JP3183315B2 - Vertical joint structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of vertical joints formed when connecting building panels (hereinafter simply referred to as "panels") useful for constructing an outer wall and an inner wall of a building or a building. More specifically, the present invention relates to a vertical joint structure which is improved in waterproofness as a complete surface water-stopping structure, and is excellent in fire resistance and heat insulation.

[0002]

2. Description of the Related Art Conventionally, as a structure for accommodating a vertical joint of this type, as shown in FIG. 8, a fixing member .beta. It is intended to cover the panel c edge by decorative cover a and Joyner b of scale, as the method, such as a blind rivet facing projections b ₁ between the projecting portions a ₁ and Joyner b of the decorative cover a A method of connecting with a fixing tool β and filling the front surface of the panel c on both left and right sides, the back surface of the decorative cover a, and the groove on the fixing tool β with the backup material d and the sealing material e has been generally performed.

[0003]

However, in the conventional structure as described above, the vertical joint has only the iron plate, the backup material d, and the sealing material e, and the joint has extremely poor heat insulation and airtightness. In addition, the thermal bridge between the decorative cover a and the joiner b causes a problem, and dew condensation occurs, and the structure is weak against the heat of a flame such as a fire. For this reason, such a joint structure, which is the weakest point in the wall structure, is JIS-compliant.
Fire resistance 1 of A-1304 (fire resistance test method for building structural parts)
It was a vertical joint structure that could not pass the time structural certification test at all. In addition, when connecting the decorative cover a and the joiner b, the impact and vibration of the fixing tool β installation cause pecking, distortion, bending, and the like on the decorative cover a serving as a surface decorative material, and the skilled worker is required to perform the installation. Required.

[0004]

The ends of the left and right panels are laid on the mounting surface of the joiner, and the center of the locking member is engaged so that the rising portions of the joiner face each other via the refractory heat insulating material. The left and right ends of the stop are fixed to the surface material of the panel, and the fixing groove of the decorative cover abuts and is fixed at approximately the center of the lock, so that the vertical joint is formed. It is covered with two members, a locking body and a decorative cover, and has improved waterproofness, airtightness, and design. In addition, a fireproof heat insulating material interposed between the locking body and the joiner, and an inorganic sheet, a vertical joint portion. By completely separating the front side and the back side of the bridge and preventing thermal bridges, it mainly improves the fire resistance and heat insulation of the vertical joints and prevents the occurrence of dew condensation. In the event of a fire,
Alternatively, a vertical joint structure capable of blocking the transmission of the heat of the flame generated from the outdoors to the outdoors or the indoors and passing the one-hour fire resistance test of JIS-A-1304 (fire resistance test method for building structural parts). It is a suggestion.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A typical example of a vertical joint structure according to the present invention will be described below in detail with reference to the drawings. FIG. 1 is a cross-sectional view showing the above structure, and includes a decorative cover A, a locking body B, a joiner C, a panel D, a fireproof heat insulating material E, a backup material F, a sealing material G, a wall base α, and a fixing tool β. Structure.

[0006] For example, as shown in FIG.
Extrusion molding of various plastic resins, aluminum alloys, etc. In addition to this, Al, Fe, Cu, stainless steel, aluminum / zinc alloy plated steel sheets, color steel sheets, enamel steel sheets, fluororesin coated steel sheets, clad steel sheets, sandwich steel sheets, etc. One type is formed by roll forming, and in particular, a joint structure of a refractory structure is formed by processing a steel plate having a thickness of 0.27 mm or more.

The decorative surface 1 has a substantially horizontal cross-sectional shape,
An inverted hat shape is formed by a fixing groove 2 having a substantially central portion of the decorative surface 1 projecting downward and in a substantially concave shape, and a contact surface 3 having both ends of the decorative surface 1 bent inward in a substantially L shape. It is made of a long body formed in the above. In the drawing, both ends are folded inward to prevent danger to form a tongue piece 3a.

The decorative cover A functions as a decorative material and a waterproof material mainly for vertical joints by covering a locking member B and a fixing tool β described later. The decorative surface 1 also functions as a bonding portion of the sealing material G when filling the gap between the back surface thereof and the surface material 9 of the panel D described later with the backup material F and the sealing material G. The fixing groove 2 is a part to be fixed using a fixing tool β such as a blind rivet as shown in FIG.

For example, as shown in FIG.
l, Fe, Cu, stainless steel, aluminum / zinc alloy plated steel sheet, color steel sheet, enameled steel sheet, fluororesin coated steel sheet, clad steel sheet, sandwich steel sheet, etc., formed into a long body by roll forming, press forming, extrusion forming, etc. In particular, in order to form a joint structure of a fire-resistant structure, the joint is formed by processing a steel sheet having a thickness of 0.27 mm or more.

The cross-sectional shape is such that a horizontal holding surface 4 and a tongue piece 5 formed by folding both ends of the holding surface 4 upward to prevent danger are formed.

As shown in FIG. 1, the holding surface 4 is in contact with a surface material 9 of a panel D, which will be described later, and is fixed via a fixing tool β such as a blind rivet, and covers a vertical joint portion. It functions as a waterproof and airtight material.

The joiner C is, for example, as shown in FIG.
Forming a long body such as Al, Fe, Cu, stainless steel, aluminum / zinc alloy plated steel plate, color steel plate, enamel steel plate, fluororesin coated steel plate, clad steel plate, sandwich steel plate, etc. by roll forming, press forming, extrusion forming, etc. In particular, in order to form a joint structure of a fire-resistant structure, the joint is formed by processing a steel sheet having a thickness of 0.27 mm or more. The cross-sectional shape is formed in a hat shape from a horizontal installation surface 6 and a rising portion 7 protruding in a substantially convex shape at a substantially central portion of the installation surface 6 upward.

The joiner C functions as a base material for a vertical joint, and as shown in FIG.
The mounting surfaces 6 on both sides are fixed to the wall foundation α using a fixing tool β such as a blind rivet. The installation surface 6 is a portion on which the panel D is laid, and functions as a base plate, a waterproof plate, and an airtight plate of a vertical joint.

The rising portion 7 functions as a guide when the panel D is laid on the installation surface 6, and at the upper portion is also a portion corresponding to the above-mentioned locking member B via a fireproof heat insulating material E.

Further, in the figure, to prevent danger, a tongue piece 8 is formed by folding both end edges of the installation surface 6 to the front side. Also, the tongue piece 8 functions as a return to rain and quickly drains toward the base even if rainwater or the like flows in from the surface of the panel D. The purpose is to prevent the occurrence of dew condensation, ticks and mold.

The panel D is shown in FIGS. 5A and 5B, for example.
As shown in FIG.
It is a wall material or the like having a sandwich structure in which the core material 11 is sandwiched and integrated with the back material 10, and is a panel D having a long horizontal stretching shape, a long vertical stretching shape, and a box shape.

The surface material 9 is made of aluminum, iron, aluminum, copper, stainless steel, titanium, aluminum / zinc alloy-plated steel plate, enameled steel plate, clad steel plate, laminated steel plate (PVC steel plate, etc.), sandwich steel plate (damping steel plate, etc.) ( Needless to say, one of these (including a color metal plate coated with various colors) is formed into various shapes by roll forming, press forming, extrusion forming or the like. The surface material 9 functions as a fixing portion of the locking body B in the vertical joint.

The back surface material 10 is the same metal material as the front surface material 9, or asbestos paper, kraft paper, asphalt felt, metal foil (Al, Fe, Pb, Cu), synthetic resin sheet, rubber sheet, cloth sheet, gypsum paper , Aluminum hydroxide paper,
It is formed by laminating one or two or more kinds of glass fiber non-woven fabric or the like, or comprises a sheet subjected to a waterproof treatment or a flame retardant treatment.

The core material 11 is made of a resol type phenol foam, polyisocyanurate foam, polyurethane foam, vinyl chloride foam, polyethylene foam, polystyrene foam, urea foam or the like, or a refractory material such as inorganic lightweight aggregate and inorganic fiber. It is composed of mixed materials.

Reference numeral 12 denotes an inorganic material such as a calcium silicate plate, a calcium carbonate plate, a gypsum board, a pearlite cement plate, a rock wool plate, a slate plate, an ALC plate,
One or more of a C-plate, another inorganic light-weight body, an inorganic light-weight foam, or a composite plate of these are integrally interposed in the male and female connection portions at the upper and lower ends of the panel A.

As shown in FIG. 1, the refractory heat insulating material E fills a groove formed by the end portions of the left and right panels D and the rising portion 7 of the joiner C, and is made of metal. By separating the stationary body B and the joiner C and preventing thermal bridges, the fire resistance, heat resistance, and heat insulation of the vertical joints are mainly improved to improve the fire resistance and prevent the occurrence of dew condensation. Things. In this way, even in the event of a fire, the heat and smoke of the flame generated inside or outside the building are prevented from being transmitted to the outdoor or indoor side, and a vertical joint structure that passes the fire resistance 1 hour test is adopted. Is what you can do.

The material of the refractory heat insulating material E includes rock wool felt, ceramic wool, glass wool, asbestos,
Any material having a fixed or irregular shaped fire resistance such as gypsum board, water glass bond, ALC, calcium silicate, calcium carbonate, various inorganic foams, ultra-high density phenol foam, inorganic refractory caulking agent and the like may be used.

The back-up material F fills the gap between the front surface of the panel D and the back surface of the decorative surface 1 of the decorative cover A and the fixing groove 2 of the decorative cover A. It functions as a filler for preventing the occurrence of odor. As the material, there are generally commercially available materials such as foamed polyethylene, chloroprene rubber, EPT rubber, synthetic rubber bead, and bond breaker.

The sealing material G is filled on the above-mentioned backup material F and functions as a waterproofing material for completing a complete surface waterproof structure. Generally, a two-component silicone or inorganic refractory caulking or the like is used. It is commercially available, and is based on silicone (reaction curing type, moisture curing type), modified silicone type (reaction curing type), polysulfide type (reaction curing type), polyurethane type (reaction curing type,
(Moisture curing type), SBR type (dry curing type), acrylic type (dry curing type) and the like. . Of course, a primer (not shown) is applied to the bonding surface of the sealing material H to improve the bonding strength.

Next, the vertical joint structure according to the present invention will be briefly described through working examples. First, as shown in FIG. 1, an H-shaped steel material, a square steel material,
Molded steel, L-shaped steel, etc.
The installation surfaces 6 on both sides of the joiner C are fixed by a fixing tool β such as a screw so as to be parallel. In addition, the wall base α corresponds to the installation length of the panel D in advance,
It is provided so as to be allocated to a position where a vertical joint is formed.

Next, on the mounting surface 6 of the joiner C, the upright portions 7 are used as guides, and the panels D are sequentially stretched laterally from the base to the eaves on both sides and fixed. And Joiner C
The refractory heat insulating material E is filled in the concave groove surrounded by the rising portion 7 and the end of the panel D.

Further, the holding surface 4 of the locking body B and the surface material 9 of the panel D are fixed on the filled refractory heat insulating material E using a fixing tool β such as a blind rivet, so that the locking body B is fixed. It is mounted and fixed on the surface material 9 of the panel D.

Thereafter, the fixing groove 2 of the decorative cover A is brought into contact with the locking member B, and is fixed with a fixing tool β such as a blind rivet, and the decorative cover A is mounted and fixed on the locking member B.

Finally, filling a gap between the surface of the panel D and the abutment surface 3 of the decorative cover A and the fixing groove 2 of the decorative cover A with a backup material F made of polyethylene foam and a silicone-based sealing material G. Thereby, a vertical joint structure of the complete surface water stoppage is formed.

By forming the vertical joints in this way, the vertical joints are covered with the locking member B and the decorative cover A, so that the waterproofness, airtightness, and design are improved. At the same time, the front and back sides of the vertical joints are completely separated by the refractory heat insulating material E interposed between the locking body B and the joiner C, thereby preventing a thermal bridge and mainly providing fire resistance and heat insulation of the vertical joints. It improves the performance and prevents the occurrence of dew condensation. In this way, even in the event of a fire, the heat of the flame generated inside or outside the building is prevented from being transmitted to the outside or the inside, and JIS-A-1304 (fire resistance test method for building structural parts) is used. Can be made into a vertical joint structure that passes the fire resistance 1 hour test.

[0031]

Other Embodiments The embodiment described above is an embodiment of the vertical joint structure according to the present invention, and can be formed as shown in FIGS. That is, FIG. 6 shows that the inorganic sheet H is formed on the joiner C to prevent the formation of a gap between the joiner C and the panel D, thereby preventing the invasion of the flame, and the conduction of heat due to a fire or the like to the joiner C. This is to prevent it. Examples of the material include rock wool felt, ceramic wool, glass wool, asbestos, gypsum board, water glass bond, various inorganic foams, ultra-high density phenol foam, and inorganic refractory caulking agents.

FIG. 7 shows that the inorganic sheet H is formed between the panel D and the locking member B to further improve the fire resistance.

[0033]

As described above, according to the vertical joint structure according to the present invention, the fixture does not appear at all in the external appearance of the wall, and the wall has a completely waterproof structure. Since fireproof insulation is interposed between the locking body and the joiner, the thermal insulation and airtightness of the joints are improved, and the front and back sides of the vertical joints are completely separated to prevent thermal bridges and condensation. Moreover, the vertical joints, which are the weakest points against heat, are strengthened, and JIS-A-1
A vertical joint structure that passes the fire resistance 1 hour test of 304 (fire resistance test method for building structural parts). Even if the core material is an organic substance such as a synthetic resin foam (phenol foam or the like), a vertical joint structure that passes the above-mentioned fire resistance 1 hour test is obtained.
Since there are two members, a decorative cover and a locking body, on the surface side of the vertical joint, a vertical joint structure having excellent waterproofness, airtightness, and strength is obtained. There is no pecking, distortion, bending, etc. in the decorative cover that is the surface decorative material due to the impact and vibration of the mounting of the fixture, and the construction does not require skill. Since the contact surface is formed at the end of the decorative cover, it is easy to plant the backup material and the sealing material, and the workability is improved. There are features and effects such as.

[Brief description of the drawings]

FIG. 1 is a sectional view showing a typical example of a vertical joint structure according to the present invention.

FIG. 2 is a partially cutaway perspective view showing an example of a decorative cover used in the above structure.

FIG. 3 is a partially cutaway perspective view showing an example of a locking body used in the above structure.

FIG. 4 is a partially cutaway perspective view showing an example of a joiner used in the above structure.

FIG. 5 is a partially cutaway perspective view and a sectional view showing an example of a building panel used in the above structure.

FIG. 6 is a sectional view showing another embodiment of the vertical joint structure according to the present invention.

FIG. 7 is a sectional view showing another embodiment of the vertical joint structure according to the present invention.

FIG. 8 is an explanatory diagram showing a conventional example.

[Explanation of symbols]

 A Makeup cover B Lock body C Joiner D Building panel E Fireproof insulation material F Backup material G Sealing material H Inorganic sheet α Wall base β Fixture 1 Makeup surface 2 Fixing groove 3 Contact surface 3a Tongue piece 4 Holding surface 5 Tongue Piece 6 installation surface 7 rising part 8 tongue piece 9 surface material 9a box folded piece 10 back material 11 core material

Claims (1)

(57) [Claims] 1. A vertical joint structure formed when a wall is formed by an architectural panel in which a core material is sandwiched between a front surface material and a back surface material, a substantially decorative surface having a substantially horizontal cross section and a substantially central portion of the decorative surface. A decorative cover formed downwardly and in the shape of an inverted hat from a fixing groove protruding in a substantially concave shape, and having a long end formed from an abutting surface bent in an approximately L-shape inward. ,
An elongated body formed in a hat shape from a locking body composed of a long flat plate, a mounting surface having a substantially horizontal cross-section, a substantially central portion of the mounting surface being upward, and a rising portion protruding in a substantially convex shape. A joiner made of a body is provided, and ends of left and right architectural panels are laid on the installation surface of the joiner, and a substantially center of the locking body and a rising portion of the joiner face each other via a fireproof heat insulating material. The left and right ends of the locking body are fixed to the surface material of the building panel, and the fixing groove of the decorative cover abuts and is fixed substantially at the center of the locking body to form a vertical joint. And vertical joint structure.