JPH03271446A - Roof truss structure - Google Patents

Abstract

PURPOSE:To ensure working efficiency by jointing roofs in an L-form or T-form, and fixing the auxiliary gable panel of the second roof to a part of a beam laid in the ridge direction of the first roof of the structure having an exterior wall panel and a gable panel jointed with a beam. CONSTITUTION:The first roof 100 of hipped roof construction and the second roof 200 thereof are curved and jointed to each other in an L-form or T-form viewed from top. In addition, exterior wall panels 10 and 12, and 14 and 16 are laid along the ridge directions of respective roofs 100 and 200. Also, triangular gable panels 24 and 26 are respectively assembled onto interior wall panels 20 and 22, and roof beams 40 and 42 are provided along the ridge direction of the first roof 100. Furthermore, a bent beam B is assembled by jointing two beams comprising a horizontal portion b1 and an inclined portion b2 laid at the predetermined angle to suit the slope of a general roof with a structural plywood G. In addition, an auxiliary gable panel P is fixed to the predetermined position of the beam B using an adhesive or a nail. According to the aforesaid construction, a roof truss can be effectively used.

Description

[Detailed Description of the Invention] C. Industrial Field of Application The present invention can be applied to roof structures in which various types of roofs, such as hipped roofs and semi-gable roofs, are combined and joined in a planar or T-shape. Regarding the roof frame structure that can be constructed.

[Prior Art] FIG. 7 is a perspective explanatory view showing an example of a conventional hipped roof roof frame.

This roof structure has a structure in which beams are installed between multiple roof panels installed side by side. That is, as shown in the figure,
Exterior wall panel Wl in the direction between the beams, exterior wall panel W in the girder direction
5. W6 and an inner wall panel W2W3 arranged in parallel with the outer wall panel W1. A wall is constituted by W4, and between the trapezoidal roof panel 1 assembled on the outer wall panel W1 and the inner wall panel W2, and the triangular roof panel 2 assembled on the roof panel 1 and the inner wall panel W3. A beam 4 and a beam support member 5 are constructed between the roof panel 2 and the triangular roof panel 3 assembled on the inner wall panel W4.

However, in the case of the roof frame structure of the hipped roof shown in Fig. 7, a triangular roof panel 2 is used in the hipped part, or in the case of a Japanese roof structure, the part where the ridgepole and the corner timber meet, A trapezoidal roof panel 1 is used on the outside (outer wall panel W1 side). For this reason, the attic was divided by these roof panels 1.2, and the attic could not be used effectively.

Furthermore, in recent years, housing lots have been subdivided due to soaring land prices, and the topography of housing lots has increased in deformed shapes such as trapezoids and triangles. It is difficult to construct a building in this area, and it is required to construct a building with an L-shape, two-C shape, or a complex planar shape with many steps. However, when constructing a building with a complex planar shape as described above, for example, the conventional framework construction method requires a multi-step and complicated process, and also requires skill for assembly. .

[Problems to be Solved by the Invention] The present invention has been made against the above-mentioned background, and its purpose is to improve the efficiency of construction by using standardized beam members, and to An object of the present invention is to provide a roof frame structure which can be applied to roof structures having a complicated planar shape and which can make effective use of the attic space.

[Means for Solving the Problems] The present invention provides a shed in which the roofs include a bent part where the roofs are joined in a planar shape or a T shape, and an outer wall panel and a roof panel are connected by a beam. In the assembled structure, in the joint area between the first roof and the second roof, an auxiliary roof panel that supports the second roof is attached to a part of the beam installed in the girder direction of the first roof. This invention relates to a roof frame structure characterized by being fixedly installed.

[Function] In the present invention, standardization is achieved by providing an auxiliary roof panel corresponding to the roof shape of the second roof on a part of the beam in the girder direction that constitutes the roof frame of the first roof. It is possible to easily construct a roof frame at a joint part of a roof structure having a bent part made of an L type, a T type, or a combination of these, which cannot be handled by using only a straight beam.

Furthermore, by using bent beams that match the slope of the roof in the girder direction, the attic of the roof can be used effectively.

[Embodiment] Figures 1 to 3 show an embodiment of the present invention, in which Figure 1 is a partial perspective view showing an example of a roof frame structure, and Figure 2 is a partial perspective view of the roof frame structure shown in Figure 1. and FIG. 3 are explanatory views showing a bent beam used in the roof frame structure shown in FIG. 1.

In this embodiment, as shown in FIGS. 1 and 2, a first roof 100 and a second roof 200 of a hipped structure are joined, and the planar shape is bent into an L-shape. There is. The outer wall panels 1012 are arranged along the row direction of the first roof 100, and the outer wall panels 14 and 16 are arranged along the row direction of the second roof 200.

Furthermore, on the extension of the exterior wall panel 16, the exterior wall panel 10
An inner wall panel 20 is installed across the outer wall panel 12 and the outer wall panel 12.
4 and the outer wall panel 16, an inner wall panel 22 is installed.

A triangular roof panel 24 is provided on the upper part of the inner wall panel 20.
A similar roof panel 26 is attached to the upper part of the inner wall panel 22.

Between the roof panel 24 and a roof panel (not shown) installed in parallel with the roof panel 24, a roof beam 40, a roof beam 42,
44 have been constructed.

Further, between the roof panel 26 and a roof panel (not shown) installed in parallel with the roof panel 26, a second roof 2
In the column direction of 00, the roof beam 30 and the roof beams 32, 3
4 have been constructed.

Between the roof panel 24 and the outer wall panel 14 in the beam-to-beam direction of the first roof 100, there are a first bent beam B1, a second bent beam B2. Fourth
A fifth bent beam B4 and a fifth bent beam B5 are constructed in sequence. The second bent beam B2 and the fourth bent beam B
4 is the vertex 36 of the second roof 200 in the vertical direction.
connected by. A third bent beam B3 is installed between this casing 36 and the top of the roof panel 24.

The bent beams B1 to B5 each have a horizontal portion b1 and an inclined portion b2, as shown in FIG.
Vertex of B5 (junction between horizontal part b1 and inclined part b2)
A line connecting the two forms a ridgeline portion R1 corresponding to a corner tree in a Japanese-style roof assembly.

A characteristic feature of this embodiment is that a triangular auxiliary roof panel P is provided on the horizontal portion bl of the fifth bent beam B5. That is, this auxiliary roof panel P has a shape corresponding to the roof shape of the second roof 200, is provided in parallel with the roof panel 26, and is located between the apex of the auxiliary roof panel P and the vertex of the roof panel 26. The line connecting these forms a ridge line R2 corresponding to a ridgepole in a Japanese-style hut. A line corresponding to a rafter is formed by one slope p1 of the auxiliary roof panel P, the other slope p2, and the slope portion b2 of the bent beam B5. This auxiliary roof panel P stably supports the joint portion of the second roof 200.

In addition, the roof panel 26 and the auxiliary roof panel P are the beams 30a.
The auxiliary roof panel P and the fourth bent beam B4 are connected by a beam 30b. Furthermore, the roof panel 26 and the fifth bent beam B5 are beams 32a and 34a.
A fifth bent beam B5. Fourth bent beam B4. Second bent beam B2 and first bent beam B1
are connected by beams 34b, 34C and 34d, respectively.

In addition, in the roof frame structure shown in FIG. 1, each beam is an external wall panel by a member (not shown).

Fixed to roof panels or bent beams.

FIG. 4 is a perspective explanatory view showing the assembled state of the vent casing B and the auxiliary roof panel P.

The bent beam B is generally constructed by joining two beams, a horizontal portion b1 and an inclined portion b2, arranged at a predetermined angle according to the slope of the roof using structural plywood G, and the auxiliary roof panel P is It is fixed in place on the bent beam B by adhesive and nailing.

Such bent beams B are standardized to correspond to various standardized roofs, and auxiliary roof panels P are designed to correspond to individual buildings, and both bent beams B and auxiliary roof panels P are manufactured at the factory. etc., in advance.

Moreover, the bent beam in the present invention includes not only a climbing beam but also a climbing beam.

According to the above configuration, by combining the bent beam B and the auxiliary roof panel P, the standardized bent beam B
Even in the joints of irregular roof structures consisting of L-shape, T-shape, or a combination of these, which cannot be handled by simply looking at the joints, it can be assembled with a simple configuration without the need for a complicated structure like a conventional framework structure. Therefore, the construction of the roof frame can be carried out extremely efficiently.

Furthermore, according to this embodiment, sufficient strength can be obtained by constructing a plurality of bent beams B, and since multiple roof panels are not required in the attic, the attic can be opened accordingly. The attic space can now be used effectively.

FIGS. 5 and 6 are explanatory views showing a series of application examples of the present invention, and FIG. 5(a) shows a roof frame structure for a planar roof shown in FIG. In FIG. 5(a), thick lines indicate beams, solid lines indicate horizontal portions of the beams, and broken lines indicate inclined portions of the beams. In addition, Fig. 5(b) and Fig. 5(C
) is a view seen from the direction of the arrow in the figure.

In this application example, as shown in FIG.
An L-shaped second hipped roof 40 is attached to one end of the hipped roof 300.
0 has a structure in which a third hipped roof 500 is connected to the other end of the first hipped roof 300 in a cross-shaped manner. The features of the present invention are applied to the joint portion between the first hipped roof 300 and the second hipped roof 400 and the joint portion between the first hipped roof 300 and the third hipped roof 500, respectively. Auxiliary roof panels Pi and P2 are installed.

That is, the first hipped roof 300 and the second hipped roof 40
By providing the auxiliary roof panel P1 shown in FIG. 5(b) on the bent roof B6 constructed in the girder direction of the first hipped roof 300 at the boundary with the roof, other beams, etc. The second hipped roof 400 can be stably supported without particularly requiring structural materials.

In addition, at the boundary between the first hipped roof 300 and the third hipped roof 500, the climbing beam B7 installed in the girder direction of the first hipped roof 300 is shown in FIG. 5(c). As shown in the figure, an auxiliary roof panel P2 is provided on the lower end side of the beam B7. Then, the upper edge P2 of this auxiliary roof panel P2
0 coincides with the extension line of the bent beam B8 that constitutes the third hipped roof 500, so the third hipped roof
The hip roof 500 will be reinforced.

In addition, in Fig. 5(a), 40,42°44.46
represents the roof panel to which the beam is fixed.

As mentioned above, it is possible to combine bent beams and auxiliary roof panels in irregular roof structures that cannot be handled using standardized ready-made bent beams alone due to the joints between the roofs. Therefore, it can be applied to all types of roof frames, and since the production and assembly of bent beams and auxiliary roof panels can be done in advance at a factory, etc., construction efficiency and labor savings can be achieved on site. can be achieved.

[Effects of the Invention] As described above, according to the present invention, by combining standardized bent beams and auxiliary roof panels, it is possible to easily accommodate diversified roof shapes, and the construction process is simplified. Not only can efficiency be improved effectively, but also the attic space can be used effectively by using bent beams.

[Brief explanation of drawings]

FIG. 1 is a perspective explanatory view showing the essential parts of an embodiment of the present invention, FIG. 2 is a plan explanatory view of the shed frame structure shown in FIG. 1, and FIG. 3 is an explanatory plan view of the shed shown in FIG. An explanatory diagram showing the configuration of a bent beam used in a assembled structure; FIG. 4 is a perspective explanatory diagram showing the configuration of an auxiliary roof panel and a bent beam; FIGS. 5 and 6 are one application of the present invention. Explanatory diagram showing an example FIG. 7 is a perspective explanatory diagram showing an example of a conventional roof structure. Figure 1

Claims (2)

[Claims] (1) In a roof frame structure including a bent part where two roofs are joined in a planar L-shape or T-shape, and in which an outer wall panel and a roof panel are connected by a beam, the first roof and A roof assembly characterized in that an auxiliary roof panel supporting the second roof is fixed to a part of the beam installed in the girder direction of the first roof in the joint area with the second roof. Structure. (2) In claim (1), the first roof includes an outer wall panel in the direction between the beams, a roof panel assembled on an inner wall panel arranged in parallel with the outer wall panel, and a roof panel that is attached to the outer wall panel and the roof panel. A roof frame structure including at least one bent beam installed in the crosswise direction between a cut panel and an auxiliary roof cut panel fixed to the bent beam.