JPH06193225A - Longitudinal joint structure - Google Patents

Abstract

PURPOSE:To provide the longitudinal joint structure which can improve the waterproofness in the perfect surface water sealing structure, and possesses the excellent fireproofness and heat insulation performance. CONSTITUTION:A longitudinal joint structure is equipped with a decorative cover A consisting of a long body formed into an inverted hat shape, engagement body B consisting of a long flat plate, and a jointer C consisting of a long body having an almost hat shaped sectional surface. An inorganic sheet D is laid on the starting-up part 8 of the joiner C and an installation surface 7, and the edge parts of the left and right architectural panels E are installed on the inorganic sheet D on the installation surface 7. The left and right edges of the engagement body B are fixed on the surface member 11 of the architectural panel E by setting the near center of the engagement body B and the erection part 8 of the joiner C so as to be opposed each other through a fireproof heat insulating member F. The fixed groove 2 of the decorative cover A is fixed through contact at the near center of the engagement body B.

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 this kind of vertical joint, as shown in FIG. 7, a fixing tool β is used on a wall base α made of a steel frame base or the like, and is made of a thin iron plate and has a long hat-shaped cross section. 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]

Therefore, in the present invention, an inverted hat is formed from a decorative surface having a substantially horizontal cross section of the decorative cover and a fixing groove protruding downward in a substantially central portion of the decorative surface and in a substantially concave shape. -Shaped elongated body, the locking body is a substantially planar elongated body, and the joiner has a substantially cross-section that is horizontally projected, and approximately the center of the installation surface is projected upward and in a substantially convex shape. From the rising portion, which is provided with a member formed in a hat shape in a long body,

An inorganic sheet is laid on the rising part of the joiner and the installation surface, and the ends of the left and right panels are laid on the inorganic sheet on the installation surface. The left and right ends of the locking body are fixed to the surface material of the panel so as to face each other through the fireproof heat insulating material, and the fixing groove of the decorative cover abuts and is fixed at approximately the center of the locking body to form the vertical joint. Because of the structured structure, the vertical joints are covered with two members, the locking body and the decorative cover, to improve waterproofness, airtightness, and design, and fire resistance interposed between the locking body and the joiner. The front side and the back side of the vertical joints are completely separated by the heat insulating material and the inorganic sheet, and by preventing the thermal bridge, mainly the fire resistance and heat insulating property of the vertical joints are improved, and the occurrence of dew condensation is prevented. This is to prevent Even in the event of a fire, the heat of the flame generated from the inside or outside of the building is blocked from being transmitted to the outside or the inside of the building, and a 1-hour fire resistance test of JIS-A-1304 (fire resistance test method for building structures) is performed. It proposes a vertical joint structure having a performance that passes.

[0006]

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 partially cutaway perspective view showing the above structure, and FIG. 2 is a sectional view taken along the line EE in FIG. 1. The decorative cover A, the locking body B, the joiner C, the inorganic sheet D, the panel E, and the fireproof heat insulation. The structure is composed of a material F, a backup material G, a sealing material H, a wall base α, and a fixture β.

The decorative 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 plate, color steel plate, enamel steel plate, fluororesin coated steel plate, clad steel plate, sandwich steel plate, 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 is an elongated body formed in an inverted hat shape from a horizontal decorative surface 1 and a fixing groove 2 which projects a substantially central portion of the decorative surface 1 downward and in a substantially concave shape. It is a thing. In the drawing, both ends of the decorative surface 1 are folded back to form a tongue piece 3 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 waterproof material for vertical joints. Further, the decorative surface 1 also functions as a bonding portion of the sealing material H when the gap between the back surface thereof and the surface material 11 of the panel E described later is filled with the backup material G and the sealing material H. The fixed groove 2 is shown in FIG.
As shown in FIG. 2, it is a portion that is inserted into the insertion groove 5 of the locking body B and fixed using a fixing tool β such as a blind rivet.

The locking member 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 an elongated body formed in an inverted hat shape from a horizontal holding surface 4 and an insertion groove 5 which is formed by projecting a substantially central portion of the holding surface 4 downward and in a substantially concave shape. Is. In the figure, a tongue piece 6 is formed by folding both ends of the holding surface 4 upward to prevent danger.

As shown in FIGS. 1 and 2, the holding surface 4 is a portion which is brought into contact with a surface material 11 of a panel D, which will be described later, and which is fixed via a fixing tool β such as a blind rivet. It covers and functions as a waterproof material and an airtight material.

The insertion groove 5 is a portion which is inserted into the vertical joint portion and covers the vertical joint portion, and also the fixing groove 2 of the decorative cover A.
Is also a portion where the locking body B is fitted in the vertical joint portion and serves as a guide when the fixing groove 2 of the decorative cover A is inserted, and is also a portion which facilitates the construction.

The 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. Moreover, the cross-sectional shape is formed in a hat shape from a horizontal installation surface 7 and a rising portion 8 that protrudes upward in a substantially central portion of the installation surface 7 and in a substantially convex shape.

The joiner C functions as a base material for vertical joints. As shown in FIGS. 1 and 2, the joiner C is installed continuously on the columnar wall base α in the vertical direction, and the installation surfaces 7 on both sides are installed. It is fixed to the wall base α using a fixing tool β such as a blind rivet. The installation surface 7 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 8 functions as a guide when the panel E is laid on the installation surface 7, and is also a portion above the insertion groove 5 of the locking body B through the fireproof heat insulating material F. .

Further, in the figure, to prevent danger, a tongue piece 9 is formed by folding back both edges of the installation surface 7 to the front side, and in the middle of the installation surface 7, a mountain-like protrusion is formed along the longitudinal direction. One or more ridges 10 thus formed are formed. Even if rainwater or the like flows in from the surface of the panel E, the ridges 10 function as raindrops and quickly discharge it toward the base. The purpose of this is to prevent corrosion and to prevent the formation of dew condensation, mites and molds.

The inorganic sheet D is formed on the joiner C,
The purpose of this is to prevent the formation of voids between the joiner C and the panel E to prevent the entry of flames and to prevent the heat due to a fire or the like from being conducted to the joiner C. 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.

The panel E includes, for example, a front surface material 11 and a back surface material 12.
It is a wall material or the like having a sandwich structure in which the core material 13 is sandwiched and integrated, and is a panel E having a long horizontal stretch shape, a long vertical stretch shape, and a box shape.

The surface material 11 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. In addition, the surface material 11
In the vertical joint, it functions as a fixed portion of the locking body B.

The back material 12 is a metal material similar to the front material 11,
Alternatively, asbestos paper, kraft paper, asphalt felt, metal foil (Al, Fe, Pb, Cu), synthetic resin sheet, rubber sheet, cloth sheet, gypsum paper, aluminum hydroxide paper, glass fiber non-woven fabric, etc., or 2 It is made of a laminate of two or more kinds, or is made of a sheet that has been subjected to waterproof treatment and flame retardant treatment.

The core material 13 is a resole-type phenol foam, polyisocyanurate foam, polyurethane foam, vinyl chloride foam, polyethylene foam, polystyrene foam, urea foam, or a refractory material such as inorganic lightweight aggregate or inorganic fiber. It is composed of mixed materials.

Especially when a fireproof joint structure is used, the panel E is used.
As the front surface material 11 and the back surface material 12 are made of a metal material, and the core material 13 is made of phenol foam to which a flame retardant or the like is added to form a high density of 100 to 250 kg / m ³ or so. It uses a panel.

As shown in FIGS. 1 and 2, the fireproof heat insulating material F is used to fill the groove formed by the end portions of the left and right panels E and the rising portion 8 of the joiner C, and is made of metal. By separating the locking body B and the joiner C that are present and preventing the heat bridge, mainly the fire resistance, heat resistance and heat insulation of the vertical joints are improved, and the fire resistance is improved and the occurrence of dew condensation is prevented. It is for doing. 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 F 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, various inorganic foams, ultra-high density phenol foam, and inorganic fire-resistant caulking agent may be used.

The backup material G is to fill the space between the front surface of the panel E 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 include foamed polyethylene, chloroprene rubber, EPT rubber, synthetic rubber beads, bond breakers and the like which are generally commercially available.

The sealing material H functions as a waterproof material which is filled on the above-mentioned backup material G to complete a complete surface waterproof 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 and FIG. 2, it is arranged to be parallel to the wall foundation α made of steel frame foundation such as H-shaped steel material, square steel material, C-shaped steel material, L-shaped steel material, etc. provided in the vertical direction. Then, the installation surfaces 7 on both sides of the joiner C (which may be a separate body) integrally formed with the inorganic sheet D made of rock wool felt are fixed by a fixing tool β such as a screw screw. In addition, the wall base α is provided in advance in a position corresponding to the mounting length of the panel E so as to form a vertical joint.

Next, using the rising portions 8 as guides on the installation surface 7 of the joiner C, the panels E are laterally stretched from the base direction to the eaves direction and fixed on both sides in order. And Joiner C
The refractory heat insulating material F is filled in the concave groove surrounded by the rising portion 8 and the end portion of the panel C.

Further, the insertion groove 5 of the locking body B is brought into contact with the filled fireproof heat insulating material F, and the holding surface 4 and the panel E are also brought into contact with each other.
The locking member B is fixed to the surface material 11 of the panel E by fixing the surface material 11 of the panel E using a fixing tool β such as a blind rivet.
Attach and fix to.

After that, the fixing groove 2 of the decorative cover A is fitted into the insertion groove 5 of 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, a backup material G made of polyethylene foam is provided in the gap between the surface of the panel E and the back surface of the decorative surface 1 of the decorative cover A, and the fixing groove 2 of the decorative cover A.
By filling the silicone sealing material H,
It forms a vertical joint structure of complete surface water stop.

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 inorganic sheet D and the fireproof heat insulating material E interposed between the locking body B and the joiner C completely separate the front surface side and the back surface side of the vertical joint portion to prevent a thermal bridge, and mainly to prevent the vertical joint portion. It improves the fire resistance and heat insulation properties of and prevents the occurrence of dew condensation. As a result, even in the unlikely event of a fire, the heat of the flame generated from the inside or outside of the building is blocked from being transmitted to the outdoor side or the indoor side, and JIS-A-1304
The vertical joint structure can pass the fireproof 1 hour test of (Fireproof test method of building structure part).

Here, the dimensional relationship of each part will be briefly described. In FIG. 2, the width of the vertical joint portion is W, and the fireproof heat insulating material F
The width of W ₁ , the height of the refractory insulation F is h ₁ , the joiner C
The height from the rising portion 8 to the installation surface 7 on which the panel E is laid is h ₂ , the thickness of the panel E is h ₃ , and the width of the decorative surface 1 of the decorative cover A is W ₂ in FIG. The width of the groove 2 is W ₃ , the depth is h ₄ , and in FIG. 4, the width of the holding surface 4 of the locking body B is W ₄ , the width of the insertion groove 5 is W ₅ , the depth is h ₅ ,
In FIG. 5, the width of the rising portion 8 of the joiner C is set to W ₆
Then,

If W≈W ₁ or the refractory heat insulating material F has elasticity, it is slightly W <W ₁ , W> W ₃ , W> W ₅ , W> W
₆ , W ₂ > W ₄ , h ₁ + h ₂ + h ₅ ≈h ₃ or h ₁ + h ₂ + h ₅ > if the refractory insulation F has elasticity
There is a relationship of h ₃ , h ₄ > h ₅ .

[0036]

[Other Embodiments] The embodiment described above is one embodiment of the vertical joint structure according to the present invention. As shown in FIG. 6, the inorganic sheet D is formed between the panel E and the locking body B, and the fire resistance is further improved. It is possible to improve the property.

[0037]

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 placing the fixture, the decorative cover, which is the surface decorative material, does not have pecks, distortion, bending, etc., and therefore no skill is required for construction. There are characteristics and effects.

[Brief description of drawings]

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

FIG. 2 is a sectional view taken along the line EE in FIG.

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

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

FIG. 5 is a partially cutaway perspective view showing an example of a joiner used in the above structure.

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

FIG. 7 is an explanatory diagram showing a conventional example.

[Explanation of symbols]

 A Decorative cover B Locking body C Joiner D Inorganic sheet E Architectural panel F Fireproof heat insulating material G Backup material H Sealing material α Wall substrate β Fixing tool 1 Decorative surface 2 Fixing groove 3 Tongue piece 4 Holding surface 5 Insertion groove 6 Tongue piece 7 Installation surface 8 Rising part 9 Tongue piece 10 Projection 11 Surface material 12 Back material 13 Core material

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Akihiro Suzuki 1816 Kaminawame, Kanizawa, Higashine, Yamagata Prefecture

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 made of a long body formed in an inverted hat shape from a fixing groove protruding downwardly and in a substantially concave shape, a locking body made of a long flat plate, and a horizontal installation surface having a substantially cross section. An installation sheet is provided with a joiner consisting of a long body formed in a hat shape from a rising portion projecting in a substantially convex shape upward from the central portion of the installation surface, and an inorganic sheet on the rising portion of the joiner and the installation surface. Laying, the ends of the left and right building panels are laid on the inorganic sheet on the installation surface, locking so that the approximate center of the locking body and the rising part of the joiner face each other through the fireproof heat insulating material. The left and right ends of the body are fixed to the surface material of the building panel. In addition, the vertical joint structure is characterized in that the fixing groove of the decorative cover abuts and is fixed to substantially the center of the locking body to form a vertical joint.