member or the like is bridged between the receiving beams 4 and 4 adjacent to each other. 13 is fixed to the connecting beam 4 by a plurality of anchor bolts 5, and thus the upper end portion of the decorative panel 3 is fixed to the connecting beam 2. At that time, a level adjusting member 14 made of an angle member or the like is attached to the upper end portion of the steel sheet pile 1,
The level adjustment member 14 slightly raises the decorative panel 3 to adjust the level of the upper end of the decorative panel 3. It is needless to say that the decorative panel 3 does not necessarily have to be made of precast concrete, and may be a steel panel or FRP panel that has been carefully rust-proofed.

The stud bolt 6 is welded directly to the front surface of the steel sheet pile 1 or is previously welded to a vertically long strip-shaped plate, and this strip plate is welded to the steel sheet pile 1, whereby the steel sheet pile 1 is vertically aligned. It is projected at intervals.

The guide metal fitting 7 is formed of a channel steel or the like having a substantially U-shaped cross section, and is sandwiched by a plurality of stud bolts 6 from the front and the back by fixing nuts 15 to fix the steel sheet pile 1. It is attached along the vertical direction. Further, the guide metal fitting 7 is fixed nuts 15 and 15
It is attached so that it can be turned back and forth.

The receiving fitting 8 is formed in a substantially U-shaped cross section, is embedded in the concrete inside the decorative panel 3 along the vertical direction thereof, and is attached by anchoring. Then, the flange 7 a of the guide metal fitting 7 is engaged with the metal fitting 8 to fix the inner portion of the decorative panel 3 to the steel sheet pile 1.

The guide metal fitting 7 is fixed to the steel sheet pile 1 through a fixing metal fitting 9 made of an angle material or the like. The fixing fitting 9 is fixed to the guide fitting 7 and the steel sheet pile 1 by welding.

When mounting the decorative panel 3, the fixing nuts 15 and 15 are appropriately rotated to guide the metal fitting 7.
The front and side surfaces of the decorative panel 3 can be adjusted so as to be flush by moving the and.

Further, the decorative panel 3 can be easily built by vertically dropping the decorative panel 3 along the guide metal fitting 7 to the outside of the steel sheet pile 1.

The bottom plate 10 is horizontally welded to the front side of the steel sheet pile 1 at a position slightly apart from the lower end of the decorative panel 3, and the lower end of the decorative panel 3 is attached to the bottom plate 10 by an angle member or the like. 11 is fixed via a fixing metal fitting 16 made of, and is a gap portion 11 between the steel sheet pile 1 and the decorative panel 3.
Is completely closed at the bottom. The fixture 16 is attached to the bottom plate 10 and the decorative panel 3 by welding.

The concrete 12 is poured to fill the gap 11 between the steel sheet pile 1 and the decorative panel 3 and also to fill the receiving beam 4, the anchor bolt 5 and the fixing plate 13, and as a general rule, it is on the ground. Normally concrete is used for the part and underwater concrete is used for the underwater part, but underwater concrete may be used for both the above-ground part and the underwater part in order to avoid complexity in construction.

The concrete 12 is finally cast after the decorative panel 3 and the like are attached, and at that time, the steel sheet pile 1
The gap portion 11 between the decorative panel 3 and the decorative panel 3 is partitioned into a plurality of parts by the fixing metal fitting 9. Therefore, by placing the concrete 12 in each block partitioned by the fixing metal fitting 9, the concrete 12 is surely secured. Can be cast.

[0020]

Since the present invention is constructed as described above, it has the following effects. The decorative panel is not directly attached to the surface of the steel sheet pile, but is attached via a guide fitting, and this guide fitting is attached to a stud bolt protruding from the surface of the steel sheet pile so that it can be moved back and forth by a fixing nut. Since it is attached, it is possible to accurately install the decorative panel by absorbing the hammering error of the steel sheet pile, and therefore when using the decorative panel to repair the seawall and retaining wall made of steel sheet pile, the decorative panel It can be installed accurately and prevent rust on the seawall and retaining wall made of steel sheet pile, thus enhancing the scenery.

A connecting beam connecting the upper end of the steel sheet pile to the upper end of the steel sheet pile is continuously provided in the lateral direction of the steel sheet pile, and the decorative panel has a receiving beam projecting from the upper end thereof. Since it is placed on the connecting beam and is fixed to the connecting beam by anchor bolts, it is supported by the steel sheet pile, and concrete is placed in the gap between the steel sheet pile and the decorative panel. The rigidity of the upper end portion of the steel sheet pile is remarkably enhanced, and the decorative panel and the steel sheet pile are completely integrated so that the decorative panel can be securely attached.

Since the main work such as the driving of the steel sheet pile, the mounting of the decorative panel and the placing of the concrete can be dry construction from the land, the work efficiency, the construction cost and the construction period can be shortened. Can be achieved.

Since the wave-back portion is formed on the front side portion of the upper end of the decorative panel, it is possible to suppress the splash of waves, and since the decorative panel can be manufactured at the factory, a free design can be added to the surface of the decorative panel. By doing so, the design of the decorative panel can be improved.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional view of a revetment wall showing an embodiment of a concrete panel mounting structure according to the present invention.

FIG. 2 is a rear view of the concrete panel shown in FIG.

FIG. 3 is a side view of the concrete panel of FIG.

FIG. 4 is an enlarged cross-sectional view of an upper end portion of the seawall of FIG.

FIG. 5 is an enlarged plan view of an upper end portion of the seawall of FIG.

6 is a transverse cross-sectional view of an intermediate portion of the seawall of FIG.

FIG. 7 is an enlarged cross-sectional view of a butt portion of the concrete panel of the seawall of FIG.

FIG. 8 is an enlarged vertical view of a lower end portion of the seawall of FIG.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Steel sheet pile, 2 ... Connecting beam, 3 ... Decorative panel (concrete panel), 4 ... Receiving beam, 5 ... Anchor bolt, 6 ... Stud bolt, 7 ... Guide metal fitting, 8 ... Receiving metal fitting, 9 ... Fixing metal fitting, 10 ... bottom plate, 11 ... gap part, 12 ... concrete, 13 ... fixing plate, 14 ... level adjusting member, 15
… Fixing nut, 16… Fixing metal fittings.

Claims (1)

[Claims] 1. A concrete panel mounting structure in which a plurality of concrete panels are mounted on the front side of a steel sheet pile that serves as the body of a seawall, and a connecting beam that connects the upper end portion of the steel sheet pile to the upper end portion of the steel sheet pile. It is provided continuously in the lateral direction of the steel sheet pile, and a plurality of stud bolts are projectingly provided on the front side portion of the steel sheet pile, and a guide metal fitting having a substantially U-shaped cross section can be moved back and forth by a fixing nut on the stud bolt. Attached to the front side and the inner side of the concrete panel at the front side and the inside of the receiving beam, respectively, the receiving beam is placed on the connecting beam and fixed, and the cross section of the inside of the concrete panel is substantially While attaching a U-shaped bracket, engage this bracket with the guide bracket,
Further, a concrete panel mounting structure, characterized in that concrete is cast in a gap between the steel sheet pile and the concrete panel.