CH247390A - Profiled wooden beam. - Google Patents
Profiled wooden beam.Info
- Publication number
- CH247390A CH247390A CH247390DA CH247390A CH 247390 A CH247390 A CH 247390A CH 247390D A CH247390D A CH 247390DA CH 247390 A CH247390 A CH 247390A
- Authority
- CH
- Switzerland
- Prior art keywords
- boards
- rows
- double
- row
- assembled
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/38—Arched girders or portal frames
- E04C3/42—Arched girders or portal frames of wood, e.g. units for rafter roofs
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/12—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of wood, e.g. with reinforcements, with tensioning members
- E04C3/14—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of wood, e.g. with reinforcements, with tensioning members with substantially solid, i.e. unapertured, web
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Rod-Shaped Construction Members (AREA)
- Joining Of Building Structures In Genera (AREA)
Description
<B>Poutre profilée en bois.</B> La présenta invention a pour objet une poutre profilée, caractérisée par le fait qu'elle est constituée par-deux demi-poutres en forme de<B>U</B> assemblées au moyen de bou lons, l'âme de l'une étant appliquée contre l'âme de l'autre, de façon que leur juxtaposi tion réalise une poutre dont la section a la forme d'un double<B>T.</B>
Le dessin annexé montre, à titre d'exem ple, une forme d'exécution de la poutre objet de l'invention.
La fig. 1 en est une vue en coupe trans versale, et la fig. 2 est une vue-longitudinale d'une ferme en bois profilée, dont la section -est en forme de double<B>T.</B>
La poutre représentée à la fig. 1 com prend deux demi-poutres 1 et 2, comportant des âmes 3 'et 4; chacune de celles-ci est cons tituée par deux rangées 5 et 6 de planches; les planches de chaque rangée 5 et 6 sont juxtaposées, c'est-à-dire placées jointivement les unes à côté des autres; en iutre, les plan ches de l'une des rangées sont superposées à celles de l'autre;
les planches d'une rangée peuvent être fixées par collage ou par clouage, ou encore par collage et clouage à celles de la rangée contiguë. Les planches des rangées 5 sont croisées par rapport à celles des rangées 6 correspondantes, mais les plan ches des deux rangées 5 sont inclinées dans le même sens. ' Il est prévu d'utiliser et d'assembler des planches crétées et rainurées pour constituer une même rangée.
Les branches du<B>U</B> formé par les demi- poutres 1 et 2 sont constituées par des mem brures 7 et 8, respectivement- 9 et 10. Les membrures sont assemblées aux âmes 3 et 4 au moyen de clous ou de crosses 11, respecti vement 12, dont les têtes, de même que celles des clous assemblant les planches des rangées 5 et 6, sont logées à l'intérieur de l'âme de la poutre en double<B>T.</B> Cette dernière est réa lisée en assemblant, au moyen de boulons 13 et 14, les demi-poutres 1 et 2. Cet assemblage peut être réalisé à pied d'oeuvre, ce qui faci lite le transport.
Les clous 11 et 12, de même que ceux re liant les planches des rangées 5 et 6, n'étant pas en contact avec l'air ambiant, ne se dété riorent pas facilement.
Les extrémités de la poutre représentée sur la fig. 1 peuvent être munies de semelles do protection 15 et 16.
La poutre en double<B>T</B> représentée sur la fig. 2 constitue une demi-ferme dont les membrures 7 et 8 sont entretoisées à l'aide de montants 17, les deux demi-poutres qui la constituent étant assemblées au moyen de boulons 11 et 13.
L'âme de la ferme comprend des planches réparties en rangées 5 et 6, les planches des deux rangées 5 étant parallèles entre elles et inclinées dans le sens longitudinal par rap- port aux membrures, et forment avec les planches des deux rangées 6 un angle d'en viron 45 .
La poutre représentée à la fig. 1 peut être utilisée comme panne, sommier, etc.
<B> Profiled wooden beam. </B> The present invention relates to a profiled beam, characterized by the fact that it consists of two half-beams in the form of a <B> U </B> assembled at the means of bolts, the web of one being applied against the web of the other, so that their juxtaposition forms a beam whose section has the shape of a double <B> T. </ B >
The appended drawing shows, by way of example, one embodiment of the beam which is the subject of the invention.
Fig. 1 is a cross-sectional view thereof, and FIG. 2 is a longitudinal view of a profiled wooden truss, the section of which is in the shape of a double <B> T. </B>
The beam shown in fig. 1 com takes two half-beams 1 and 2, comprising webs 3 'and 4; each of these is constituted by two rows 5 and 6 of boards; the boards of each row 5 and 6 are juxtaposed, that is to say placed contiguously next to each other; in iutre, the planes of one of the rows are superimposed on those of the other;
the boards of a row can be fixed by gluing or by nailing, or by gluing and nailing to those of the contiguous row. The boards of rows 5 are crossed with respect to those of the corresponding rows 6, but the boards of the two rows 5 are inclined in the same direction. 'It is planned to use and assemble crested and grooved boards to form a single row.
The branches of the <B> U </B> formed by the half-beams 1 and 2 are formed by members 7 and 8, respectively- 9 and 10. The frames are assembled to webs 3 and 4 by means of nails or brackets 11, respectively 12, whose heads, as well as those of the nails assembling the boards of rows 5 and 6, are housed inside the web of the double beam <B> T. </ B > The latter is carried out by assembling, by means of bolts 13 and 14, the half-beams 1 and 2. This assembly can be carried out on the job, which facilitates transport.
The nails 11 and 12, as well as those re binding the boards of rows 5 and 6, not being in contact with the ambient air, do not deteriorate easily.
The ends of the beam shown in fig. 1 can be fitted with protective soles 15 and 16.
The double <B> T </B> beam shown in fig. 2 constitutes a half-truss whose frames 7 and 8 are braced using uprights 17, the two half-beams which constitute it being assembled by means of bolts 11 and 13.
The core of the truss comprises planks distributed in rows 5 and 6, the planks of the two rows 5 being parallel to each other and inclined in the longitudinal direction with respect to the frames, and forming an angle with the planks of the two rows 6 about 45.
The beam shown in FIG. 1 can be used as a purlin, box spring, etc.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH247390T | 1945-03-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH247390A true CH247390A (en) | 1947-03-15 |
Family
ID=4466181
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH247390D CH247390A (en) | 1945-03-10 | 1945-03-10 | Profiled wooden beam. |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH247390A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3470661A (en) * | 1965-03-19 | 1969-10-07 | Harvey H Johnson | Roof box frame haunch joint |
US4677806A (en) * | 1986-04-04 | 1987-07-07 | The United States Of America As Represented By The Secretary Of Agriculture | Wooden building system with flange interlock and beams for use in the system |
FR2599770A1 (en) * | 1986-06-09 | 1987-12-11 | Jomard Daniel | Portal frames made from CTBX, conventional timber pieces and tube pins |
US4854104A (en) * | 1988-10-18 | 1989-08-08 | Pomento Patrick G | Roof truss assembly |
-
1945
- 1945-03-10 CH CH247390D patent/CH247390A/en unknown
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3470661A (en) * | 1965-03-19 | 1969-10-07 | Harvey H Johnson | Roof box frame haunch joint |
US4677806A (en) * | 1986-04-04 | 1987-07-07 | The United States Of America As Represented By The Secretary Of Agriculture | Wooden building system with flange interlock and beams for use in the system |
FR2599770A1 (en) * | 1986-06-09 | 1987-12-11 | Jomard Daniel | Portal frames made from CTBX, conventional timber pieces and tube pins |
US4854104A (en) * | 1988-10-18 | 1989-08-08 | Pomento Patrick G | Roof truss assembly |
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