JPH06346567A - Vertical joint structure - Google Patents

Abstract

PURPOSE:To improve waterproof property as complete surface dead water structure and improve fireproof and heat insulating properties by constituting vertical joint structure which is formed when panels for architecture which are useful for constituting internal and external walls of architecture and building are connected. CONSTITUTION:Ends of panels D for architecture on the right and left are provided on an installation face 6 of a joiner C, and ends on the right and left of a locking body B are fixed on a surface material 9 of the panel D for architecture in such a way that the center of the locking body B faces a rise section 7 of the joiner C via a fireproof heat insulating material E. A fixed groove 2 of a decorative cover A is in contact with the center of the locking body B which forms a contact face 3 at an end and fixed to constitute a vertical joint.

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. More specifically, the present invention relates to a vertical joint structure that has improved waterproofness as a complete surface waterproof structure, and has excellent fire resistance and heat insulation.

[0002]

2. Description of the Related Art Conventionally, as a structure for accommodating vertical joints of this kind, as shown in FIG. 8, a fixing tool β is used on a wall base α made of a steel frame base, etc. 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 fixture 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 fixture β with a backup material d and a sealing material e has been generally performed.

[0003]

However, in the conventional structure as described above, only the iron plate, the backup material d, and the sealing material e are provided in the vertical joints, and the joints are significantly inferior in heat insulation and airtightness. The heat bridge between the decorative cover a and the joiner b causes a problem, and dew condensation occurs, and the structure is weak against heat of a flame such as a fire. Therefore, in such joint structure which is the weakest point in the wall structure, JIS-
Fire resistance 1 of A-1304 (fire resistance test method for building structures)
It was a vertical joint structure that could not pass the structural certification test of time. Further, when the decorative cover a and the joiner b are connected, the decorative cover a, which is a surface decorative material, may be pegged, distorted, bent, or the like due to the impact and vibration of the fixing device β being placed. Was required.

[0004]

[Means for Solving the Problem] Ends of left and right panels are laid on the installation surface of the joiner, and substantially the center of the locking body is such that the rising parts of the joiner face each other through a fireproof heat insulating material. The left and right ends of the stopper are fixed to the surface material of the panel, and the fixing groove of the decorative cover abuts and is fixed to the approximate center of the locking body to form a vertical joint. It is covered with two members, a locking body and a decorative cover, to improve waterproofness, airtightness, and design. In addition, a fireproof heat insulating material interposed between the locking body and the joiner, and an inorganic sheet provide vertical joints. By completely separating the front side and the back side of the and preventing the thermal bridge, the fire resistance and heat insulation of the vertical joints are mainly improved, and the occurrence of dew condensation is prevented. In the case of a fire in the building,
Alternatively, a vertical joint structure having the performance of passing the heat of the flame generated from the outside to the outdoor side or the indoor side and passing the fireproof 1 hour test of JIS-A-1304 (fireproof test method of building structure part) is used. It is a proposal.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A typical example of the vertical joint structure according to the present invention will be described in detail below with reference to the drawings. FIG. 1 is a cross-sectional view showing the above structure, which 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 fixture β. It is a structure.

The makeup cover A is, for example, as shown in FIG.
Extrusion molding of various plastic resins, aluminum alloys, etc., as well as 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 particularly, for forming a joint structure of a fireproof structure, a steel sheet having a thickness of 0.27 mm or more is processed and formed.

The cross-sectional shape of the decorative surface 1 is substantially horizontal.
From the fixing groove 2 which projects the substantially central part of the decorative surface 1 downward and in a substantially concave shape, and the contact surface 3 in which both ends of the decorative surface 1 are bent inward in a substantially L shape, an inverted hat shape is formed. It is composed of a long body formed in. In the figure, both ends are folded back inward to form a tongue piece 3a in order to prevent danger.

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

The locking body B is, for example, as shown in FIG.
1, Fe, Cu, stainless steel, aluminum / zinc alloy plated steel sheet, color steel sheet, enamel steel sheet, fluororesin coated steel sheet, clad steel sheet, sandwich steel sheet, etc. are formed into a long body by roll forming, press forming, extrusion forming, etc. In particular, in order to form a joint structure of a fireproof structure, a steel plate having a thickness of 0.27 mm or more is processed and formed.

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

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

Joiner C is, for example, as shown in FIG.
Al, 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. are formed into a long body by roll forming, press forming, extrusion forming, etc. In particular, in order to form a joint structure of a fireproof structure, a steel plate having a thickness of 0.27 mm or more is processed and formed. In addition, the cross-sectional shape is formed in a hat shape from a horizontal installation surface 6 and a rising portion 7 that protrudes upward in a substantially central portion of the installation surface 6 and in a substantially convex shape.

The joiner C functions as a base material for the vertical joints, and as shown in FIG.
Are continuously installed in the vertical direction, and the installation surfaces 6 on both sides are fixed to the wall base 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 also functions as a base plate, a waterproof plate, and an airtight plate for the vertical joints.

The rising portion 7 functions as a guide when laying the panel D on the installation surface 6, and is also a portion facing the above-mentioned locking body B through the fireproof heat insulating material E above.

Further, in the figure, in order to prevent danger, a tongue piece 8 in which both end edges of the installation surface 6 are folded back to the front side is formed. Further, the tongue piece 8 functions as a rain breeze and quickly discharges it toward the base even if rainwater or the like flows in from the surface of the panel D, and the penetration of rainwater causes corrosion of the panel D and the wall base α. To prevent the formation of dew, mite and mold.

The panel D is shown in FIGS. 5 (a) and 5 (b), for example.
As shown in (a sectional view taken along the line aa in FIG. 7A), the surface material 9
And a backing material 10 and a core material 11 sandwiched and integrated to form a sandwich-like wall material or the like, which is a panel D having a long horizontal stretch shape, a long vertical stretch shape, or a box shape.

The surface material 9 is made of aluminum, iron, aluminum, copper, stainless steel, titanium, aluminum / zinc alloy plated steel sheet, enamel steel sheet, clad steel sheet, laminated steel sheet (PVC steel sheet, etc.), sandwich steel sheet (damping steel sheet, etc.), etc. Of course, one kind of these (including color metal plates coated with various colors) is formed into various shapes by roll forming, press forming, extrusion forming, or the like. Further, the surface material 9 functions as a fixed portion of the locking body B in the vertical joint portion.

The backing material 10 is the same metal material as the 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,
One type of glass fiber non-woven fabric, or a laminate of two or more types, or a sheet subjected to waterproof treatment, flame retardant treatment, or the like.

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

Reference numeral 12 is an inorganic material, for example, calcium silicate board, calcium carbonate board, gypsum board, perlite cement board, rock wool board, slate board, ALC board, P
One or more kinds of C plate, other inorganic lightweight body, inorganic lightweight foam, or composite plate thereof are integrally interposed in the male and female connecting portions at the upper and lower ends of panel A.

As shown in FIG. 1, the fireproof heat insulating material E is to fill the grooves formed by the end portions of the left and right panels D and the rising portions 7 of the joiners C, and is made of metal. By separating the stopper B and the joiner C and preventing the heat bridge, mainly for improving the fire resistance, heat resistance and heat insulation of the vertical joints, improving the fire resistance and preventing the occurrence of dew condensation. It is a thing. In this way, even in the unlikely event of a fire, the heat and smoke of the flame generated from the inside or outside of the building will be blocked from being transmitted to the outside or inside, and the vertical joint structure will pass the fireproof 1 hour test. Is something that can be done.

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

The backup material F is to fill the space between the front surface of the panel D and the rear 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 that prevents Examples of the material thereof include foamed polyethylene, chloroprene rubber, EPT rubber, synthetic rubber beads, bond breakers and the like which are generally commercially available.

The sealing material G functions as a waterproof material which is filled on the above-mentioned backup material F to complete a complete surface water-stop structure, and is generally used for two-component silicone-based or inorganic fire-resistant caulking. These are commercially available, and include silicone type (reaction curing type, moisture curing type), modified silicone type (reaction curing type), polysulfide type (reaction curing type), polyurethane type (reaction curing type,
It is made of moisture-curable type, SBR type (dry-curable type), acrylic type (dry-curable type), or the like. . Of course, a primer (not shown) is applied to the adhesive surface of the sealing material H to improve the adhesive strength.

Next, the vertical joint structure according to the present invention will be briefly described through construction examples. First, as shown in FIG. 1, an H-shaped steel material, a square-shaped steel material, and a C-shaped steel material provided in the vertical direction.
For the wall base α, which is made of steel frame base such as shaped steel and L-shaped steel,
The installation surfaces 6 on both sides of the joiner C are fixed with a fixing tool β such as a screw screw so as to be parallel. The wall base α corresponds to the mounting length of the panel D in advance,
It is provided so as to be arranged at a position where a vertical joint is formed.

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

Further, by fixing the holding surface 4 of the locking body B and the surface material 9 of the panel D on the filled fireproof heat insulating material E by using a fixing tool β such as a blind rivet, the locking body B is fixed. It is attached and fixed to the surface material 9 of the panel D.

After that, the fixing groove 2 of the decorative cover A is brought into contact with the locking body B and fixed with a fixing tool β such as a blind rivet, and the decorative cover A is mounted and fixed to the locking body B.

Finally, the space between the surface of the panel D and the contact surface 3 of the decorative cover A, and the fixing groove 2 of the decorative cover A are filled with the backup material F made of polyethylene foam and the silicone sealing material G. By this, a vertical joint structure with a complete surface water stop is formed.

By forming the vertical joints in this manner, the vertical joints are covered with the two members of the locking body B and the decorative cover A, so that waterproofness, airtightness, and designability are improved. In addition, the front side and the back side of the vertical joint are completely separated by the fireproof heat insulating material E interposed between the locking body B and the joiner C to prevent the thermal bridge, and mainly the fire resistance and heat insulation of the vertical joint are provided. It improves the property and prevents the occurrence of dew condensation. In this way, even in the unlikely event of a fire, the heat of the flame generated from inside or outside the building is blocked from being transmitted to the outdoor side or the indoor side, and JIS-A-1304 (fire resistance test method for building structures) The vertical joint structure can pass the fireproof 1 hour test.

[0031]

[Other Embodiments] The above is one embodiment of the vertical joint structure according to the present invention, which 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 voids between the joiner C and the panel D to prevent the entry of flames and to prevent the heat from a fire or the like from being conducted to the joiner C. It is for prevention. Examples of the material thereof include rock wool felt, ceramic wool, glass wool, asbestos, gypsum board, water glass bond, various inorganic foams, ultra-high density phenol foam, and inorganic fire-resistant caulking agent.

Further, in FIG. 7, an inorganic sheet H is formed between the panel D and the locking body B to further improve the fire resistance.

[0033]

As described above, according to the vertical joint structure of the present invention, the fixture does not appear at all on the external appearance of the wall body, and the surface is still waterproof. Since a fireproof heat insulating material is interposed between the locking body and the joiner, the heat 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
It becomes a vertical joint structure that passes the fireproof 1 hour test of 304 (fireproof test method of building structure part). Even if the core material is an organic material such as a synthetic resin foam (phenolic foam or the like), a vertical joint structure that passes the fireproof 1 hour test is obtained.
Since the two members of the decorative cover and the locking body are present on the surface side of the vertical joint, the vertical joint structure has excellent waterproofness, airtightness, and strength. Due to the impact and vibration of the mounting of the fixture, the decorative cover, which is the surface decorative material, does not have pecks, distortions, bends, etc., and no skill is required for construction. Since the contact surface is formed at the end of the decorative cover, the backup material and the sealing material can be easily planted, and the workability is improved. There are characteristics and effects.

[Brief description of drawings]

FIG. 1 is a cross-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 cross-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 Decorative cover B Locking body C Joiner D Architectural panel E Fireproof heat insulating material F Backup material G Sealing material H Inorganic sheet α Wall base β Fixing tool 1 Decorative surface 2 Fixing groove 3 Abutting surface 3a Tongue piece 4 Holding surface 5 Tongue Piece 6 Installation surface 7 Standing part 8 Tongue piece 9 Surface material 9a Box folding piece 10 Back surface material 11 Core material

Claims (1)

[Claims] 1. A vertical joint structure formed when a wall is formed by a building panel in which a core material is sandwiched between a front surface material and a back surface material, and a decorative surface having a substantially horizontal section and a substantially central portion of the decorative surface. A decorative cover which is formed in a reverse hat shape from a fixing groove protruding downward and in a substantially concave shape and which is formed in a long shape from an abutting surface whose end portion is bent inward in a substantially L shape. ,
A long body formed in a hat shape from a locking body made of a long flat plate, a mounting surface having a substantially horizontal section, and a rising portion projecting in a substantially convex shape at a substantially central portion of the mounting surface upwards. A joiner composed of a body is provided, and the end portions of the left and right building panels are laid on the installation surface of the joiner, and the substantially center of the locking body and the rising portion of the joiner face each other through 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 at approximately the center of the locking body to form a vertical joint. Vertical joint structure.