WO2015150523A1 - Tragstruktur einer abdeckung - Google Patents
Tragstruktur einer abdeckung Download PDFInfo
- Publication number
- WO2015150523A1 WO2015150523A1 PCT/EP2015/057324 EP2015057324W WO2015150523A1 WO 2015150523 A1 WO2015150523 A1 WO 2015150523A1 EP 2015057324 W EP2015057324 W EP 2015057324W WO 2015150523 A1 WO2015150523 A1 WO 2015150523A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- thickness
- cover
- carrier
- support structure
- structure according
- Prior art date
Links
- 239000000969 carrier Substances 0.000 claims abstract description 5
- 230000003247 decreasing effect Effects 0.000 claims abstract description 5
- 229910001141 Ductile iron Inorganic materials 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 2
- 238000005266 casting Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 description 6
- 230000007704 transition Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
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
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
-
- 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
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
- E02D29/1454—Non-circular covers, e.g. hexagonal, elliptic
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/06—Gully gratings
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2200/00—Geometrical or physical properties
- E02D2200/16—Shapes
- E02D2200/1628—Shapes rectangular
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
- E02D2300/0031—Steel; Iron in cast iron form
Definitions
- the invention relates to a support structure of a cover according to the preamble of claim 1.
- Covers for built into the ground structures are z. B. from the
- Covers of this type are often made of cast iron or plastic. In order to require as little material as possible, the covers are constructed, on the one hand, with a portion forming the surface and, on the other hand, with support structures which support this surface. Although the known from the aforementioned documents covers or their support structures are stable, but their cost of materials is considerable.
- the invention is based on the object to further develop a support structure of the type mentioned in that with the same stability can be used with a reduced cost of materials.
- This object is achieved by a support structure according to claim 1 and a method for producing such according to claim 5.
- this object is achieved in a support structure of a cover of a built into the ground structure, eg a shaft or gutter, wherein the cover has a drive-over surface and the support structure extends below this down, in the building and in such a bar-shaped carrier has that whose lower, the surface facing away from the carrier sides load a load on the surface, achieved in that between two areas with minimal tension a thickness of the carrier substantially symmetrically up to a maximum value and then decreasing again to form a - in a bottom view the cover - convex shape is formed.
- the support is dimensioned larger in its height, so in its dimension in the vertical direction, but in its thickness, so that in a horizontal section, a kind of spindle shape is formed.
- this change in thickness it is possible to combine this change in thickness at the same time with a change in the height of the support structure.
- the cover is preferably formed as a one-piece casting, which allows a very simple production.
- the formation is preferred as nodular cast iron part, whereby a high stability is made possible.
- the thickness of the carrier defining, mutually facing support side surfaces are preferably formed in the direction of the surface (ie in the installed state from bottom to top) diverging to form Entformungsschrägen.
- the angle of inclination of these surfaces remains the same over the entire length of the carrier, so it is unchanged in the thinner areas of the carrier with respect to the thicker areas of the carrier. This ensures optimal removal of the shaping model from the molding material (foundry sand).
- a first thickness of the carrier for receiving a predetermined load is determined on the basis of a constant over the length of the carrier thickness
- a second thickness of the beams in the areas of minimum tension is determined to accommodate the predetermined load, based on a constant thickness along the length of the beam; and
- the thickness of the carriers is determined to be increasing from the second thickness to the first thickness and decreasing again to the second thickness. Care is taken to ensure that no abrupt transitions occur.
- FIG. 2 is a view along the line II-II of FIG. 1,
- FIGS. 1 and 2 are a bottom view of the cover of FIGS. 1 and 2,
- Fig. 4 is an enlarged view of the area IV of Fig. 3, and
- Fig. 5 is a plan view of an inventively designed
- a manhole cover which is made of ductile iron.
- This manhole cover comprises a support structure 20 consisting of eight radially extending supports 21 which extend inwardly from an outer edge of the cover 10 by an amount shorter than the radius.
- the carrier 21 rise - as is apparent in particular from Fig. 2 - from the outer edge inwardly in their height and are connected at their inner ends by eight, arranged in a regular octagon carrier 23 together.
- the inner supports 22 When loaded vertically from above onto the (incorporated) cover 10, the inner supports 22 thus catch substantially pure tensile loads exerted by the supports 21, in particular by their (in the installed state) lower sides on the lower support sides 24 of the supports 22 be transmitted.
- the beams 22 act in the regions A, A 'adjacent to the "docking areas" at the ends of the beams 22, the relatively lowest tensile load, in a central area M between the areas A, A' now the carrier 21 is made with a greater thickness D than in the areas A, A 'adjacent to the ends of the carrier 22.
- the thickness D of the supports 21 to be demanded for a given load on the cover 10 is determined, with the proviso that the support 21 has a constant thickness D. It is then determined which load is present in the regions A, A ', that is to say in the region of the transitions to the radially extending supports 22, from which in turn the necessary material thickness of a (constant thickness) carrier is derived. Finally, a uniform and jump-free transition between these two thicknesses is derived. This results in a material savings in the areas that do not have to have the maximum thickness, a procedure that leads to surprisingly large material savings.
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Floor Finish (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL15712985T PL3126580T3 (pl) | 2014-04-03 | 2015-04-02 | Struktura nośna pokrywy |
BR112016023045-0A BR112016023045B1 (pt) | 2014-04-03 | 2015-04-02 | Estrutura de suporte de uma cobertura e processo para o dimensionamento da mesma |
RU2016143152A RU2649704C1 (ru) | 2014-04-03 | 2015-04-02 | Несущая структура перекрытия |
AU2015239066A AU2015239066B2 (en) | 2014-04-03 | 2015-04-02 | Support structure of a cover |
EP15712985.9A EP3126580B1 (de) | 2014-04-03 | 2015-04-02 | Tragstruktur einer abdeckung |
CN201580018206.XA CN106133247B (zh) | 2014-04-03 | 2015-04-02 | 覆盖件的承载结构 |
US15/129,257 US10428488B2 (en) | 2014-04-03 | 2015-04-02 | Support structure of a cover |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014104744.3 | 2014-04-03 | ||
DE102014104744.3A DE102014104744A1 (de) | 2014-04-03 | 2014-04-03 | Tragstruktur einer Abdeckung |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015150523A1 true WO2015150523A1 (de) | 2015-10-08 |
Family
ID=52774271
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2015/057324 WO2015150523A1 (de) | 2014-04-03 | 2015-04-02 | Tragstruktur einer abdeckung |
Country Status (9)
Country | Link |
---|---|
US (1) | US10428488B2 (de) |
EP (1) | EP3126580B1 (de) |
CN (1) | CN106133247B (de) |
AU (1) | AU2015239066B2 (de) |
BR (1) | BR112016023045B1 (de) |
DE (1) | DE102014104744A1 (de) |
PL (1) | PL3126580T3 (de) |
RU (1) | RU2649704C1 (de) |
WO (1) | WO2015150523A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4053350B1 (de) | 2021-03-04 | 2024-01-03 | Hauraton GmbH & Co. KG | Lastabtragende halbzeugstruktur |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2358750A (en) * | 1942-08-26 | 1944-09-19 | Cast Stone Inst | Cover for manholes or the like |
EP1031664A1 (de) * | 1997-02-06 | 2000-08-30 | Mark D. Pulver | Parabolabdeckung für eine Bodenöffnung |
US20030039510A1 (en) * | 2001-08-21 | 2003-02-27 | Huan-Chang Kuan | Jump-proof manhole/handhole |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1548767A (en) * | 1925-08-04 | steele | ||
US2208973A (en) * | 1939-08-02 | 1940-07-23 | Madison Silo Company | Silo roof structure |
US3046853A (en) * | 1959-03-02 | 1962-07-31 | Legendre Cyrille | Manhole closure |
US3920347A (en) * | 1973-10-29 | 1975-11-18 | Roby Ind Inc | Manhole cover |
DE3530128A1 (de) * | 1985-08-23 | 1987-02-26 | Richard Dannhaeuser | Schachtabdeckung |
GB8702222D0 (en) * | 1987-02-02 | 1987-03-11 | Lighthorne L | Roadway furniture |
DE8712074U1 (de) * | 1987-09-05 | 1987-10-15 | Gatic Schachtabdeckungs-Vertriebs GmbH, 5407 Boppard | Deckel für Revisionsschächte |
US4890425A (en) * | 1988-07-05 | 1990-01-02 | Terrashield, Incorporated | Airtight sump crock cover |
USD350814S (en) * | 1992-06-16 | 1994-09-20 | Owl 1990 Trust | Drywell cover |
US5482400A (en) * | 1994-10-03 | 1996-01-09 | National Rubber Technology Inc. | Segmented adjustment riser |
AT1293U1 (de) * | 1996-03-19 | 1997-02-25 | Fleischhacker Gerhard | Abdeckung für einen abwasserschacht |
US6319176B1 (en) * | 1999-07-28 | 2001-11-20 | Hampton Fitness Products, Ltd. | Weightlifting plate |
DE20315709U1 (de) * | 2003-10-09 | 2004-07-22 | Hydrotec Technologies Gmbh & Co. Kg | Deckel einer Schachtabdeckung sowie Schachtabdeckung |
JP4293930B2 (ja) * | 2004-03-29 | 2009-07-08 | 株式会社ダイケン | グレーチング |
DE102004023831B4 (de) * | 2004-05-13 | 2009-09-03 | Aco Severin Ahlmann Gmbh & Co. Kg | Abgedeckter Kunststoffriegel |
DE102004023830A1 (de) | 2004-05-13 | 2005-12-08 | Aco Severin Ahlmann Gmbh & Co. Kg | Schutzrippe |
USD615665S1 (en) * | 2006-05-17 | 2010-05-11 | Saint-Gobain Pam | Gully cover |
WO2007141035A1 (de) * | 2006-06-08 | 2007-12-13 | Mea Polymer Beton B.V. | Rostabdeckung und verfahren zur herstellung von rostabdeckungen aller belastungsklassen und nennweiten |
USD576257S1 (en) * | 2007-11-28 | 2008-09-02 | Rainwater Management Solutions | Siphonic roof drain |
US7914227B2 (en) * | 2008-05-15 | 2011-03-29 | Energy Products, Llc | Thermally and electrically insulated composite manhole covers |
US8469628B2 (en) * | 2009-06-29 | 2013-06-25 | J.S. Land Management Corporation | Utilities access closure |
AU329418S (en) * | 2009-11-23 | 2010-01-29 | Pusher tool | |
CN201778342U (zh) * | 2010-07-23 | 2011-03-30 | 范正 | 井盖专用无焊点整体骨架 |
DE102011051545A1 (de) | 2011-07-04 | 2013-01-10 | Aco Severin Ahlmann Gmbh & Co. Kg | Schachtabdeckung mit einer Tragstrukturvorrichtung und Verfahren zum Herstellen einer Schachtabdeckung |
CN203238668U (zh) * | 2013-05-10 | 2013-10-16 | 鲁应乾 | 一种隐形井盖 |
-
2014
- 2014-04-03 DE DE102014104744.3A patent/DE102014104744A1/de not_active Withdrawn
-
2015
- 2015-04-02 CN CN201580018206.XA patent/CN106133247B/zh not_active Expired - Fee Related
- 2015-04-02 PL PL15712985T patent/PL3126580T3/pl unknown
- 2015-04-02 AU AU2015239066A patent/AU2015239066B2/en active Active
- 2015-04-02 EP EP15712985.9A patent/EP3126580B1/de active Active
- 2015-04-02 RU RU2016143152A patent/RU2649704C1/ru active
- 2015-04-02 WO PCT/EP2015/057324 patent/WO2015150523A1/de active Application Filing
- 2015-04-02 US US15/129,257 patent/US10428488B2/en active Active
- 2015-04-02 BR BR112016023045-0A patent/BR112016023045B1/pt not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2358750A (en) * | 1942-08-26 | 1944-09-19 | Cast Stone Inst | Cover for manholes or the like |
EP1031664A1 (de) * | 1997-02-06 | 2000-08-30 | Mark D. Pulver | Parabolabdeckung für eine Bodenöffnung |
US20030039510A1 (en) * | 2001-08-21 | 2003-02-27 | Huan-Chang Kuan | Jump-proof manhole/handhole |
Also Published As
Publication number | Publication date |
---|---|
DE102014104744A1 (de) | 2015-10-08 |
AU2015239066A1 (en) | 2016-10-13 |
US20170107682A1 (en) | 2017-04-20 |
CN106133247B (zh) | 2017-11-24 |
PL3126580T3 (pl) | 2018-12-31 |
EP3126580A1 (de) | 2017-02-08 |
AU2015239066B2 (en) | 2017-04-20 |
CN106133247A (zh) | 2016-11-16 |
US10428488B2 (en) | 2019-10-01 |
BR112016023045B1 (pt) | 2022-05-03 |
EP3126580B1 (de) | 2018-06-06 |
BR112016023045A2 (de) | 2017-08-15 |
RU2649704C1 (ru) | 2018-04-04 |
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