JPH0347361A - Fire resisting joint construction of wall - Google Patents

Abstract

PURPOSE:To make it possible to greatly increase fire resistance by covering the rear of a joint section of a panel with a fixture and back batten, and planting and providing joint filler in a state of continuity to the joint section to fit and load a joint cover together as a unit. CONSTITUTION:A panel A is constituted of a sandwich construction consisting of a metal surface member 1, rear member 8 and a heartwood 7 between a fixture and back batten B. After that, a bearing and insertion piece 14 of the fixture and back batten B is inserted into an interlocking slot 11 of a panel A1 to fix, and a fixed piece 13 is inserted into a notch 10 to fix. Then, the bearing and insertion piece 14 is inserted into the interlocking slot 11 of a panel A2, and the panel A1 and A2 are butted each other to fix. In addition, joint filler C is planted and provided to a joint section F of the panel A in a state of continuity, and a joint cover fixture D is fixed. An interlocking section 24 of a joint cover E is fitted and loaded to a stopping section 20 of the cover fixture D. According to the constitution, heat insulating efficiency and waterproofing efficiency can be promoted.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a wall fireproof joint structure used for the outer walls, partitions, and roofs of buildings and structures.

[Conventional technology]

Conventionally, the joints of this type of panel were
As described in the publication, the structure was such that the male and female connecting portions were actually connected, and a bolt was passed through the surface of the connecting portion and fixed to the base via a nut.

Also, in an attempt to solve this problem,
A structure as shown in Japanese Unexamined Patent Publication No. 10 has been disclosed, and a structure in which a cover plate is interposed on the back surface of the panel has been devised to improve fire resistance, as shown in Japanese Utility Model Application Publication No. 44906/1983.

[Problems to be Solved by the Invention] However, in (2), the head of the fixture is exposed to the outside, which has disadvantages in terms of waterproofness, corrosion resistance, fire resistance, and design of the outside. In addition, although the head of the fixture was not exposed to the outside in case (2), there was a problem with fire resistance. Furthermore,■
Although the formation of the cover plate improved fire resistance, the front and back materials were integrally formed (contacted), resulting in thermal bridges that resulted in poor insulation, fire resistance, and dew condensation resistance.

[Means to solve the problem]

In order to eliminate such drawbacks, the present invention has provided a support/insertion piece for a mounting fixture/slat plate with a roughly cross-sectional shape on the exposed core material in the width direction of the panel so as not to come into contact with the surface material of the panel. The back side of the joint area is covered with a fitting and siding plate, the area near the panel joint area is fixed to the frame using fixtures, the joint material is continuously planted in this joint area, and To provide a wall fireproof joint structure in which a large number of joint cover fixtures having locking parts at both ends are fixed to joint parts, and joint covers having retaining parts at both ends are integrally fitted to the joint cover fixtures. It is something to do.

〔Example〕

An embodiment of a wall refractory joint structure (hereinafter simply referred to as joint structure) according to the present invention will be described in detail below with reference to the drawings. That is, FIG. 1 is a partially cutaway cross-sectional view showing the above-mentioned joint structure, where A panel, B the fixture and batten board, and C.
is joint material, D is joint cover fixture, E is joint cover, F
is the joint part. To explain in more detail, Panel A has a hat-shaped cross section as shown in Figure 2, and is formed on a long metal surface material (hereinafter simply referred to as the surface material) and on the back surface of the surface material. The core material 7 is made of plastic foam and has a hat-shaped cross section, and the metal back material covers at least the back surface of the core material 7 in the longitudinal direction! (hereinafter simply referred to as backing material)
It is formed into a sand inch structure. To explain further, on the surface material, there is a metal material, for example A!
, Fe, Cu, stainless steel, aluminum/zinc alloy plated steel sheet, color steel sheet, clad steel sheet, vibration damping steel sheet (sand inch steel sheet), fluorine coated steel sheet, etc.
It is molded by extrusion molding, roll molding, etc. That is, on the surface material, there is a long decorative surface 2, a side wall 3 bent with both edges of the decorative surface 2 downward, perpendicular to the decorative surface 2, or inwardly or outwardly; A protruding piece 4 whose lower end is bent outward and extended, and a joint cover fixture guide part 5 whose tip is bent upwardly or downwardly (
(hereinafter simply referred to as a guide section) and a side piece 6 in which the end edge of the guide section 5 is bent vertically downward.

The guide portion 5, as shown in FIG. 1, serves as a guide when attaching a joint cover fixture as shown in FIG. 4, which has a stabilizing piece 17 in the center. In addition, when filling the raw material for the core material 7, the side piece 6 prevents the core material 7 from leaking to the guide part 5 and the surface side of the protrusion piece 4, and also makes the side edge of the panel straight. This is to bring the A's into contact with each other without any gaps. Furthermore, the guide portion 5 and the side piece 6 also function as reinforcement for the panel A itself.

In addition, the length on the surface material is about 4000 to 110000 ny, the width W+ (width of decorative surface 2) is about 400 to 900 ny, the overall width WI+ is about 450 to 1200 m+, and the width W from the edge of side wall 3 to side piece 6 , is 20 to 100 [1111th place, height H8 from decorative surface 2 to protruding piece 4 is 10 to 100 mm
It is the rank. The core material 7 mainly functions as a heat insulating material, a waterproof material, a sound absorbing material, a buffering material, or a fireproofing material. The materials include polyisocyanurate foam, polyurethane foam, phenol foam, polyurea foam, one of these with flame retardants and flame retardant additives added, or a laminate of one or more of these, or mineral fiber. , which has a laminated structure with one or more layers of inorganic molded bodies interposed therebetween. Note that the core material 7 is made by discharging a raw material onto the back surface of the surface material and integrating it with a mold structure, or by integrating the molded body with an adhesive. In addition, as shown in Figure 2, the surface material mainly covers the back side of the core material 7 and has the functions of reinforcing material, waterproof material, moisture proof material, and fireproofing material, and the core material 7 directly contacts the building frame α. It serves as an isolating material to prevent

In addition, the shape on the surface material is such that a side piece 9 is bent upward and inward at both edges in the width direction in an L-shape, and a notch 10 is formed by cutting out the vicinity of the side piece 9. . Also, on the surface material, if the total width is W4, then W t
= W 4. Furthermore, 11 is an engagement groove,
As shown in FIG. 1, insert the support/insertion piece 14 of the fixture/sill board B as shown in FIG. Part F mainly improves fire resistance and functions as a waterproof surface and a fixing surface.

Further, the engagement groove 11 is formed in the core material 7 between the top surface material and the back surface material 1, and the core material 7 is formed so that the core material 7 is reliably present between the top surface material and the engagement groove 11. This is to prevent the top of the surface material from coming into contact with the fixture/padding board B.

This is done by interposing the core material 7 between the surface materials and between the fittings/padding boards B to block thermal bridges between the surface materials and the surface materials.
This is to improve the heat insulation, fire resistance, and dew condensation resistance of the joint F. As shown in FIG.
3. It is a long plate material on which the support/insertion piece 14 is formed, and its material is a roll-formed metal plate of the same quality as the front and back surface materials 8-, or a metal material such as aluminum. It is formed by extrusion molding. To explain in more detail, the fixing piece 13 is a part used when fixing the fixture-cum-padding board B to the building frame α, and the joint part F
Waterproof surface, reinforced surface, fuselage α in case of fire on the back side of
This part functions as a surface to prevent flame from entering the side. In addition, the support/insertion piece 14 is inserted into the engagement groove 11 of the panel A, fixes the panel A to the frame α, and is formed perpendicularly to the joint F in the middle of the joint part F in the thickness direction. This has a great function of preventing rainwater, flames, etc. from reaching the building structure.

As shown in Fig. 1, the joint material C is planted continuously between the guide parts 5, and mainly improves waterproofness and airtightness in the joint part F, and secondarily improves durability, weather resistance, and fire resistance. , earthquake resistance, wind pressure resistance, etc., and its materials include hot melt, silicone, polyurethane, acrylic, SBR, etc., soft foam, rubber, EPDM, etc. A type of latex, etc., and an acrylic super absorbent resin that expands when it absorbs water and contracts when it dries, and releases crystal water under high heat.
It is made of one type of compound containing foaming and hardening borax, sodium metaborate, aluminum hydroxide, phosphate, etc. Furthermore, when a fire-resistant material is used as the joint material C, due to the synergistic effect with the fixture/padding board B, it will have the fire resistance to pass a fire resistance test. As shown in Fig. 4, the joint cover mounting tool is a short piece made by bending and forming a metal plate, and consists of a horizontal fixing section, a mounting hole 16, a stabilizing piece 17, and a number of locking parts. be. To explain in more detail, the fixing part 15 has a horizontal plane shape, and consists of a mounting hole 16 and a stabilizing piece 17 formed by projecting downward from both ends of the substantially central part in the longitudinal direction, or from the central part (not shown). . The locking portion 18 is formed of a rising piece 18 which is an upwardly bent end edge of the fixed portion, and a locking piece 19 whose tip end is formed at an acute angle with respect to the extension line of the fixed portion. In addition, the stabilizing piece 17 is provided at the joint F between the panels A, as shown in FIG.
When installing joint cover E as shown in Fig. 5,
It is inserted and positioned between the guide parts 5 of panel A, and it becomes easy to attach a plurality of joint cover attachment tools in a straight line, making construction very easy. Its material is a metal material, such as stainless steel. In addition, the locking piece 19 is for locking an engaging piece 23 of a joint cover E, which will be described later, and fixing the joint cover E to a joint part F between panels A. By forming the joint cover E into a shape, even if the joint cover E is detached from one of the joint cover fittings, it will be locked by the other joint cover fitting, so that the joint cover E can be fitted without peeling off. It becomes easy. Furthermore, the joint cover E is made of the metal or thin plate material mentioned above, and has a shape as shown in FIG. an engaging portion consisting of a decorative surface 22 and a retaining piece 23 bent inward with the tip of the side wall decorative surface 22 into a shape that can be engaged with the aforementioned locking piece 19. To explain in more detail,
As shown in Fig. 1, the decorative surface part ■ covers the fixing tool β used when fixing the panel A on the building frame α by fixing the joint cover E to the joint part F using the joint cover fixing tool. However, this is to prevent the fixture β from being exposed to the outside. In addition, the retaining piece 23 is locked to the locking piece 19 of the joint cover mounting tool, and by fitting the joint cover E to the joint cover mounting tool, the joint cover E is placed on the joint part F.
This is to securely fix it without coming off.

Here, to explain the dimensional relationship between the panel A and the fixture/padding board B using FIGS. 2 and 3, in the panel A, the depth of the engagement groove 11 is set to 1. +, 1! ++, the width of the notch 10 is ls, ls, the height of the side piece 9 is Hg, H
s, the opening height of the engagement groove 11 is H4, H! The length of the support/insertion piece 14 for the mounting fixture/padding board B is 15.
2 fields, the length of the fixed piece 13! ! ,7,I! , the height of the vertical piece 12 is H・, H7, and the thickness of the support/insertion piece 14 is H
s, Ha, i! , t”=ls, 1g
”=!self, 1.1 −lf, i, < ζis
, Hg'=H*, HsζHfu%H4ζH*
, Hs ζH book.

Next, a construction example will be explained.

Now, in order to construct an outer wall as shown in FIG. 1, a supporting/inserting piece 14 of a mounting fixture and slat plate B is attached to the engagement groove 11 of panel A+ as shown in FIG. 1 on a frame α made of C-shaped steel. are integrated by inserting the fixing piece 13 into the notch 10, and fixing the projecting piece 4 vertically using a fixing device β made of a screw. Next, the engagement groove 11 of the panel As is inserted into the support/insertion piece 14, the panels A1 and At are butted against each other, and the protruding piece 4 of the panel Ag is fixed by the fixture β. Repeat the above steps sequentially to convert panel A into frame α.
After fixing, joint material C made of acrylic caulking material is continuously planted in the joint F, and then multiple joint cover fixing tools as shown in Fig. 4 are attached using fixing tools β made of blind rivets. Fixed. When all the joint cover fittings have been installed, attach a long joint cover E as shown in Fig. 5 to each locking part of the joint cover fitting.
The construction is completed by fitting the engaging portion shells of , and covering the joint portions F between the panels A with a joint cover sheet.

[Other Examples] What has been described above is only one example of the joint structure according to the present invention, and FIGS.
It is possible to use a panel A and a mounting fixture and slat board B as shown in the figure. That is, FIGS. 6(a) to (7) are panels A in which the shape of the decorative surface 2 on the surface material of panel A has been modified, and in FIGS. 7(a) to (6), FIG. Panel A is formed with a face material 25 made of a sheet-like material, a synthetic resin plate, a metal plate, an inorganic plate, etc. to prevent the core material 7 from leaking from the gap between the top surface material and the back surface material 1. The figure (b) shows the core material 7. Panels A and (C) in which a mineral fiber such as rock wool or asbestos, a fibrous material such as glass fiber or aramid fiber, or a fiber sheet-like material 26 is interposed in the middle of the material 7, or on the front or back side (not shown). The figure shows panel A in which the core material 7 is made of two organic and inorganic layers, and the figure (d) shows a raised material 27 (synthetic resin foam, inorganic material, etc.) for forming the thickness between the top surface material and the back surface material 1. Panel A (e) shows a reinforcing material 28(
The figure shows an aggregate 29 such as pearlite grains or glass beads on the back side of the protruding piece 4 or not shown. Panel A, (g) in which the entire core material 7 is densely filled with
The figure shows a panel A with dovetail grooves 30 formed on the back surface so that it can be fixed to the frame α even in the center.

Furthermore, FIGS. 8(a) and 8(b) show that one longitudinal edge of panel A, or both edges (not shown) of FIG.
As shown in the cross-sectional view taken along the line E in Figure 8(a), the end wall 2a is formed by bending the surface material downward, and the caulking material at the joint between the ends of panel A is formed by bending the surface material downward. This is to improve workability, durability, weather resistance, and earthquake resistance. In addition, Fig. 6(a) to f7) to Fig. 8(a)
, (b) may be combined to form panel A. In addition, FIGS. 9(a) to (j) show other modified examples of the fixture-cum-padding board B, and in particular, FIG. (i) The figure shows a mounting fixture/padding board B with backing material, caulking material, etc. 31 formed thereon.
, (j) Figure shows mounting fixture/padding board B formed by extrusion.
It is.

〔Effect of the invention〕

As described above, according to the wall fireproof joint structure according to the present invention,
■The joint material greatly improves the waterproofness and airtightness of the joint area. ■The head of the fixture is not exposed at the joint. ■
Fire resistance (prevention of flame infiltration, etc.) is greatly improved by the use of engineered fixtures and battens. ■Since the deformation when the panel is fixed is covered by the joint cover, no skill is required for construction.

■Since the joint cover fixture is short, the joint cover can be easily attached and will not come off. Since the structure is such that the surface material and the back surface material do not come into contact even at joints (connections), the insulation, fire resistance (preventing flame from entering the structure), and dew condensation resistance are improved. ■Walls with improved heat insulation, soundproofing, resistance to external forces, earthquake resistance, aesthetics, etc. can be formed. It has the following characteristics and effects.

[Brief explanation of drawings]

Fig. 1 is a partially cutaway sectional view showing an example of a wall fireproof joint structure according to the present invention, Fig. 2 is an explanatory view showing an example of a panel, and Fig. 3 is an example of an implementation of a mounting fixture/padding board. An explanatory diagram showing an example,
Fig. 4 is an explanatory diagram showing one embodiment of the joint cover fixture, Fig. 5 is an explanatory diagram showing one embodiment of the joint cover, and Fig. 6 (a
) ~ (1), Figure 7 (a) ~ (odor, Figure 8 (a), (b)
) and FIGS. 9(a) to 9(j) are explanatory diagrams showing other embodiments of the panel and the fixture-cum-padding board. A... Panel, B... Fitting and batten board, C... Joint material, D... Joint cover fixture, E... Joint cover, F... Joint section. Fig. 1 Fig. 2 A...Panel B...Fixing fixture and sill board C...Joint material F...Joint portion Fig. 3 Fig. 6 Fig. 6 (h) Fig. (Fig.

Claims (1)

[Claims] (1) A long decorative surface, side walls provided on both sides of the decorative surface, a protruding piece that is also used for driving nails by bending the lower end of the side wall outward, and an end edge of the protruding piece. a metal surface material having a hat-shaped cross section formed from a side piece bent downward; a core material made of plastic foam and having a hat-shaped cross section filled in the back surface of the surface material; and at least the back surface of the core material is covered. A panel formed of a metal backing material having a substantially U-shaped cross section and an engaging groove formed by cutting out the core material exposed at the end in the width direction between the front and backing materials, and a horizontal surface shaped metal backing material. A long fixture/padding board with a substantially E-shaped cross section is formed from the support/insertion piece and the fixing piece, a joint material having at least water-repellent properties, a horizontal fixing part, and both ends of the fixing part. A short joint cover fixture having a locking part consisting of an upwardly bent rising piece and a locking piece whose tip is bent inward, a horizontal decorative surface part, and both end edges of the decorative surface part. It consists of a side wall decorative surface bent downward at an obtuse angle and an elongated joint cover in which an engaging portion is formed from an engaging piece whose tip of the side wall decorative surface is bent inward at an acute angle, and the panel has a width At the same time, the side end surfaces of the panels are brought into contact with each other, and the fitting and support/insertion piece of the slat plate is inserted into the engagement groove between the panels to cover the back side of the joint part, and the protruding piece of the panel itself is held by the fixing tool. The joint cover is fixed to the building frame, and the joint material is continuously planted at the joints between the panels, and a large number of joint cover fixtures are fixed at a predetermined pitch on the protruding pieces of the panels. A fireproof joint structure for a wall, characterized in that it is formed by fitting an engaging part of a joint cover into a retaining part of a cover fixture.