JP2693403B2 - Lining structure construction method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for constructing a lining structure attached to the inner wall surface of a concrete structure.

[0002]

2. Description of the Related Art Generally, structures such as sewage treatment tanks and septic tanks of sewage facilities are concrete structures. However, the inner wall surface of this type of concrete structure is corroded by the influence of gas generated from flowing material flowing through the structure, sewage and bacteria in sewage sludge. Therefore,
A lining formed of a synthetic resin such as hard vinyl chloride is additionally provided on the inner wall surface of the concrete structure to protect the concrete surface against corrosion.

[0003] As such a lining structure, a lining plate 1 formed in a strip shape is employed.
As shown in FIG. 10, a large number of rib pieces 2 are perpendicular to one surface of the lining plate 1 and are parallel to the width direction of the lining plate 1 at equal intervals, and are continuous in the longitudinal direction of the lining plate 1. And are provided integrally. A bulging portion 2a having a substantially elliptical cross section is formed at the tip of each rib piece 2. The other surface is formed flat.

[0004] At both ends in the width direction of the lining plate 1, a connecting piece 3 is provided in parallel with the rib piece 2 and has a flat outer edge and a hook-like inner end.
Are provided integrally. And this lining board 1
Is connected to another lining plate 1 continuously in the width direction by connecting pieces 3 at both end edges as shown in FIG.

FIG. 1 shows the connection of the lining plate 1 in the width direction.
1 and a joint member 4 having a substantially U-shaped cross section and having a sealing material 4a mounted therein is inserted into the butted connection pieces 3 and 3 to form a lining plate. 1 are connected in the width direction, so that a lining plate 1 having a desired width in which anticorrosion processing is applied to a connection portion can be obtained. According to this joint member 4, connection from the rib piece 2 side of the lining plate 1 can be performed.

[0006] When the lining having such a structure is constructed, as shown in Fig. 12, a formwork 5 made of wood or the like is provided to provide a predetermined wall surface 5a when the lining plate 1 is attached to concrete. Is installed, and a plurality of lining plates 1 having the above-described configuration are connected to the form 5 and attached. After the lining plate 1 is attached so that the other flat surface is attached to the wall surface 5a of the formwork 5, the nail 6 is attached from one surface side on which the rib pieces 2 are provided. It is performed by driving.

Here, when the lining plate 1 is to be made continuous in the longitudinal direction as required, the end surfaces in the longitudinal direction are abutted to each other, and the lining plate 1 is attached to the formwork 5. By embedding a filler made of a soft synthetic resin or the like in the joint portion 7 between the butted lining plates 1, 1, the desired length of the joint portion 7 that is continuous in the longitudinal direction and is subjected to anticorrosion processing is provided. Lining plate 1 can be obtained.

After the concrete 8 is cast on the rib piece 2 side of the lining plate 1 and the concrete 8 is cured, the form 5 is removed, and the projecting portion of the nail 6 is cut off. In addition, similarly, in the driving portion of the nail 6,
A filler made of a soft synthetic resin or the like is embedded to perform anticorrosion processing. In this way, a concrete structure in which the inner wall surface is covered with the lining is formed.

[0009]

However, in the above-mentioned conventional lining structure, there is no structure at the longitudinal end of the lining plate 1 for connecting to another lining plate 1 and preventing corrosion of the portion. When the lining plate 1 is made continuous with the other lining plate 1 in the longitudinal direction, the ends are abutted, and a filler made of a soft synthetic resin or the like is embedded in the joint portion 7 to perform anticorrosion processing. In the continuous configuration by such abutting and the anticorrosion processing by the filler, there is a problem that the filler cannot be appropriately embedded and a sufficient anticorrosion effect cannot be obtained.

In addition, in the conventional lining construction, joints 7 generated by connecting the lining plates 1 in the longitudinal direction are often generated particularly at the corners inside and outside the corners formed by walls, ceilings, floors and beams. However, the work of embedding the filler in such a place cannot be easily performed, and there is a problem that a construction time is required.

The same applies to the nailed portion where the nail 6 is driven. In addition, a sufficient anticorrosion effect cannot be obtained by the anticorrosion process using the filler, and the work cannot be easily performed. Since the part can be seen from the lining surface after construction, there is a problem that the appearance is poor. Furthermore, the appearance of the nail 6 after the construction is poor, so that the number of nails 6 to be driven is limited, thereby causing a problem that the lining plate 1 may not be sufficiently fixed to the formwork 5.

In order to solve the above-mentioned problems, the present invention provides a method for constructing a lining structure capable of obtaining a sufficient anticorrosion effect with an easy operation and improving the appearance after the construction. It is intended to be.

[0013]

In order to achieve the above object, the lining structure constructed by the construction method of the present invention is formed of a rigid synthetic resin into a rectangular flat plate shape, and has a width parallel to one surface at equal intervals. A lining plate 1 that has a number of rib pieces 2 that are arranged side by side and are continuous in the longitudinal direction,
A joining member 10 which is made of a hard synthetic resin and has an elongated shape and has a fitting groove 11 which is continuous in the longitudinal direction on a predetermined side surface and is interposed between a plurality of the lining plates 1 and 1 which are continuous in the longitudinal direction. A concealing piece 14 formed of a hard synthetic resin in the shape of an elongated flat plate and covering the joint portion 7 between the lining plate 1 and the joining member 10, and the concealing piece 14 provided integrally along the longitudinal direction of the concealing piece 14. The concealing member 13 having a fitting piece 15 that can be fitted into the fitting groove 11 of the joining member 10.

Therefore, in order to achieve the above object, the method for constructing a lining structure according to the present invention forms a predetermined wall surface 5a for positioning the inner wall surface of a concrete structure, and forms a long body in a longitudinal direction on a predetermined side surface. Continuous fitting groove 11
The joining member 10 having the above is fixed to the predetermined position of the wall surface 5a so that the fitting groove 11 faces the wall surface 5a side, and is formed in a rectangular plate shape, and is parallel to one surface at equal intervals in the width direction. A number of rib pieces 2 that are attached to the side and are continuous in the longitudinal direction
The plurality of lining plates 1 having the above are arranged such that the other surface is aligned with the wall surface 5a with respect to the wall surface 5a, and end portions in the longitudinal direction are brought into contact with the respective width direction side surfaces of the joining member 10 to be fixed. Then, after the concrete 8 is cast and cured on the rib piece 2 side of the lining plate 1, the wall surface 5a is removed, and the oblong piece 14 in the form of a flat plate and the hiding piece 14 are integrally provided along the longitudinal direction of the hiding piece 14. The concealing member 13 having the fitted fitting 15 is fitted into the fitting groove 11 with respect to the joining member 10, and between the lining plate 1 and the joining member 10. The joint portion 7 is replaced with the concealment piece 1
It is characterized in that it is adhered via an adhesive means so as to be covered with 4.

[0015]

First, the joining member 10 is fixed to a predetermined position of the predetermined wall surface 5a for positioning the inner wall surface of the concrete structure so that the fitting groove 11 faces the wall surface 5a side. Next, on the wall surface 5a, a plurality of lining plates 1
a, and the end in the longitudinal direction abuts on each side surface in the width direction of the joining member 10 and is fixed. After the concrete 8 is cast and cured on the rib piece 2 side of the lining plate 1, the wall surface 5a is removed.

Next, the concealing member 13 fits the fitting piece 15 into the fitting groove 11 of the joining member 10 in the joining member 10 attached to the concrete 8 that has been cast and cured. At the same time, the concealing pieces 14 are bonded to the respective lining plates 1 and 1 with the bonding member 10 interposed therebetween through bonding means.

Therefore, the joint portions 7 between the lining plates 1 and 1 and the joining members 10 are covered with the concealing pieces 14 to perform anticorrosion processing.

[0018]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be specifically described below with reference to the drawings. FIG. 1 shows an embodiment of a lining structure constructed by the construction method according to the present invention. In the embodiments described below, the same or like parts as those of the conventional example described above are designated by the same reference numerals, and the description thereof will be omitted. Omit it.

The lining structure according to this embodiment includes a lining plate 1, a joining member 10, and a concealing member 13.

As shown in FIG. 1, the joining member 10 is a long body having a substantially M-shaped cross section made of a synthetic resin such as rigid vinyl chloride. Two continuous and parallel fitting grooves 11, 11 are formed. In the widthwise center of the other surface opposite to the one surface on which the fitting groove 11 is formed, a groove 1 continuous in the longitudinal direction is provided.
2 are formed.

The concealing member 13 is a long member made of a synthetic resin such as hard vinyl chloride like the lining plate 1 and the joining member 10, and is a concealing piece 14 formed in a flat plate shape.
And two fitting pieces 15, 15 continuously projecting in the longitudinal direction so as to fit into the fitting groove 11 of the joining member 10 are integrally formed, and the first, second, and It has a third configuration.

As shown in FIG. 2, the first concealing member 13A has a concealing piece 14 formed in a strip-like plate shape, and the fitting piece 15 is provided at a central portion of one surface thereof. Then, when the fitting piece 15 is fitted to the joining member 10, both edges in the width direction of the concealing piece 14 extend a predetermined width from both sides in the width direction of the surface of the joining member 10 having the fitting groove 11. It is provided in.

As shown in FIG. 3, the second concealing member 13B has a concealing piece 14 formed in a substantially L-shaped cross section, and the fitting piece 15 is provided near the outer corner of the bent concealing piece 14. Have been. As the specific position where the fitting piece 15 is provided, when the fitting piece 15 is fitted to the joining member 10,
One side surface of the concealing piece 14 having no fitting piece 15 and the side surface of the joining member 10 are provided so as to be flush.

As shown in FIG. 4, the third concealing member 13C has a concealing piece 14 formed in a substantially L-shaped cross section, and the fitting piece 15 is provided near an inner corner of the bent concealing piece 14. Have been. As the specific position where the fitting piece 15 is provided, when the fitting piece 15 is fitted to the joining member 10,
One side surface of the concealing piece 14 having no fitting piece 15 and a side surface of the joining member 10 are provided so as to contact each other.

Hereinafter, the lining construction method of the above configuration, that is, the construction procedure of a concrete structure will be described.

First, when lining is performed on a flat surface such as a wall, a ceiling, a floor, etc., as shown in FIG. 5 (a), in order to provide a predetermined wall surface 5a when the lining plate 1 is attached to concrete. A mold 5 made of wood or the like is installed. Then, the joining member 10 is attached to the wall surface 5a of the formwork 5 along a boundary serving as a connection portion between the ends of the lining plates 1 and 1 in the longitudinal direction.

The joint member 10 is attached to the formwork 5 with the fitting groove 11 facing the wall 5a and extending in a direction perpendicular to the rib pieces 2 of the lining plate 1 to be attached later. Then, a through-hole is provided in advance at an arbitrary position of the groove 12 of the joining member 10, and a nail 6 made of a hard synthetic resin is driven into the through-hole from the groove 12 side, so that the joining member 10 Fixed to 5.

Therefore, the location where the nail 6 for fixing the joining member 10 to the formwork 5 is driven is determined by the groove 12, so that there is no danger that the nail 6 will be accidentally driven into the fitting groove 11. In addition, the time required for fixing the joining member 10 can be reduced.

Subsequently, the other flat surface of the lining plate 1 is made to adhere to the wall surface 5a of the mold frame 5, and the longitudinal end of each of the side surfaces in the width direction of the joining member 10 is applied. And attached to the formwork 5.

The lining plate 1 is attached to the mold frame 5 by providing a through hole at a predetermined position at an end of the lining plate 1 which comes into contact with the joining member 10, and a hard synthetic resin is formed from the rib side to the through hole. The lining plate 1 is fixed to the formwork 5 by driving in a nail 6 made of.

Then, the lining plate 1 is similarly brought into contact with both sides in the width direction of the joining member 10 and is attached to the formwork 5, so that the joining member 10 is interposed at the connection portion in the longitudinal direction of the lining plate 1. . Note that, in the width direction of the lining plate 1, the hook-shaped portions are abutted, and a joint member 4 having a substantially U-shaped cross section is fitted and connected.

As described above, the plurality of lining plates 1 are
After fixing, the rebar is assembled on the rib piece 2 side of the lining plate 1 as shown in FIG.
Place concrete 8 on the side. Further, after the concrete 8 is cured, the form 5 is removed, and the projected portion of the nail 6 that has been driven is cut off by hitting with a hammer or the like.

Then, dust and the like on the flat surface of the lining plate 1 are removed, and an adhesive made of an adhesive and a soft synthetic resin is attached to the concealing piece 14 of the first concealing member 13A on the side where the fitting piece 15 is provided. Applying a filler as a means,
Into the fitting groove 11 of the joining member 10.

An adhesive sheet (not shown) is provided along the length of the joining member 10 on the surface of the joining member 10 on the fitting groove 11 side. By peeling off the adhesive sheet immediately before attachment, entry of dust and the like into the fitting groove 11 can be prevented.

Thus, the lining plate 1 and the joining member 1
The joint portion 7 with 0 is concealed by the concealing piece 14 and subjected to anticorrosion processing. Also, at the driving portion of the nail 6 for fixing the lining plate 1 to the formwork 5, when the lining plate 1 is fixed to the formwork 5, the concealing piece 14 is driven into the predetermined range where the concealing piece 14 can conceal. It is concealed and subjected to anticorrosion processing. In this way, a concrete structure in which a lining is additionally provided on a flat surface such as a wall, a ceiling, and a floor is formed.

Next, when the lining is to be formed at the corner formed by the wall and the ceiling, etc., as shown in FIG. In order to provide the wall surface 5a, a formwork 5 made of wood or the like is installed. Then, a nail 6 made of a hard synthetic resin is driven into the joining member 1 with the fitting groove 11 facing the wall surface 5a and the groove 6 facing the ceiling side of the corner of the form 5.
0 is fixed. Further, the lining plates 1, 1 are fixed to the wall side and the ceiling side of the formwork 5 with the joining member 10 interposed therebetween.

After the plurality of lining plates 1 are fixed to the form 5, rebar is assembled on the side of the ribs 2 of the lining plate 1, and concrete 8 is placed on the side of the ribs 2 as shown in FIG. After casting and curing, the mold 5 is removed. Then, dust and the like on the flat surface of the lining plate 1 are removed, and an adhesive and a filler are applied to the concealing piece 14 of the second concealing member 13B on the bent outer side on which the fitting piece 15 is provided. After application, the fitting piece 15 is fitted into the fitting groove 11 of the joining member 10.

A bonding sheet (not shown) is provided along the length of the joining member 10 on the surface of the joining member 10 on the fitting groove 11 side. By peeling off the adhesive sheet immediately before attachment, entry of dust and the like into the fitting groove 11 can be prevented.

Thus, the lining plate 1 and the joining member 1
The joint portion 7 with 0 is concealed by the concealing piece 14 and subjected to anticorrosion processing. Also, the portion where the nail 6 for fixing the lining plate 1 to the formwork 5 is driven is concealed by the concealing piece 14 and is subjected to anticorrosion processing. In this way, the lining is additionally coated at the corner.

The fixing position of the joining member 10 is not limited to the ceiling side of the corner, but may be fixed to the wall side of the corner.

Next, when the lining is to be formed at the protruding corner made of a beam or the like, as shown in FIG.
In order to provide a predetermined wall surface 5a when is attached to concrete, a formwork 5 made of wood or the like is installed. Then, a nail 6 made of a hard synthetic resin is driven into the fitting wall 11 from the groove 12 side to the vertical wall surface side of the corner of the form 5 with the fitting groove 11 facing the wall surface 5a side, and the joining member 10 is fixed. Further, the lining plates 1 and 1 are fixed to the horizontal wall surface and the vertical wall surface of the mold 5 so that the joining member 10 is interposed therebetween.

After the plurality of lining plates 1 are fixed to the formwork 5, a reinforcing bar is assembled on the side of the rib 2 of the lining plate 1, and concrete 8 is placed on the side of the rib 2 as shown in FIG. After casting and curing, the mold 5 is removed. Then, dust and the like on the flat surface of the lining plate 1 are removed, and an adhesive and a filler are applied to the concealing piece 14 of the third concealing member 13C on the bent inner side on which the fitting piece 15 is provided. After application, the fitting piece 15 is fitted into the fitting groove 11 of the joining member 10.

An adhesive sheet (not shown) is provided along the length of the joining member 10 on the surface of the joining member 10 on the fitting groove 11 side. By peeling off the adhesive sheet immediately before attachment, entry of dust and the like into the fitting groove 11 can be prevented.

Thus, the lining plate 1 and the joining member 1
The joint portion 7 with 0 is concealed by the concealing piece 14 and subjected to anticorrosion processing. Also, the portion where the nail 6 for fixing the lining plate 1 to the formwork 5 is driven is concealed by the concealing piece 14 and is subjected to anticorrosion processing. In this way, the lining is additionally coated at the protruding corner.

The fixing position of the joining member 10 is not limited to the vertical wall surface of the corner, but may be fixed to the horizontal wall surface of the corner.

Therefore, the lining structure thus configured includes the joining member 10 interposed between the connecting portions in the longitudinal direction of the lining plates 1 and 1 and the flat surface, the inside corner and the outside corner. The first concealing member 13A, the second concealing member 13B, and the third concealing member 1 that have the concealing pieces 14 corresponding to
The provision of the 3C makes it possible to easily connect the lining plates 1 and 1 in the longitudinal direction and to obtain a sufficient anticorrosion effect.

The concealing piece 1 forming the first concealing member 13A, the second concealing member 13B and the third concealing member 13C
According to 4, when the concealing members 13A, 13B, and 13C are fitted to the joining member 10 to obtain the anticorrosion effect of the connection portion between the lining plates 1 and 1, the joining member 10 and the lining plate 1 are simultaneously attached to the formwork 5. Since the concealing and anticorrosion processing is performed on the driven portion of the nail 6 driven for fixing, the appearance after construction can be improved.

Since the driving portion of the nail 6 is concealed, it is not necessary to consider the number of nails to be driven and the like, as long as it is within the concealing range of the concealing pieces 14 of the concealing members 13A, 13B, 13C. The joining member 10 and the lining plate 1 can be sufficiently fixed to the mold 5.

Further, in such a lining construction method, the longitudinal connecting portions of the lining plates 1, 1 are connected to the wall surface 5a of the formwork 5 installed for positioning the inner wall surface of the concrete structure. The joining member 10 is fixed so as to be interposed in the concrete 8 and the concrete 8 is cast and cured.
After removing the mold 5, a flat surface,
Since the first concealing member 13A, the second concealing member 13B, and the third concealing member 13C corresponding to each of the entrance corner and the exit corner were fitted, the joint portions 7,
It becomes possible to apply anticorrosion processing to 7 as a whole,
At the same time, since the anticorrosion processing is applied to the nailed portion, the work is facilitated and the work time can be greatly reduced.

In the embodiment described above, the joining member 10
Are provided with two fitting grooves 11, and two concealing members 13A, 13B, 13C are also provided with two fitting pieces 15, 15, respectively. Each piece 15 may be a single piece. Even with such a configuration, the same effect as in the above-described embodiment can be obtained.

By the way, as another embodiment corresponding to the corner, a joining member 10 and a fourth concealing member 13D as shown in FIG. 8 can be adopted, and this configuration will be described below. The joining member 10 is a long body having a substantially L-shaped cross section made of a synthetic resin such as hard vinyl chloride, and has a fitting groove 11 provided on each bent inner surface, and a fitting groove 11 fitted on one of the bent outer surfaces. A groove 12 indicating a position that does not interfere with the groove 11 is provided.

The fourth concealing member 13D has a concealing piece 14 formed in a strip-like plate shape, and a single fitting piece 15 is provided in the vicinity of one widthwise end of one surface.

At the time of construction, the joining member 10 is
Are fixed to the corners of the formwork 5 so that they face the wall 5a, and the lining plate 1 is fixed to the wall and the ceiling. And
After placing and curing the concrete 8 and removing the form 5, the lining is constructed by fitting the fourth concealing members 13 </ b> D into the respective fitting grooves 11.

Further, the joining member 10 as another embodiment as shown in FIG. 9 and the above-mentioned fourth concealing member 13D are also employed in the protruding corner. The joining member 10 is a long body having a substantially L-shaped cross section made of a synthetic resin such as hard vinyl chloride. The fitting member 11 is provided with a fitting groove 11 on a bent outer surface, and is fitted on one of the bent inner surfaces. Groove 11
Groove 12 indicating a position not interfering with the groove.

At the time of construction, the joining member 10 is
Are fixed to the corners of the formwork 5 so as to face the wall 5a, and the lining plate 1 is fixed to the vertical wall and the horizontal wall. Then, after the concrete 8 is cast and cured, and the formwork 5 is removed, the lining is constructed by fitting the fourth concealing members 13D, 13D into the respective fitting grooves 11, respectively.

As described above, even with the lining structure according to the other embodiment, the same effect as that of the above-described embodiment can be obtained. Also, in the construction, the same effect as in the above-described embodiment can be obtained.

Further, in another embodiment, an adhesive sheet is provided on the surface of the joining member 10 on the fitting groove 11 side.
, And at the time of construction, it is possible to prevent the entry of dust and the like into the fitting groove 11 by peeling off the adhesive sheet immediately before attaching the fourth concealing member 13D. .

In all the above-described embodiments, the fitting piece 15 of the concealing member 13 has been described as being provided continuously along the longitudinal direction of the concealing piece 14. However, the present invention is not limited to this. It may be provided intermittently along the longitudinal direction of the piece 14.

[0059]

As described above, according to the method of constructing a lining structure of the present invention, the lining plate is provided with the joining member interposed at the connecting portion in the longitudinal direction,
By providing a concealing member having a fitting piece fitted into the fitting groove of the joining member and a hiding piece covering the joint portion between each lining plate and the joining member, A sufficient anticorrosion effect can be obtained at the connecting portion in the longitudinal direction.

Further, the joint between the lining plate and the joining member is covered with the concealing piece of the concealing member.
The appearance after construction can be improved.

Further, a joint member is fixed to a predetermined wall surface for positioning the inner wall surface of the concrete structure so as to intervene in a connecting portion in the longitudinal direction of each lining plate, and after the concrete is poured and cured, the wall surface is formed. Since the procedure is to remove the above and to fit the concealing member to the joining member, it becomes possible to easily perform anticorrosion processing on the joint portion between each lining plate and the joining member, and the working time is greatly reduced. be able to.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a joining member constituting a lining structure constructed by a construction method of the present invention.

FIG. 2 is a perspective view showing a first concealing member forming the same lining structure.

FIG. 3 is a perspective view showing a second concealing member forming the same lining structure.

FIG. 4 is a perspective view showing a third concealing member forming the same lining structure.

5A and 5B are side sectional views showing a construction method in which the first concealing member used in the lining structure is adopted.

6A and 6B are side sectional views showing a construction method in which a second concealing member used in the same lining structure is adopted.

7A and 7B are side sectional views showing a construction method in which a third concealing member used in the lining structure is adopted.

FIG. 8 is a side sectional view showing another example of a method of constructing the lining structure.

FIG. 9 is a side sectional view showing still another example of a method of constructing the lining structure.

FIG. 10 is a perspective view showing a lining plate constituting the lining structure.

FIG. 11 is a plan view showing a connection configuration of the lining plate.

FIG. 12 is a side sectional view showing a conventional lining structure construction method.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Lining plate, 2 ... Rib piece, 5a ... Wall surface, 7 ... Joint part, 8 ... Concrete, 10 ... Joining member, 11 ... Fitting groove, 13 ... Concealing member, 14 ... Concealing piece, 15 ... Fitting piece.

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Internal reference number FI Technical display area E04F 13/18 0231-2E E04F 13/18 F

Claims (1)

(57) [Claims] 1. A joining member which forms a predetermined wall surface for positioning an inner wall surface of a concrete structure, and which is formed into an elongated body and has a fitting groove continuous in the longitudinal direction on a predetermined side surface with respect to a predetermined position of the wall surface. Fixing so that the fitting groove faces the wall surface side, a plurality of rib pieces formed in the shape of a strip plate and having a plurality of rib pieces that are parallel to each other in the width direction at equal intervals and continuous in the longitudinal direction Of the lining plate with respect to the wall surface so that the other surface is along the wall surface, and end portions in the longitudinal direction are abutted and fixed to the width direction side surfaces of the joining member, and the lining plate is attached to one side of the rib. The wall surface is removed after the concrete is cast and cured, and the concealing member having the oblong plate-shaped concealing piece and the fitting piece integrally provided along the longitudinal direction of the concealing piece is used as the joining member. The fitting piece to the fitting groove Causes fitted, the construction method of lining structure, which comprises bonding the joint portion between the lining plate and the joint member through a bonding means to cover at the hidden piece.