FR2542030A1 - Method for reinforcing roof framings having trusses in the creation of habitable roof spaces - Google Patents
Method for reinforcing roof framings having trusses in the creation of habitable roof spaces Download PDFInfo
- Publication number
- FR2542030A1 FR2542030A1 FR8303313A FR8303313A FR2542030A1 FR 2542030 A1 FR2542030 A1 FR 2542030A1 FR 8303313 A FR8303313 A FR 8303313A FR 8303313 A FR8303313 A FR 8303313A FR 2542030 A1 FR2542030 A1 FR 2542030A1
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- FR
- France
- Prior art keywords
- joists
- reinforcing
- rafters
- roof
- trusses
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0266—Enlarging
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
Description
Procédé de renforcement des charpentes à fermettes dans la réalisation de combles habitables
La presente invention concerne le renforcement des fermettes de charpente rendu necessaire par la suppression des contreventements et les reports de. charge du plancher lors de la transformation dsun comble perdu en comble habitable
Dans la transformation dgun comble perdu dont la charpente est réalisée avec des fermettes légères dites américainesg il faut en effet supprimer les éléments de contreventement obliques entre l'entrait et les arbaletriers pour dégager lan espace habitable.Method for reinforcing frame trusses in the production of habitable attic space
The present invention relates to the reinforcement of structural trusses made necessary by the removal of bracing and deferrals. load of the floor during the transformation of a lost roof into habitable roof
In the transformation of a lost roof, the frame of which is made with light so-called American farmhouses, it is necessary to remove the oblique bracing elements between the entrance and the rafters to free the living space.
En outre les fermettes présentent une résistance mécanique insuffisante pour supporter le poids et la charge du plancher du comble. In addition, the farms have insufficient mechanical strength to support the weight and load of the attic floor.
Dans les procédés antérieurement proposés, le poids du plancher est reporté soit sur des poutres transversales aux fermes prenant appui sur les murs pignons, soit sur les entraits des fermes par des poutres disposées contre lesdits entraitso Dans les deux cas les poutres ont des portées importantes et pour ne pas accroître la section des bois, il est nécessaire de prévoir des poteaux de soutien intermédiaires qu'il est difficile de mettre en place dans l'espace habitable de la construction situé en dessous du comble à aménager.In the methods previously proposed, the weight of the floor is transferred either to beams transverse to the trusses resting on the gable walls, or to the beams of the trusses by beams placed against said beams. In both cases the beams have large spans and in order not to increase the section of the woods, it is necessary to provide intermediate support posts which are difficult to put in place in the habitable space of the construction situated below the roof space to be fitted out.
On a également proposé de renforcer les fermes dont les contreventements sont supprimés par un entrait supérieur disposé au-dessus du plafond de l'espace habitable du comble.It has also been proposed to reinforce the trusses, the braces of which are eliminated by an upper entry arranged above the ceiling of the attic space.
La présente invention a en conséquence pour but essentiellement de- supprimer la nécessité des poteaux de soutien intermédiaires qui sont inesthétiques et géants Elle est basee sur le. fait que l'espace habitable créé dans le comble est subdivise par au moins une et souvent plusieurs cloisons parallèles aux pi- gnons.The main object of the present invention is therefore essentially to remove the need for intermediate support posts which are unsightly and giant. It is based on the. the fact that the living space created in the attic is subdivided by at least one and often several partitions parallel to the gables.
Conformément à 17 invention on renforce la ou les fermettes situées au droit d'au moins une cloison en doublant les arbalétriers sur toute leur longueur par au moins une et de préférence deux fourrures de renfort boulonnées sur 1 e arbalétriers on place, entre les murs de façade et prenant appui sur ceuxci,une et de préférence deux solives parallèles à l'entrait mais indépendantes de celui-ci et établit un ou plusieurs tirants destinés à entre éventuellement noyés dans la cloison entre les arbalétriers renforcés et les solives sur lesquelles reposera le planeher. In accordance with the invention, the farm (s) located at the right of at least one partition are reinforced by doubling the rafters over their entire length with at least one and preferably two reinforcing furs bolted to the 1st rafters, placed between the walls of facade and bearing on these, one and preferably two joists parallel to the entrance but independent of it and establishes one or more tie rods intended for between possibly embedded in the partition between the reinforced rafters and the joists on which the planeher will rest .
De préférence les tirants sont constitués par des tiges métalliques filetées aux deux extrémités fi,-ées à leur extrémité supérieure sur une pièce d'entrait métallique boulonnée sur les fourrures de renfort constituées par des pièces de bois et les arbalétriers et sur l'extremite inférieure desquelles est fixée une fourrure métallique en U emboîtant les solives
D'autres caractéristiques du procédé de renforcement des charpentes, objet de l'invention,apparatront à la lecture de la description détaille d'un exemple de mise en oeuvre du procédé, faite ci-après avec référence au dessin ci-annexé dans lequel:
La figure 1 est une vue en élévation dgune fermette
renforcée conformément au procédé; la figure 2
est une vue à plus grande échelle des ferrures
d'ancrage du tirant de figure 1; la figure 3 est
une vue en élévation latérale desdites ferrures
en place sur les éléments de charpente et la figure
4 une vue en plan de l'ancrage sur les arêtiers.Preferably the tie rods are constituted by metallic rods threaded at the two ends fi, -ed at their upper end on a piece of metal tie bolted to the reinforcing furs constituted by pieces of wood and the crossbowmen and on the lower end which is fixed a metal U-shaped fur fitting the joists
Other characteristics of the method for reinforcing the frameworks, which is the subject of the invention, will appear on reading the detailed description of an example of implementation of the method, given below with reference to the attached drawing in which:
Figure 1 is an elevational view of a farmhouse
reinforced according to the process; figure 2
is an enlarged view of the fittings
anchoring the drawing of Figure 1; Figure 3 is
a side elevation view of said fittings
in place on the structural members and the figure
4 a plan view of the anchorage on the hip joints.
Dans le dessin la référence 1 désigne les murs de façade la référence 2 la sablière d'origine, la référence 3 l'entrait de la fermette à renforcer, la référence 4 ses arbalétriers et 5 les pièces de contreventement à supprimer.In the drawing, the reference 1 designates the front walls, the reference 2 the original sand pit, the reference 3 enters the farmhouse to be reinforced, the reference 4 its crossbowmen and 5 the bracing pieces to be removed.
Conformément à l'invention, on place de part et d'autre de chaque arbalétrier et prenant appui à la partie basse sur des cales de sablière 6, deux planches 7 formant fourrures ayant- par exemple une section 3 x 18 qui sont boulonnées en 8 sur les arbalétriers d'origine. On place également entre les cales 6 des deux murs de façade opposés, deux solives 9 ayant par exemple une section 8 x 23 qui sont maintenues écartées par des plaques entretoises 10,1'ensemble étant boulonné en 11. In accordance with the invention, there are placed on either side of each crossbowman and bearing on the lower part on sand plate wedges 6, two boards 7 forming furs having - for example a 3 x 18 section which are bolted at 8 on the original crossbowmen. There are also placed between the wedges 6 of the two opposite front walls, two joists 9 having for example a cross section 8 x 23 which are kept apart by spacer plates 10,1 'assembly being bolted at 11.
La face inférieure des solives 9 se trouve de quelques centi- mètres au-dessus de la face supérieure de l'entrait 3 et la face latérale de l'une des solives se trouve dans le meme plan que l'une des faces de l'entrait, les deux solives 9 étant d'un même côté par rapport à l'entrait. The underside of the joists 9 is located a few centimeters above the upper face of the entry 3 and the lateral face of one of the joists is in the same plane as one of the faces of the entered, the two joists 9 being on the same side with respect to the entry.
On met en place sur la face des fourrures 7 se trouvant au dessus des solives 9 et en dessous des liteaux 21 une plaque métallique 12 à la forme de l'angle faitier avec une aile 12a revenant au-dessus des are tiers et présentant des entailles non représentées pour le passage des liteaux 21 qui est bou lonnée en 13 sur les arbalétriers et les fourrures. En travers des bras de cette plaque est soudé un profilé cornière 14 formant entrait et dont l'aile horizontale comporte des lumières 15.Is placed on the face of the furs 7 located above the joists 9 and below the battens 21 a metal plate 12 in the shape of the ridge angle with a wing 12a returning above are thirds and having notches not shown for the passage of battens 21 which is bolted at 13 on the rafters and furs. Across the arms of this plate is welded an angle section 14 forming an entrance and the horizontal wing of which includes openings 15.
Dans au moins une des lumières 15 est enfilée l'extrémité file tée-d'un tirant 16 constitué par une tige d'acier, qui est fixé en place par deux écrous 17 serrant l'aile du profilé 14. L'extrémité inférieure du tirant est également filetée et passe dans un trou d'une plaque 18 prenant appui sur les faces supérieures des solives, dans l'intervalle entre les solives et dans le trou d'un profil en U 19 qui emboîte les deux solives, la plaque 18, les solives et le profil 19 étant serrés par deux écrous 20 coopérant avec le filetage du tirant.In at least one of the openings 15, the threaded end of a tie rod 16 of a steel rod is threaded, which is fixed in place by two nuts 17 tightening the wing of the profile 14. The lower end of the is also threaded and passes through a hole in a plate 18 bearing on the upper faces of the joists, in the gap between the joists and through the hole in a U-shaped profile 19 which fits the two joists, the plate 18 , the joists and the profile 19 being tightened by two nuts 20 cooperating with the thread of the tie rod.
Conformement à l'invention on réalise d'une façon simple un renfort d'une fermette, le plancher du comble aménagé pouvant prendre appui sur les murs pignons et sur les solives 9 qui sont soutenues-par le tirant 16. Il est possible de prévoir deux tirants 16 symétriquement par rapport à l'axe de la fermette. In accordance with the invention, a reinforcement of a farmhouse is produced in a simple manner, the floor of the fitted roof which can bear on the gable walls and on the joists 9 which are supported by the tie rod 16. It is possible to provide two tie rods 16 symmetrically with respect to the axis of the farmhouse.
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8303313A FR2542030B1 (en) | 1983-03-01 | 1983-03-01 | METHOD FOR REINFORCING FARM HOUSING IN THE PRODUCTION OF LIVING ROOF SPACES |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8303313A FR2542030B1 (en) | 1983-03-01 | 1983-03-01 | METHOD FOR REINFORCING FARM HOUSING IN THE PRODUCTION OF LIVING ROOF SPACES |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2542030A1 true FR2542030A1 (en) | 1984-09-07 |
FR2542030B1 FR2542030B1 (en) | 1985-07-19 |
Family
ID=9286371
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8303313A Expired FR2542030B1 (en) | 1983-03-01 | 1983-03-01 | METHOD FOR REINFORCING FARM HOUSING IN THE PRODUCTION OF LIVING ROOF SPACES |
Country Status (1)
Country | Link |
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FR (1) | FR2542030B1 (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2557183A1 (en) * | 1983-12-22 | 1985-06-28 | Delsol Marc | Method relating to the conversion of lost roof spaces into useful roof spaces in dwelling houses |
FR2573801A1 (en) * | 1984-11-23 | 1986-05-30 | Leroux Patrick | Method for building so-called non-habitable roofs of a residence and means for implementing the method |
FR2575210A1 (en) * | 1984-12-20 | 1986-06-27 | Leroux Patrick | Method for converting so-called non-habitable roof spaces of an already existing residence and means for implementing the method |
FR2577962A1 (en) * | 1985-02-28 | 1986-08-29 | Rousseau Georges Francois | Conversions of attics |
FR2580021A1 (en) * | 1985-04-09 | 1986-10-10 | Salomon Valerie | Method for converting a roof frame as well as means for the implementation of this method and frame thus converted |
FR2588594A1 (en) * | 1985-10-14 | 1987-04-17 | Lebrun Alain | Truss with load-bearing main tie without a turned-up main tie (dragon beam) |
FR2588593A1 (en) * | 1985-10-14 | 1987-04-17 | Lebrun Alain | Truss with special mezzanine load-bearing main tie, which truss may or may not be truncated |
FR2589913A2 (en) * | 1985-10-14 | 1987-05-15 | Lebrun Alain | Truss with load-bearing main tie without dragon beam |
FR2609746A1 (en) * | 1987-01-20 | 1988-07-22 | Toufani Vahid Mehran | Loft conversion framework - uses lightweight metal joists suspended from reinforced roof trusses in building with no suitable load bearing wall |
FR2785314A1 (en) * | 1998-11-03 | 2000-05-05 | Aubin Gezat | Method of making suspended floors for building involves attaching beams to roof and suspending floor frames from suspension rods attached to these |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2491111A1 (en) * | 1980-10-01 | 1982-04-02 | Harnois Georges | Reinforcement for roofing timbers - has horizontal reinforcing beams with vertical supports and temporary diagonal braces |
-
1983
- 1983-03-01 FR FR8303313A patent/FR2542030B1/en not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2491111A1 (en) * | 1980-10-01 | 1982-04-02 | Harnois Georges | Reinforcement for roofing timbers - has horizontal reinforcing beams with vertical supports and temporary diagonal braces |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2557183A1 (en) * | 1983-12-22 | 1985-06-28 | Delsol Marc | Method relating to the conversion of lost roof spaces into useful roof spaces in dwelling houses |
FR2573801A1 (en) * | 1984-11-23 | 1986-05-30 | Leroux Patrick | Method for building so-called non-habitable roofs of a residence and means for implementing the method |
FR2575210A1 (en) * | 1984-12-20 | 1986-06-27 | Leroux Patrick | Method for converting so-called non-habitable roof spaces of an already existing residence and means for implementing the method |
FR2577962A1 (en) * | 1985-02-28 | 1986-08-29 | Rousseau Georges Francois | Conversions of attics |
FR2580021A1 (en) * | 1985-04-09 | 1986-10-10 | Salomon Valerie | Method for converting a roof frame as well as means for the implementation of this method and frame thus converted |
FR2588594A1 (en) * | 1985-10-14 | 1987-04-17 | Lebrun Alain | Truss with load-bearing main tie without a turned-up main tie (dragon beam) |
FR2588593A1 (en) * | 1985-10-14 | 1987-04-17 | Lebrun Alain | Truss with special mezzanine load-bearing main tie, which truss may or may not be truncated |
FR2589913A2 (en) * | 1985-10-14 | 1987-05-15 | Lebrun Alain | Truss with load-bearing main tie without dragon beam |
FR2609746A1 (en) * | 1987-01-20 | 1988-07-22 | Toufani Vahid Mehran | Loft conversion framework - uses lightweight metal joists suspended from reinforced roof trusses in building with no suitable load bearing wall |
FR2785314A1 (en) * | 1998-11-03 | 2000-05-05 | Aubin Gezat | Method of making suspended floors for building involves attaching beams to roof and suspending floor frames from suspension rods attached to these |
Also Published As
Publication number | Publication date |
---|---|
FR2542030B1 (en) | 1985-07-19 |
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