KR101503517B1 - Footpath for easy combining and separating, strengthening earthquake-resistant performance - Google Patents

Abstract

The present invention relates to a footpath which: can be easily placed and removed; and has improved earthquake-resistant performance. The footpath includes: rectangular bottom frame members that have a hollow portion therein and are arranged on the bottom surface at given intervals; first elastic pad members made of rubber and attached to the top surfaces of vertical and horizontal frames of the bottom frame members; engaging frame members that are arranged on each top surface of the bottom frame member provided with the first elastic pad member in a longitudinal direction at given intervals, the engaging frame member having a support end, an engaging portion, protrusions, and recessed portions arranged consecutive to form a continuous cross section; second elastic pad members made of rubber and attached to the top surfaces of the protrusion or an circular arch protruded at the center of the protrusion; and bottom panel members that have a rectangular bottom plate and an engaging member formed at a lower portion of the bottom plate and are engaged to the engaging frame member to be arranged in a matrix shape. Each engaging portion is formed with a locking groove on its outer surface. The engaging member is provided with a locking shoulder on the outer surface to correspond to the shape of the locking groove from a side view, and the bottom surface of the engaging member is formed with an insertion groove corresponding to the protrusions or to the circular arch part.

Description

{FOOTPATH FOR EASY COMBINING AND SEPARATING, STRENGTHENING EARTHQUAKE-RESISTANT PERFORMANCE}

The present invention can easily fix and fasten the flooring paneling member to the floor frame member and by providing the elastic pad member between the bottom panel member, the coupling frame member and the bottom frame member, The present invention relates to a sidewalk which is easily detachable and can easily withstand a large load by dispersing the load transmitted to the floor panel member for the sidewalk, and which has enhanced seismic performance.

As is well known, the sidewalk blocks are continuously arranged on the sidewalks of India, housing complexes, plazas, parks, parking lots, etc. in consideration of the aesthetics of the city and walking, and then packed against each other. Rectangular, rhombic, zigzag, etc.) and applications (such as braille blocks, inductive blocks, and sidewalk blocks).

Conventional sidewalk blocks are made of materials such as stones such as concrete and granite materials and other synthetic resin materials and they are tightly adhered to each other by their side surfaces. Therefore, it is difficult to carry and install the materials because of their weight, There is a problem in that a jamming phenomenon occurs.

Also, when a large load is transmitted to the sidewalk block, the sidewalk block can be easily broken. If the sidewalk block is partially damaged, the sidewalk blocks in a certain area must be replaced, so that the replacement work and the replacement cost are inconveniently required.

Registered Patent Publication No. 10-0174935 (Mar. 14, 2005): Prefabricated rubber elastic material pavement block

SUMMARY OF THE INVENTION The present invention intends to provide a sidewalk which is easy to attach and detach and which is easy to replace due to construction and damage of a sidewalk by easily fixing the sidewalk panel member on the floor frame member.

Further, since the elastic pad member is provided between the bottom panel member, the coupling frame member, and the bottom frame member, the load transmitted to the floor panel member can be easily dispersed, Seismic performance is enhanced.

Further, according to the present invention, a heating member is inserted into a floor panel member to dissipate heat to an upper portion of the floor panel member, so that even if snow is accumulated, the panel panel is melted in a short period of time, And seismic performance is enhanced.

Further, the present invention provides a plurality of drains passing through the lower surface of the coupling frame member, thereby providing a sidewalk which can be easily detached and improved in seismic performance, which can improve drainage performance.

The objects of the embodiments of the present invention are not limited to the above-mentioned objects, and other objects not mentioned can be clearly understood by those skilled in the art from the following description .

According to an embodiment of the present invention, there is provided a floor structure comprising: a bottom frame member having a rectangular shape with a hollow portion formed therein, the bottom frame member being spaced apart from the bottom surface by a predetermined distance, A first elastic pad member having a plurality of elastic members attached to the upper surface of the bottom frame member in a shape corresponding to an upper surface of the first elastic pad member; Wherein the one side support portion, the one side attachment portion, the plurality of projections, the plurality of concave portions, the other side engagement portion, and the other side support end portion are continuously formed, and the one side engagement portion and the other side engagement portion An engaging frame member in which a concave engaging groove is formed, and a plurality of projections A second elastic pad member to which a plurality of rubber elastic members are attached in correspondence with the arcuate portion protruding from the central portion of the first elastic pad member, a plurality of second elastic pad members including a rectangular shaped bottom plate and a coupling hole formed at a lower portion of the bottom plate, And the insertion grooves corresponding to the plurality of protrusions or corresponding to the arcuate portions are formed in a matrix shape in which the engaging grooves protrude from the outer circumferential surface in a side view, It is possible to provide a walkway that includes a bottom panel member formed on the lower surface and is easy to attach and detach and has enhanced seismic performance.

According to another embodiment of the present invention, there is provided a floor frame comprising a floor frame member having a plurality of rectangular spaced apart hollows formed therein, the floor frame members being arranged on a bottom surface on which a sidewalk is to be installed, A first elastic pad member having a plurality of elastic members attached to the upper surface of the bottom frame member in a shape corresponding to an upper surface of the first elastic pad member; And has a cross section in which one side support end portion, one side projection portion, one side recess portion, one side coupling portion, central projection portion, another side coupling portion, the other concave portion, the other side projection portion and the other side support end portion are continuously formed, Wherein the one-side engaging portion and the other-side engaging portion are provided on the outer side of the coupling frame, A second resilient pad member corresponding to each upper surface of the one protruding portion and the other protruding portion or having a plurality of rubber materials adhered to the respective arcuate portions protruding from the central portions of the one protruding portion and the other protruding portion; And a coupling protrusion protruding from an outer circumferential surface of the coupling protrusion, the protrusion protruding from the outer circumferential surface of the coupling protrusion being engaged with the coupling protrusion, And a bottom panel member corresponding to the plurality of protrusions or having an insertion groove corresponding to the plurality of protrusions or corresponding to the arcuate portion is formed on a lower surface of the engagement fitting, .

In the present invention, the press bottom panel member is easily fixed on the bottom frame member, thereby facilitating the replacement work due to the construction and damage of the sidewalk.

Further, since the elastic pad member is provided between the bottom panel member, the coupling frame member, and the bottom frame member, the present invention can easily load large loads by distributing loads transmitted to the floor panel member for the sidewalk.

In addition, according to the present invention, a heating member is inserted into a floor panel member to dissipate heat to an upper portion of a floor panel member, so that even if snow is accumulated, the floor panel member melts in a short period of time to prevent inconvenience.

Further, the present invention provides a plurality of drains passing through the lower surface of the coupling frame member, thereby improving the drainage performance.

1 to 4 illustrate a sidewalk that is easy to mount and dismount and has enhanced seismic performance according to an embodiment of the present invention,
FIGS. 5A and 5B are views for explaining various forms of a plurality of protrusions and insertion grooves according to an embodiment of the present invention;
6a to 6d illustrate various joining structures of a floor panel for a walk in a sidewalk that is easy to mount and dismount and has enhanced seismic performance according to an embodiment of the present invention,
7 is a view illustrating another embodiment of a coupling frame member in a sidewalk in which detachment is easy and seismic performance is enhanced according to an embodiment of the present invention.

Advantages and features of embodiments of the present invention and methods of achieving them will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. The following terms are defined in consideration of the functions in the embodiments of the present invention, which may vary depending on the intention of the user, the intention or the custom of the operator. Therefore, the definition should be based on the contents throughout this specification.

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

FIGS. 1 to 4 are views illustrating a sidewalk that is easy to mount and dismount according to an embodiment of the present invention and that has enhanced seismic performance. FIGS. 5A and 5B are views illustrating a plurality of protrusions and a shape of an insertion groove according to an embodiment of the present invention. Fig.

1 to 5B, a sidewalk which is easy to remove and attach according to an embodiment of the present invention has a bottom frame member 110, a first resilient pad member 120, an engagement frame member 130, A second elastic pad member 140, a bottom panel member 150, a heating member 160, a rubber packing member 170, and the like.

The bottom frame member 110 may be arranged on the bottom surface on which the sidewalk is to be installed, and the bottom frame member 110 may be divided into a vertical frame 111 and a lateral The frames 112 may be arranged and arranged in a lattice manner.

A plurality of first elastic pad members 120 may be attached in a form corresponding to the vertical frame 111 of the bottom frame member 110 and the upper surface of the horizontal frame 112, The load is dispersed at the contact surfaces of the bottom frame member 110 and the coupling frame member 130 provided at the upper portion through the elastic pad member 120 to strengthen the vibration and enhance the seismic performance.

The engagement frame member 130 is provided on the upper portion of the bottom frame member 110 having the first elastic pad member 120 attached to the upper surface thereof in the longitudinal direction (the direction perpendicular to the longitudinal frame 111, A plurality of protrusions 133, a plurality of recesses 134, and a plurality of protrusions 134 formed on the outer circumferential surface of the one side support portion 131, the one side engagement portion 132, the plurality of protrusions 133, And the other supporting end 136 may be formed in a continuous shape.

The coupling frame member 130 includes a first coupling portion 132 and a second coupling portion 135 formed in parallel to each other in the longitudinal direction so that the bottom panel member 150 described later can be easily coupled, (Not shown) that penetrates through each bottom surface of the bottom frame member 110 and can be inserted into and through the bottom frame member 110. The plurality of recesses 134 are provided with a plurality of through holes A plurality of drain holes 138 may be formed to allow water to be drained to the surface of the frame member 130 so that the water flowing into the engagement frame member 130 may be discharged downward through the plurality of drain holes 138.

The height of the plurality of protrusions 133 may be relatively lower than that of the one support end 131 and the other support end 136. The height of each of the protrusions 133 And may be formed at a height that allows the surface to contact the lower surface of the coupling member 152, which will be described later.

The bottom panel member 150 can be easily attached or detached (separated) by forming the concave engagement grooves on the outer side surfaces of the one side coupling part 132 and the other side coupling part 135 .

The plurality of protrusions 133 and the plurality of recesses 134 may be alternately formed as described above. As shown in FIGS. 5A and 5B, An arc portion A further projecting upward from the lower surface or protruding from the central portion may be formed.

The second resilient pad member 140 is formed of a rubber material corresponding to the protrusions A of the plurality of protrusions 133 of the engagement frame member 130 or corresponding to the arcs B protruding from the center of the plurality of protrusions 133 The second elastic pad member 140 disperses the load on the contact surface between the coupling frame member 130 and the floor panel member 150 provided on the upper portion thereof, Can be strengthened.

The bottom panel member 150 may include a bottom plate 151 having a rectangular shape and a coupling hole 152 formed at a lower portion of the bottom plate 151 so that a plurality of the bottom panel members 150 may be coupled to the coupling frame member 130 and arranged in a matrix have.

Here, the bottom plate 151 and the fittings 152 include concrete and fiber reinforcement, and may be manufactured by mixing at a ratio of 95-97% by weight of concrete and 3-5% by weight of fiber reinforcement, In order to simultaneously manufacture the panels, a steel mesh network 155 is installed in each space in a mold having a space defined by a plurality of spaces. Then, a concrete mixture is injected into the space, and vibration is applied to the mold through a vibrator connected to the outside of the mold. The upper surface of the bottom plate may be manufactured to have a rough surface, and a pigment of a desired color may be added to the upper surface of the bottom plate in various colors (for example, white, yellow , Red, black, and the like).

The coupling member 152 has a rectangular shape in the longitudinal direction of the floor panel member 150. The coupling panel 152 has a locking protrusion protruding from the outer circumferential surface when viewed from the side of the bottom panel member 150, The outer surface of the coupling member 152 may be formed to correspond to a cross-sectional shape (i.e., an engagement groove) of the one coupling portion 132 and the other coupling portion 135 of the coupling frame member 130 have.

As shown in FIG. 5A, on the lower surface of the coupling member 152, a shape corresponding to the positions corresponding to the plurality of projections 133 or a shape corresponding to a position corresponding to the positions of the plurality of projections 133 A plurality of insertion grooves 153 may be formed in a shape corresponding to the position corresponding to the arcuate portion A. The insertion grooves 153 may include a plurality of projections 133 and a second elastic pad member The coupling force between the coupling frame member 130 and the floor panel member 150 can be further improved and the seismic performance can be further enhanced.

A plurality of inner shafts 154 may be formed in the longitudinal direction of the floor panel member 150. A heating member 160 such as a heat ray is inserted into the plurality of inner shafts 154, By supplying power to the member 160 to dissipate heat, the snow can be melted in a short period of time when the snow is accumulated on the floor panel member 150.

The rubber packing member 170 is provided in the shape of a rectangular plate having a length corresponding to one side of the bottom panel member 150. When the spacing between the plurality of bottom panel members 150 arranged in a matrix form occurs, It is possible to prevent a panning phenomenon due to the separation between the bottom panel members 150. [0050]

The rubber packing member 170 may be inserted at a height from the upper surface of the bottom frame member 110 to the upper surface of the bottom panel member 150.

6A to 6D are views illustrating various joining structures of a floor panel for a sidewalk in a sidewalk that is easy to attach and detach and has enhanced seismic performance according to an embodiment of the present invention.

6A, a coupling hole 152a provided at a lower portion of the bottom plate 151a may be coupled to the one coupling portion 132a and the other coupling portion 135a, And may have a shape protruding obliquely toward the outer side toward the downward direction. The engaging protrusion 152a may be formed at the lower end of the engaging protrusion 152a so as to protrude outwardly and obliquely.

The one side coupling portion 132a and the other side coupling portion 135a may be formed so as to have a shape protruding obliquely outward in the downward direction in a state where the outer side is bent inward.

Accordingly, the elastic coupling member 152a is coupled to the one coupling portion 132a and the other coupling portion 135a by a downward pressing force, and is engaged with the coupling hole 152a on the upper surface of the folded- And the one side support end 131a and the other side support end 136a support the lower surface of the bottom plate 151a so as to stably engage and fix by the engaging jaw a which is bent obliquely outwardly. And a plurality of protrusions 133a are formed on the lower surface of the coupling hole 152a in the insertion groove 153a having a plurality of protrusions corresponding to the plurality of protrusions 133a, 2 elastic pad member 140a is inserted and supported so as to be more stably engaged.

6B, the coupling hole 152b provided at the lower portion of the bottom plate 151b may be coupled to the one coupling portion 132b and the other coupling portion 135b, And a triangular-shaped concave groove may be formed extending inwardly as far as the distance. The engaging protrusion 152b may be formed with a locking protrusion b protruding in a triangular cross-sectional shape at a lower end thereof.

The outer side surface of the one side coupling portion 132b and the other side coupling portion 135b may extend vertically downward by a certain distance from the upper end portion and then protruding projections of triangular shape may be extended inward.

The elastic coupling member 152b is coupled to the one coupling portion 132b and the other coupling portion 135b by a downward pressing force and is engaged with the coupling member 152b on the upper surface of the plurality of the projecting portions 133b. And the one side support end 131b and the other side support end 136b support the lower surface of the bottom plate 151b to stably engage with each of the engagement protrusions b protruding in a triangular cross- And a plurality of projections 133b are formed on the lower surface of the coupling hole 152b in the insertion groove 153b having a plurality of projections 133b corresponding to the positions corresponding to the plurality of projections 133b, The second resilient pad member 140b can be more stably coupled by being inserted and supported.

6C, a coupling hole 152c provided at a lower portion of the bottom plate 151c may be coupled to the one-side coupling portion 132c and the other-side coupling portion 135c, A semicircular concave groove is formed extending in a direction perpendicular to the longitudinal direction of the main body. The engaging protrusion 152c may be formed with an engaging protrusion c protruding from the intermediate portion.

In correspondence with this, the one-side engaging portion 132c and the other-side engaging portion 135c are formed such that a semicircular concave groove is formed on the outer side in an inward direction from the upper end, Shaped concave groove may be formed and extended vertically downward by a predetermined length.

The elastic coupling member 152c is coupled to the one coupling portion 132c and the other coupling portion 135c by a downward force and the coupling member 152c is engaged with the upper surface of the plurality of the projections 133c The one side support end 131c and the other side support end 136c support the bottom surface of the bottom plate 151c so that the stoppers can be stably supported by the respective engagement protrusions c protruding in the protruding form And a plurality of projections 133c are formed on the lower surface of the coupling hole 152c in the insertion groove 153c in which a plurality of projections 133c are formed corresponding to positions corresponding to the plurality of projections 133c, The second resilient pad member 140c is inserted and supported so that it can be stably coupled.

6D, a coupling hole 152d provided at a lower portion of the bottom plate 151d may be coupled to the one coupling portion 132d and the other coupling portion 135d, A triangular recessed groove may be formed to extend in a direction perpendicular to the first direction, and may be formed to be inclined obliquely in an inner direction after being extended by a predetermined length. The engagement portion 152d may be formed with a latching protrusion d protruding in a trapezoidal shape on the side surface.

The outer side surface of the one side coupling portion 132d and the other side coupling portion 135d may extend vertically downward by a certain distance from the upper end portion and then protruded projections of triangular shape may be extended inward.

The resilient coupling member 152d is coupled to the one side engaging portion 132d and the other side engaging portion 135d by a downward pressing force and is engaged with the engaging member 152d on the upper surface of the plurality of projections 133d. The one side support end 131d and the other side support end 136d support the bottom surface of the bottom plate 151d to stably engage and fix by the respective engagement protrusions d protruding in a trapezoidal shape. And a plurality of protrusions 133c are formed on the lower surface of the coupling hole 152c in the insertion groove 153c formed with a plurality of protrusions corresponding to the positions corresponding to the plurality of protrusions 133c, 2 elastic pad member 140c is inserted and supported so as to be more stably engaged.

Meanwhile, FIG. 7 is a view illustrating another embodiment of a coupling frame member in a sidewalk in which detachment is easy and seismic performance is enhanced according to an embodiment of the present invention. Here, only different reference numerals of different types of coupling frame members 230 are shown differently, and the other structures are substantially the same, and therefore, they are denoted by the same reference numerals.

7, another type of coupling frame member 230 is provided on the upper part of the bottom frame member 110 having the first elastic pad member 120 attached to the upper surface thereof in the longitudinal direction A side projection 233, a side projection 233, a side projection 233, a side coupling 234, a side coupling 234, a side coupling 234, The other projecting portion 238 and the other supporting end portion 239 may be formed in a continuous cross-sectional shape in which the center projecting portion 235, the other engagement portion 236, the other recessed portion 137, the other projecting portion 238,

The coupling frame member 230 includes a first coupling portion 234 and a second coupling portion 236 formed in parallel to each other in the longitudinal direction so that the bottom panel member 150 can be easily coupled to the bottom frame member 110 (Not shown) passing through one side support end portion 231 and the other side support end portion 239 which are supported and the respective bottom surfaces of the one side recess portion 233 and the other side recess portion 237, 230a may be inserted into and penetrate through the bottom frame member 110 and one side support portion 231 and the other side support portion 239 and the one side recess 233 and the other side recess 237 may be connected to the bottom surface A plurality of drain holes 230b are formed so that water can be drained to the joint frame member 130. Water flowing into the joint frame member 130 can be drained downward through the plurality of drain holes 138. [

Of course, since the coupling frame member 230 is spaced apart, the water can be discharged downward through the spaces where the upper and lower portions are exposed while being spaced apart.

The height of the protrusion 232 and the protrusion 238 may be relatively lower than the center protrusion 235 and the height of the protrusion 232 and the protrusion 238 may be different from each other. Each height may be formed to be relatively low and each upper surface of the plurality of protrusions 133 may be formed at a height such that the upper surface of the plurality of protrusions 133 may be in contact with the lower surface of the engaging hole 152, May be formed to have a height such that the coupling holes 152 provided in the bottom panel member 150 in which the plurality of the floor panels 150 are arranged are in contact with the inner upper surface of the space formed with each other.

The bottom panel member 150 can be easily attached to the other side surface of the middle protrusion 235 by forming recessed grooves on the outer surface of the one side joint portion 234 and the other side coupling portion 236, Or may be detached (separated).

The second resilient pad member 140 is attached to the upper surface of the one projecting portion 232 and the other projecting portion 238 or the second projecting portion 232 and the other projecting portion 238 A second elastic pad member 140 may be attached to the upper surface of one side circular arc portion 232a and the other side circular arc portion 238a protruding from the central portion. 152 can be stably inserted into the insertion hole 153 formed in the lower surface.

Therefore, by easily fixing the floor cover panel member on the floor frame member, the present invention can facilitate replacement work due to construction and damage of the walkway.

Further, since the elastic pad member is provided between the bottom panel member, the coupling frame member, and the bottom frame member, the present invention can easily load large loads by distributing loads transmitted to the floor panel member for the sidewalk.

In addition, according to the present invention, a heating member is inserted into a floor panel member to dissipate heat to an upper portion of a floor panel member, so that even if snow is accumulated, the floor panel member melts in a short period of time to prevent inconvenience.

Further, the present invention provides a plurality of drains passing through the lower surface of the coupling frame member, thereby improving the drainage performance.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be readily apparent that such substitutions, modifications, and alterations are possible.

110: bottom frame member 120: first elastic pad member
130: engagement frame member 140: second elastic pad member
150: floor panel member 160: heating member
170: Rubber packing member

Claims (8)

A bottom frame member in which a plurality of vertical frames and a plurality of horizontal frames are arranged in a lattice form on a bottom surface on which a sidewalk is to be installed,
A first resilient pad member to which a plurality of resilient pad members are attached in a form corresponding to the longitudinal frame of the bottom frame member and the top surface of the transverse frame,
A plurality of protrusions and a plurality of drain holes are formed on the upper surface of the bottom frame member provided with the first elastic pad member so as to be spaced apart from each other by a predetermined distance in the longitudinal direction, And the other side engaging portion and the other side engaging portion are provided with a concave engaging groove on each of the outer side surfaces,
A second resilient pad member corresponding to an upper surface of the plurality of protrusions or corresponding to a circular arc portion protruding from a central portion of the plurality of protrusions,
A bottom plate having a rectangular shape and a coupling hole formed at an underside of the bottom plate so as to be bent obliquely outwardly, a triangular cross-sectional shape, a protruding shape of a middle portion and a trapezoidal shape, Wherein the engaging projections are formed in a matrix shape by being coupled to the engaging frame members, wherein the engaging projections are formed to correspond to the engaging grooves protruding from the outer peripheral surface in the side view, A bottom panel member having an insertion groove formed on a lower surface of the coupling hole,
A heating member inserted and mounted in a plurality of inner shafts formed in the bottom panel member in the longitudinal direction,
A rubber packing member inserted in the spacing portion when a gap is formed between the bottom panel members, which are provided in the form of a rubber material and a rectangular plate,
Which is easy to attach and detach and which has enhanced seismic performance.
delete delete delete A bottom frame member in which a plurality of vertical frames and a plurality of horizontal frames are arranged in a lattice form on a bottom surface on which a sidewalk is to be installed,
A first resilient pad member to which a plurality of resilient pad members are attached in a form corresponding to the longitudinal frame of the bottom frame member and the top surface of the transverse frame,
A first resilient pad member disposed on the upper surface of the bottom frame member at a predetermined interval in the longitudinal direction and having a first supporting end, a first protrusion, a first recess, a first engaging portion, a middle protrusion, Wherein the one side engaging portion and the other side engaging portion provided at both ends of the center protruding portion are provided with concave engaging grooves formed on respective outer side surfaces thereof, A frame member,
A second resilient pad member corresponding to each upper surface of the one protruding portion and the other protruding portion or having a plurality of rubber materials adhered to the respective arcuate portions protruding from the center portions of the one protruding portion and the other protruding portion;
A bottom plate having a rectangular shape and a coupling hole formed at an underside of the bottom plate so as to be bent obliquely outwardly, a triangular cross-sectional shape, a protruding shape of a middle portion and a trapezoidal shape, Wherein the engaging projections are formed in a matrix shape by being coupled to the engaging frame members, wherein the engaging projections are formed to correspond to the engaging grooves protruding from the outer peripheral surface in the side view, A bottom panel member having an insertion groove formed on a lower surface of the coupling hole,
A heating member inserted and mounted in a plurality of inner shafts formed in the bottom panel member in the longitudinal direction,
A rubber packing member inserted in the spacing portion when a gap is formed between the bottom panel members, which are provided in the form of a rubber material and a rectangular plate,
Which is easy to attach and detach and which has enhanced seismic performance.
delete delete delete

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