JP3057129B2 - Roof panel structure and roof panel forming method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roof panel structure of a structure and a method of forming a roof panel. In recent years, there has been a demand for a roof panel structure that is easy to construct, has high strength, and is capable of forcibly curving in a direction perpendicular to the corrugated shape to form an arched roof.

[0002]

2. Description of the Related Art Conventionally, this type of roof panel structure is shown in FIG.
As shown in FIG. 2, a roof panel in the form of a continuous small wave having a small wave height is placed on the purlin 6 and bolted to the purlin 6 at predetermined intervals, or as shown in FIG. As shown, a roof panel structure in which a roof panel unit having a polygonal folded plate shape is formed by fastening a roof panel unit and the roof panel is attached to a purlin 6 is generally known.

Here, in the conventional roof panel structure as shown in FIG. 12, the roof panel can be forcibly curved in the longitudinal direction (the direction orthogonal to the corrugation), and is arched. Preferred for roofing. However, FIG.
In the roof panel structure shown in FIG. 2, it is pointed out that the strength performance is poor because the wave height of the corrugated shape is relatively small. In particular, in a snowy area, the roof panel structure can withstand a load of about 300 kg / m ² of snow or the like. For this purpose, it is necessary to make the interval between purlins extremely narrow, which causes a problem that the installation is complicated and difficult, and that the cost increases due to an increase in the amount of steel frames.

[0004] It has also been pointed out that there is a problem that the waterproof property remains in the long term because the roof panel is penetrated with bolts and attached to the main building 6 in the long term. Further, in the roof panel structure as shown in FIG. 13, the mountain height is high in the roof panel shape, and since there are relatively many bent corners, the strength performance is excellent,
The purlin spacing can be widened to some extent, and the waterproofness is also good.

[0005] Even if the purlin spacing is widened to about 3 m, it can withstand a load of about 300 kg / m ² of snow and the like and has good water resistance for a long period of time. When the arched roof is forcibly bent in the direction perpendicular to the wave formation direction to form an arched roof, buckling occurs at the point when the forced bending is started even if the radius of curvature is large. There was a problem that an arched roof could not be formed.

[0006]

As described above, conventionally,
It is excellent in strength performance, it is possible to widen the space between purlins to some extent, and it has good waterproofness. In addition, it forcibly bends in the longitudinal direction of the roof panel (direction perpendicular to the waveform), and Roof panel structures that could be formed did not yet exist.

Accordingly, the present invention has been made to solve such a conventional problem, and can withstand a heavy load such as snow of about 300 kg / m ² at a purlin interval of about 3 m and a roof panel. Radius of curvature is 3 in the longitudinal direction of
It is an object of the present invention to provide a roof panel structure and a method of forming a roof panel which can be forcibly bent to about 0 m and have excellent waterproofness.

[0008]

In order to achieve the above object, the present invention is configured as follows. That is,
The roof panel structure according to the present invention has a projecting portion 2 that projects horizontally from one end of a substantially U-shaped roof panel unit 1 that curves downward, and a substantially rectangular shape from the projecting portion 2. A bent joint portion 3 is provided, and at the other end, a projecting portion 2 projecting in the horizontal direction and a substantially square bent from the projecting portion 2 to be superposed on the joining portion 3 A part 4 is provided, and the overlapped joint 4 of the other side roof panel unit 1 is superimposed on the joint 3 of the one side roof panel unit 1, and the two are joined together by crimping via the connecting member 5, A large wave-shaped roof panel formed of a curved surface having no corners as a whole is formed, and the large wave-shaped roof panel is curved in an arch shape in a direction orthogonal to the wave direction of the roof panel, and the connecting member 5 Connected to the connecting member 5 and abuts and holds the back surface of the roof panel. The holding member 7 having the upper mounting piece 9 extending in the horizontal direction and fixed to the purlin 6 is slidably connected in the width direction so as to absorb the expansion and contraction width of the arched curved roof panel. A projecting portion 2 which projects horizontally from one end of the roof panel unit 1 in which a plurality of substantially U-shaped curves curved downward are continuously formed. And a coupling portion 3 that is bent substantially in a square shape from the overhang portion 2, and at the other end portion,
An overhanging portion 2 extending in the horizontal direction and an overlapping portion 4 which is bent from the overhanging portion 2 into a substantially angular shape and overlaps with the connecting portion 3 are provided, and the connecting portion 3 of the one-side roof panel unit 1 is provided. Then, the overlapped joint portion 4 of the other side roof panel unit 1 is overlapped, and the two are joined together by pressure bonding via a connecting member 5 to form a large wave roof panel having a curved surface having no corners as a whole. And the large wave-shaped roof panel is arched in a direction orthogonal to the wave direction of the roof panel, and the connecting member 5 is connected to the connecting member 5 and the back surface of the roof panel is abutted. A holding member 7 having an upper mounting piece 9 extending in a horizontal direction to be held and fixed to a purlin 6;
Characterized by holding the roof panel while absorbing the expansion and contraction width of the arched curved roof panel, or one of the substantially U-shaped roof panel units 1 A connecting portion 3 which is bent at a substantially angle from a horizontal extending portion 2 provided at a side end and a horizontal extending portion provided at the other side end of another roof panel unit 1. A roof panel is formed by connecting the overlapping portion 4 which is bent substantially in a rectangular shape from the protruding portion 2 and overlaps with the connecting portion 3 while interposing a connecting member 5 which depends between the two, to form a roof panel. And a holding member 7 having a horizontally extending upper mounting piece 9 for holding the back surface of the roof panel in contact therewith and fixed to the purlin 6 so as to be slidably adjustable in the width direction. The roof panel is placed and held on the purlin 6, and then the roof panel It said roof panel is curved in an arch shape in a direction perpendicular to the wave direction of Le, the connecting member 5
The arched roof panel is formed by absorbing the expansion and contraction width of the arched curved roof panel at the connection between the and the holding member 7.

[0009]

According to the present invention, the overlapped joint 4 of the roof panel unit 1 on the other side having the same shape is superimposed on the joint 3 of the roof panel unit 1 on the one side having a U-shape curved downward. At the same time, they are joined by pressure bonding between them via a connecting member 5. And it is comprised as a big wave-shaped roof panel which consists of a curved surface which has no corner as a whole.

Therefore, an arch-shaped roof can be easily formed. In addition, it has enough strength to withstand heavy loads due to snow in heavy snow areas.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of a roof panel structure according to the present invention will be described below with reference to the drawings. First, in the present invention, the shape of the roof panel unit 1 was formed as shown in FIGS. That is, the mountain height of the roof panel unit 1 is substantially equal to that of the conventional folded plate roof shown in FIG.
Except for the provision of the overhang portion 2 of about 30 mm to 30 mm, all are configured as curved surfaces, and thus have a cross-sectional shape with no corners on the panel surface.

With this configuration, it is possible to forcibly bend in an arch shape without buckling in a direction perpendicular to the wave direction while maintaining a predetermined strength. Here, the type shown in FIG. 3 is called a single crest type, and the type shown in FIG. 4 is called a double crest type. The so-called double crest type is configured as a series of the single crest type shown in FIG.

The so-called two-mount type shown in FIG. 4 can be applied to a case where the standard of the original sheet width is wide. Advantageously. here,
As shown in FIG. 3, the roof panel unit 1 is configured to be curved downward and has a U-shape, and an overhang portion 2 that extends horizontally is provided at one end.

A connecting portion 3 which rises upward from the overhanging portion 2 and is bent at a right angle to be substantially U-shaped at the center of the roof panel unit 1 is provided. Further, from the other end, there is provided a projecting portion 2 projecting in the horizontal direction. The projecting portion 2 rises above the projecting portion 2, bends outward at a right angle, and extends downward from the tip. Is provided with a polymerized joint portion 4 formed by bending.

[0015] When the polymerization bonding portion 4 is connected, the bonding portion 3
And polymerized. The roof panel unit 1 shown in FIG. 4 is a so-called double mountain type roof panel unit 1, and the above-mentioned overhang portion 2 and the joint portion 3 are provided at both ends, and the overhang portion 2 is provided at the other end. And a polymerization bonding portion 4 are provided. Next, the connection construction of the roof panel units 1 and 1 will be described below.

First, as shown in FIG. 5 and FIG.
7, a holding member 7 is fixed to the purlin 6 by welding or the like, as shown in FIG. 7, and the connecting member 5 is connected to the holding member 7. On this occasion,
An elongated hole extending in the width direction is formed in the holding member 7 or the connecting member 5 so that, when a bolt or the like is inserted through the elongated hole, the hole can be slid in the width direction to be adjusted. I have. The reason will be described later.

Next, as can be seen from FIG. 1, the roof panel unit 1 shown in FIG. 3 or FIG. The overlapping joint 4 of the roof panel unit 1 on the other side is placed on the joint 3 formed on the end of the roof panel unit 1 on one side while being placed on the upper mounting piece 9 and sandwiching the connecting member 5. Cover and connect the two.

From this state, the bonding portion 3, the polymerization bonding portion 4,
The connecting member 5 sandwiched between the two is strongly pressed from both sides, and as shown in FIG. 2, the joining portion 3, the overlapping joining portion 4, and the joining member 5 sandwiched between both are integrated. Crushed into a plate shape and joined (goby fastening). As a result, as shown in FIGS. 8 and 9, a roof surface in a horizontal state is constructed.

Incidentally, by connecting the roof panel units 1 and 1,
The overhanging portions 2 form a parallel portion 8.
When the roof panel unit 1 is mounted on the purlin 6, the roof panel unit 1 is mounted in a plane state on the upper mounting piece 9 of the holding member 7, whereby the mounting stability can be made extremely good. And because the working width is widened,
The construction efficiency is improved, and the economy is also good.

In the thus constructed roof panel of the present invention, an arch-shaped roof surface can be constructed by forcibly curving the radius of curvature to be small using a so-called straching method or the like. This is because the conventional folded plate-shaped roof panel shown in FIG. 13 buckles when forcibly curved, but the roof panel as in the present embodiment has no corner surface and all Deformed because it is configured as a curved surface,
Buckling can be eliminated.

That is, by forming the roof panel surface into a cross-sectional shape having no corners, even if it is forcibly bent, buckling does not occur up to a radius of curvature of about 30 m, and the cross-sectional modulus of the conventional roof panel is reduced. The spacing of the purlins is also 3
Even if it is as wide as 0 m, it can withstand a load such as 300 kg / m ² of snow.

Here, the outline of the curved construction of the roof panel will be described. As understood from FIG. 10 and FIG.
For example, the PC cable inserted into the lower chord material 11 is tensioned to contract the lower chord material 11. Then, along with this, the upper chord material 10 is curved in an arch shape upward. Then, the roof panel on the purlin 6 connected to the upper chord material 10 also curves in an arch shape with the curvature of the upper chord material 10.

Here, as described above, since the roof panel of this embodiment has a large wave shape having a curved surface having no corners, even if the roof panel is forcibly bent in a direction perpendicular to the wave direction,
A beautiful arched roof can be formed without buckling or deformation. Since the connecting member 5 attached to the roof panel and hanging therefrom is slightly displaced in the bending direction, the connecting member 5 can be slidably adjusted in the width direction (direction orthogonal to the wave direction) with the holding member 7 connected thereto. It must be configured to be able to be connected.

That is, in the case where the roof panel is curved in an arch shape, the length of the roof panel must be longer than that of the upper chord material 10. Because the roof panel is the upper chord 1
This is because the outer chord material 10 needs to be slightly longer than the upper chord material 10 to be curved outside the zero. Therefore, the upper chord 1
The roof panel is attached so as to protrude from both sides of the roof panel 0, and after the roof panel is bent, the displacement of the roof panel is absorbed by adjusting the connection between the connecting member 5 and the holding member 7.

Further, the connection adjustment between the connecting member 5 and the holding member 7 can sufficiently follow the deformation of the roof panel due to thermal expansion. In this embodiment, since the roof panel units 1 are connected by goby fastening, the waterproofness becomes extremely good. Here, the goby fastening in this embodiment is as follows.
It is a goby-tightened type called a vertical type used for general folded-plate roofs, and there is no particular hindrance to other types of goby-tightened types.

As described above, it is possible to forcibly bend from a horizontal state to a radius of curvature of about 30 m as in the conventional wavy-shaped roof panel shown in FIG. 12, and to have the same degree of snow as the folded-plate roof panel shown in FIG. possesses strength against load weight, such as positive load or wind etc., further withstand the purlins interval load such widely 300 kg / m ² about snow be about 3m, also waterproof can build good roof become.

[0027]

According to the present invention, the roof panel structure according to the present invention forcibly bends a horizontally laid roof panel into an arch shape, and seats an arched roof having a radius of curvature of about 30 m. It can be built reliably and smoothly without bending or deformation. Therefore, even a building with an arch roof having a small radius of curvature can be constructed by a construction method such as a so-called strach construction method.

Further, even when the purlin interval is about 3 m, the number of
It can withstand a load of about 0 kg / m ² such as snow. Therefore, even in a snowy area or the like, the spacing between purlins can be made wider than before, so that the amount of steel frames can be reduced and the cost can be reduced. Also, the joint between the roof panels is so-called goby fastening, so that the waterproofness is high.

Further, since the mountain height is higher than that of the conventional corrugated roof, it also has the effect of preventing spills. further,
Since the roof panel is attached to the main building using a length-adjustable connection hardware such as a connection member and a holding member, the roof panel can sufficiently cope with deformation due to thermal expansion of the roof panel.

A simple arched roof with a beautiful appearance can be formed.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram illustrating a use state of the present invention.

FIG. 2 is an explanatory view of a use state of one embodiment of the present invention.

FIG. 3 is an explanatory diagram of a roof panel unit.

FIG. 4 is an explanatory diagram of a roof panel unit.

FIG. 5 is a plan view showing a framed state horizontally constructed from the upper chord material and the purlin.

FIG. 6 is a side view showing a framed state horizontally constructed from the upper chord material and the purlin.

FIG. 7 is an explanatory diagram illustrating an attached state of a holding member.

FIG. 8 is a plan view showing a roof panel horizontally mounted on a skeleton.

FIG. 9 is a side view showing a roof panel mounted horizontally on a skeleton.

FIG. 10 is an explanatory diagram showing a state before bending.

FIG. 11 is an explanatory diagram showing a state after bending.

FIG. 12 is an explanatory diagram of a conventional example.

FIG. 13 is an explanatory diagram of a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Roof panel unit 2 Overhang part 3 Join part 4 Overlap joint part 5 Connecting member 6 Purlin 7 Holding member 8 Parallel part 9 Upper placing piece 10 Upper chord material 11 Lower chord material

──────────────────────────────────────────────────続 き The continuation of the front page (72) Inventor Haruhiko Otsuki No.2, Sanbancho, Chiyoda-ku, Tokyo Tobishima Construction Co., Ltd. (56) References JP-A-4-293872 (JP, A) JP-A-47-41023 (JP, A) Japanese Utility Model 1-92421 (JP, U) Japanese Utility Model 39-21053 (JP, Y1) Japanese Utility Model 50-45636 (JP, Y1) (58) Fields surveyed (Int. Cl. ⁷⁾ E04D 3/00-3/40

Claims (3)

(57) [Claims] 1. An overhanging portion (2) projecting in a horizontal direction from one end of a substantially U-shaped roof panel unit (1) curved downward, and a substantially angle from the overhanging portion (2). A connecting portion (3) that bends into a shape, and an overhanging portion (2) that protrudes in the horizontal direction at the other end and a substantially angular shape from the overhanging portion (2). The joining portion (3) is provided with an overlapping joining portion (4) that overlaps, and the joining portion (3) of the one side roof panel unit (1) is overlapped with the overlapping joining portion (4) of the other side roof panel unit (1). Are overlapped with each other via a connecting member (5) so as to form a large-wave-shaped roof panel having a curved surface having no corners as a whole, and the large-wave-shaped roof panel is roofed. The connecting member (5) is curved in an arch shape in a direction orthogonal to the wave direction of the panel. And a holding member (7) fixed to the purlin (6) with a horizontally extending upper mounting piece (9) connected to the rear panel and abutting and holding the back surface of the roof panel in the width direction. Linked as possible,
A roof panel structure wherein the roof panel is held while absorbing the expansion and contraction width of the arch panel. 2. An overhang portion (2) that extends horizontally from one end of a roof panel unit (1) in which a plurality of substantially U-shaped curves that are curved downward are formed continuously. A connecting portion (3) that is bent from the portion (2) into a substantially rectangular shape, and a protruding portion (2) that protrudes in the horizontal direction and a substantially rectangular shape from the protruding portion (2) at the other end. And a connecting portion (4) that overlaps with the connecting portion (3). The connecting portion (3) of the one-side roof panel unit (1) is connected to the other-side roof panel unit (1). Are overlapped with each other, and are bonded to each other by press-fitting via a connecting member (5) to form a large wave roof panel having a curved surface having no corners as a whole, and The roof panel having a large wave shape is curved in an arch shape in a direction orthogonal to the wave direction of the roof panel, and the connecting member (5 ) And a holding member (7) fixed to the purlin (6) including a horizontally extending upper mounting piece (9) connected to the connecting member (5) and abutting and holding the back surface of the roof panel. ) And are connected so that they can slide in the width direction,
A roof panel structure wherein the roof panel is held while absorbing the expansion and contraction width of the arch panel. 3. A substantially U-shaped roof panel unit (1).
A connecting portion (3) that is bent in a substantially rectangular shape from a horizontally extending projection (2) provided at one end of the roof panel unit, and is provided at the other end of another roof panel unit (1). A connecting member (5) which is bent substantially in a rectangular shape from the overhanging portion (2) which protrudes in the horizontal direction and overlaps with the connecting portion (3) and which overlaps with the connecting portion (3). ) To form a roof panel, with the hanging member (5) and a horizontally extending upper mounting piece (9) holding the back surface of the roof panel in contact with the main body ( The roof panel is placed and held on the purlin (6) by slidably connecting the holding member (7) fixed to 6) to the width direction so as to be adjustable in the width direction, and then in a direction orthogonal to the wave direction of the roof panel. The roof panel is arched toward the connecting member (5).
A method of forming a roof panel, characterized in that an arched roof panel is formed by absorbing the expansion and contraction width of an arch-shaped roof panel at a connection point between the roof panel and the holding member (7).