WO1995007396A1 - Self-supporting building system - Google Patents
Self-supporting building system Download PDFInfo
- Publication number
- WO1995007396A1 WO1995007396A1 PCT/NL1994/000250 NL9400250W WO9507396A1 WO 1995007396 A1 WO1995007396 A1 WO 1995007396A1 NL 9400250 W NL9400250 W NL 9400250W WO 9507396 A1 WO9507396 A1 WO 9507396A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- section
- panel
- accordance
- construction system
- sections
- 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
- E04C3/40—Arched girders or portal frames of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
- E04B5/04—Load-carrying floor structures formed substantially of prefabricated units with beams or slabs of concrete or other stone-like material, e.g. asbestos cement
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
- E04B5/04—Load-carrying floor structures formed substantially of prefabricated units with beams or slabs of concrete or other stone-like material, e.g. asbestos cement
- E04B5/06—Load-carrying floor structures formed substantially of prefabricated units with beams or slabs of concrete or other stone-like material, e.g. asbestos cement with beams placed against one another optionally with pointing-mortar
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/02—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs
- E04B7/022—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs consisting of a plurality of parallel similar trusses or portal frames
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/20—Roofs consisting of self-supporting slabs, e.g. able to be loaded
- E04B7/22—Roofs consisting of self-supporting slabs, e.g. able to be loaded the slabs having insulating properties, e.g. laminated with layers of insulating material
-
- 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
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C3/08—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with apertured web, e.g. with a web consisting of bar-like components; Honeycomb girders
-
- 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
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C3/08—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with apertured web, e.g. with a web consisting of bar-like components; Honeycomb girders
- E04C3/09—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with apertured web, e.g. with a web consisting of bar-like components; Honeycomb girders at least partly of bent or otherwise deformed strip- or sheet-like material
-
- 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
- E04C3/29—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures
- E04C3/291—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures with apertured web
-
- 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
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C2003/0486—Truss like structures composed of separate truss elements
- E04C2003/0495—Truss like structures composed of separate truss elements the truss elements being located in several non-parallel surfaces
Definitions
- a building in the (insulated) public utilities category consists of a supporting structure to which insulation covered panels are fitted. Often panels and insulation are combined into a supporting element in the shape of a sandwich panel. Because of the larger spans which are feasible with self ⁇ supporting panels, it is possible to save on the required quantity of trusses or portals. Due to the reduction in weight of the structure which may so be obtained and the subsequent reduction in the required construction time, it is possible to save on the cost of the supporting structure. In a few cases this concept has been carried even further, viz. the sandwich panels have been provided with a rigid supporting element, a stiffening element, as a result of which the span per panel may increase substantially whereas the cost price and the weight of the supporting structure will decrease. The reduction in weight of the supporting structure, however, is followed by an increase in the weight of the panels resulting from the addition of the stiffening element, and consequently the net savings in the construction costs do not fully reflect what is saved on the supporting structure.
- the invention involves a construction system which not only uses stiffened panels but in which the supporting structure is also combined with the panels.
- Point of departure was a well-known stiffening method for (sandwich) panels, as illustrated in figures 1 and 2.
- This method consists of mounting an omega-shaped plate girder 2 under a sandwich panel 1. By filling this girder with a glued-in light core 3 the plate fields of this girder are stabilized, so that plate 2 can be very thin.
- rigid roof element 5 is formed, with which large spans have been realized within the scope of the applicable building regulations.
- the construction of cladding units should be the same as that of the roof elements. A problem, however, is the absorption of vertical forces into the cladding units.
- stiffening elements with an advantageous thickness/cross surface ratio will suffice to absorb the vertical load.
- these sections can be designed very light, provided they can be stabilized against buckling.
- the invention departs from the idea of using comparatively light or slender sections on flat shaped structural elements for the absorption of forces, predominantly directed along the longitudinal plane of the axis of symmetry of the structural element, while the elements themselves assist in stabilizing these sections against buckling or tilting.
- the self-supporting construction system in which the system basically consists of a panel, e.g. an insulation panel, and one or more stiffening elements, such as an omega section, in principle mounted along the longitudinal axis of the panel, features at least one slender or comparatively thin section fitted to the joint between the panel and the stiffening element, in such a way that the composite system can perform every mechanical function of the supporting structures required for a building.
- a panel e.g. an insulation panel
- stiffening elements such as an omega section
- Figures 1 and 2 show a construction system which is the basis of the invention, and which has already been explained in the above introduction;
- Figure 3 shows the embodiment in which a slender section is mounted on the outside of the stiffening section
- Figure 3a shows another embodiment for the stiffening element in figure 3;
- Figure 4 shows an outside wall/roof structure composed of the construction systems in accordance with the invention;
- Figure 5a shows another embodiment for a construction system
- Figure 5b shows an embodiment in accordance with figure 5a, in which two panels were used;
- Figure 6 shows a frame of the construction system in accordance with figure
- Figure 7 shows another advantageous embodiment of the construction system
- FIGS 10a-10c show various outside wall and roof structures using the construction system in accordance with the invention.
- Figure 11 shows an embodiment in accordance with the principle illustrated in figure 5, yet using a single-walled panel.
- the comparatively thin or slender section 8 is fitted to the outside of stiffening element 2.
- Element 2 which as already known is a plate of the omega-shape or cap section, is fitted to (sandwich) panel 1. Construction parts 1, 2 and 8 are interconnected by means of pop rivets 9.
- section 8 is an angle section with an interior angle corresponding to the angle between panel 1 and stiffening section 2. As this is virtually a right angle, the section is stabilized in two planes, so that buckling is impossible.
- Executing section 8 as an L-section yields a restrained, elegant structure which can be produced easily.
- stabilization is provided by (shell) plates 2 of both (sandwich) panel 1 and the (omega) stiffening section, which are subsequently stabilized by their glued-in cores 3 ( Figure 2).
- Figure 3a shows an advantageous embodiment of stiffening element 2, offering an especially safe structure with slender section 8 and construction parts 2a and 4.
- a second element 2a is connected to panel 1 , around and at some distance of the first stiffening element 2.
- Interspace 4 contains a fireproof insulating core 4.
- FIG 5a A preferred embodiment is shown in figure 5a; this may be regarded as a slightly different implementation of the principle applied in the construction system in accordance with figures 3 and 3a.
- a panel 1 is stiffened and made into a supporting element also by utilizing slender sections 10, 11 and 12, which are stabilized against buckling by panel 1 itself.
- plate stiffener 2 is not used, neither to stiffen panel 1 nor for the stabilization of the normal force absorbing slender sections.
- a panel 1 is provided with a slender section 10 which is placed on its upper layer 1a and which is secured in several spots.
- a second section 11 is arranged perpendicularly (in relation to cover surface 1a of section 1) above section 10, at some distance and parallel to it. Both sections 10 and 11 are interconnected by sections 12 which are fitted in a zigzag fashion.
- junctions A will have to transmit great forces from section 10 to section 11, as a result of the bending related relative changes in length between these sections. In fact here the force level is highest.
- the loads on sections 12, which are placed at an angle, are comparatively light, so that even lighter sections may be used here.
- Section 10 U-section 35/45/35*2
- Section 11 round tube 38*1.5
- Section 12 round tube 27*1.5
- the embodiment according to figure 5b is equal to that according to figure 5a; the advantage, however, is that the round section 11 has been replaced by U-section 10, to which a panel 1 is fitted. It turns out that this has a favourable effect on the bearing capacity of the frame thus obtained; said bearing capacity has increased by a factor 6-8.
- stabilizing section 11 section 10 in figure 5a
- the frame has also been stabilized sufficiently since sections/members 12 and 13 are sufficiently short in length to absorb the loads without buckling, without requiring any additional facilities.
- FIG 8. Another advantageous embodiment according to the invention is shown in figure 8. It involves a panel 1 which has been turned at an appropriate angle ⁇ .
- the sides of this panel have also been provided with comparatively slender sections 16 which are interconnectable, in such a way that this system too meets the requirement for safe composition of zigzag shaped walls and/or roofs.
- the extent to which the panels 1 will stabilize the sections 16 against buckling mainly depends on the angle ⁇ at which the panel 1 has been set. Based on a certain load and longitudinal dimension of the panel 1, this angle will also determine the minimal slenderness of the sections 16 fitted to the sides.
- FIG 9 shows another advantageous embodiment, in which now a side 17 of
- FIG. 10a-10c An application of a construction system as shown e.g. in figure 5a is demonstrated in figures 10a-10c.
- the construction systems erected and interconnected form a segment of a hall.
- a saddle-roofed hall, figure 10a requires a minimum of four construction systems.
- This embodiment also uses parts 17, which serve as tie-bars to interconnect sections 11 of the systems. By fitting laterally placed angle sections 18 and strips 19, moment transmitting couplings are obtained when parts 18 and 19 are connected both to the two adjoining (sandwich) panels 1 and to the two adjoining sections 10.
- Such a hall segment with a span of approximately 20 mm and a panel width of 1.15 m has a stiffness per hall segment corresponding to that of an IPE 270 section, which amounts to an equivalent hall structure of one portal frame timber made of IPE 270 sections per 1.15 m.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Building Environments (AREA)
- Rod-Shaped Construction Members (AREA)
- Floor Finish (AREA)
- Panels For Use In Building Construction (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU10786/95A AU1078695A (en) | 1993-09-09 | 1994-09-09 | Self-supporting building system |
EP95901629A EP0672217A1 (en) | 1993-09-09 | 1994-09-09 | Self-supporting building system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL9301558A NL194305C (en) | 1993-09-09 | 1993-09-09 | Building system. |
NL9301558 | 1993-09-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1995007396A1 true WO1995007396A1 (en) | 1995-03-16 |
Family
ID=19862858
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/NL1994/000250 WO1995007396A1 (en) | 1993-09-09 | 1994-09-09 | Self-supporting building system |
Country Status (4)
Country | Link |
---|---|
EP (2) | EP0672217A1 (en) |
AU (1) | AU1078695A (en) |
NL (2) | NL194305C (en) |
WO (1) | WO1995007396A1 (en) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1271542A (en) * | 1960-07-08 | 1961-09-15 | building element | |
FR2048158A5 (en) * | 1969-06-03 | 1971-03-19 | Talagrand Noel | |
FR2156434A1 (en) * | 1971-10-19 | 1973-06-01 | Ctre Tech Indl Const Met | |
DE2701135A1 (en) * | 1977-01-13 | 1978-07-20 | Heinz Hoelter | Fire-proof ceiling panel - has fire-proof material contained between lower shell and upper reinforced layer acting as load bearing surface |
FR2418415A1 (en) * | 1978-02-28 | 1979-09-21 | Isotecnica Spa | T=Shaped beam made from insulating material - joined by corner pieces and capable of being joined in a structure |
WO1980001817A1 (en) * | 1979-02-27 | 1980-09-04 | Frelena Ab | Floor |
DE3933392A1 (en) * | 1988-10-18 | 1990-04-19 | Ruffer Dittmar | Self-supporting expandable constructional plate - has three=dimensional lattice work structure between bottom portion and strip |
-
1993
- 1993-09-09 NL NL9301558A patent/NL194305C/en not_active IP Right Cessation
-
1994
- 1994-09-09 AU AU10786/95A patent/AU1078695A/en not_active Abandoned
- 1994-09-09 WO PCT/NL1994/000250 patent/WO1995007396A1/en not_active Application Discontinuation
- 1994-09-09 EP EP95901629A patent/EP0672217A1/en not_active Withdrawn
- 1994-09-09 EP EP03077967A patent/EP1384833A1/en not_active Withdrawn
-
2001
- 2001-11-29 NL NL9900019A patent/NL195065C/en not_active IP Right Cessation
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1271542A (en) * | 1960-07-08 | 1961-09-15 | building element | |
FR2048158A5 (en) * | 1969-06-03 | 1971-03-19 | Talagrand Noel | |
FR2156434A1 (en) * | 1971-10-19 | 1973-06-01 | Ctre Tech Indl Const Met | |
DE2701135A1 (en) * | 1977-01-13 | 1978-07-20 | Heinz Hoelter | Fire-proof ceiling panel - has fire-proof material contained between lower shell and upper reinforced layer acting as load bearing surface |
FR2418415A1 (en) * | 1978-02-28 | 1979-09-21 | Isotecnica Spa | T=Shaped beam made from insulating material - joined by corner pieces and capable of being joined in a structure |
WO1980001817A1 (en) * | 1979-02-27 | 1980-09-04 | Frelena Ab | Floor |
DE3933392A1 (en) * | 1988-10-18 | 1990-04-19 | Ruffer Dittmar | Self-supporting expandable constructional plate - has three=dimensional lattice work structure between bottom portion and strip |
Also Published As
Publication number | Publication date |
---|---|
NL9301558A (en) | 1995-04-03 |
NL194305C (en) | 2001-12-04 |
EP1384833A1 (en) | 2004-01-28 |
NL194305B (en) | 2001-08-01 |
AU1078695A (en) | 1995-03-27 |
EP0672217A1 (en) | 1995-09-20 |
NL195065C (en) | 2003-07-04 |
NL9900019A (en) | 2002-07-01 |
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