FR2577962A1 - Conversions of attics - Google Patents
Conversions of attics Download PDFInfo
- Publication number
- FR2577962A1 FR2577962A1 FR8503102A FR8503102A FR2577962A1 FR 2577962 A1 FR2577962 A1 FR 2577962A1 FR 8503102 A FR8503102 A FR 8503102A FR 8503102 A FR8503102 A FR 8503102A FR 2577962 A1 FR2577962 A1 FR 2577962A1
- Authority
- FR
- France
- Prior art keywords
- load
- wood
- glued
- farmhouses
- beams
- 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.)
- Granted
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Classifications
-
- 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
-
- 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
- E04G23/027—Loft conversion by truss modification
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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)
- Working Measures On Existing Buildindgs (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
Description
L'invention concerne un procédé pour l'aménagement de combles d'habitation réputés "perdus", dont la charpente est constituée de fermettes légères industrialisées et dont la résistance n'est pas suffisante pour supporter les charges apportées par la création d'un plancher porteur y compris la charge amenée par les aménagements intérieurs tels que isolation, cloisonnements, mobiliers.The invention relates to a process for fitting out attic spaces deemed to be "lost", the frame of which consists of light industrialized small farms and the strength of which is not sufficient to withstand the loads brought about by the creation of a floor. carrier including the load brought by the interior fittings such as insulation, partitions, furniture.
Ces fermes, appelées communément fermettes américaines, sont constituées d'un entrait et de 2 arbalétriers de faible section dont la rigidité est assurée par des éléments de contreventements et de jambes de force.These farms, commonly known as American farmhouses, consist of an entrance and 2 small crossbowmen whose rigidity is ensured by bracing elements and struts.
Ces jambes de force étant disposées sous forme de W obstruent complètement le volume intérieur des combles.These struts being arranged in the form of a W completely obstruct the interior volume of the attic.
De plus, ces fermettes américaines prenant appui sur les murs de façade, sont espacées entre elles par de faibles -intervalles, rendant le comble difficilement accessible et inutilisable.In addition, these American small farms supported on the front walls, are spaced apart by small intervals, making the roof difficult to access and unusable.
Ces fermettes légères ne peuvent en aucun cas supporter les surcharges supplémentaires dues à la création d'un plancher porteur.These light farms cannot in any case withstand the additional overloads due to the creation of a load-bearing floor.
Les éléments constitutifs de ces fermettes tels que arba Ïe ers, entraits, contre fiches, jambes de force, contreventements travaillant chacun différemment soit en compression, soit en traction, ne peuvent évidemment être modifiés sans mettre en péril l'intégralité de la structure de la couverture et des plafonds. The constituent elements of these small farms such as arba Ïe ers, ties, against sheets, struts, braces, each working differently either in compression or in traction, obviously cannot be modified without jeopardizing the entire structure of the cover and ceilings.
La présente invention permet de remédier à ces inconvénients et autorise l'aménagement des combles d'habitation dans les cas où la charpente n'était initialement prévue pour un tel aménagement.The present invention makes it possible to remedy these drawbacks and authorizes the development of attic spaces in cases where the framework was not initially intended for such development.
Cet aménagement est réalisé par le présent procédé avec une très grande simplicité, une très grande sûreté de mise en oeuvre, une grande rapidité d'exécution et du point de vue économique avec un coût de revient modéré par rapport à celui d'une construction neuve.This arrangement is carried out by the present process with very great simplicity, very great safety in implementation, great speed of execution and from the economic point of view with a moderate cost price compared to that of a new construction. .
Ce procédé consiste à utiliser la technique des charpentes en bois lamellé collé destinée à franchir de grandes portées en flexion libre sur deux appuis et appliquées aux maisons individuelles.This process consists in using the technique of glued laminated timber frames intended to cross large spans in free bending on two supports and applied to individual houses.
Le bois lamellé collé possède des propriétés remarquables dont les principales sont : un effet esthétique incontestable, matériau homogène stable, sans variation dimension- nelle, sans entretien et extrêmement résistant au feu, une parfaite inertie aux ambiances corrosives ou humides, des qualités d'anti magnétisme et d'isolant électrique et en plus, un excellent isolant thermique. I1 est de plus possible par calculs de pouvoir déterminer avec précision la durée de tenue au feu sous des charges déterminées, ce qui amène une plus grande sécurité.Glued laminated wood has remarkable properties, the main ones being: an undeniable aesthetic effect, stable homogeneous material, without dimensional variation, maintenance-free and extremely fire-resistant, perfect inertia to corrosive or humid atmospheres, qualities of anti magnetism and electrical insulation and in addition, an excellent thermal insulation. It is moreover possible by calculations to be able to precisely determine the duration of fire resistance under determined loads, which brings greater security.
Une autre de ses propriétés exceptionnelles est de pouvoir réaliser de grandes portées sans soutien intermédiaire propriété qui est utilisée dans le procédé.Another of its exceptional properties is to be able to achieve large spans without intermediate support property which is used in the process.
En effet, ce procédé, utilisant le lamellé collé comme base de la structure, permet d'aménager très simplement et en toute sécurité les combles perdus, sans descendre de poteau: de soutien dans les parties habitables inférieures et de ce fait, il ne crée aucun trouble de jouissance, ni de perturbation dans la vie quotidienne pendant la durée des travaux
Le procédé consiste à constituer une charpente porteuse reposant uniquement sur les deux murs de façade et complètement désolidarisée du plafond.Indeed, this process, using the glued laminate as the base of the structure, makes it possible to very simply and safely arrange the lost roof spaces, without descending from the pole: support in the lower habitable parts and therefore it does not create no disturbance of enjoyment, or disturbance in daily life during the work
The process consists in constituting a load-bearing framework resting only on the two front walls and completely detached from the ceiling.
Cette nouvelle charpente porteuse reprend en sous-oeuvre la charpente existante, ce qui permet de supprimer ensuite en toute sécurité les éléments de l'ancienne charpente devenus inutiles après consolidation dé celle-ci.This new load-bearing structure incorporates the existing framework as a sub-structure, which then makes it possible to safely remove the elements of the old framework which have become useless after consolidation of the latter.
Cette nouvelle charpente porteuse étant-entièrement désolidarisée des pignons permet de transformer des combles où lesdits pignons sont réalisés en pans de bois ou de plastique.This new load-bearing structure being-entirely separated from the gables, it is possible to transform the attic where said gables are made of wooden or plastic sections.
Ce procédé n'entraine pas de modification de la répartition des charges.This process does not modify the load distribution.
Il est ainsi possible de gagner une surface aménageable maximum permettant la création d'un plancher porteur pouvant supporter une charge importante. I1 laisse entièrement libre, les sous rampants non aménagés, permettant ainsi une isolation facile, ou l'aménagement de placards sans difficulté.It is thus possible to gain a maximum convertible surface allowing the creation of a load-bearing floor which can support a large load. I1 leaves entirely free, the undeveloped sub-crawlers, thus allowing easy insulation, or the arrangement of cupboards without difficulty.
Cette technique donne la possibilité de créer très facilement des mezzanines sans descendre de poteaux de soutien et de résoudre de façon élégante et esthétique l'aménagement des combles dans les maisons à ossature préfabriquée en bois ou à charpente métallique. Elle donne la possibilité de pouvoir transformer facilement les angles de toiture, ou d'en changer complètement le style. Elle donne aussi la possibilité de faire des débords importants en porte à faux permettant aussi des agrandissements de surface aménageable plus important que dans d'autres procédés.This technique gives the possibility of very easily creating mezzanines without coming down from support posts and of elegantly and aesthetically solving the arrangement of the attic in houses with a prefabricated wooden or metal frame frame. It gives the possibility of being able to easily transform the angles of the roof, or to completely change the style. It also gives the possibility of making significant overhangs in cantilever allowing also larger enlargements of convertible surface than in other processes.
Ces travaux d'aménagements sont réalisés par l'extérieur du bâtiment de manière à gêner le moins possible les occupants de l'habitation.These development works are carried out from the outside of the building so as to disturb the occupants of the dwelling as little as possible.
A cette fin, on crée deux ouvertures de 1 m2 environ dans la toiture, ouvertures par lesquelles vont passer lavtotalité des matériaux nécessaires à la modification de la charpente.To this end, two openings of about 1 m2 are created in the roof, openings through which all the materials necessary to modify the frame will pass.
L'invention sera mieux comprise en se référant aux figures nO 1, 2, 3, 4, 5 la figure 1 représentant une ferme.The invention will be better understood by referring to Figures 1, 2, 3, 4, 5 Figure 1 showing a farm.
la figure 2 représentant une coupe dans le sens de la longueur de la façade de la maison la figure 3 représentant la structure~à hauteur du plancher la figure 4 représentant un détail du sommet des fermettes transformées.Figure 2 showing a section along the length of the facade of the house Figure 3 showing the structure ~ up to the floor Figure 4 showing a detail of the top of the transformed farmhouses.
la figure 5 représentant un détail d'un pied de fermettes transformées.Figure 5 showing a detail of a foot of transformed farms.
Suivant la figure (1) on va passer, dans l'ouverture créée, l'entrait (2) d'un mur de façade à l'autre mur de façade (1). Cet entrait en lamellé collé (2) repose luimême sur des cales de répartition en bois dur (6) reposant sur le chainage des murs de façade (1).According to figure (1) we will pass, in the opening created, the entry (2) from one front wall to the other front wall (1). This entry into glued laminate (2) rests itself on hardwood distribution wedges (6) resting on the chaining of the front walls (1).
Ensuite, on effectuera la mise en place sous la charpente existante (9) des deux 1/2 fermes arbalétriers en lamellé collé (3) reliées par l'entrait en lamellé collé (2).Then, we will carry out the positioning under the existing frame (9) of the two 1/2 crossbow trusses in glued laminated timber (3) connected by the entry in glued laminated timber (2).
A espacement convenable, on posera une nouvelle ferme, en A, en lamellé collé, cette ferme se composant d'un entrait (2) et de deux 1/2 fermes arbalétriers (3), ce nombre de ferme pouantêtre de 2 ou plus, suivant la longueur de la façade. At suitable spacing, a new truss will be placed, at A, in glued laminated timber, this truss consisting of a beam (2) and two 1/2 crossbow trusses (3), this number of trusses may be 2 or more, along the length of the facade.
On passe ensuite une poutre haute en bois lamellé collé (4) rejoignant longitudinalement ces différentes fermes (3) en lamellé collé, poutre sur laquelle viennent prendre appui les fermettes (9) de de la charpente existante. Cette poutre (4) étant elle-même reprise par des jambettes en lamellé collé (5) reposant sur les entraits en lamellé collé t2) et sur une poutre en lamellé collé (7). We then pass a high beam of glued laminated wood (4) joining these various trusses (3) longitudinally in glued laminated timber, a beam on which the trusses (9) of the existing framework come to bear. This beam (4) being itself taken up by glued laminated legs (5) resting on the glued laminated beams t2) and on a glued laminated beam (7).
La poutre t7) en lamellé collé est reprise par chaque entrait en lamellé collé t2) au moyen de sabots métallique et est destinée à recevoir le solivage g8) qui lui-même supportera le plancher bois (11).The beam t7) in glued laminate is taken up by each entry in glued laminated t2) by means of metal shoes and is intended to receive the joist g8) which itself will support the wooden floor (11).
Les goussets de faitage (13) et goussets de pieds dBarba- létriers (14) réalisés en contre plaqué et fixés par pointes torsadées, sont destinés à réaliser les assemblages de ces différents éléments et à parfaire la, triangulation.The ridge gussets (13) and dBarbarrier foot gussets (14) made of plywood and fixed by twisted points, are intended to make the assemblies of these different elements and to perfect the triangulation.
Chaque fermette (9) est doublée par un renfort (10) en bois massif boulonné en cas de renfort de charpente métal que, cloué ou agrafé en cas de charpente bois
Chaque faitage de fermette est consolidé par un gousset (15) en contre plaqué fixé par clouage ou boulonnage.Each farmhouse (9) is doubled by a solid wood reinforcement (10) bolted in the case of metal frame reinforcement that, nailed or stapled in the case of wooden frame
Each farmhouse ridge is consolidated by a plywood gusset (15) fixed by nailing or bolting.
Ce gousset t15) peut aussi être complèté avantageusement par un faux entrait retroussé (16) en bois massif.This gusset t15) can also be advantageously completed by a upturned false entry (16) in solid wood.
Les pieds de fermettes (9) sont consolidés par un gousset en contre plaqué (17). The truss feet (9) are consolidated by a plywood gusset (17).
Chaque arbalétrier de fermette est soutenu par une jambes (18). Each farmhouse crossbowman is supported by a leg (18).
Les éléments de contreventement (19) sont déposés pour libérer l'espace aménageable prévu. The bracing elements (19) are removed to free up the planned convertible space.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8503102A FR2577962B1 (en) | 1985-02-28 | 1985-02-28 | ROOF FITTINGS |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8503102A FR2577962B1 (en) | 1985-02-28 | 1985-02-28 | ROOF FITTINGS |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2577962A1 true FR2577962A1 (en) | 1986-08-29 |
FR2577962B1 FR2577962B1 (en) | 1989-01-13 |
Family
ID=9316812
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8503102A Expired FR2577962B1 (en) | 1985-02-28 | 1985-02-28 | ROOF FITTINGS |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2577962B1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
FR2650019A1 (en) * | 1989-07-19 | 1991-01-25 | Jacob Structures Bois Entr | Method for converting industrially produced timber frames with lost roof space into an attic for dwelling purposes by adding industrially manufactured timber elements |
FR2789424A1 (en) * | 1999-02-10 | 2000-08-11 | Christophe Roland Mari Legrand | Roof structure conversion, for building, enables loft or attic space to be used as rooms and has floors with low side-walls on either side |
CN111877789A (en) * | 2020-07-01 | 2020-11-03 | 上海建工集团股份有限公司 | Construction method for integrally lifting, replacing and constructing new and old steel roof |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2542030A1 (en) * | 1983-03-01 | 1984-09-07 | Pautonnier Michel | Method for reinforcing roof framings having trusses in the creation of habitable roof spaces |
FR2542791A1 (en) * | 1983-03-16 | 1984-09-21 | Bergevin Gerard | Method for converting roof spaces and equipment for the implementation of this method |
-
1985
- 1985-02-28 FR FR8503102A patent/FR2577962B1/en not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2542030A1 (en) * | 1983-03-01 | 1984-09-07 | Pautonnier Michel | Method for reinforcing roof framings having trusses in the creation of habitable roof spaces |
FR2542791A1 (en) * | 1983-03-16 | 1984-09-21 | Bergevin Gerard | Method for converting roof spaces and equipment for the implementation of this method |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
FR2650019A1 (en) * | 1989-07-19 | 1991-01-25 | Jacob Structures Bois Entr | Method for converting industrially produced timber frames with lost roof space into an attic for dwelling purposes by adding industrially manufactured timber elements |
FR2789424A1 (en) * | 1999-02-10 | 2000-08-11 | Christophe Roland Mari Legrand | Roof structure conversion, for building, enables loft or attic space to be used as rooms and has floors with low side-walls on either side |
CN111877789A (en) * | 2020-07-01 | 2020-11-03 | 上海建工集团股份有限公司 | Construction method for integrally lifting, replacing and constructing new and old steel roof |
Also Published As
Publication number | Publication date |
---|---|
FR2577962B1 (en) | 1989-01-13 |
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ST | Notification of lapse |