Static structures (e.g. – buildings) – Three-way corner construction – Floor supports walls
Reexamination Certificate
1998-06-15
2001-02-20
Safavi, Michael (Department: 3635)
Static structures (e.g., buildings)
Three-way corner construction
Floor supports walls
C052S403100, C052S480000
Reexamination Certificate
active
06189274
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to a horizontal frame structure for a building, the structure being based on floor joists/beams which are placed over the area supported by the horizontal frame structure and arranged into a single- or multi-layer staggered array. The horizontal frame structure can be used in a ground floor, party floor or top-level floor. The horizontal frame structure according to the invention facilitates the division of the area or space supported by the horizontal frame structure into subareas or segregated spaces which are effectively insulated from each other against flanking transmission of sound.
The present horizontal frame structure is particularly intended for use in lightweight buildings for the purpose of preventing flanking transmission of sound via structural elements between the spaces supported by the present horizontal frame structure. While the present invention is primarily intended for use in timber buildings, the invention may also be adapted to frame structures implemented by means of other materials.
BACKGROUND OF THE INVENTION
Transmission of structurally propagated sound called flanking transmission between the different areas or spaces of a building is a problem particularly in buildings erected with lightweight materials lacking such inertial masses that normally provide sound insulation. Conventionally, insulation against flanking transmission between segregated spaces of a single storey in a lightweight building has been implemented by providing each space to be sound-insulated with an unconnected vertical frame structure to which the load-bearing floor joists of each isolated space are then supported. Such a bordering principle of sound-insulated spaces based on unconnected vertical frame structures makes the space reservations of superimposed spaces dependent on each other and destroys the flexibility of space layout.
Furthermore, such a sound-insulating frame structure raises a need for an essentially overdimensioned foundation with respect to the overall weight of the building, since the support structures of the building's vertical frame are erected at points determined by the structural grid of the sound-insulated spaces onto the building's square area footprint, and each load-bearing column requires a separate load-receiving reinforcement in the building's foundation.
SUMMARY OF THE INVENTION
It is an object of the present invention to overcome the above-described drawbacks by virtue of the horizontal frame structure according to the invention. A particular benefit of the invention is that it permits independent layout of the sound-insulated areas and spaces partitioned over the area of the present horizontal frame structure regardless of the location of the supporting structures. This same freedom in the location of structures applies to both the spaces on the same level with the horizontal frame structure and those located thereabove and thereunder. The horizontal frame structure according to the invention facilitates the use of a simple frame structure, wherein the factors affecting the location of the vertical frame members are rationally based on the load-bearing capability of vertical frame building elements rather than on the need for sound insulation.
REFERENCES:
patent: 2743487 (1956-05-01), Kuhlman
patent: 4854099 (1989-08-01), Kristoffersen
patent: 5581965 (1996-12-01), Jorgensen et al.
patent: 466625 (1992-01-01), None
patent: 767152 (1934-07-01), None
patent: WO 91/19064 (1991-12-01), None
Svensk Byggtjanst, Svensk Byggkatalog, okt -94, Hafte 25, sid 21, “Varnamo Stomljudsisoleringslist”.
Pollock, Vande Sande & Amernick RLLP
Safavi Michael
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