EP0967333B1 - Stützwand - Google Patents
Stützwand Download PDFInfo
- Publication number
- EP0967333B1 EP0967333B1 EP99890206A EP99890206A EP0967333B1 EP 0967333 B1 EP0967333 B1 EP 0967333B1 EP 99890206 A EP99890206 A EP 99890206A EP 99890206 A EP99890206 A EP 99890206A EP 0967333 B1 EP0967333 B1 EP 0967333B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- elements
- wall
- filling material
- support
- retaining wall
- 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.)
- Expired - Lifetime
Links
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
- E02D29/0225—Retaining or protecting walls comprising retention means in the backfill
Definitions
- the invention relates to a supporting wall according to the preamble of claim 1.
- Retaining wall structures of this type are based on the ground-anchor composite principle, wherein a front wall formed from front panels with the backfilled filling material behind it united to a composite body, creating a safeguard against landslides is possible.
- the usually staggered front elements are by corrosion-resistant tension elements laid on the back of the wall Connecting elements connected, whereby the front elements are held in position.
- the tension elements can also be anchored to friction in the filler.
- both outer walls can consist of front elements.
- the actual wall body forms thereby layered compacted filling material, which through the Front elements and the tension elements prevented from dodging and thereby like a Composite body is used to a common supporting effect.
- the aim of the invention is to avoid this disadvantage and a supporting wall of the above to suggest the kind mentioned, which are relatively slow going against Changes in position of the filling material during or after the erection of the retaining wall is insensitive and in which a concentration of forces from front element to Front element is avoided.
- the proposed measures ensures that a vertical, or in the wall plane to the rear plastically deformable construction results because the sizing of the front elements according to the compaction of the filler in the Wall structure in the due to the honeycomb structure plastically relatively deformable Support elements reduces their height.
- the supporting wall according to the invention is therefore not rigid but a deliberately deformable designed structure.
- the proposed support elements is a static for each front element certain Auflagerart and thus created a constraint-free storage, whereby the entire retaining wall according to the invention remains insensitive to deformation.
- FIG. 1 shows a support wall, a slope 10 against Slipping secures.
- the supporting wall shown is also for dams, ramparts and Noise protection dams or similar slip-resistant structures suitable.
- the support wall front elements 1 are provided with a compacted filling material 11th are backfilled, in which with the front elements 1 firmly connected tension elements. 2 are anchored.
- the preferably corrosion-resistant tension elements 2 point at their free ends, not shown deflecting elements, which act on the front elements Forward shift forces to the filler 11. It can be the tension elements 2 but be anchored only by friction in the filler.
- the wall body forms beside the Front elements 1, for example, from angle-shaped reinforced concrete precast with Side walls may be formed, layer-by-layer compacted filler 11. Der suchart Wall body formed by the front elements 1 and the tension elements 2 on Dodge prevented and thus as a composite body to a common Carrying used.
- the front elements 1 to form fillable with filler material Intermediate spaces or chambers arranged in groups offset from each other ( Figure 3). It However, the front elements 1 can also be installed in each abutting position.
- the Filler material may consist of the material that naturally occurs in the slope, e.g. Earth, or it may be an artificial bed, e.g. Gravel or similar act.
- plastically deformable Compression support elements 4 are arranged, which support elements 4 on occurrence a predeterminable pressure in the vertical direction their height, preferably corresponding the compression of the filling material 11 during wall construction, reduce.
- Support elements which have been found to be particularly suitable have been made of plastic plates are formed with a - seen in position of use - vertical honeycomb structure. Upon occurrence a predeterminable load, these honeycomb constructions are compressed and give so according to the load occurring.
- FIG. 5 shows an example of a force-settlement diagram for a device according to the invention Specified support wall, where as ordinate the deformation ⁇ and as abscissa of the vertical, in the support wall occurring pressure ⁇ are applied.
- ⁇ the deformation ⁇
- abscissa of the vertical in the support wall occurring pressure ⁇
- ⁇ the deformation ⁇
- abscissa of the vertical in the support wall occurring pressure ⁇
- the preferably honeycomb-like support elements 4 are to plastically fail at a predeterminable, occurring pressure ⁇ B without significant increase in force (plastic deformation region B4), eg due to breakage of the honeycomb structure which takes place at the break point of the working line.
- This proportion of the deformation corresponds approximately to the compensating settlement of the precompressed composite body of the support wall under the influence of the overall resulting from the weight of the filler and the vertical portion of the active earth pressure on the supporting wall according to the invention and depends very much on the soil properties of the filler and the quality of compaction , After complete failure remains as a further proportion of the height of a residual height of the support elements.
- d d e + d p + d r
- d e elastic
- d p plastic
- d r residual height: As a residual height, for example, 3 mm is assumed.
- the total height or thickness of the support elements is thus 10 mm, so so 30mm height of the support elements per meter wall height, which are about 3% deformable elements between the finished parts, are provided.
- each individual front element 1 is one Front element share each on two arranged at the ends compression support elements 4 as Einfeldmik, which in turn on the front elements 1 of underlying front element share or rest on the foundation.
- the resulting deformability of the wall allows the otherwise during construction compensate occurring stresses in the building, thereby automatically a balanced state within the retaining wall sets.
- the front elements 1 of Support wall come through it not directly in touch and are therefore also not directly in force transmission contact, wherein the between the front elements. 1 arranged support elements 4 only compressive forces, so the vertical component of the To absorb earth pressure.
- the tension elements 5 are firmly connected to the front elements 1, while the remaining tension elements 6 are not connected to the front elements 1, but in the with Filling material 11 filled spaces between the displaced front elements. 1 end, so that these tension elements 6 come to rest only within the filling material 11.
- the tension elements 5,6 can be horizontal or inclined in the filler 11 extend, so are in the filling and compression process of the filler of installed at the bottom upwards. Furthermore, the filling material 11 in the interstices of covered by a layer of vegetation-capable soil material, which is a planting allows. 2 shows a particular application of the support wall according to the invention, wherein a dam construction is formed from two opposite support walls, which is the Bulk material 11 and the dam body 10 secures against slipping.
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Retaining Walls (AREA)
- Piles And Underground Anchors (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
- Saccharide Compounds (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
- Supports Or Holders For Household Use (AREA)
- Finger-Pressure Massage (AREA)
Description
de (elastisch):
Unter der Annahme einer elastischen Verformung von 10% ergibt sich bei einem 10mm dicken Auflagerelement de= 1,0 mm.
dp (plastisch):
Für den plastischen Anteil wird als Steifezahl des Füllmaterials s = 6 MN/m2 (6000 kN/m2) angenommen. Bei einer h = 6,0 m hohen Wand mit einem Raumgewicht des Füllmaterials von G = 18 kN/m3 beträgt die Füllmaterialpressung σ = G x h =108 kN/m2. Unter diesem Druck verformt sich das Füllmaterial um ε = σ/s = 0,018 der Wandhöhe. Bei einer Scharhöhe der Frontelemente von hs = 0,333 m beträgt daher der plastische Anteil an der Höhe der Auflagerelemente dp = hs x ε = 0,006 m.
dr (Resthöhe):
Als Resthöhe wird beispielsweise 3 mm angenommen.
Die Gesamthöhe bzw. -stärke der Auflagerelemente beträgt somit 10 mm, sodaß also 30mm an Höhe der Auflagerelemente je Meter Wandhöhe, das sind ca. 3% verformbare Elemente zwischen den Fertigteilen, vorzusehen sind.
Claims (3)
- Stützwand, insbesondere zur Abstützung von Hängen, Dämmen, Lärmschutzdämmen o.ä., mit über Zugelemente in einem Füllmaterial verankerten Frontelementen, die gegebenenfalls unter Ausbildung von mit dem Füllmaterial befüllbaren Zwischenräumen scharenweise gegeneinander versetzt angeordnet sind, wobei zwischen den Scharen der Frontelemente verformbare Auflagerelemente (4) angeordnet sind, dadurch gekennzeichnet, dass die Auflagerelemente (4) aus plastisch verformbaren Kunststoffplatten mit einer - in Gebrauchslage gesehen - vertikalen Wabenstruktur gebildet sind, wobei die Wabenstruktur bei einer vertikalen, plastischen Verformung auch horizontal verschiebbar ist.
- Stützwand gemäß Anspruch 1, dadurch gekennzeichnet, dass bis zu einer Belastung, die im wesentlichen dem Eigengewicht der Frontelemente entspricht, die Auflagerelemente (4) sich nur gering verformen und bei Überschreiten dieser Last ein fast völliges Versagen der Auflagerelemente (4) auftritt.
- Stützwand gemäß Anspruch 1 oder 2, dadurch gekennzeichnet, dass ein Teil der im Füllmaterial (11) verankerten Zugelemente (5, 6) frontelementseitig nicht mit den Frontelementen (1) verbunden ist, sondern im Füllmaterial (11) der zwischen den Frontelementen (1) ausgebildeten Zwischenräume endet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT99890206T ATE254700T1 (de) | 1998-06-24 | 1999-06-24 | Stützwand |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT0109698A AT409774B (de) | 1998-06-24 | 1998-06-24 | Stützwand |
| AT109698 | 1998-06-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0967333A1 EP0967333A1 (de) | 1999-12-29 |
| EP0967333B1 true EP0967333B1 (de) | 2003-11-19 |
Family
ID=3506510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP99890206A Expired - Lifetime EP0967333B1 (de) | 1998-06-24 | 1999-06-24 | Stützwand |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0967333B1 (de) |
| AT (2) | AT409774B (de) |
| DE (1) | DE59907773D1 (de) |
| ES (1) | ES2212515T3 (de) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2055983A5 (de) * | 1969-08-14 | 1971-05-14 | Vidal Henri | |
| US3922864A (en) * | 1974-02-25 | 1975-12-02 | Hilfiker Pipe Co | Stringer for retaining wall construction |
| GB2014222A (en) * | 1977-11-15 | 1979-08-22 | Transport Secretary Of State F | Reinforced Earth Structures |
| CH644918A5 (en) * | 1979-10-25 | 1984-08-31 | Vollenweider Ulrich | Wall structure |
| AT383167B (de) * | 1980-03-05 | 1987-05-25 | Ebenseer Betonwerke Gmbh | Stuetzbauwerk |
| FR2623222A1 (fr) * | 1987-11-13 | 1989-05-19 | Vidal Henri | Parement pour structures en terre et procede de construction |
-
1998
- 1998-06-24 AT AT0109698A patent/AT409774B/de not_active IP Right Cessation
-
1999
- 1999-06-24 EP EP99890206A patent/EP0967333B1/de not_active Expired - Lifetime
- 1999-06-24 AT AT99890206T patent/ATE254700T1/de not_active IP Right Cessation
- 1999-06-24 DE DE59907773T patent/DE59907773D1/de not_active Expired - Lifetime
- 1999-06-24 ES ES99890206T patent/ES2212515T3/es not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| AT409774B (de) | 2002-11-25 |
| ATA109698A (de) | 2002-03-15 |
| EP0967333A1 (de) | 1999-12-29 |
| ES2212515T3 (es) | 2004-07-16 |
| DE59907773D1 (de) | 2003-12-24 |
| ATE254700T1 (de) | 2003-12-15 |
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