JP2016191203A - Mounting structure of outer plate to rigid guard fence - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a mounting structure of an outer plate to a rigid guard fence capable of stably mounting an outer plate to a rigid guard fence in a short construction period at a low cost.SOLUTION: A top beam member 11 includes: a gripping part which grips both sides of a top part 90A of a rigid guard fence 90; a connection part which is disposed above the top part 90A of the rigid guard fence 90 to connect opposite gripping parts; and a rise-up part which is vertically disposed above the connection part, extends in a direction along a road, and is connected to a connection part. The top beam member 11 is attached to the rigid guard fence 90 by means of an anchor which is embedded in the top part 90A of the rigid guard fence 90. An outer plate 42 is attached to the rise-up part and is disposed along at least the side face of the rigid guard fence 90 among the side face and the upper plane thereof.SELECTED DRAWING: Figure 7

Description

  The present invention relates to a structure for attaching an exterior plate to a rigid protective fence. Here, the rigid guard fence is a guard fence that allows only deformation within elastic deformation of a main member constituting the guard fence.

  Rigid protective fences are often erected along the road to prevent the vehicle from falling on the elevated part of the road dedicated to automobiles.

  On the other hand, many automobile roads such as the Metropolitan Expressway have passed several decades since construction, and the number of rigid protective fences that have passed decades since construction has increased.

  For this reason, from the viewpoint of weather resistance and landscape, it is required to take some measures against the rigid protective fence, and as one of the countermeasures, it is considered to install an exterior plate on the rigid protective fence. .

  Specifically, Patent Documents 1 and 2 suggest that an exterior plate is attached to both side surfaces of a rigid protective fence with anchor bolts. Patent Document 3 proposes using a decorative plate having one end locked to the outside of the floor slab and the other end locked to the inner side surface of the web portion of the outer main girder.

  However, in the techniques described in Patent Documents 1 and 2, a large number of bolts penetrating the existing wall body are used in the height direction in attaching the reinforcing plate, and the reinforcing bars disposed inside the existing wall body are used. It is necessary to search almost everything on-site, which increases the construction period and the construction cost.

  In addition, the decorative board used in the technique described in Patent Document 3 is large such that one end is locked to the outer side of the floor slab and the other end is locked to the inner side surface of the web portion of the outer main girder. Necessary.

Japanese Patent No. 4735223 JP 2002-227134 A JP-A-11-100811

  The present invention has been made in view of such a situation, and has a structure for attaching an exterior plate to a rigid protective fence that can be stably attached at a short construction period and at a low cost. The issue is to provide.

  This invention solves the said subject with the attachment structure of the exterior board to the following rigid protection fences.

  In other words, the mounting structure of the exterior plate to the rigid guard fence according to the present invention is a structure of attaching the exterior plate to the rigid guard fence erected along the road, and is provided at the top of the rigid guard fence. A top beam member extending in a direction along the road; and an exterior plate attached to the top beam member, and the top beam member is opposed to sandwich both side surfaces of the top of the rigid protective fence. A sandwiching portion, a connecting portion that is disposed above the top of the rigid protective fence and connects the opposing sandwiching portions, a standing portion that is located above the connecting portion and extends along the road, and The top beam member is attached to the rigid guard fence by an anchor embedded in the top of the rigid guard fence, and the exterior The plate is attached to the standing part Have been a mounting structure of the outer plate to the rigid guard fence, characterized by being arranged along at least the side surface of the side and upper surfaces of said rigid guard fence.

  In addition, in this application, "the direction along a road" is a "direction where a road extends", and both mean the same direction. In the present application, since the rigid protective fence is erected along the road, the “direction in which the rigid protective fence extends” is the same direction as the “direction along the road” and the “direction in which the road extends”.

  In addition, the “top portion of the rigid protection fence” is a portion of the upper end portion including the upper surface among the rigid protection fence portions, and the sandwiched portions of the top beam member are directly or indirectly on both sides of the portion. It is a part that can be sandwiched between. Here, “directly or indirectly sandwiching” is a concept that includes not only direct contact and sandwiching but also sandwiching, for example, a sheet material having shape followability.

  The rigid guard fences erected along the road are often erected at the transverse end of the road or at the median strip.

  In the mounting structure of the exterior plate to the rigid protective fence, the top beam member includes a first beam member and a second beam member, and the first beam member includes a vertical plate-like portion and a horizontal plate portion. The second beam member has a vertical plate-like portion and a horizontal plate-like portion, and the sandwiched portion of the top beam member is formed by the first beam member. The vertical plate-like portion and the vertical plate-like portion of the second beam member are provided, and the connecting portion of the top beam member is the horizontal plate of the first beam member. You may comprise so that it may have at least one part of the said horizontal direction plate-shaped part of a shape part and a said 2nd beam member.

  Further, in the structure for attaching the exterior plate to the rigid guard fence, the top beam member includes a first beam member and a second beam member, and the first beam member is on both sides of the rigid guard fence. A plate-like portion along one side surface of the surface and a plate-like portion in the horizontal direction, and the second beam member is a plate-like portion along the other side surface of the both sides of the rigid protective fence. And a horizontal plate-like portion, and the sandwiching portion of the top beam member is formed on the plate-like portion along the one side surface of the first beam member and the other side surface of the second beam member. And the connecting portion of the top beam member includes a horizontal plate-like portion of the first beam member and a horizontal plate-like portion of the second beam member. You may comprise so that it may have at least one part.

  In the mounting structure of the exterior plate to the rigid protective fence, after confirming safety, the anchors are provided in a row at the top of the rigid protective fence, and the interval between adjacent anchors is 500 mm or more and 1500 mm. It is good also as follows.

  A long hole extending in the extending direction of the rigid guard fence may be provided in the connecting portion so as to penetrate vertically, and the anchor may be inserted through the long hole.

  A plate-like reinforcing portion that is erected above the connecting portion and is disposed so as to be substantially orthogonal to the direction along the road is further provided, and the plate-like reinforcing portion includes the connecting portion and the connecting portion. You may comprise the attachment structure of the exterior board to the said rigid protection fence so that it may be connected with the standing part.

  Here, since the standing portion extends in a direction along the road, the plate-like reinforcing portion disposed so as to be substantially orthogonal to the direction along the road is substantially orthogonal to the standing portion.

  The plate-shaped reinforcing portion may be provided with a through hole in a direction substantially parallel to the direction along the road, and a structure for attaching the exterior plate to the rigid protective fence may be configured so that a wire is inserted into the through hole. .

  A height adjusting member that is movable in the vertical direction is attached to the connecting portion, and the exterior plate is attached to the rigid protective fence so that the lower end of the height adjusting member can protrude below the lower end of the connecting portion. A structure may be configured.

  For example, a bolt may be used as the height adjusting member.

  It is preferable from the viewpoint of maintenance management that the top beam member can be divided and separated in the extending direction of the rigid protective fence and can be replaced.

  The top beam member may be made of steel. Further, the top beam member may be a steel material built up from a steel plate or a section steel.

  In the structure for attaching the exterior plate to the rigid protective fence, the exterior plate includes a first exterior plate having a surface along the outer surface of the rigid protective fence and a surface along the inner surface of the rigid protective fence. 2, and a structure for attaching the exterior plate to the rigid protective fence is further disposed along an outer surface of the rigid protective fence, and an upper portion is the top portion. A plurality of suspension members connected to a beam member; and a lower horizontal member attached to lower portions of the plurality of suspension members and extending in a horizontal direction, the top beam member, the plurality of suspension members And the lower horizontal member forms a rectangular frame, and the first exterior plate of the exterior plates is attached to the outside of the rectangular frame. May be.

  Here, the “outer side of the rigid protective fence” is the side of the rigid protective fence opposite to the road, and the “inner side of the rigid protective fence” is the side of the rigid protective fence. It is the side of the road side.

  In addition, the “outside of the rectangular frame” refers to the side of the surface opposite to the rigid protective fence in the virtual rectangular flat plate having the rectangular frame as four sides.

  In the mounting structure of the exterior plate to the rigid protective fence, the upper end of the first exterior plate attached to the outside of the rectangular frame body reaches above the connection portion, and the connection At least a part of the upper end portion reaching above the portion is bent toward the rigid protective fence, and the upper surface of the portion bent toward the rigid protective fence is A ring-shaped member may be provided, and a wire may be inserted through the ring-shaped member.

  In the mounting structure of the exterior plate to the rigid protective fence, a draining structure is further provided at a lower end portion of the first exterior plate attached to the outside of the rectangular frame, and the draining structure includes the first draining structure. Of the exterior plate, a projection that is connected to the lowermost portion of the portion along the outer side surface of the rigid protective fence and protrudes downward, and is connected to the protrusion and obliquely downward toward the rigid protective fence. You may comprise so that it may have the inclination part extended and the vertical part connected with the lowest part of the said inclination part, and extended in the substantially perpendicular direction downward.

  It is preferable from the viewpoint of maintenance management that the first exterior plate can be divided and separated in the extending direction of the rigid protective fence and can be replaced.

  Each of the plurality of suspension members and the lower horizontal member may be made of steel.

  In the case where the rigid protective fence is erected on a ground cover provided along the road, the exterior plate includes a first exterior plate having a surface along an outer surface of the rigid protective fence, and the rigidity. A second exterior plate having a surface along the inner side surface of the protective fence, and the second exterior plate of the exterior plates is attached to the upright portion of the top beam member, and the ground You may comprise so that it may also attach to the upper surface of a cover.

  It is preferable from the viewpoint of maintenance management that the second exterior plate can be divided and separated in the extending direction of the rigid protective fence and can be replaced.

  According to the present invention, it is possible to stably attach the exterior plate to the rigid protective fence in a short construction period and at a low cost, and industrial waste is hardly generated during construction.

The cross-sectional view which shows the base | substrate structure 10 of the attachment structure 40 of the exterior board to the rigid protection fence which concerns on embodiment of this invention (cross-sectional view cut | disconnected by the surface orthogonal to the direction where a road extends) The expanded side view which looked at the top steel material 12 in this embodiment from the extending direction of the rigid protection fence 90 The top view which looked at the top beam member 11 in this embodiment from the upper direction The enlarged side view which looked at the height adjustment mechanism in this embodiment from the extending direction of the rigid protection fence 90 The side view which looked at the lower horizontal steel material 20 in this embodiment from the direction orthogonal to the longitudinal direction The side view which looked at the frame 22 of the foundation structure 10 in this embodiment from the opposite side to the road The cross-sectional view which shows the attachment structure 40 of the exterior board to the rigid protection fence which concerns on embodiment of this invention (cross-sectional view cut | disconnected in the surface orthogonal to the direction where a road extends) Cross-sectional view showing a top portion (VIII portion in FIG. 7) of the mounting structure 40 according to this embodiment in an enlarged manner (cross-sectional view cut along a plane orthogonal to the direction in which the road extends) Cross-sectional view (cross-sectional view cut along a plane orthogonal to the direction in which the road extends) showing a lower end portion (IX portion in FIG. 7) on the side opposite to the road of the mounting structure 40 according to the present embodiment. Cross-sectional view showing a lower end portion (X portion in FIG. 7) of the road side of the mounting structure 40 according to the present embodiment in an enlarged manner (cross-sectional view cut along a plane perpendicular to the direction in which the road extends)

  Hereinafter, referring to the drawings, a structure 40 for attaching an exterior plate to a rigid guard fence according to an embodiment of the present invention will be described in detail. As shown in FIGS. 1 and 7, according to the embodiment of the present invention. The mounting structure 40 of the exterior plate to the rigid protective fence is a structure in which the exterior plate 42 (the first exterior plate 44 and the second exterior plate 46) is attached to the base structure 10.

  Therefore, in the following, first, the base structure 10 serving as a base for mounting the exterior plate 42 in the mounting structure 40 will be described, and then the attachment structure 40 configured by attaching the exterior plate 42 to the base structure 10. explain.

(1) Base Structure FIG. 1 is a cross-sectional view showing a base structure 10 of a structure 40 for attaching an exterior plate to a rigid guard fence according to an embodiment of the present invention (a cross-sectional view cut along a plane perpendicular to the direction in which a road extends). 2 is an enlarged side view of the top steel member 12 of the top beam member 11 of the foundation structure 10 as seen from the direction in which the rigid guard fence 90 extends, and FIG. 3 shows the top beam member 11 of the foundation structure 10 upward. 4 is an enlarged side view of the height adjustment mechanism of the foundation structure 10 as seen from the direction in which the rigid protective fence 90 extends, and FIG. 5 shows the lower horizontal steel member 20 of the foundation structure 10 in its longitudinal direction. 6 is a side view as seen from a direction orthogonal to the direction, and FIG. 6 is a side view of the frame body 22 of the foundation structure 10 as seen from the side opposite to the road.

  As shown in FIG. 1, the base structure 10 of the mounting structure 40 of the first embodiment is provided on the top beam member 11 provided on the top 90 </ b> A of the rigid protective fence 90 and on the outer surface of the rigid protective fence 90. Members (suspended steel material (suspended member) 18 and lower horizontal steel material (lower horizontal member) 20).

  The top beam member 11 is attached to the rigid protective fence 90 by an anchor 30 embedded in the top 90 </ b> A of the rigid protective fence 90. The top beam member 11 includes a top steel material 12 that is a first beam member and an upper horizontal steel material 14 that is a second beam member.

  The top steel material 12 includes a web portion 12A that is a horizontal plate-like portion, a plate-like portion that is erected in the vertical direction, a road-side flange portion 12B that is positioned on the road side, and a plate that is erected in the vertical direction. It has an anti-road side flange portion 12C which is a shape portion and is located on the opposite side of the road, and a reinforcing portion 12D. 12 A of web parts are arrange | positioned so that the upper surface of the top part 90A of the rigid protection fence 90 may be covered. The road side flange portion 12B is an elongated rectangular plate-like member, and its longitudinal direction extends in the horizontal direction (the direction in which the road extends) along the road side surface of the top portion 90A of the rigid protective fence 90, and The upright direction is erected so that the short direction is the vertical direction. The anti-road side flange portion 12C is an elongated rectangular plate-like member, located above the web portion 12A, so that its longitudinal direction extends in the direction in which the rigid protective fence 90 extends (the direction in which the road extends). And it stands up so that the transversal direction may become an up-down direction. The reinforcing portion 12D is a plate-like member, and is erected vertically between the road side flange portion 12B and the anti-road side flange portion 12C so as to be orthogonal to the road-side flange portion 12B and the anti-road side flange portion 12C. Has been. Here, the anti-road side means a side opposite to the road (a side far from the road), and the same applies to the following description.

  As shown in FIG. 2 (enlarged side view of the top steel member 12 viewed from the direction in which the rigid protective fence 90 extends), the reinforcing portion 12D is positioned above the web portion 12A and the web portion 12A of the road side flange portion 12B. It connects with the part and the non-road side flange portion 12C. For this reason, reinforcement part 12D improves the intensity | strength and rigidity of the top steel material 12 which has 12 A of web parts, the road side flange part 12B, the anti-road side flange part 12C, and the reinforcement part 12D.

  Further, as shown in FIG. 2, the reinforcing portion 12D is provided with a through hole 12E. A wire (not shown) is inserted into the through hole 12E, and the wire is inserted into the through hole 12E of the plurality of reinforcing portions 12D to prevent the top beam member 11 from falling.

  As shown in FIG. 3 (top view when the top beam member 11 is viewed from above), the web portion 12A of the top steel member 12 is elongated in the direction in which the rigid protective fence 90 extends (the direction in which the road extends). 12F is provided to penetrate vertically. The length of the long hole 12F in the short diameter direction (direction orthogonal to the direction in which the road extends) is about twice the shaft diameter of the anchor 30, and not only the position in the road extending direction but also the thickness direction of the rigid protective fence 90 The top steel material 12 can be fixed with the anchor 30 while finely adjusting the position in the direction (perpendicular to the direction in which the road extends). The anchor 30 is inserted through the long hole 12F, and the anchor 30 fixes the web portion 12A of the top steel material 12 via the presser fitting 30A.

  Of the portion of the road side flange portion 12B of the top steel member 12, the portion below the web portion 12A is provided on both side surfaces of the top portion 90A of the rigid protection fence 90 together with the plate-like portion 14B in the vertical direction of the upper horizontal steel member 14 described later. It sandwiches and forms a sandwiching part.

  12 A of web parts of the top steel material 12 have connected the road side flange part 12B of the top steel material 12, and the plate-like part 14B of the up-down direction of the top horizontal steel material 14, and the road side flange part 12B which is a pinching part, and plate shape It is a connection part which connects the part 14B.

  On the upper surface of the top steel member 12, an anti-road side flange portion 12C is erected on the anti-road side (the side far from the road). The anti-road side flange portion 12C is located above the web portion 12A, and the two rows along the extending direction of the rigid protection fence 90 together with the portion of the road side flange portion 12B located above the web portion 12A. The plate-like standing portion is formed. The two rows of plate-like standing portions (the portion of the road side flange portion 12B located above the web portion 12A and the anti-road side flange portion 12C) are connected by the web portion 12A.

  An exterior plate 42 (first exterior plate 44 and second exterior plate 46) (see FIGS. 7 and 8) is attached to the non-road-side flange portion 12C. Details will be described later in “(2) Mounting structure”.

  The road-side flange portion 12B, the anti-road-side flange portion 12C, and the vertical plate-like portion 14B of the upper horizontal steel material 14 are connected to each other by the web portion 12A. Further, the reinforcing portion 12D is connected to the web portion 12A, the portion located above the web portion 12A of the road side flange portion 12B, and the anti-road side flange portion 12C, so that the web portion 12A, the road side flange portion 12B, The strength and rigidity of the top steel member 12 having the anti-road side flange portion 12C and the reinforcing portion 12D are improved.

  For this reason, the position of the non-road side flange portion 12C to which the first exterior plate 44 and the second exterior plate 46 (see FIGS. 7 and 8) are attached is extremely stable, and the attached first exterior plate The position of 44 and the 2nd exterior board 46 can be hold | maintained stably.

  If the stability of the position of the anti-road side flange portion 12C can be sufficiently ensured, the portion located above the web portion 12A of the road side flange portion 12B may be omitted. In this case, the road side flange portion 12B has only a portion located below the web portion 12A. Further, the reinforcing portion 12D may be omitted if the stability of the position of the anti-road side flange portion 12C can be sufficiently secured. However, as described above, it is possible to prevent the top beam member 11 from falling by providing a through hole 12E in the reinforcing portion 12D and inserting a wire (not shown) through the through hole 12E. In this respect, it is preferable to provide the reinforcing portion 12D.

  The upper horizontal steel material 14 is an elongated steel material having a mountain-shaped cross section, and includes a horizontal plate-like portion 14A, a vertical plate-like portion 14B, and an upper horizontal steel material connecting portion 14C. The upper horizontal steel connecting portion 14C is a steel plate that is a connecting portion to the suspended steel member 18, and the horizontal plate-like portion 14A and the horizontal plate-like portion 14A are orthogonal to the horizontal plate-like portion 14A and the vertical plate-like portion 14B. It is connected to the plate-like portion 14B in the vertical direction by welding.

  The upper horizontal steel material 14 is arranged so that the longitudinal direction thereof is the direction in which the rigid protective fence 90 extends (the direction in which the road extends), and the horizontal plate-like portion 14A is formed by a bolt 16A and a nut 16B so that the top steel material 12 is aligned. Is attached to the web portion 12A. Moreover, as shown in FIG. 3, the through-hole (long hole 12G) provided in the web part 12A of the top steel material 12 in which the bolt 16A is inserted is a thickness direction of the rigid protective fence 90 (a direction orthogonal to the direction along the road). ), The road side flange portion 12B of the top steel member 12 and the upper horizontal steel member 14 are adjusted while adjusting the mounting position of the upper horizontal steel member 14 according to the thickness of the top portion 90A of the rigid protective fence 90. The top portion 90A of the rigid protective fence 90 can be sandwiched between the plate-like portion 14B in the vertical direction. In this way, the entire base structure 10 can be attached to the top portion 90 </ b> A of the rigid protective fence 90 while attaching the upper horizontal steel material 14 to the top steel material 12.

  As a result, the road-side flange portion 12B of the top steel member 12 and the vertical plate-like portion 14B of the upper horizontal steel member 14 form a sandwiching portion that sandwiches both side surfaces of the top portion 90A of the rigid protection fence 90, and the horizontal portion of the top steel member 12 is horizontal. The portion (web portion 12A) forms a connecting portion that connects the opposing sandwiching portions (the road-side flange portion 12B of the top steel member 12 and the plate-like portion 14B in the vertical direction of the upper horizontal steel member 14).

  Therefore, in the foundation structure 10, the top steel material 12 covers the top portion 90 </ b> A of the rigid protective fence 90, and the road side flange portion 12 </ b> B of the top steel material 12 is one of the side surfaces of the top portion 90 </ b> A of the rigid protective fence 90. It is attached so as to extend in the horizontal direction along the side surface (the side surface on the road side), and the vertical plate-like portion 14B of the upper horizontal steel material 14 is the other of the side surfaces of the top portion 90A of the rigid protective fence 90. It is attached so as to extend in the horizontal direction along the side surface (the side surface opposite to the road).

  The base structure 10 has a top 90A of the rigid protection fence 90 so that the top 90A of the rigid protection fence 90 is sandwiched between the road side flange 12B of the top steel 12 and the plate-like part 14B of the upper horizontal steel 14 in the vertical direction. Therefore, the number of anchors 30 to which the top beam member 11 is attached to the rigid protective fence 90 can be reduced, and the anchor 30 embedded in the top 90A of the rigid protective fence 90 is the top of the rigid protective fence 90. What is necessary is just to provide in 90 A at 1 row, and the space | interval of the adjacent anchors 30 can be enlarged like 500 mm or more and 1500 mm or less.

  Therefore, in the mounting structure 40 according to the present embodiment, which is a mounting structure using the base structure 10, the labor for searching for the reinforcing bar position of the rigid protective fence 90 in order to install the anchor 30 can be reduced. It is only necessary to search for the position of the reinforcing bar only in a part of the range of the top 90A, and the number of anchors 30 to be embedded is small, so that the construction period can be shortened and the construction cost can be reduced.

  Moreover, as shown in FIG. 3, the top steel material 12 is divided | segmented into predetermined length (for example, about 900 mm-1000 mm length) in the direction along a road, and it is rigid using the steel plate 52 for a connection, and the volt | bolt 52A. It is mechanically connected in the direction in which the protective fence 90 extends (direction along the road). The upper horizontal steel material 14 is also divided into a predetermined length (for example, a length of about 900 mm to 1000 mm) in the direction along the road, and is rigid using the web portion 12A of the top steel material 12, the connecting steel plate 54, and the bolt 54A. It is mechanically connected in the direction in which the protective fence 90 extends (direction along the road). For this reason, the top steel material 12 and the upper horizontal steel material 14 can be divided and separated in the extending direction of the rigid guard fence 90 and can be exchanged. However, as shown in FIG. 3, the connecting portion between the top steel members 12 and the connecting portion between the upper horizontal steel members 14 are not overlapped, and the portion where the top steel member 12 is divided and the upper horizontal steel member 14. It is designed not to overlap with the divided parts.

  Even if the top beam member 11 is divided in the direction in which the rigid protection fence 90 extends (the direction along the road) in this way, even if the top beam member 11 is damaged by a vehicle collision, the damaged top portion Only the beam member 11 can be easily replaced, and the recovery cost after the vehicle collision and the time required for the recovery can be reduced. Considering workability, it is preferable that the length of the top steel member 12 and the upper horizontal steel member 14 (the length in the direction in which the rigid protective fence 90 extends) be 500 mm or more and 1500 mm or less.

  Further, the base structure 10 is provided with a height adjusting mechanism as shown in FIG. Specifically, a welding nut 56 is attached to the web portion 12A of the top steel member 12 by welding, and a height adjusting bolt 58 as a height adjusting member is attached to the welding nut 56 so as to be movable in the vertical direction. The lower end of the height adjusting bolt 58 can protrude below the lower surface of the web portion 12A. The amount of downward protrusion of the height adjustment bolt 58 (the amount of protrusion downward from the lower surface of the web portion 12A) can be adjusted by rotating the height adjustment bolt 58. Even if the top end of the fence 90 is uneven or has a certain degree of inclination, the base structure 10 can be adjusted by adjusting the downward projecting amount of the height adjusting bolt 58 that is a height adjusting member. The rigid guard fence 90 can be stably attached to the top 90A.

  In the foundation structure 10, the upper horizontal steel material 14 is a steel material having a mountain shape, but is not limited to a steel material having a mountain shape, and may be a steel material having a groove shape, for example. Moreover, in the base structure 10, although the upper horizontal steel material 14 was the angle-shaped steel material produced by building up from a steel plate, it is also possible to use a shape steel. Further, a sandwiching portion that faces both sides of the top portion 90A of the rigid protection fence 90 and a connecting portion that is disposed above the top portion 90A of the rigid protection fence 90 and connects the facing sandwiching portions to each other. If so, the shape of the top beam member 11 is not limited.

  The top beam member 11 includes a steel top steel member 12 and an upper horizontal steel member 14, but the material of the top beam member 11 is not limited to steel, and the top steel member 12 and the upper horizontal steel member 14. Instead of this, a member that is not made of steel may be used. If safety can be confirmed, for example, a member formed of concrete, high-strength plastic, FRP, or the like may be used. Moreover, you may use them in mixture and may be used with a steel member.

  Further, when the top portion 90A of the rigid protective fence 90 is sandwiched between the road side flange portion 12B of the top steel material 12 and the vertical plate-like portion 14B of the upper horizontal steel material 14, the road side flange portion 12B of the top steel material 12 is used. For example, a sheet material having shape followability may be interposed between the top plate 90B and the top portion 90A of the rigid protective fence 90. For example, a sheet material having a shape following property may be interposed between the two. By interposing a sheet material or the like having shape conformability, the top beam member 11 can be more stably attached even if there is some unevenness on the side surface of the top portion 90A of the rigid protection fence 90.

  Further, when the top portion 90A of the rigid protective fence 90 is sandwiched between the road side flange portion 12B of the top steel material 12 and the vertical plate-like portion 14B of the upper horizontal steel material 14, the road side flange portion 12B of the top steel material 12 is used. May be interposed between the top plate 90B of the upper horizontal steel material 14 and the top 90A of the rigid protective fence 90. It may be interposed. By interposing the adhesive, the top beam member 11 can be stably attached even if there is some unevenness on the side surface of the top portion 90A of the rigid protection fence 90, and the top beam member 11 and the rigidity protection are protected. Integration with the fence 90 becomes stronger.

  The top beam member 11 provided on the top 90A of the rigid protective fence 90 has been described above. Next, the members (suspended steel member 18 and lower horizontal steel member 20) provided on the outer surface of the rigid protective fence 90 are described. explain.

  The suspended steel material 18 is a mountain-shaped steel material, and is arranged in the vertical direction along the side surface of the rigid protective fence 90 as shown in FIG. The upper part of the suspended steel member 18 is connected to the upper horizontal steel member connecting part 14C of the upper horizontal steel member 14 by a bolt 14D, and the lower part of the suspended steel member 18 is connected to the lower horizontal steel member connecting part 20B of the lower horizontal steel member 20 by a bolt 20E. It is linked with.

  The lower horizontal steel material 20 is disposed along the outer side surface of the transverse end portion of the floor slab 94 and is disposed so as to extend in the horizontal direction. As shown in FIG. Comprises a counter plate-like portion 20A, a lower horizontal steel material connecting portion 20B, and a rib plate 20C. The opposing plate-like portion 20A is two opposing elongated rectangular steel plates, and is arranged so that the longitudinal direction thereof is the horizontal direction and the short direction thereof is orthogonal to the horizontal plane. The lower horizontal steel material connecting portion 20B and the rib plate 20C are steel plates that connect the opposing plate-like portions 20A to each other so that they are orthogonal to the opposing plate-like portions 20A and the plane direction thereof is orthogonal to the horizontal plane. Two opposing sides that are arranged at predetermined intervals and are orthogonal to the horizontal plane are respectively attached to the opposing plate-like portion 20A by welding. A long hole 20D that is long in the thickness direction of the rigid protective fence 90 is provided in the upper portion of the lower horizontal steel member connecting portion 20B of the lower horizontal steel member 20, and the lower horizontal steel member 20 is formed by a bolt 20E that passes through the long hole 20D. It connects with the lower part of the suspended steel material 18.

  FIG. 6 is a side view of the frame body 22 of the foundation structure 10 as viewed from the side opposite to the road. As shown in FIG. 6, the upper portion of the suspended steel member 18 is connected to the upper horizontal steel member connecting portion 14 </ b> C of the upper horizontal steel member 14, and the lower portion of the suspended steel member 18 is connected to the lower horizontal steel member connecting portion 20 </ b> B of the lower horizontal steel member 20. The top beam member 11, the plurality of suspended steel members 18 and the lower horizontal steel member 20 form a rectangular frame 22, and the top beam member 11, the plurality of suspended steel members 18 and the lower horizontal steel member 20 are mutually connected. Thus, the exterior plate 42 (first exterior plate 44) can be stably held. The interval between the suspended steel members 18 can be determined as appropriate by design within a range that does not impair the stability of the shape of the rectangular frame 22, and specifically, for example, about 500 mm. Conceivable.

  The lower horizontal steel member 20 may be attached to the outer side surface of the end portion in the transverse direction of the floor slab 94, and in that case, the floor slab 94 is bonded using an adhesive in that the floor slab 94 is not damaged. It is preferable.

  In the present embodiment, the suspended steel material 18 and the lower horizontal steel material 20 are used. However, a member made of a material other than steel may be used, for example, a member formed of high-strength plastic, FRP, or the like may be used. Moreover, you may use them in mixture and may be used with a steel member.

(2) Mounting structure FIG. 7 is a cross-sectional view (cross-sectional view cut along a plane orthogonal to the direction in which the road extends) showing the mounting structure 40 of the exterior plate to the rigid guard fence according to the embodiment of the present invention. 8 is an enlarged cross-sectional view (a cross-sectional view taken along a plane orthogonal to the direction in which the road extends) showing the top portion (VIII portion in FIG. 7) of the mounting structure 40. FIG. FIG. 10 is an enlarged cross-sectional view (cross-sectional view cut along a plane orthogonal to the road extending direction) showing a lower end portion (IX portion in FIG. 7) on the road side, and FIG. FIG. 8 is an enlarged horizontal cross-sectional view (cross-sectional view cut along a plane perpendicular to the direction in which the road extends) showing a portion (X portion in FIG. 7).

  As shown in FIGS. 7 and 8, the exterior plate 42 covering the outer periphery of the rigid protective fence 90 includes a first exterior plate 44 having a surface along the outer surface of the rigid protective fence 90, and the inner surface of the rigid protective fence 90. And a second exterior plate 46 having a surface along the surface.

  As shown in FIGS. 7 and 8, the first exterior plate 44 has an upper end attached to the surface on the anti-road side of the anti-road side flange portion 12 </ b> C via the connecting portion reinforcing steel plate 32. Is attached by. The connecting portion reinforcing steel plate 32 is a steel material attached to the surface on the anti-road side of the anti-road side flange portion 12C, and the anti-road to which the exterior plates 42 (the first exterior plate 44 and the second exterior plate 46) are attached. It is a steel material that reinforces the portion of the side flange portion 12C.

  Further, the lower portion of the first exterior plate 44 is connected to the lower horizontal steel material 20. As shown in FIGS. 7 and 9, the lower horizontal steel material connecting portion 20 </ b> B of the lower horizontal steel material 20 is connected to the lower end portion of the suspended steel material 18 by a bolt 20 </ b> E inserted through the long hole 20 </ b> D of the lower horizontal steel material connecting portion 20 </ b> B. Has been. Furthermore, the connecting steel plate 50 is connected to the lower end portion of the lower horizontal steel connecting portion 20B by a bolt 50B inserted into the upper slot 50A of the connecting steel plate 50. Further, the mounting bent steel plate 36 is connected to the lower end portion of the connecting steel plate 50 by a bolt 50 </ b> D inserted into the lower long hole 50 </ b> C of the connecting steel plate 50. Then, the position near the lower end of the first exterior plate 44 (the inclined portion 44C of the draining structure 44A) is attached to the mounting bent steel plate 36 by mounting bolts 36A. That is, the position of the first exterior plate 44 near the lower end (the inclined portion 44C of the draining structure 44A) is attached to the lower horizontal steel member 20 via the mounting bent steel plate 36 and the connecting steel plate 50. And bolts 50B and 50D. As described above, the upper end portion of the first exterior plate 44 is attached to the anti-road side flange portion 12C of the top beam member 11 of the base structure 10, and the position near the lower end portion (the inclined portion 44C of the draining structure 44A) is the base structure. 10 lower horizontal steel members 20 are attached. On the other hand, as described above, the position of the non-road side flange portion 12C is stably maintained. In addition, as described above, the top beam member 11, the plurality of suspended steel members 18, and the lower horizontal steel member 20 form a rectangular frame, so that the mutual positional relationship can be firmly maintained. . Therefore, in the mounting structure 40 according to the present embodiment, the exterior plate 42 (first exterior plate 44) can be stably held.

  The first exterior plate 44 is divided in the direction in which the rigid protective fence 90 extends (the direction along the road). With such a divided configuration, even if the vehicle is damaged due to a vehicle collision, only the damaged first exterior plate 44 can be easily replaced. Later recovery costs and time required for recovery can be reduced. In consideration of workability, the length of the first exterior plate 44 (the length in the direction in which the rigid protective fence 90 extends) is preferably 500 mm or more and 1500 mm or less.

  As shown in FIGS. 7 and 8, the first exterior plate 44 has an upper end portion that reaches an upper side than the web portion 12 </ b> A) that is a connecting portion. The upper end portion of the first exterior plate 44 reaching above the connecting portion (web portion 12A) is bent toward the rigid protective fence 90, and as shown in FIG. 8, toward the rigid protective fence 90 side. A ring 48 that is a ring-shaped member is provided on the upper surface of the bent portion, and a wire (not shown) is inserted through the ring 48. Thereby, the first exterior plate 44 is prevented from falling. Since the first exterior plate 44 is provided on the outer surface of the rigid protective fence 90, it is particularly important to prevent the fall.

  Further, as shown in FIGS. 7 and 9, the first exterior plate 44 includes a draining structure 44A at the lower end thereof. The draining structure 44 </ b> A is formed integrally with the first exterior plate 44 and is a part of the structure of the first exterior plate 44. The draining structure 44A is connected to the lowermost portion of the first exterior plate 44 along the outer side surface of the rigid protective fence 90 and protrudes downward, and is connected to the protrusion 44B and is rigid. It has an inclined portion 44C that extends obliquely downward toward the protective fence 90, and a vertical portion 44D that is connected to the lowermost portion of the inclined portion 44C and extends substantially downward in the vertical direction.

  The draining structure 44A has a protruding portion 44B projecting downward and a vertical portion 44D extending substantially downward in the vertical direction, so that drainage can be reliably performed. This contributes to preventing the rigid protective fence 90 from being deteriorated. Further, as shown in FIGS. 7 and 9, the inclined portion 44C blocks the space below the members (suspended steel material 18 and lower horizontal steel material 20) provided on the outer surface of the rigid protective fence 90. The influence from the outside on the outer surface of the steel material 18 and the lower horizontal steel material 20 and the rigid protective fence 90 is reduced, thereby contributing to the prevention of deterioration of the suspended steel material 18, the lower horizontal steel material 20 and the rigid protective fence 90. In the present embodiment, the draining structure 44A is formed integrally with the first exterior plate 44, but the draining structure 44A may be configured as a separate member from the first exterior plate 44.

  Regarding the second exterior plate 46, as shown in FIGS. 7 and 8, a bent steel plate for attachment 37 is attached to the road side surface of the anti-road side flange portion 12C by attachment bolts 34, and the second A position near the upper end of the exterior plate 46 is attached to the bent bent steel plate 37 by the mounting bolt 38. That is, as shown in FIG. 7 and FIG. 8, the second exterior plate 46 is mounted on the road side surface of the anti-road side flange portion 12 </ b> C via the mounting bent steel plate 37. The bolts 34 and 38 are attached. As shown in FIGS. 7 and 10, the bent bent steel plate 60 is attached to the upper surface of the ground cover 92 by the anchor 82, and the position near the lower end of the second exterior plate 46 is the mounting bolt. It is attached to the bent bent steel plate 60 by 62. That is, the second exterior plate 46 is attached to the upper surface of the ground cover 92 at a position near the lower end portion thereof by the attachment bolt 62 and the anchor 82 via the attachment bent steel plate 60. Thus, the position of the second exterior plate 46 near the upper end is attached to the anti-road side flange 12C of the top beam member 11 of the foundation structure 10, and the position near the lower end is on the upper surface of the ground cover 92. It is attached. On the other hand, as described above, the position of the anti-road side flange portion 12C is stably held, and the ground cover 92 is a member whose position is stable. Therefore, in the mounting structure 40 according to the present embodiment, the exterior plate 42 (second exterior plate 46) can be stably held.

  The second exterior plate 46 is divided in the direction in which the rigid protective fence 90 extends (the direction along the road). With such a divided configuration, even if the vehicle is damaged due to a vehicle collision, only the damaged second exterior plate 46 can be easily replaced. Later recovery costs and time required for recovery can be reduced. Considering workability, the length of the second exterior plate 46 (the length in the direction in which the rigid protective fence 90 extends) is preferably 500 mm or more and 1500 mm or less.

  Further, the material of both the first exterior plate 44 and the second exterior plate 46 is not particularly limited, and for example, steel, plastic, FRP, or the like can be used. Moreover, you may mix and use them.

  As described above, the mounting structure 40 and the base structure 10 according to the present embodiment have been described in “(1) base structure” and “(2) mounting structure”. However, the mounting structure 40 according to the present embodiment has an existing structure. Since the rigid protective fence 90 is utilized as it is, construction can be performed with little industrial waste.

(Rigid protective fence that can be applied to the present invention)
In the mounting structure 40 and the ground structure 10 according to the embodiment described above, the rigid guard fence 90 to be applied is a straight wall type (the rigid guard fence in which both sides of the fence are 90-degree vertical surfaces with respect to the ground). However, the rigid protective fence that can be applied to the present invention is not limited to the straight wall type, but is a rigid protective fence in which the side of the fence is inclined with respect to the ground (for example, a single piece in which the side of the fence is an inclined surface). Even a slope-type or Florida-type rigid protective fence can be applied to the present invention.

  When the mounting structure according to the present invention is applied to a rigid protective fence whose side face is inclined with respect to the horizontal plane, a member such as a sandwiching portion is attached so as to match the inclination with respect to the horizontal plane of the side face of the rigid protective fence. What is necessary is just to produce and use for an attachment structure.

  Further, the rigid guard fence 90 to which the mounting structure 40 according to the present embodiment is applied is the rigid guard fence provided above the ground cover 92, but if only the first exterior plate is attached, The present invention is also applicable to a rigid protective fence that does not have a ground cover below.

DESCRIPTION OF SYMBOLS 10 ... Underground structure 11 ... Top beam member 12 ... Top steel material 12A ... Web part 12B ... Road side flange part 12C ... Anti-road side flange part 12D ... Reinforcement part 12E ... Through-hole 12F, 12G, 20D, 50A, 50C ... Long hole DESCRIPTION OF SYMBOLS 14 ... Upper horizontal steel material 14A ... Horizontal plate-like part 14B ... Vertical plate-like part 14C ... Upper horizontal steel material connection part 14D, 16A, 20E, 50B, 50D, 52A, 54A ... Bolt 16B ... Nut 18 ... Suspension steel material DESCRIPTION OF SYMBOLS 20 ... Lower horizontal steel material 20A ... Opposite plate-shaped part 20B ... Lower horizontal steel material connection part 20C ... Rib plate 22 ... Frame body 30, 82 ... Anchor 30A ... Holding metal 32 ... Steel plate 34, 36A, 38, 62 ... for connection part reinforcement Mounting bolts 36, 37, 60 ... Bending steel plate for mounting 40 ... Mounting structure 42 ... Exterior plate 44 ... First exterior plate 44 ... draining structure 44B ... projection 44C ... inclined part 44D ... vertical part 46 ... second exterior plate 48 ... ring 50, 52, 54 ... steel plate for connection 56 ... welding nut 58 ... bolt for height adjustment 90 ... rigid protective fence 90A ... Top 92 ... Ground cover 94 ... Floor slab

Claims (18)

A structure for attaching an exterior plate to a rigid protection fence standing along a road, the top beam member being provided at the top of the rigid protection fence and extending in a direction along the road, and attached to the top beam member An exterior plate, and
The top beam member is
Sandwiching portions facing each other so as to sandwich both side surfaces of the top of the rigid protective fence; and
A connecting portion that is disposed above the top of the rigid protective fence and connects the opposing sandwiching portions;
An upright portion that is erected above the connecting portion, extends in a direction along the road, and is connected to the connecting portion;
Have
And the top beam member is attached to the rigid protective fence by an anchor embedded in the top of the rigid protective fence,
The mounting structure of the exterior plate to the rigid protection fence, wherein the exterior plate is attached to the standing portion and is disposed along at least the side surface of the side surface and the upper surface of the rigid protection fence. The top beam member includes a first beam member and a second beam member, and the first beam member has a vertical plate-like portion and a horizontal plate-like portion, and the second beam member The beam member has a vertical plate-like portion and a horizontal plate-like portion,
The sandwiching portion of the top beam member includes the vertical plate-like portion of the first beam member and the vertical plate-like portion of the second beam member,
The connecting portion of the top beam member includes at least a part of the horizontal plate-like portion of the first beam member and the horizontal plate-like portion of the second beam member. The structure for attaching an exterior plate to the rigid protective fence according to claim 1. The top beam member includes a first beam member and a second beam member, and the first beam member includes a plate-like portion and a horizontal direction along one side surface of both side surfaces of the rigid protective fence. In addition, the second beam member has a plate-like portion and a horizontal plate-like portion along the other side surface of the both sides of the rigid guard fence,
The sandwiched portion of the top beam member has a plate-like portion along the one side surface of the first beam member and a plate-like portion along the other side surface of the second beam member,
The connecting portion of the top beam member includes at least a part of the horizontal plate-like portion of the first beam member and the horizontal plate-like portion of the second beam member. The structure for attaching an exterior plate to the rigid protective fence according to claim 1.   The said anchor is provided in the top part of the said rigid guard fence, and the space | interval of the said adjacent anchors is 500 mm or more and 1500 mm or less, The Claim 1 characterized by the above-mentioned. Mounting structure of the exterior plate to the rigid protective fence.   A long hole extending in a direction in which the rigid guard fence extends is provided in the connecting portion so as to penetrate vertically, and the anchor is inserted through the long hole. Item 5. A structure for attaching an exterior plate to the rigid protective fence according to any one of Items 1 to 4.   It further has a plate-like reinforcing portion that is erected above the connecting portion and is arranged so as to be substantially orthogonal to the direction along the road, and the plate-like reinforcing portion includes the connecting portion and the connecting portion. The structure for attaching an exterior plate to a rigid protective fence according to any one of claims 1 to 5, wherein the structure is connected to a standing portion.   The rigidity according to claim 6, wherein a through hole is provided in the plate-shaped reinforcing portion in a direction substantially parallel to the direction along the road, and a wire is inserted into the through hole. Mounting structure of the exterior plate to the protective fence.   The height adjustment member which can move to the up-down direction is attached to the said connection part, The lower end of this height adjustment member can protrude below the lower end of the said connection part. A structure for attaching an exterior plate to the rigid protective fence according to any one of?   The structure for attaching an exterior plate to a rigid protective fence according to claim 8, wherein the height adjusting member is a bolt.   The exterior to the rigid protective fence according to any one of claims 1 to 9, wherein the top beam member can be divided and separated in the extending direction of the rigid protective fence and can be replaced. Board mounting structure.   The structure for attaching an exterior plate to a rigid protective fence according to any one of claims 1 to 10, wherein the top beam member is made of steel. The exterior plate is divided into a first exterior plate having a surface along the outer surface of the rigid protective fence, and a second exterior plate having a surface along the inner surface of the rigid protective fence,
On the other hand, the mounting structure of the exterior plate to the rigid protective fence further includes:
A plurality of suspension members disposed along an outer surface of the rigid guard fence and having an upper portion connected to the top beam member;
A lower horizontal member attached to the lower part of the plurality of suspension members and extending in the horizontal direction;
With
The top beam member, the plurality of suspension members, and the lower horizontal member form a rectangular frame,
The said exterior board among the said exterior boards is attached to the outer side of the said rectangular frame, The exterior board to the rigid protection fence in any one of Claims 1-11 characterized by the above-mentioned. Mounting structure. The first exterior plate attached to the outside of the rectangular frame has an upper end portion that is higher than the connection portion, and the upper end portion that is higher than the connection portion. At least a portion of is bent to the side of the rigid protective fence,
13. A ring-shaped member is provided on an upper surface of the portion bent toward the rigid protective fence, and a wire is inserted into the ring-shaped member. Mounting structure of exterior plate to the described rigid guard fence. The first exterior plate attached to the outside of the rectangular frame further has a draining structure at its lower end,
The draining structure is
A protrusion that is connected to the lowermost portion of the first exterior plate along the outer surface of the rigid protective fence and protrudes downward;
An inclined portion connected to the protrusion and extending obliquely downward toward the rigid guard fence;
A vertical part connected to the lowermost part of the inclined part and extending downward in a substantially vertical direction;
14. The structure for attaching an exterior plate to a rigid protective fence according to claim 12 or 13, characterized by comprising:   15. The rigid protective fence according to claim 12, wherein the first exterior plate can be divided and separated in a direction in which the rigid protective fence extends, and is replaceable. The mounting structure of the exterior board.   The structure for attaching an exterior plate to a rigid protective fence according to any one of claims 12 to 15, wherein each of the plurality of suspension members and the lower horizontal member is made of steel. The rigid protective fence is erected on a ground cover provided along the road,
On the other hand, the exterior plate is divided into a first exterior plate having a surface along the outer surface of the rigid protective fence and a second exterior plate having a surface along the inner surface of the rigid protective fence. ,
The said 2nd exterior board is attached to the upper surface of the said ground cover while being attached to the said standing part of the said top beam member among the said exterior boards. The structure for attaching an exterior plate to the rigid protective fence according to any one of 16.   The attachment of the exterior plate to the rigid protective fence according to claim 17, wherein the second exterior plate can be divided and separated in the extending direction of the rigid protective fence, and is replaceable. Construction.

Images