FR2563557A1 - Method for converting a truss and means for implementing this method - Google Patents

Method for converting a truss and means for implementing this method Download PDF

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FR2563557A1
FR2563557A1 FR8406911A FR8406911A FR2563557A1 FR 2563557 A1 FR2563557 A1 FR 2563557A1 FR 8406911 A FR8406911 A FR 8406911A FR 8406911 A FR8406911 A FR 8406911A FR 2563557 A1 FR2563557 A1 FR 2563557A1
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entry
rafters
triangulation
frame
tie
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FR2563557B1 (en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00Working measures on existing buildings
    • E04G23/02Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0266Enlarging
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00Working measures on existing buildings
    • E04G23/02Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0266Enlarging
    • E04G23/027Loft 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)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Load-Bearing And Curtain Walls (AREA)

Abstract

The invention relates to a method for converting a truss and to the means for implementing this method. This method is characterised in that: - vertical uprights 15, 16, the base 151, 161 of which project below the main truss beam by a certain height H, are fixed against the rafters 6, 7 and the ends 54, 55 of the main truss beam; - a tie 17 is placed under tension between the bases 151, 161; - the cross-bracing is then installed and the median part of the main truss beam is removed. Application to the building industry.

Description

L'invention se rapporte à un procédé de transformation d'une charpente et aux moyens en vue de la mise en oeuvre de ce procédé. The invention relates to a method of transforming a frame and to the means for implementing this method.

Elle s'applique à la transformation des charpentes des combles dits non aménageables afin de néanmoins permettre de les aménager. It applies to the transformation of the frames of the so-called non-convertible attic in order to nevertheless allow them to be fitted out.

On sait que ces charpentes sont constituées d'une série de fermettes qui, s'étendant d'un mur de façade à un autre, sont placées à faible distance les unes des autres d'un mur pignon à un autre et maintenues entre elles par des entretoises et contreventements. We know that these frames are made up of a series of trusses which, extending from one front wall to another, are placed at a short distance from each other from one gable wall to another and held together by spacers and bracing.

Ces fermettes sur lesquelles la toiture prend appui, comprennent principalement une structure triangulaire formée d'une part, d'une poutre horizontale dite "entrait" reliant les murs des façades avant et arrière et, d'autre part, de deux pièces de bois dites "arbalétriers" inclinées pour s'élever Jusqu'au faite du toit où elles se rejoignent. These small farms on which the roof rests, mainly comprise a triangular structure formed on the one hand, by a horizontal beam called "enter" connecting the walls of the front and rear facades and, on the other hand, by two pieces of wood called "crossbowmen" inclined to rise Up to the roof made where they meet.

Pour supporter la toiture, ces fermettes sont renforcées. To support the roof, these farms are reinforced.

Leurs renforts consistent en une triangulation formée d'éléments dont certains, travaillant en traction depuis le sommet de la fermette, soutiennent l'entrait alors que les autres, travaillant en compression en prenant appui au pied des précédents, soutiennent généralement en leur milieu, les arbaletriers qui sans cela seraient trop flexibles. Their reinforcements consist of a triangulation formed of elements some of which, working in traction from the top of the farmhouse, support the entry while the others, working in compression by taking support at the foot of the previous ones, generally support in their middle, the crossbowmen who would otherwise be too flexible.

Cette triangulation qui se répète à chaque fermette et qui constitue un obstacle à l'aménagement du comble, ne peut évidemment, sans autres précautions, être ôtée sans mettre en péril les arbalétriers, la couverture et le plafond. This triangulation which is repeated at each farmhouse and which constitutes an obstacle to the development of the roof space, obviously cannot, without other precautions, be removed without endangering the crossbowmen, the cover and the ceiling.

En travaux neufs (FR-A-2.411,283), avant couverture, il est bien sûr connu et aisé de prévoir des poutres s'étendant d'un mur pignon à un autre et sur lesquelles prendront appui les arbalétriers des fermettes qui, au moins dans la zone apte à constituer la partie habitable du comble, pourront alors être dépourvues de triangulation de soutien. In new work (FR-A-2,411,283), before covering, it is of course known and easy to provide beams extending from one gable wall to another and on which will support the rafters of the farmhouses which, at less in the area capable of constituting the habitable part of the attic, can then be devoid of support triangulation.

Lors de la transformation de constructions existantes, il est évidemment possible de découvrir r la charpente pour permettre le passage et la mise en place des poutres ainsi que la- rectification des fermettes mais celasconstitue un travail extrêmement important et coûteux qui, de plus, pendant un certain temps, expose le reste de la construction aux intempéries. During the transformation of existing constructions, it is obviously possible to discover the frame to allow the passage and the installation of the beams as well as the rectification of the trusses but this constitutes an extremely important and expensive work which, moreover, during a exposed the rest of the construction to the weather.

Afin de permettre le retrait de la triangulation sans pour autant déposer la toiture, il est connu (FR-A-2.491.111) de placer sous les arbalétriers des piliers de soutien reportant au préalable la charge de la toiture sur un autre appui. In order to allow removal of the triangulation without depositing the roof, it is known (FR-A-2,491,111) to place support pillars under the rafters transferring the load of the roof beforehand onto another support.

Bien entendu, cet appui ne peut être trouvé sur l'entrait qui n'avait pas été prévu pour une telle charge et les piliers doivent-ils descendre jusqu'au premier appui sûr tel celui d'une dalle en béton qu'il rencontre dans la construction et qui constitue généralement le plancher du dernier étage de la construction. Of course, this support can not be found on the entry which was not intended for such a load and the pillars must they descend to the first safe support such as that of a concrete slab that it meets in construction and which generally constitutes the floor of the top floor of the construction.

Malheureusement, dans les pièces de cet étage, ces piliers sont encombrants et ne peuvent pas touJours être facilement masqués par des placards ou cloisons. Unfortunately, in the rooms on this floor, these pillars are bulky and cannot always be easily hidden by cupboards or partitions.

Afin de remédier à ces inconvénients, on connaît un procédé (FR-A-2.518.612), selon lequel avant retrait des éléments de trlangulation-supportant chaque arbalétrier
- tout d'abord on fixe entre cet arbalétrier et l'entrait d'au moins plusieurs fermettes une coulisse verticale,
- dans le même temps, on engage dans les dites coulisses des poutres que l'on a préalablement scindées en plusieurs tronçons et on scelle dans chacun des murs pignon l'une des extrémités de la poutre dont on relie les tronçons par des moyens de liaison sous chacun desquels on a fixé un poinçon,
- ensuite, on saisit la base de chacun des poinçons par l'une des extrémités de deux tirants ou plus dont, au moins indirectement, on relie les autres extrémités à celles des tronçons de poutre situés de part et d'autre du poinçon considéré,
- enfin, on fait agir les tirants qui, à leur tour, agiront sur leur poinçon avec lequel ils forment une triangulation pour qu'ils soutiennent la poutre et lui donnent une légère contreflèche qui lui permettra alors, au moins indirectement, de soutenir à la fois les arbalétriers et tant la toiture que le futur plancher qui sera suspendu à la poutre, ce qui permettra alors la dépose de la triangulation initiale devenue inutile puis l'habillage du comble.
In order to remedy these drawbacks, a process is known (FR-A-2,518,612), according to which before removal of the trlangulation elements-supporting each crossbowman
- first of all, a vertical slide is fixed between this crossbowman and the entrance to at least several farmhouses,
- At the same time, we engage in the said slides beams that have been previously split into several sections and we seal in each of the gable walls one of the ends of the beam whose sections are connected by connecting means under each of which a punch has been fixed,
- then, the base of each of the punches is grasped by one of the ends of two or more tie rods of which, at least indirectly, the other ends are connected to those of the beam sections located on either side of the punch considered,
- finally, the tie rods are made to act which, in turn, will act on their punch with which they form a triangulation so that they support the beam and give it a slight counter-arrow which will then allow it, at least indirectly, to support the both the crossbowmen and both the roof and the future floor which will be suspended from the beam, which will then allow the removal of the initial triangulation become useless and then the dressing of the roof.

Dans la maJorité des charpentes, la hauteur du faite du toit par rapport au plancher est assez importante pour que ce procédé donne toute satisfaction. In the majority of frames, the height of the roof made with respect to the floor is large enough for this process to be entirely satisfactory.

Toutefois, du fait d'une inclinaison du toit trop faible, certaines charpentes n'ont pas à l'origine une hauteur suffisante pour malgré un retrait de la triangulation initiale d'au moins plusieurs fermettes dégager un volume habitable. However, due to an inclination of the roof that is too small, certain frames do not originally have a sufficient height so that, despite a withdrawal of the initial triangulation of at least several small farms, release a habitable volume.

Pour néanmoins rendre aménageable ces combles dont à l'origine la charpente a une hauteur trop faible pour qu'ils soient habitables, on peut bien entendu surélever le toit par exemple, après que conformément au procédé précédent, on aura posé des poutres1 en supprimant au moins sur une certaine longueur de la charpente et-sur toutes les fermettes correspondantes, la partie des arbalétriers allant du faite du toit Jusqu a proximité des. dites poutres pour ne préserver qu'une partie de ces arbalétriers de longueur suffisante pour s'appuyer d'une part sur le mur de façade et d'autre part sur la poutre et on place sur ces poutres ou leur proximité les extrémités inférieures d'une nouvelle structure de fermettes rehaussant le faîte du toit et dont on fixe chacun des pieds sur au moins l'une des pièces que sont la coulisse et les fractions restantes de l'arbalétrier. However, to make these attics suitable for conversion, the frame of which originally was too low for them to be habitable, it is of course possible to raise the roof for example, after in accordance with the previous process, beams1 will have been laid by removing the less over a certain length of the frame and-on all the corresponding farmhouses, the part of the rafters going from the roof made up to near. say beams to preserve only a part of these rafters of sufficient length to rest on the one hand on the facade wall and on the other hand on the beam and we place on these beams or their proximity the lower ends of a new structure of trusses raising the ridge of the roof and of which each of the feet is fixed on at least one of the pieces that are the slide and the remaining fractions of the crossbowman.

Une telle surélévation du toit oblige toutefois à découvrir longuement la maison, entraîne des frais élevés et par ailleurs n'est pas touJours compatible avec les dispositions pouvant réglémenter l'aspect extérieur des constructions. Such an elevation of the roof, however, requires a long discovery of the house, entails high costs and moreover is not always compatible with the provisions which can regulate the external appearance of the constructions.

Un résultat que l'invention vise à obtenir est un procédé permettant sans surélévation de toiture de rendre aménageable ces combles dont à l'origine la charpente a une hauteur trop faible pour qu'ils soient habitables. A result which the invention aims to obtain is a process allowing without raising the roof to make these attics suitable for conversion, the frame of which was originally too low for them to be habitable.

A cet effet, elle a pour objet un procédé du type précité notamment caractérisé en ce qu'au moins sur une partie de la longueur de la charpente mais sur toutes les fermettes correspondantes
- on place des renforts sur les parties de l'entrait qui sont situés de part et d'autre de sa partie médiane de largeur correspondant à celle du volume habitable à dégager,
- contre les arbalétriers et les extrémités des parties de l'entrait ainsi renforcé qui sont tournées l'une vers l'autre, on fixe des montants verticaux dont la base descend d'une certaine hauteur au dessous de l'entrait,
- entre les bases de ces pieds, on place un tirant que l'on met sous tension jusqu'à ce que sous le contrôle de repères, on donne à l'entrait une légère contreflèche,
- on dépose alors l-a triangulation et on ôte la partie centrale de l'entrait,
- en appui sur les montants, on pose alors les plancher et habillage ainsi que les moyens' d'accés.
To this end, it relates to a process of the aforementioned type, in particular characterized in that at least over part of the length of the frame but on all the corresponding small farms
- reinforcements are placed on the parts of the entry which are located on either side of its middle part of width corresponding to that of the habitable volume to be released,
- against the crossbowmen and the ends of the parts of the strut thus reinforced which are turned towards each other, vertical uprights are fixed, the base of which descends by a certain height below the stringer,
- between the bases of these feet, a tie is placed which is put under tension until under the control of markers, we give the entry a slight counter-arrow,
- the triangulation is then deposited and the central part of the entry is removed,
- resting on the uprights, the floor and covering are then laid as well as the means of access.

Elle a également pour objet les moyens en vue de la misse en oeuvre de ce procédé. It also relates to the means for the implementation of this process.

Elle sera bien comprise à l'aide de la description ci-après faite, à titre d'exemple non limitatif, en regard du dessin ci-annexé qui représente schématiquement
- figure 1: une charpente avant transformation,
- figure 2: une charpente après transformation.
It will be clearly understood with the aid of the description below, given by way of nonlimiting example, with reference to the attached drawing which schematically represents
- Figure 1: a frame before transformation,
- Figure 2: a frame after transformation.

En se reportant au dessin, on comprend que la charpente 1 est formée d'une série de fermettes 2 dont une seule est visible au dessin. Referring to the drawing, it is understood that the frame 1 is formed of a series of small farms 2, only one of which is visible in the drawing.

Elles sont placées à faible distance les unes des autres et s'étendent d'un mur de façade 3 à un autre 4. They are placed a short distance from each other and extend from one front wall 3 to another 4.

Sur ces fermettes 2 prend appui la toiture (non representée). On these farmhouses 2 is supported the roof (not shown).

Elles comprennent principalement un entrait 5 qui se présente sous la forme d'une poutre horizontale reliant les murs de façade 3, 4 et deux arbalétriers 6, 7 qui se présentent sous la forme de poutres inclinées pour, depuis le niveau supérieur des murs de façade s'élever Jusqu'au faîte du toit. They mainly include an entry 5 which is in the form of a horizontal beam connecting the front walls 3, 4 and two rafters 6, 7 which are in the form of inclined beams for, from the upper level of the front walls rise to the roof ridge.

La charge du toit sollicite en flexion ces arbalétriers 6, 7 qui doivent donc être soutenus. The roof load biases these rafters 6, 7 which must therefore be supported.

A cet effet, avant transformation du comble non aménageable, les arbalétriers 6, 7 sont reliés à l'entrait 5 par des éléments 8, 9, 10, 11 formant une triangulation et barrant le volume du comble. To this end, before transformation of the non-convertible attic, the rafters 6, 7 are connected to the entrance 5 by elements 8, 9, 10, 11 forming a triangulation and barring the volume of the attic.

Pour qu'au moins dans la zone centrale 12, ce comble soit aménageable, cette triangulation doit donc être ôtée. So that at least in the central zone 12, this roof space can be converted, this triangulation must therefore be removed.

Pour ce faire, conformément à l'obJet de l'invention
- on place des renforts 13, 14 sur les parties 51, 52 de l'entrait 5 qui sont situées de part et d'autre de sa partie médiane 53 de largeur correspondant à celle du volume habitable à dégager,
- contre les arbalétriers 6, 7 et les extrémités 54, 55 de l'entrait 5 ainsi renforcé qui sont tournées l'une vers l'autre, on fixe des montants verticaux 15, 16 dont la base 151, 161 descend au dessous de l'entrait 5 d'une certaine hauteur "H",
- entre les bases 151, 161, on place un tirant 17 que l'on met sous tension jusqu'à ce que, sous le contrôle éventuel de repères, on donne à l'entrait une légère contreflèche,
- on dépose alors la triangulation 8 à 11 et on ôte la partie médiane 53 de l'entrait 5,
- en appui sur les montants 15, 16, on pose alors les plancher 18 et habillage 19 et à l'émplacement choisi on monte les moyens d'accés.
To do this, in accordance with the object of the invention
reinforcements 13, 14 are placed on the parts 51, 52 of the entry 5 which are located on either side of its middle part 53 of width corresponding to that of the habitable volume to be released,
- against the rafters 6, 7 and the ends 54, 55 of the entry 5 thus reinforced which are turned towards one another, vertical uprights 15, 16 are fixed, the base 151, 161 of which descends below the 'entered 5 of a certain height "H",
- between the bases 151, 161, a tie rod 17 is placed which is put under tension until, under the possible control of markers, the beam is given a slight jib,
- the triangulation 8 to 11 is then deposited and the middle part 53 of the entry 5 is removed,
- resting on the uprights 15, 16, the floor 18 and covering 19 are then placed and at the chosen location, the access means are mounted.

Dans une variante de réalisation, en plus du renforcement de l'entrait, on opère un renforcement 20 des arbalétriers 6, 7. In an alternative embodiment, in addition to the reinforcement of the tie, a reinforcement 20 of the rafters 6, 7 is operated.

La transformation précitée peut évidemment ne concerner qu'une partie de la maison telle celle où, à l'étage inférieur l'abaissement du plafond ne constituera pas une gêne et par exemple celle comprenant des chambres. The aforementioned transformation can obviously only concern a part of the house, such as the one where, on the lower floor, lowering the ceiling will not be a problem, for example that comprising bedrooms.

Dans ce cas, à la séparation entre la partie transformée et l'autre partie pourra être simplement fixée une rambarde afin que, depuis la partie de l'étage inférieure non touchée par la transformation, telle celle où se situe le séjour, la dite transformation ait l'aspect d'une mezzanine. In this case, to the separation between the transformed part and the other part can be simply fixed a guardrail so that, from the part of the lower floor not affected by the transformation, such as that where the living room is located, the said transformation looks like a mezzanine.

Les moyens en vue de la mise en oeuvre de ce procédé comprennent pour chaque fermette à transformer
- des renforts 13, 14 d'entraits,
- des montants verticaux 15, 16,
- un tirant 17 et accessoirement, des renforts 20 des arbalétriers 6, 7.
The means for implementing this process include, for each farmhouse to be transformed
- reinforcements 13, 14 of ties,
- vertical uprights 15, 16,
- a tie 17 and incidentally, reinforcements 20 of the rafters 6, 7.

Claims (4)

REVENDICATIONS 1. Procédé de transformation de charpente (1) de combles à l'origine dits non aménageables afin de néanmoins permettre de les aménager, lesquelles charpentes (1) sont constituées chacune d'une série de fermettes (2), placées à faible distance les unes des autres qui s'étendent d'un mur de façade (3) à un autre (4) et qui comprennent chacune principalement deux arbalétriers (6, 7) et un entrait (5) qui, pour soutenir la charge du toit qui les sollicite en flexion, sont soutenus par des éléments (8, 9, 10, 11) formant une triangulation, selon lequel procédé de transformation, avant dépose de cette triangulation, sur au moins une partie de la longueur de la charpente et sur les fermettes (2) 1. Method for transforming a frame (1) from an attic originally said to be non-convertible in order nevertheless to allow them to be arranged, which frame (1) each consists of a series of small farms (2), placed at a short distance from the one of the others which extend from one front wall (3) to another (4) and which each comprise mainly two rafters (6, 7) and an entry (5) which, to support the load of the roof which undergoes bending, are supported by elements (8, 9, 10, 11) forming a triangulation, according to which transformation process, before depositing this triangulation, on at least part of the length of the frame and on the trusses ( 2) - on place des renforts (13, 14) sur les parties (51, 52) de l'entrait (5) qui sont situées de part et d'autre de sa partie médiane (53) de largeur correspondant à celle du volume habitable à dégager, - Reinforcements (13, 14) are placed on the parts (51, 52) of the entry (5) which are located on either side of its middle part (53) of width corresponding to that of the living space to clear, - contre les arbalétriers (6, 7) et les extrémités (54, 55) de l'entrait (5) ainsi renforcé qui sont tournées l'une vers l'autre, on fixe des montants verticaux (15, 16) dont la base (151, 161) descend en dessous de l'entrait (5) d'une certaine hauteur (H), - against the rafters (6, 7) and the ends (54, 55) of the tie (5) thus reinforced which are turned towards one another, vertical uprights (15, 16) are fixed, the base of which (151, 161) descends below the entry (5) by a certain height (H), - entre les bases (151, 161) on place un tirant (17) que l'on met sous tension Jusqu'à ce que sous le contrôle de repères, on donne à l'entrait une légère contreflèche, - between the bases (151, 161), a tie rod (17) is placed which is tensioned until, under the control of the markers, the beam is given a slight jib, - on dépose alors la triangulation (8 à 11) et on ôte la partie médiane (53) de l'entrait (5), - the triangulation (8 to 11) is then deposited and the middle part (53) is removed from the entry (5), - en appui sur les montants (15, 16), on pose alors les plancher (18) et habillage (19) et à l'emplacement choisi, on monte les moyens d'accés. - resting on the uprights (15, 16), the floor (18) and covering (19) are then placed and at the chosen location, the access means are mounted. 2. Procédé selon la revendication 1 caractérisé en ce qu'en plus du renforcement de l'entrait, on opère un renforcement (20) des arbalétriers (6, 7). 2. Method according to claim 1 characterized in that in addition to the reinforcement of the tie, there is a reinforcement (20) of the rafters (6, 7). 3. Moyens en vue de la mise en oeuvre du procédé selon la revendication 1 ou 2 caractérisés en ce qu'ils comprennent pour chaque fermette transformée  3. Means for implementing the method according to claim 1 or 2 characterized in that they comprise for each transformed farmhouse - des renforts (13, 14) d'entraits, - reinforcements (13, 14) of ties, - des montants verticaux (15, 16), - vertical uprights (15, 16), - un tirant (17). - a tie rod (17). 4. Moyens selon la revendication 3 caractérisés en ce qu'ils comprennent en outre des renforts (20) des arbalétriers (6, 7).  4. Means according to claim 3 characterized in that they further comprise reinforcements (20) crossbowmen (6, 7).
FR8406911A 1984-04-26 1984-04-26 METHOD FOR CONVERTING A FRAMEWORK AND MEANS FOR CARRYING OUT THIS METHOD Expired FR2563557B1 (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2589913A2 (en) * 1985-10-14 1987-05-15 Lebrun Alain Truss with load-bearing main tie without dragon beam
FR2609083A1 (en) * 1986-12-29 1988-07-01 Gary Pascale Main beam making it possible to convert so-called non-habitable roof spaces in a dwelling
FR2616466A1 (en) * 1987-06-15 1988-12-16 Nadot Charles Acroter for a roof frame
FR3054845A1 (en) * 2016-08-06 2018-02-09 Francis Decock STEEL FRAME WITH VARIABLE GEOMETRY
CN113250484A (en) * 2021-05-21 2021-08-13 安徽海螺建材设计研究院有限责任公司 Concrete warehouse external truss repairing method and concrete warehouse external truss repairing structure
CN114562121A (en) * 2022-03-15 2022-05-31 广东碧通百年科技有限公司 Process for reinforcing inner support frame of historic building
CN115637871A (en) * 2022-12-01 2023-01-24 北京市第三建筑工程有限公司 Construction method of additional horizontal supporting structure for reducing and transforming existing building

Citations (2)

* Cited by examiner, † Cited by third party
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
EP0082776A1 (en) * 1981-12-22 1983-06-29 Salomon, Valérie Method for the transformation of a roof truss, and roof truss elements for carrying out this method

Patent Citations (2)

* Cited by examiner, † Cited by third party
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
EP0082776A1 (en) * 1981-12-22 1983-06-29 Salomon, Valérie Method for the transformation of a roof truss, and roof truss elements for carrying out this method

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2589913A2 (en) * 1985-10-14 1987-05-15 Lebrun Alain Truss with load-bearing main tie without dragon beam
FR2609083A1 (en) * 1986-12-29 1988-07-01 Gary Pascale Main beam making it possible to convert so-called non-habitable roof spaces in a dwelling
FR2616466A1 (en) * 1987-06-15 1988-12-16 Nadot Charles Acroter for a roof frame
FR3054845A1 (en) * 2016-08-06 2018-02-09 Francis Decock STEEL FRAME WITH VARIABLE GEOMETRY
CN113250484A (en) * 2021-05-21 2021-08-13 安徽海螺建材设计研究院有限责任公司 Concrete warehouse external truss repairing method and concrete warehouse external truss repairing structure
CN114562121A (en) * 2022-03-15 2022-05-31 广东碧通百年科技有限公司 Process for reinforcing inner support frame of historic building
CN114562121B (en) * 2022-03-15 2024-04-16 广东碧通百年科技有限公司 Process for reinforcing inner support frame of ancient building
CN115637871A (en) * 2022-12-01 2023-01-24 北京市第三建筑工程有限公司 Construction method of additional horizontal supporting structure for reducing and transforming existing building

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