JP2014234639A - Gypsum building material, projected corner part structure, and corner member - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a gypsum board capable of forming a projected corner part capable of configuring a semi-fireproof structure based on a ministerial ordinance.SOLUTION: A gypsum building material includes one surface and the other surface positioned on the side opposite to the one surface. The gypsum building material has a curved part that is obtained by applying chamfering to a corner part including one side of at least the one surface.

Description

  The present invention relates to a gypsum-based building material, a protruding corner structure, and a corner member.

  Gypsum-based building materials such as gypsum board, reinforced gypsum board, ordinary hard gypsum board, glass mat gypsum board, gypsum board with glass fiber non-woven fabric, slag gypsum board, etc. have fire resistance, sound insulation, workability and economy etc. Since it has excellent performance, it is widely used for the wall of buildings.

  The gypsum building material usually has a plate shape. For this reason, when forming the projecting corner portion of the building with the gypsum-based building material, the projecting corner portion having a substantially right angle is formed by abutting the end portions of the two gypsum-based building materials and bonding them together.

  However, in recent years, there are cases where the corners of the protruding corners are required to have a curved shape for the purpose of softening the indoor atmosphere or improving the design of the room.

  In order to make the corner portion of the protruding corner portion into a curved surface shape, for example, Patent Document 1 is provided at a corner portion formed by a pair of plate members being abutted against each other, and is opposed to each other in the intersecting state of the plate members. A corner member that covers a space sandwiched between end faces has been proposed. The corner member includes a pair of projecting portions covering outer surface end portions adjacent to the end surfaces of the pair of plate members, and a space between the end surfaces of the pair of plate members by connecting the pair of projecting portions. And has a curved surface portion to cover, and is formed of a thermosetting elastomer, a thermoplastic elastomer or the like.

  As a method for forming a curved surface in a gypsum building material, a method is also known in which a plurality of slits perpendicular to the direction in which the gypsum building material is bent are formed on the back surface of the gypsum building material.

JP-A-10-325226

  By the way, for example, in order to be recognized as a ministerial quasi-refractory housing set by the Housing Finance Support Organization, the room needs to be surrounded by gypsum building materials. However, the corner member proposed in Patent Document 1 is formed of a material having no fire resistance such as a thermosetting elastomer. Further, since the plate members are in contact with each other only to form a corner portion for installing the corner member, the building including the projecting corner portion formed by the corner member is not recognized as a residence of a ministerial ordinance fireproof structure. There was a problem that there was a possibility. For this reason, the use which can employ | adopt the protrusion corner using the corner member proposed by patent document 1 was limited.

  Moreover, it has been difficult to form a curved surface required for the protruding corner by the curved surface forming method in which a plurality of slits are formed on the back surface of the gypsum building material. Moreover, the operation | work which forms the gypsum-type building material which formed the slit in a curved surface on a construction site is complicated, and also it was difficult to reproduce a uniform curved surface shape.

  Since it is difficult to reproduce a uniform curved surface shape as described above, the curved surface shape is given up, and the corners of the substantially vertical corners formed by abutting the ends of two gypsum building materials It is also conceivable to perform chamfering with a flat surface. However, the work of chamfering at the construction site is complicated. Further, the chamfered portion has a problem that it becomes a defective portion in fire resistance because the thickness of the gypsum building material is locally insufficient.

  The present invention has been made in view of the above-described problems of the prior art, and an object thereof is to provide a gypsum-based building material capable of forming a protruding corner portion that can constitute a reduced-order quasi-refractory structure.

In order to solve the above problems, the present invention has a plate-like shape having one surface and the other surface located on the opposite side of the one surface,
Provided is a gypsum-based building material having a curved surface portion where a corner portion including one side of at least one surface is chamfered.

  According to the gypsum-based building material of the present invention, it is possible to form a protruding corner that can constitute a ministerial quasi-refractory structure.

Explanatory drawing of the structural example of the gypsum-type building material which concerns on the 1st Embodiment of this invention. Explanatory drawing of the other structural example of the gypsum-type building material which concerns on the 1st Embodiment of this invention. Explanatory drawing of the structural example of the protrusion corner | angular part structure which concerns on the 1st Embodiment of this invention. Explanatory drawing of the other structural example of the protrusion corner structure which concerns on the 1st Embodiment of this invention. Explanatory drawing of the structural example of the corner member which concerns on the 1st Embodiment of this invention. Explanatory drawing of the structural example of the gypsum-type building material which concerns on the 2nd Embodiment of this invention. Explanatory drawing of the structural example of the protrusion corner structure which concerns on the 2nd Embodiment of this invention. Explanatory drawing of the structural example of the corner member which concerns on the 2nd Embodiment of this invention. Explanatory drawing of the other structural example of the corner member which concerns on the 2nd Embodiment of this invention.

DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments for carrying out the present invention will be described. However, the present invention is not limited to the following embodiments, and various modifications and changes can be made to the following embodiments without departing from the scope of the present invention. Substitutions can be added.
[First Embodiment]
(Gypsum building materials)
The gypsum building material of this embodiment is demonstrated.

  The gypsum-based building material of the present embodiment has a plate-like shape having one surface and the other surface located on the opposite side of the one surface, and includes a corner including one side of at least one surface. It has a curved part with chamfered parts.

  A specific configuration will be described with reference to FIG.

  FIG. 1 shows a configuration example of the gypsum building material of this embodiment.

  As shown in FIG. 1, the gypsum-based building material 10 of this embodiment has one surface 111 and the other surface 112 located on the opposite side of the one surface. And it has the curved surface part 13 which chamfered the corner | angular part containing the one side 12 of at least one surface 111. FIG.

  In the gypsum-based building material 10 of the present embodiment, as shown in FIG. 1, since one end portion has a curved surface portion 13, the other side of the one end portion has a side surface of another gypsum-based building material. A protruding corner having a curved surface shape can be easily formed by abutting and bonding the portions.

  The gypsum-based building material 10 of the present embodiment is not particularly limited. For example, gypsum board, reinforced gypsum board, ordinary hard gypsum board, glass mat gypsum board, glass fiber non-woven gypsum board, slag gypsum board, etc. Can be mentioned. Among these, a glass fiber non-woven gypsum board or a slag gypsum board whose surface is not coated is preferable because of its excellent design.

  The specific gravity of the gypsum-based building material 10 is not particularly limited, but a higher specific gravity is preferable because chipping of the curved surface portion can be suppressed. Specifically, for example, the specific gravity is preferably 0.8 or more. More preferably, the specific gravity is 1.0 or more, and a particularly sufficient effect of suppressing chipping of the curved surface portion can be obtained. Moreover, the chip | tip of a curved surface shape part can also be suppressed by mix | blending reinforcement materials, such as glass fiber, with the gypsum-type building material 10. FIG.

  The size of the gypsum-based building material 10 is not particularly limited, and can be set to any size according to the place where the construction is performed.

  As shown in FIG. 1, the gypsum-based building material 10 of the present embodiment has one surface 111 and the other surface 112 located on the opposite side of the one surface. And it has the curved surface part 13 which chamfered the corner | angular part containing the one side 12 of at least one surface.

  In this case, chamfering is not limited to one side 12 of one surface 111, and curved portions having chamfered portions may be provided in accordance with the portion where the protruding corner portion is formed. it can. Specifically, for example, like the gypsum-based building material 20 shown in FIG. 2, chamfering is similarly applied to the side 14 facing the side 12 of the one side 111, and in addition to the (first) curved surface portion 13. The second curved surface portion 21 can also be provided.

  The shape of the curved surface portions 13 and 21 is not particularly limited, and can be a shape that matches the shape required for the corner portion when a protruding corner structure described later or a corner member is configured. Specifically, for example, in the cross section perpendicular to one side 12 of one surface 111 included in the chamfered corner, that is, in the surface 15 in FIGS. It preferably has an arc shape. By forming the curved surface portions 13 and 21 into a ¼ arc shape, the corner portion can be made into a particularly appropriate curved surface shape when a protruding corner structure or a corner member is configured, and the gypsum-based building material of the curved surface portion The thickness (1/4 arc-shaped radius) is locally insufficient, and there is no fear of becoming a defective portion in fire resistance.

  The method of forming the curved surface portions 13 and 21 is not particularly limited, but the corner portions including the selected sides 12 and 14 are chamfered by grinding and polishing to form the curved surface portions 13 and 21. can do.

  In the case of gypsum-based building materials, for example, in the case of gypsum board, the surface of the hardened gypsum body that is the core material is coated with the base paper, but the curved surface portion of the gypsum-based building material of this embodiment is formed by grinding and polishing. In the curved surface portions 13 and 21, the hardened gypsum body as the core material is exposed. For this reason, in the gypsum-type building material of this embodiment, it is preferable to apply a primer etc. to the part which the gypsum hardened body exposed, ie, a curved surface part. By applying a primer to the exposed part of the hardened gypsum body, the exposed part of the hardened gypsum body is prevented from being scraped, and the adhesiveness with the cloth is improved when a cloth (wallpaper) is applied to the surface of the gypsum building material. Can be increased.

According to the gypsum-based building material of the present embodiment described above, it is possible to form a protruding corner that can constitute a ministerial quasi-fireproof structure.
(Outside corner structure)
A configuration example of the protruding corner structure of the present embodiment will be described.

  The protruding corner structure of the present embodiment includes one gypsum building material and another gypsum building material. Here, one gypsum building material is the gypsum building material described above, and the other gypsum building material has a plate shape. And it has the structure formed by abutting the end part side surface of another gypsum type building material on the other side of the end part in which the curved surface part of one gypsum type building material was provided.

  A specific structure will be described with reference to FIGS.

  As shown in FIG. 3, the protruding corner structure 30 of this embodiment includes one gypsum-based building material 10 and another gypsum-based building material 31.

  One gypsum-based building material 10 is the gypsum-based building material shown in FIG. 1, and has a curved surface portion 13 in which a corner portion including one side 12 of one surface 111 is chamfered.

  Further, the other gypsum building material 31 has a plate-like shape, and it is preferable that the end portion to be abutted with one gypsum building material 10 has a planar shape as shown in FIG. .

  The kind of other gypsum-based building material 31 is not particularly limited. For example, gypsum board, reinforced gypsum board, ordinary hard gypsum board, glass mat gypsum board, glass fiber non-woven gypsum board, slag gypsum board and the like can be used. Among these, a glass fiber non-woven gypsum board or a slag gypsum board whose surface is not coated is preferable because of its excellent design. Note that the one gypsum-based building material 20 and the other gypsum-based building material 31 may be the same type of gypsum-based building material, or may be composed of different types of gypsum-based building materials.

  And the other side 112 of the edge part in which the curved-surface part 13 of the one gypsum building material 10 was provided is faced | matched with the edge part side surface of the other gypsum building material 31. FIG. That is, the side surface of the end of another gypsum building material 31 is abutted against the other surface 112 side of the end including one side where the curved surface portion 13 of one gypsum building material 10 is provided. Thereby, the corner | angular part of the protrusion corner structure 30 can be made into a curved surface shape.

  The method for adhering one gypsum building material 10 and the other gypsum building material 31 is not particularly limited, but the gypsum building material 10 can be adhered by an adhesive. Examples of the adhesive include a vinyl acetate resin emulsion. Adhesives and inorganic adhesives can be preferably used. In this case, for example, Yoshino Sakubi Bond (trade name) or the like can be preferably used as the vinyl acetate resin emulsion adhesive, and Trabond (registered trademark) or the like can be preferably used as the inorganic adhesive.

  In the projecting corner structure 30 of the present embodiment described above, one gypsum-based building material 10 and another gypsum-based building material 31 are in contact with each other and are made of a refractory material. The structure can constitute a ministerial ordinance refractory structure.

  Another configuration example is shown in FIG.

  The protruding corner structure 40 shown in FIG. 4 also includes one gypsum-based building material 20 and other gypsum-based building materials 31 and 41.

  One gypsum-based building material 20 is the gypsum-based building material shown in FIG. 2, and has curved surface portions 13 and 21 in which corner portions including sides 12 and 14 of one surface 111 are chamfered.

  Further, the other gypsum building materials 31 and 41 have a plate shape, and the end portion to be attached to one gypsum building material 10 has a planar shape as shown in FIG. Is preferred.

  The types of the other gypsum building materials 31 and 41 are not particularly limited. For example, gypsum board, reinforced gypsum board, ordinary hard gypsum board, glass mat gypsum board, glass fiber non-woven gypsum board, slag gypsum board and the like can be used. Among these, a glass fiber non-woven gypsum board or a slag gypsum board whose surface is not coated is preferable because of its excellent design. Note that the one gypsum-based building material 20 and the other gypsum-based building materials 31 and 41 may be the same type of gypsum-based building material, or may be composed of different types of gypsum-based building materials.

And the other side surface 112 of the edge part in which the curved-surface parts 13 and 21 of the one gypsum-type building material 10 were provided is faced | matched with the edge part side surface of the other gypsum-type building materials 31 and 41. FIG. That is, the side surfaces of the end portions of the other gypsum building materials 31 and 41 are abutted against the other surface 112 side of the end portion including the sides 12 and 14 provided with the curved surface portions. Thereby, the protruding corner structure 40 includes two corners, and the corners can be curved at each corner. Further, in the protruding corner structure 40 of the present embodiment, one gypsum building material 20 and the other gypsum building materials 31 and 41 are in contact with each other and are made of a refractory, so that the protruding corner The substructure can constitute a ministerial ordinance refractory structure.
(Corner material)
The corner member of this embodiment is demonstrated.

  The corner member of the present embodiment includes one gypsum building material and another gypsum building material. Here, one gypsum building material is the gypsum building material described above, and the other gypsum building material has a plate shape. And the other side surface of the edge part in which the curved-surface part of one gypsum type building material was provided is formed by abutting the end part side surface of another gypsum type building material.

  A specific configuration example will be described with reference to FIG.

  As shown in FIG. 5, the corner member 50 of this embodiment includes one gypsum-based building material 10 and another gypsum-based building material 51.

  One gypsum-based building material 10 is the above-described gypsum-based building material, and has a curved surface portion 13 that is chamfered at a corner portion including one side 12 of one surface 111.

  Further, the other gypsum building material 51 has a plate shape, and it is preferable that the end portion to be abutted with one gypsum building material 10 has a planar shape as shown in FIG. .

  The kind of other gypsum-based building material 51 is not particularly limited. For example, gypsum board, reinforced gypsum board, ordinary hard gypsum board, glass mat gypsum board, glass fiber non-woven gypsum board, slag gypsum board and the like can be used. Among these, a glass fiber non-woven gypsum board or a slag gypsum board whose surface is not coated is preferable because of its excellent design. Note that the one gypsum-based building material 10 and the other gypsum-based building material 51 may be the same type of gypsum-based building material, or may be composed of different types of gypsum-based building materials.

  And the other side surface 112 of the edge part in which the curved-surface part 13 of the one gypsum-type building material 10 was provided is faced | matched with the edge part side surface of the other gypsum-type building material 51. FIG. That is, the side surface of the end of another gypsum building material 31 is abutted against the other surface 112 side of the end including one side where the curved surface portion 13 of one gypsum building material 10 is provided. Thereby, the corner member 50 can make a corner part into a curved surface shape.

  The method for bonding one gypsum building material 10 and the other gypsum building material 51 is not particularly limited, but the gypsum building material 10 can be bonded by an adhesive. Examples of the adhesive include a vinyl acetate resin emulsion. Adhesives and inorganic adhesives can be preferably used. In this case, for example, Yoshino Sakubi Bond (trade name) or the like can be preferably used as the vinyl acetate resin emulsion adhesive, and Trabond (registered trademark) or the like can be preferably used as the inorganic adhesive.

  For example, as shown in FIG. 5, the corner member 50 according to the present embodiment is arranged between gypsum-based building materials 52 and 53 that are separately provided, and bonded to the gypsum-based building materials 52 and 53, so that the corner member 50 can be easily projected on the spot. A partial structure can be formed. The method of adhering the corner member 50 and the gypsum building materials 52 and 53 is not particularly limited, but can be adhered by an adhesive. Examples of the adhesive include a vinyl acetate resin emulsion adhesive and an inorganic material. An adhesive or the like can be preferably used. In this case, for example, Yoshino Sakubi Bond (trade name) or the like can be preferably used as the vinyl acetate resin emulsion adhesive, and Trabond (registered trademark) or the like can be preferably used as the inorganic adhesive.

In the corner member 50 of the present embodiment described above, one gypsum building material 10 and the other gypsum building material 51 are in contact with each other and are made of a refractory. A semi-refractory structure can be constructed.
[Second Embodiment]
(Gypsum building materials)
The gypsum building material of this embodiment is demonstrated.

  The gypsum-based building material of this embodiment has a fan column shape.

  A specific configuration will be described with reference to FIG.

  FIG. 6 shows a configuration example of the gypsum building material of the present embodiment.

  As shown in FIG. 6, the gypsum-based building material 60 of this embodiment has a fan column shape. That is, the upper surface (bottom surface) 61 is a fan-shaped columnar body, and has two flat surface portions 62 and 63 and a curved surface portion 64 on the side surface.

  At this time, the upper surface (bottom surface) 61 may be fan-shaped, and the angle x of the central angle and the lengths of the straight portions a and b are not particularly limited. For example, when used for a protruding corner structure or a corner member, which will be described later, the central angle x can be selected according to the shape required for the protruding corner structure or the corner of the corner member. Further, the lengths of the straight portions a and b can be selected so as to correspond to the thickness of the gypsum-based building material having a pair of plate-like shapes constituting the protruding corner structure and the corner member. That is, the lengths of the straight portions a and b may be equal or different.

  However, particularly on the upper surface (bottom surface) 61, the angle x of the central angle is preferably 90 °, and the lengths of the straight part a and the straight part b are preferably equal. That is, the shape of the upper surface (bottom surface) 61 of the fan-shaped gypsum building material is preferably a ¼ circle. When the upper surface (bottom surface) 61 has a ¼ circular shape, when a protruding corner structure or a corner member is configured, the corner portion can have a particularly appropriate curved shape, and the thickness of the curved gypsum building material ( There is no concern that the radius of the ¼ arc shape will be locally insufficient, resulting in a defective portion in fire resistance.

  The gypsum-based building material 60 of the present embodiment is not particularly limited. For example, gypsum board, reinforced gypsum board, ordinary hard gypsum board, glass mat gypsum board, glass fiber non-woven gypsum board, slag gypsum board, etc. Can be mentioned. Among these, a glass fiber non-woven gypsum board or a slag gypsum board whose surface is not coated is preferable because of its excellent design.

  Although the specific gravity of the gypsum-based building material 60 is not particularly limited, a material having a large specific gravity is preferable because chipping of the curved surface portion can be suppressed. Specifically, for example, the specific gravity is preferably 0.8 or more. More preferably, the specific gravity is 1.0 or more, and a particularly sufficient effect of suppressing chipping of the curved surface portion can be obtained. Moreover, the chip | tip of a curved surface shape part can also be suppressed by mix | blending reinforcement materials, such as glass fiber, with the gypsum-type building material 60. FIG.

  The size of the gypsum-based building material 60 is not particularly limited, and can be set to any size according to the place where the construction is performed.

  The manufacturing method of the gypsum-based building material 60 of the present embodiment is not particularly limited. For example, after forming the gypsum-based building material 10 having the curved surface portion 13 with the chamfered corner portion including the one side 12 shown in FIG. 1, the curved surface portion 13 with the chamfered corner portion including the one side 12. The end portion can be cut and manufactured to include That is, for example, in the case of the gypsum building material 10 shown in FIG. 1, the end including the curved surface portion 13 cut by cutting at the line 16 can be used as the gypsum building material 60 of the present embodiment. It can also be manufactured by molding gypsum slurry in the shape of the gypsum building material 60 shown in FIG.

  In the gypsum-based building material 60 of the present embodiment, the hardened gypsum body that is the core material is exposed at least at the curved surface portion 64. For this reason, in the gypsum-type building material of this embodiment, it is preferable to apply a primer etc. to the part which the gypsum hardened body exposed, ie, the curved surface part 64, for example. By applying a primer to the exposed part of the hardened gypsum body, the exposed part of the hardened gypsum body is prevented from being scraped, and the adhesiveness with the cloth is improved when a cloth (wallpaper) is applied to the surface of the gypsum building material. Can be increased. In addition, when the gypsum hardened body is exposed in addition to the curved surface portion 64, a primer or the like can be applied to the exposed surface as necessary.

  According to the gypsum-based building material 60 of the present embodiment, it is possible to easily form a protruding corner portion having a curved shape at the corner portion. Specifically, for example, a gypsum-based building material having a pair of plate-like shapes is prepared, arranged such that the gypsum-based building materials are in contact with each other at one side of the end, and sandwiched between the ends of the pair of gypsum-based building materials By disposing the gypsum-based building material of this embodiment, it is possible to easily form a protruding corner having a curved shape at the corner. In this case, the pair of gypsum building materials are only in contact with one side, but the gypsum building material 60 of the present embodiment having fire resistance covers the sides in contact with the pair of gypsum building materials. A ministerial ordinance refractory structure can be constructed.

According to the gypsum-based building material of the present embodiment described above, it is possible to form a protruding corner that can constitute a ministerial quasi-fireproof structure.
(Outside corner structure)
A configuration example of the protruding corner structure of the present embodiment will be described.

  The protruding corner structure of the present embodiment includes one gypsum-based building material, another gypsum-based building material, and the gypsum-based building material described in the present embodiment. One gypsum building material and the other gypsum building material have a plate-like shape. The end of one gypsum building material and the end of another gypsum building material are in contact with each other, and is sandwiched between the end of one gypsum building material and the end of another gypsum building material. The gypsum building material described in the present embodiment is disposed in the remaining space.

  A specific structure will be described with reference to FIG.

  As shown in FIG. 7, the protruding corner structure 70 of the present embodiment includes one gypsum-based building material 71, another gypsum-based building material 72, and the gypsum-based building material 60 described in the present embodiment. .

  One gypsum-based building material 71 and the other gypsum-based building material 72 have a plate-like shape, and the end portion in contact with the gypsum-based building material 60 described in the present embodiment is flat as shown in FIG. It preferably has a shape. The end of one gypsum building material 71 and the end of another gypsum building material 72 are in contact with each other and are sandwiched between the end of one gypsum building material 71 and the end of another gypsum building material 72. A fan-shaped gypsum building material 60 is arranged in the space.

  That is, among the side surfaces of the fan-shaped gypsum building material 60, one gypsum building material 71 is arranged in contact with the flat surface portion 62 and another gypsum building material 72 is in contact with the flat surface portion 63.

  At this time, it is preferable that the gypsum building material 60 and the one gypsum building material 71 and the other gypsum building material 72 are bonded to each other. The method of adhering the gypsum building material 60 to the one gypsum building material 71 and the other gypsum building material 72 is not particularly limited, but can be bonded by an adhesive. As the adhesive, for example, a vinyl acetate resin emulsion adhesive or an inorganic adhesive can be preferably used. In this case, for example, Yoshino Sakubi Bond (trade name) or the like can be preferably used as the vinyl acetate resin emulsion adhesive, and Trabond (registered trademark) or the like can be preferably used as the inorganic adhesive.

  The types of the one gypsum building material 71 and the other gypsum building material 72 are not particularly limited. For example, gypsum board, reinforced gypsum board, ordinary hard gypsum board, glass mat gypsum board, and glass fiber nonwoven fabric. A gypsum board, a slag gypsum board, etc. can be used. Among these, a glass fiber non-woven gypsum board or a slag gypsum board whose surface is not coated is preferable because of its excellent design. The one gypsum-based building material 71, the other gypsum-based building material 72, and the fan-column-shaped gypsum-based building material 60 may all be the same type of gypsum-based building material, or some or all of the different types of gypsum-based building material. It may be constituted by.

In the protruding corner structure 70 of the present embodiment described above, one gypsum-based building material 71 and the other gypsum-based building material 72 are only in contact with one side, but the gypsum of the present embodiment having fire resistance is provided. A system building material 60 covers a side where one gypsum building material 71 and another gypsum building material 72 are in contact with each other. For this reason, the protruding corner structure can constitute a ministerial quasi-fireproof structure.
(Corner material)
The corner member of this embodiment is demonstrated.

  The corner member of the present embodiment includes the above-described gypsum building material.

  The corner member of this embodiment can also be comprised only with the gypsum-type building material which has the fan column shape shown in FIG. 6, for example.

  Moreover, it can also be set as the structure provided with one gypsum-type building material, the other gypsum-type building material, and the gypsum-type building material demonstrated in this embodiment similarly to the case of the protruding corner part structure mentioned above. In this case, one gypsum building material and the other gypsum building material have a plate-like shape. The end of one gypsum building material and the end of another gypsum building material are in contact with each other, and is sandwiched between the end of one gypsum building material and the end of another gypsum building material. The gypsum building material described in the present embodiment is disposed in the remaining space.

  First, when the corner member of the present embodiment is configured only by the gypsum-based building material having the fan column shape shown in FIG. 6, since it has the same configuration as the gypsum-based building material described in the present embodiment, The description is omitted here.

  In this case, as shown in FIG. 8, by placing a corner material 80, which is a gypsum-based building material having a fan column shape, between gypsum-based building materials 81, 82 separately provided, and by adhering to the gypsum-based building materials 81, 82. The corners can be easily formed on site. In this case, the gypsum building materials 81 and 82 preferably have a plate shape. Then, the end of the gypsum building material 81 and the end of the gypsum building material 82 are arranged so as to contact each other, and the corner member 80 is arranged in a space sandwiched between the ends of the gypsum building materials 81 and 82. Will be.

  The method of adhering the corner member 80 and the gypsum building materials 81 and 82 is not particularly limited, but can be adhered by an adhesive. Examples of the adhesive include a vinyl acetate resin emulsion adhesive and an inorganic material. An adhesive or the like can be preferably used. In this case, for example, Yoshino Sakubi Bond (trade name) or the like can be preferably used as the vinyl acetate resin emulsion adhesive, and Trabond (registered trademark) or the like can be preferably used as the inorganic adhesive.

  In the protruding corner portion using the corner member 80 of the present embodiment described above, the gypsum building materials 81 and 82 are only in contact with one side, but the corner member 80 having fire resistance is the gypsum building material 81. And other gypsum building materials 82 are in contact with each other. For this reason, the corner member 80 can constitute a ministerial quasi-fireproof structure.

  Moreover, the corner member of this embodiment can also be set as the structure provided with one gypsum-type building material, another gypsum-type building material, and the gypsum-type building material demonstrated in this embodiment.

  A specific structure in this case will be described with reference to FIG.

  As shown in FIG. 9, the corner member 90 of the present embodiment includes one gypsum-based building material 91, another gypsum-based building material 92, and the gypsum-based building material 60 described in the present embodiment.

  One gypsum building material 91 and another gypsum building material 92 have a plate-like shape, and the end of one gypsum building material 91 and the end of another gypsum building material 92 are in contact with each other. A fan-column-shaped gypsum building material 60 is disposed in a space sandwiched between the end of one gypsum building material 91 and the end of another gypsum building material 92.

  That is, among the side surfaces of the fan-shaped gypsum building material 60, one gypsum building material 91 is arranged in contact with the flat surface portion 62 and another gypsum building material 92 is in contact with the flat surface portion 63.

  At this time, it is preferable that the gypsum building material 60 is bonded to one gypsum building material 91 and the other gypsum building material 92. The method of adhering the gypsum building material 60 to the one gypsum building material 91 and the other gypsum building material 92 is not particularly limited, but can be bonded by an adhesive. As the adhesive, for example, a vinyl acetate resin emulsion adhesive or an inorganic adhesive can be preferably used. In this case, for example, Yoshino Sakubi Bond (trade name) or the like can be preferably used as the vinyl acetate resin emulsion adhesive, and Trabond (registered trademark) or the like can be preferably used as the inorganic adhesive.

  The types of the one gypsum building material 91 and the other gypsum building material 92 are not particularly limited. For example, gypsum board, reinforced gypsum board, ordinary hard gypsum board, glass mat gypsum board, and glass fiber nonwoven fabric. A gypsum board, a slag gypsum board, etc. can be used. Among these, a glass fiber non-woven gypsum board or a slag gypsum board whose surface is not coated is preferable because of its excellent design. The one gypsum-based building material 91, the other gypsum-based building material 92, and the fan-column-shaped gypsum-based building material 60 may all be the same type of gypsum-based building material, or a part or all of them are composed of different types of gypsum-based building materials. May be.

  For example, as shown in FIG. 9, the corner member 90 of the present embodiment is arranged between gypsum-based building materials 93 and 94 provided separately, and is adhered to the gypsum-based building materials 93 and 94, so that the corner member 90 can be easily projected on the spot. Part can be formed. The method of adhering the corner member 90 and the gypsum building materials 93 and 94 is not particularly limited, but can be adhered by an adhesive, and examples of the adhesive include a vinyl acetate resin emulsion adhesive and an inorganic material. An adhesive or the like can be preferably used. In this case, for example, Yoshino Sakubi Bond (trade name) or the like can be preferably used as the vinyl acetate resin emulsion adhesive, and Trabond (registered trademark) or the like can be preferably used as the inorganic adhesive.

  In the corner member 90 of the present embodiment described above, one gypsum-based building material 91 and the other gypsum-based building material 92 are only in contact with one side, but the gypsum-based building material 60 having fire resistance is gypsum. The side where the building material 91 and the other gypsum building material 92 are in contact with each other is covered. For this reason, the corner member 90 can constitute a ministerial quasi-fireproof structure.

10, 20, 60 Gypsum-based building materials 13, 21, 64 Curved surface portion 30, 40, 70 Corner-out structure 50, 80, 90 Corner member

Claims (8)

It has a plate shape with one surface and the other surface located on the opposite side of the one surface,
A gypsum-based building material having a curved portion obtained by chamfering a corner portion including one side of at least one surface.   The gypsum building material according to claim 1, wherein the curved surface portion has a ¼ arc shape in a cross section perpendicular to one side of the one surface.   The gypsum-based building material according to claim 1 or 2, wherein a gypsum hardened body that is a core material is exposed in the curved surface portion. One gypsum building material and other gypsum building materials,
The one gypsum building material is a gypsum building material according to any one of claims 1 to 3.
The other gypsum building material has a plate shape,
A protruding corner structure formed by abutting the side surface of the end of the other gypsum building material on the other surface of the end of the one gypsum building material provided with the curved surface. One gypsum building material and other gypsum building materials,
The one gypsum building material is a gypsum building material according to any one of claims 1 to 3.
The other gypsum building material has a plate shape,
A corner member formed by abutting an end surface of the other gypsum building material against the other surface of the end portion of the one gypsum building material provided with the curved surface portion.   Gypsum-based building material with a fan column shape. One gypsum-based building material, another gypsum-based building material, and the gypsum-based building material according to claim 6,
The one gypsum building material and the other gypsum building material have a plate shape,
The end of the one gypsum building material and the end of the other gypsum building material are in contact with each other,
7. A protruding corner structure in which the gypsum building material according to claim 6 is disposed in a space sandwiched between an end of the one gypsum building material and an end of the other gypsum building material.   A corner member comprising the gypsum-based building material according to claim 6.

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