WO2003046305A1 - Frontal butt connection between two roof slab elements of a flat roof and corresponding roof slab element - Google Patents
Frontal butt connection between two roof slab elements of a flat roof and corresponding roof slab element Download PDFInfo
- Publication number
- WO2003046305A1 WO2003046305A1 PCT/DE2002/004209 DE0204209W WO03046305A1 WO 2003046305 A1 WO2003046305 A1 WO 2003046305A1 DE 0204209 W DE0204209 W DE 0204209W WO 03046305 A1 WO03046305 A1 WO 03046305A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pockets
- roof panel
- roof
- undercuts
- slab
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
- E04D3/36—Connecting; Fastening
- E04D3/361—Connecting; Fastening by specially-profiled marginal portions of the slabs or sheets
- E04D3/362—Connecting; Fastening by specially-profiled marginal portions of the slabs or sheets by locking the edge of one slab or sheet within the profiled marginal portion of the adjacent slab or sheet, e.g. using separate connecting elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
- E04D3/24—Roof covering by making use of flat or curved slabs or stiff sheets with special cross-section, e.g. with corrugations on both sides, with ribs, flanges, or the like
- E04D3/30—Roof covering by making use of flat or curved slabs or stiff sheets with special cross-section, e.g. with corrugations on both sides, with ribs, flanges, or the like of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
- E04D3/36—Connecting; Fastening
- E04D3/365—Connecting; Fastening by simple overlapping of the marginal portions with use of separate connecting elements, e.g. hooks or bolts for corrugated sheets
Definitions
- the invention relates to a butt joint between two roof panel elements of a flat roof and a roof panel element suitable for this purpose, which has undercuts, grooves or pockets molded into its profile walls and the roof panel elements to be butted have the same profile cross section with the same profile size.
- Roof sheet elements are mostly so-called trapezoidal sheets with evenly alternating raised and lowered beads, which rest on the purlins of a flat roof and are usually covered with an insulating material and sealed with plastic or bitumen membranes. The insulation and sealing materials are attached mechanically. This is done using screws and large-area load distribution plates or using plastic screw combinations.
- Plastic screw combinations each consist of a hollow shaft made of plastic, in which a screw is sunk. The screws have a drill tip that cuts into the roof panel element. With conventional roof panel elements, the screws penetrate the roof panel in the area of the top panel and are visible from the inside of the building, which can be disadvantageous not only visually but also in terms of susceptibility to corrosion.
- the roof panel elements shaped in this way can no longer be laid overlapping in the end joint area, ie in the case of the so-called cross joint, since this is no longer permitted by the pockets and grooves formed in the sheet metal walls.
- the butt joints are made, for example, with transition plates.
- FR 1 491 552 describes a trapezoidal sheet which is used for
- Bulges is provided in which fasteners can be anchored.
- a receiving profile is provided at the end of the trapezoidal sheets, which is formed by deforming the relevant end so that the flat, slightly expanded sections lie exactly against the flat sections of the adjacent element.
- the butt joint formed in this way is technically complex because the butt joint requires a deformation of the sheet metal parts and must be mechanically secured in itself. However, this removes the originally gained advantage of the screwless connection.
- the specific run-out of the sheet metal elements does not allow any rotation of the elements, but must always be used in a certain direction. This in turn leads to a relatively high amount of waste and thus to an increased sheet metal requirement.
- the present invention is based on the technical problem of creating a simple and secure butt connection for roof panel elements which have undercuts, grooves or pockets molded into their profile walls. Furthermore, the invention is intended to provide a roof panel element suitable for such a butt joint, the roof panel elements to be butted having the same profile cross section with the same profile size.
- the invention proposes to overlap the roof sheet metal elements in the joint area and thereby to to leave out the undercuts, pockets or grooves in the overlap area of at least one of the roof panel elements.
- An advantageous embodiment of the invention provides that the roof sheet metal elements lie flat on one another at least in the region of their lower chords.
- the pockets are so recessed that they can no longer apply themselves, which would otherwise lead to gaps in the overlap.
- a slot on both sides is selected to remove or leave out the pockets, the top flange with its adjacent surfaces also lie on top of one another.
- the sheets can be pushed into one another or placed on top of one another without the pockets or grooves interfering with one another.
- the slots are designed such that they approximately halve the pockets near the top flange, the remaining pockets encompass the pockets of the sheet metal underneath.
- the upper plate is so elastic in the slot area that it clings largely into the upper flange of the lower plate.
- the roof panel elements can be fastened to one another and / or to the purlin, for example in the area of the overlapping top chords or with their sheet metal surfaces resting on the purlin. It is preferably provided that the slots or the notch extend from the end edge in the longitudinal direction of the roof panel element.
- the first sheet of the laying composite does not have to be changed.
- Each further sheet requires the slots according to the invention only on one end face. The top chord located above the slot is then supported on the top chord of the sheet below.
- roof panel element is notched in the area of its undercuts, pockets or grooves. Since the top chord of the roof panel is not exposed to any static loads, it can be completely disengaged or removed instead of the slits made.
- the slits or notches can be made either at the factory or on site.
- the invention provides a roof panel element for a butt joint according to claim 1, in particular with an almost trapezoidal profile cross section, undercuts, noses or pockets being formed in the profile wall sides thereof and wherein the roof panel elements to be butted have the same profile cross section with the same profile size, which are characterized by this that the roof panel element has slots or a notch on both sides in the area of the undercuts, noses or pockets, which cut out the undercuts, noses or pockets as far as possible and extend from the front edge in the longitudinal direction of the roof panel element parallel to the metal apex.
- Figure 1 shows a cross section of the invention
- Roof sheet element Figure 2 shows the butt joint according to the invention in a side view
- Figure 3 is a perspective view of the invention
- Roof sheet element Figure 4 is an end view of a test specimen
- FIG. 5 shows a side view of the test body from FIG. 4
- FIG. 6 shows a system sketch for an experimental setup
- Figure 7 shows the storage of the test objects on the cut
- Figure 14 is a schematic representation of the constructive
- FIG. 15 is a side view in which the length of the slit is defined 16 shows a front view in which the height of the slit is defined.
- FIG. 17 shows a table of the minimum support widths of the joint.
- FIG. 18 shows a schematic illustration of the possible arrangement of additional connecting means
- a steel trapezoidal sheet profile E 160 from Hoesch is used as roof sheet element 1. This trapezoidal steel sheet is subsequently cold worked on the top chord so that it is possible to attach locking elements to the trapezoidal sheet without screws.
- the roof plate element designated by 1 consists of parallel trapezoidal raised and lowered beads 3 and 4. In FIG. 1, the next deep bead 4 adjoining the raised bead 3 is only indicated.
- the roof panel elements 1 and 2 are butted in an overlapping manner in the region of the purlin denoted by 5.
- the roof panel elements 1, 2 have subsequently molded pockets 8, 9 in their wall sides. Due to this special profile shape, it has so far not been possible to carry out a conventional transverse joint with a structural overlap in the clamping direction as far as possible in accordance with DIN 18807 Part 3, Paragraph 4.6.1.
- the roof panel element 1 therefore has, according to the invention, a slot 11 in its two wall sides 6, 7, which extends from the front edge 12 in the longitudinal direction of the panel and which cuts the pockets 8, 9 approximately in half, so that they extend beyond the pockets 8 " below. 9 " can be put on.
- the roof panel element 1 surrounds the roof panel element 2 underneath in the area of overlap, the two panels with their lower straps 13, 14 and upper straps 16, 17 lying tightly against one another.
- load tests were carried out on the trapezoidal sheet metal sections of the butt construction, which are explained in connection with the following figures. For this purpose, 2.5 m long sections of the modified trapezoidal steel sheet metal sheets were used, in which, as shown in the schematic illustrations in FIGS.
- the upper straps were cut out at a board end to a length of about 25 cm and a height of about 4 cm the notch is designated by reference numeral 15.
- the tests were carried out in accordance with DIN 18807 as so-called end support tests under suction.
- the test set-up required and implemented for this purpose is essentially reproduced in FIGS. 6 and 7.
- This structure corresponds in all essential details to the requirements of the relevant standard.
- a servo-hydraulically controlled 63 kN single test cylinder was used for loading.
- the tests were run away regulated, control variable was the displacement speed of the test cylinder piston.
- the constant displacement speed was 0.08 mm / sec.
- the measured variables were the piston displacement (machine path S) and the resulting force F.
- the electrical measurement signals were recorded using a PC, processed further and recorded directly as force-displacement curves.
- FIG. 9 shows the results of the displacement measurements on the end support.
- FIG. 10 shows the compilation of the statistical evaluation of the loads achieved.
- Figures 11-13 contain the most important dimensions of the trapezoidal sheets tested.
- the assessment of the invention in connection with the carried out Stress tests resulted in the result that an attempt aimed at failure only had to be ended when the screws were removed.
- the tests also led to the finding that the guideline values for the constructive overlap length l ü in the clamping direction according to DIN 18807 are decisive. For trapezoidal profile lower shells with roof sealing on the top, guide values of 50 to 150 mm are given for the overlap length.
- the length of the notch or slit l s should correspond to the guideline values of the overlap length with an additional extension by the amount of the possible assembly gap s (FIG. 14) from existing tolerance and installation deviations. From a static point of view, the length of the slit l s (FIG. 15) and thus also an alternatively possible notching, that is to say a complete removal of the upper chord, is not relevant.
- the slit should, as shown in Figure 16, be limited to the area of the pockets.
- the support widths b A of the elements according to the invention in the area of the transverse joint construction according to FIG. 14 correspond to the minimum support widths of end supports according to DIN 18807 part 3, paragraph 4.2.1, the entirety of which is referred to here.
- the minimum support widths bA 2 from the end of the slitting or the end of the notching in the un weakened area must be observed due to the cross-sectional weakening.
- the minimum support widths depend on the assembly process.
- the unslotted or not-released trapezoidal sheet below is usually not attached to the support immediately after installation. With the slotted or notched trapezoidal sheet at the top, there is the possibility of immediate attachment after installation.
- the minimum support widths recommended for the trapezoidal sheet according to the invention based on DIN 18807 are shown in the table in FIG. 17.
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/496,156 US20050022464A1 (en) | 2001-11-19 | 2002-11-14 | Frontal butt connection between two roof slab elements of a flat roof and corresponding roof slab element |
DE50211091T DE50211091D1 (en) | 2001-11-19 | 2002-11-14 | HEADLINES BETWEEN TWO ROOF TILE ELEMENTS OF A FLAT ROOF AND ROOFING ELEMENT SUITABLE FOR THIS |
EP02803745A EP1446541B1 (en) | 2001-11-19 | 2002-11-14 | Frontal butt connection between two roof slab elements of a flat roof and corresponding roof slab element |
AU2002365458A AU2002365458A1 (en) | 2001-11-19 | 2002-11-14 | Frontal butt connection between two roof slab elements of a flat roof and corresponding roof slab element |
DE10295523T DE10295523D2 (en) | 2001-11-19 | 2002-11-14 | Stirnseitige stossverbindung zwischen zwei dachblechelementen eines flachdachs und hierzu geeignetes dachblechelement |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20118696.9 | 2001-11-19 | ||
DE20118696U DE20118696U1 (en) | 2001-11-19 | 2001-11-19 | Frontal butt joint between two roof panel elements of a flat roof and a suitable roof panel element |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003046305A1 true WO2003046305A1 (en) | 2003-06-05 |
Family
ID=7964084
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2002/004209 WO2003046305A1 (en) | 2001-11-19 | 2002-11-14 | Frontal butt connection between two roof slab elements of a flat roof and corresponding roof slab element |
Country Status (6)
Country | Link |
---|---|
US (1) | US20050022464A1 (en) |
EP (1) | EP1446541B1 (en) |
AT (1) | ATE376107T1 (en) |
AU (1) | AU2002365458A1 (en) |
DE (5) | DE20118696U1 (en) |
WO (1) | WO2003046305A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005055891B4 (en) * | 2004-11-23 | 2009-08-06 | Harald Zahn Gmbh | Fixing of insulating and sealing materials on a steel trapezoidal sheet metal by means of clamping straps |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1176824A (en) * | 1957-06-20 | 1959-04-16 | Wendel Et Cie De | Advanced panel, especially for roofs |
FR1491552A (en) | 1966-07-01 | 1967-08-11 | Profil Sa Ind Financ Le | Improvements to ribbed panels and their applications |
JPS61237742A (en) * | 1985-04-12 | 1986-10-23 | 三晃金属工業株式会社 | Roof joint structure |
DE19943661A1 (en) | 1999-09-13 | 2001-03-15 | Zahn Harald Gmbh | Fastening system for mounting insulation and sealing materials on flat roofs with trapezium-shaped sheet metal supports uses screw inserted through bearer plate into counter panel fitted over retaining components on supports |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US466850A (en) * | 1892-01-12 | Metallic standing-seam roofing | ||
US1706924A (en) * | 1926-06-12 | 1929-03-26 | Truscon Steel Co | Metal roof-deck construction |
US3760545A (en) * | 1971-06-07 | 1973-09-25 | Rooftilers Pty Ltd | Tiling of roofs |
US5737894A (en) * | 1984-01-04 | 1998-04-14 | Harold Simpson, Inc. | Standing seam assembly |
-
2001
- 2001-11-19 DE DE20118696U patent/DE20118696U1/en not_active Expired - Lifetime
-
2002
- 2002-11-14 DE DE50211091T patent/DE50211091D1/en not_active Expired - Lifetime
- 2002-11-14 AT AT02803745T patent/ATE376107T1/en active
- 2002-11-14 EP EP02803745A patent/EP1446541B1/en not_active Expired - Lifetime
- 2002-11-14 US US10/496,156 patent/US20050022464A1/en not_active Abandoned
- 2002-11-14 WO PCT/DE2002/004209 patent/WO2003046305A1/en active IP Right Grant
- 2002-11-14 DE DE10295523T patent/DE10295523D2/en not_active Expired - Fee Related
- 2002-11-14 AU AU2002365458A patent/AU2002365458A1/en not_active Abandoned
- 2002-11-18 DE DE20217862U patent/DE20217862U1/en not_active Expired - Lifetime
- 2002-11-18 DE DE10253826A patent/DE10253826A1/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1176824A (en) * | 1957-06-20 | 1959-04-16 | Wendel Et Cie De | Advanced panel, especially for roofs |
FR1491552A (en) | 1966-07-01 | 1967-08-11 | Profil Sa Ind Financ Le | Improvements to ribbed panels and their applications |
JPS61237742A (en) * | 1985-04-12 | 1986-10-23 | 三晃金属工業株式会社 | Roof joint structure |
DE19943661A1 (en) | 1999-09-13 | 2001-03-15 | Zahn Harald Gmbh | Fastening system for mounting insulation and sealing materials on flat roofs with trapezium-shaped sheet metal supports uses screw inserted through bearer plate into counter panel fitted over retaining components on supports |
Also Published As
Publication number | Publication date |
---|---|
AU2002365458A1 (en) | 2003-06-10 |
EP1446541A1 (en) | 2004-08-18 |
EP1446541B1 (en) | 2007-10-17 |
DE20118696U1 (en) | 2002-02-14 |
DE50211091D1 (en) | 2007-11-29 |
ATE376107T1 (en) | 2007-11-15 |
DE20217862U1 (en) | 2003-04-10 |
US20050022464A1 (en) | 2005-02-03 |
DE10295523D2 (en) | 2004-10-07 |
DE10253826A1 (en) | 2003-05-28 |
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