JP2006037664A - Truss structure made by combining roof panel and horizontal member - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a truss structure made by combining roof panels and horizontal members for constructing a sloping roof without ridge beams. <P>SOLUTION: The truss structure includes two roof panels 5, 6, a roof panel connector 7 provided at ridge connections to combine the two roof panels 5, 6, and a ceiling sleeper 4 for connecting the free ends of the two roof panels 5, 6. The truss structure is constructed by the two roof panels 5, 6 and the ceiling sleeper 4 and supports roof loads. As a result, no ridge beam is necessary and the required cost can be saved. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a truss structure in which a roof panel and a horizontal member suitable for constituting a sloped roof that does not use a ridge beam are combined.

  The sloped roofs of conventional ordinary wooden houses are designed to span the slack between the eaves on the eaves wall and the master beam at a predetermined interval, and fasten the field board to the top of these slacks. It has a structure in which the roof panel has a symmetrical cross section. As an extension of this idea, even when trying to construct a sloped roof using a certain thickness of roof panel that serves as both a sag and a field plate, the roof is still between the eaves wall and the master beam. The panels are spanned so that the ends of the facing roof panels are in contact with each other.

  Thus, according to the prior art, the structure requires a ridge beam anyway, so if you do not want to provide a support column for the ridge beam in a room such as a house, a large beam or high strength The material had to be used, which caused the cost to increase. In addition, when using a ridge beam with a small beam, a bundle is required in the middle of the beam, a ceiling beam is required directly below the bundle, support columns are required at both ends of the ceiling beam, and a floor beam is required immediately below the column. For example, in order to transmit the vertical load of the roof to the foundation, support members had to be provided in each layer. Therefore, there is a problem that the labor of design increases and the cost of members and construction increases. In addition, the members of each layer for transmitting the vertical load from the building beam to the foundation also impose restrictions on the lower floor plan and the like, which has another problem that the degree of freedom in design is reduced.

  An object of the present invention is to provide a truss structure combining a roof panel and a horizontal member, which makes it possible to construct a sloped roof without the need for a master beam.

  In order to solve the above problems, according to the present invention, two roof panels that form a sloped roof, a roof panel joining material that is provided at a building joint and joins the two roof panels, and the two sheets A truss structure combining a roof panel and a horizontal member characterized by comprising a horizontal member that connects the free ends of the roof panel is proposed.

  According to the present invention, a truss structure can be formed by two roof panels and a horizontal member for forming a sloped roof, and the roof load can be supported by the self-balance of these members. The master beam is not required, and the cost can be reduced.

  Hereinafter, an exemplary embodiment of the present invention will be described in detail with reference to the drawings.

  FIG. 1 is a schematic configuration diagram showing an embodiment of a wooden house according to the present invention. A wooden house 1 shown in FIG. 1 includes a gable roof 2 according to the present invention, 3 is a wall body, and 4 is a ceiling joist laid between the wall bodies 3 and 3. A plurality of ceiling joists 4 are provided at predetermined intervals in the ridge direction of the gable roof 2.

  The gable roof 2 has a plurality of roof panels 5 constituting one side of the sloped roof and a plurality of roof panels 6 constituting the other side. These roof panels 5 and 6 are arranged in the width direction of the roof (the crossing direction), and one roof panel 5 and one roof panel 6 facing this form a pair to form a gradient roof. The gable roof 2 is composed of a plurality of sets of roof panels.

  A roof panel bonding material 7 extending in the ridge direction is provided at the ridge bonding portion of the gable roof 2, and the roof panel 5 and the roof panel 6 facing the roof panel 5 are bonded by the roof panel bonding material 7. Thus, each one end side of the plurality of roof panels 5 and the plurality of roof panels 6 is joined at the ridge joint portion by the roof panel joining material 7, while each other end side (free end side) of the plurality of roof panels 5. Is pin-bonded to one wall body 3, and each other end side (free end side) of the roof panel 6 is pin-bonded to one wall body 3.

  Since a plurality of ceiling joists 4 are provided between the wall bodies 3, 3, the other end side of the roof panel 5 and the other end side of the roof panel 6 are eventually connected by the ceiling joists 4, thereby the truss structure It is the structure which forms. Here, the ceiling joist 4 serves as a horizontal member (truss lower chord member) that connects the other ends of the two roof panels 5 and 6 forming one set. The cross-sectional dimension and interval of the horizontal member can be appropriately designed according to the size of the horizontal thrust generated at the joint portion between the diagonal member and the lower chord member of the truss.

  FIG. 2 is a view for explaining the truss structure of the gable roof 2. As can be seen from FIG. 2, each one end side of the roof panel 5 and the roof panel 6 is fastened at the ridge joint by a roof panel bonding material 7, and each other end side of the roof panel 5 and the roof panel 6 is a ceiling. It is connected by the joist 4 to thereby support the roof load. Thus, the triangular truss structure is constituted by making the roof panels 5 and 6 continuous in the width direction of the roof and installing the horizontal members at arbitrary intervals.

  FIG. 3 is a perspective view of the roof panel bonding material 7, and FIG. 4 is a cross-sectional view of the roof panel bonding material 7. The roof panel bonding material 7 is obtained by joining a pair of trapezoidal auxiliary materials 72, 73 on both sides of a thin plate-shaped long member 71 with a nail 74 near the lower end thereof.

  FIG. 5 is a cross-sectional view showing a detailed configuration of the ridge joint portion of the gable roof 2. As can be seen from FIG. 5, the joints of the roof panels 5 and 6 are opposed to each other with the plate material 71 interposed therebetween, and the roof panels 5 and 6 and the roof panel joint material 7 are fastened to each other by the nails 51 and 61. The part is formed. In addition, although the example using the heat insulation panel is shown here for the roof panels 5 and 6, the roof panel 5 and 6 may be a roof panel which does not have heat insulation. As described above, the ridge joint portion is formed by interposing the roof panel joint material 7 between the roof panels 5 and 6 intersecting from both sides and fastening them with nails or the like. The nails 51 and 61 are long enough to penetrate the thickness of the roof panels 5 and 6 and reach the roof panel joint material 7.

  Since the ridge joint portion has the convex shape of the roof panel joint material 7 as described above, the end portions of the roof panels 5 and 6 intersecting from both sides are placed on the jaw portion composed of the auxiliary materials 72 and 73. Therefore, the vertical accuracy of the roof panels 5 and 6 can be ensured. Moreover, the precision of a horizontal direction is securable by matching the edge part of the roof panels 5 and 6 with the board | plate material 71. FIG.

  FIG. 6 is a view showing a structure in which the roof panel 5 is pin-joined to the ceiling joist 4. The ceiling joist 4 is joined to the eaves girder 31 of the wall 3 by a nail using a metal fitting 32, and the other end side of the roof panel 5 is joined to the eaves girder 31 by a nail 52. Therefore, the roof panels 5, 6 and the ceiling joist 4 are joined to each other through the eaves girder 31 such as the roof panel 5-nail 52-eave girder 31-metal 32-ceiling joist 4. The same applies to the roof panel 6, but this is only an example, and the other end of the roof panels 5 and 6 can be pin-joined to the ceiling joist 4 by an appropriate means.

  7 and 8 show another configuration example of the ridge joint portion of the gable roof 2. The roof panel bonding material 7 ′ used here has substantially the same height of the plate material 71 ′ and the auxiliary materials 72 ′, 73 ′, and the entire roof panel bonding material 7 ′ is formed between the joints of the pair of roof panels 5, 6. In the sandwiched state, the roof panels 5 and 6 and the roof panel joint material 7 ′ are joined to each other by nails.

  Next, with reference to FIGS. 9-12, the construction procedure of the gable roof 2 is demonstrated. First, the ceiling joists 4 are attached as horizontal members (truss lower chord members) between the walls 3 and 3 (FIG. 9). Next, the receiving material 101 is attached to a position that becomes the end of the ridge joint (FIG. 10). Although only one receiving material 101 is shown in FIG. 10, a pair of receiving materials 101 are provided at both ends of the ridge joint.

  And the roof panel joining material 7 is constructed between a pair of receiving materials 101 and 101 (FIG. 11). Finally, the construction of the gable roof 2 is completed by joining one end side of the roof panels 5 and 6 to the roof panel joining material 7 and fastening the other end side to the eaves girder 31.

  Since the gable roof 2 is configured as described above, the construction is simpler than before and the labor can be saved. In addition, since the truss structure is formed by the facing roof panel and the horizontal member, the ridge beam is unnecessary, and the multiple members necessary for each layer to transmit the vertical load of the ridge beam to the foundation are unnecessary, Significant cost reduction is possible. Furthermore, since there is no member that supports the roof in a room such as a house, the degree of freedom in design is improved, and a space with high comfortability can be provided.

The schematic block diagram which shows one Embodiment of the wooden house by this invention. The figure for demonstrating the truss structure of the gable roof of FIG. The perspective view of the roof panel joining material of FIG. Sectional drawing of the roof panel joining material of FIG. Sectional drawing which shows the detailed structure of the ridge joint part of the gable roof of FIG. The figure which shows the structure which fixes the roof panel of FIG. 1 to a wall. The figure which shows the other structural example of the ridge junction part of a gable roof. FIG. 8 is a detailed view of the roof panel bonding material shown in FIG. 7. The figure for demonstrating the construction procedure of the gable roof shown in FIG. The figure for demonstrating the construction procedure of the gable roof shown in FIG. The figure for demonstrating the construction procedure of the gable roof shown in FIG. The figure for demonstrating the construction procedure of the gable roof shown in FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Wooden house 2 Gable roof 3 Wall body 4 Ceiling joist 5, 6 Roof panel 7, 7 'Roof panel joining material 31 Eaves girder 32 Hardware 71 Plate material 72, 72', 73, 73 'Auxiliary material

Claims (1)

  Two roof panels forming a sloped roof, a roof panel joint material that joins the two roof panels provided at the ridge joint, and a horizontal member that connects the free ends of the two roof panels A truss structure that combines a roof panel and a horizontal member.

Images