EP4223938A1 - Fondation sous forme de champignon - Google Patents

Fondation sous forme de champignon Download PDF

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Publication number
EP4223938A1
EP4223938A1 EP23152995.9A EP23152995A EP4223938A1 EP 4223938 A1 EP4223938 A1 EP 4223938A1 EP 23152995 A EP23152995 A EP 23152995A EP 4223938 A1 EP4223938 A1 EP 4223938A1
Authority
EP
European Patent Office
Prior art keywords
mushroom
foundation
shaft
base plate
designed
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.)
Pending
Application number
EP23152995.9A
Other languages
German (de)
English (en)
Inventor
Glenn Koppatsch
René Stöckhardt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LTB Leitungsbau GmbH
Original Assignee
LTB Leitungsbau GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by LTB Leitungsbau GmbH filed Critical LTB Leitungsbau GmbH
Publication of EP4223938A1 publication Critical patent/EP4223938A1/fr
Pending legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/01—Flat foundations
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/32—Foundations for special purposes
    • E02D27/42—Foundations for poles, masts or chimneys
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/32—Foundations for special purposes
    • E02D27/50—Anchored foundations
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/22—Sockets or holders for poles or posts
    • E04H12/2238—Sockets or holders for poles or posts to be placed on the ground

Definitions

  • the invention relates to a mushroom foundation for pylons.
  • Transmission towers are usually founded on concrete foundations. In certain constellations it is necessary to get such a mast site free.
  • support poles or guy poles are anchored or founded with temporary foundations. According to the state of the art, this is done by means of an anchor, which usually has to be installed in open terrain with a corresponding distance.
  • an anchor which usually has to be installed in open terrain with a corresponding distance.
  • concrete foundations which is very expensive and destroys nature. Even after these temporary foundations have been dismantled, damage will remain.
  • a foundation for a mast which has a foundation plate made of concrete with screw bolts embedded in concrete and protruding from the top and an attachment with a recess for receiving the mast foot.
  • the top has on the circumference at the lower end to the outside open mounting recesses, in each of which a mounting insert is concreted, which is anchored with a reinforcement in the top and provided with a section through which the bolt on the foundation plate can be inserted to with to fasten the attachment to the base plate with a nut inserted into the mounting recess and screwed onto the screw bolt.
  • a foundation for a mast with a foundation plate with screw bolts cast in concrete and protruding from the top is known.
  • the foundation comprises an attachment which has mounting recesses which are open towards the outside on the circumference at the lower end.
  • a temporary foundation is in the DE 100 19 177 A1 described for a mobile fence base, with a base, with an upper side arranged opposite the base, with at least one device for receiving a mobile fence element and with at least one recess for lifting the mobile fence base.
  • the GB 1 155 238 A discloses a ground anchor structure and in which FR 2 936 540 A1 describes a base module for the construction of a fence.
  • a disadvantage of concrete foundations and in particular of temporary concrete foundations is that a great deal of effort is required to set up the foundations and to remove them again without harming the environment when the temporary solution is dismantled. In the case of the known foundations and devices, this leads to a considerable space requirement and to the cause of large-scale crop damage.
  • the object of the invention is now to provide a mushroom foundation as a temporary foundation in order to temporarily clear the old mast location of an overhead power line pylon and to reduce crop damage in this context.
  • a mushroom foundation for overhead line pylons which essentially consists of a mushroom base and a mushroom shaft.
  • the mushroom base has a mushroom base plate with stiffening elements and also has a central shaft joint for receiving a lower end of the mushroom shaft.
  • the mushroom shaft has a connection option with a connection element which connects the mushroom shaft to the transmission line pylon.
  • the connecting element is particularly preferably designed as a connecting plate and is designed to be temporarily connectable to the foot frame construction and a corner post of the overhead power line pylon.
  • connection element is advantageously designed so that it can be temporarily connected to the mushroom shaft.
  • connection element is designed as part of the mushroom shaft.
  • connection element is connected to the foot frame construction and the corner post of the overhead line mast and to the mushroom shaft via screw connections.
  • the stiffening element advantageously protrudes perpendicularly from the mushroom base plate.
  • a plurality of stiffening elements are preferably formed in order to stiffen the mushroom base plate over the entire surface.
  • the stiffening elements themselves are advantageously designed as profiles and are connected to the mushroom base plate.
  • the mushroom base itself is advantageously formed from L-profiles, one leg of the L-profile forming the mushroom base plate and one leg of the L-profile forming the stiffening element.
  • the mushroom foundation is preferably made of steel.
  • the mushroom foundations are galvanized and appropriately coated so that they are not susceptible to corrosion.
  • the mushroom foundations there is the possibility of using the mushroom foundations not just as a temporary solution, but as a permanent foundation variant.
  • the additional stiffening elements are advantageously arranged on the mushroom base plate and welded to it.
  • the lower end of the mushroom shaft is advantageously screwed to the shaft joint of the mushroom base.
  • the shaft joint preferably consists of two L-profiles projecting perpendicularly from the mushroom base plate.
  • the mushroom shaft is particularly preferably designed as a cross profile corresponding to the L-profile of the shaft joint.
  • the cross profile of the mushroom shaft consists of two L-profiles welded together at their corners.
  • the foundations according to the invention enable maintenance-free use and can be produced at reduced costs compared to concrete foundations.
  • mushroom foundations as temporary foundations only affects the ground in the immediate vicinity of the old tree branch and does not cause any damage to the ground outside of the existing route.
  • a decisive advantage is the reduction in crop damage through the use of the foundations according to the invention, which can also be produced more cost-effectively, are easily transportable and can be used multiple times.
  • the mushroom foundations can be easily adapted to different mast types using the connection elements and are also easy to calculate statically. In connection with this, there is a good verifiability of the stability as well as the static requirements, which can be verified with the usual and established calculation methods.
  • mushroom foundations are that they can be reused, so that the effort required to produce the foundations is inexpensive compared to other types of provisional arrangement of guy poles.
  • mast anchoring according to the prior art is generally subject to a high subsequent control effort, for example with regard to the anchor prestressing, and a large additional space requirement.
  • the temporary mushroom foundations are basically after appropriate Dimensioning can be used for all variants of existing foundations with a vertical foot anchor entry or at least can be adapted with minimal effort. There is also an adaptability to sloping foundation entrances. Here, the adjustment effort is somewhat greater, but it is fundamentally possible and still lower in comparison with solutions based on the prior art.
  • FIG 1 the lower part of an overhead line pylon with mushroom foundations 1 is shown in a side view.
  • Two corner posts 2 of the pylon are shown in this view, which are connected to each other and to a mushroom foundation 1 via a base frame construction 3 of the pylon.
  • the upper edge of the terrain 5 is shown as a line up to which the mushroom foundations 1 are embedded in the ground.
  • the mushroom foundations 1 essentially consist of a mushroom shaft 6, analogous to a mushroom stalk, and a mushroom foot 4, analogous to a mushroom cap.
  • the mushroom shaft 6 is shown shortened in length.
  • the mushroom foundation 1 is thus, in analogy to a mushroom, buried with the mushroom base 4 down in the ground and the mushroom shaft 6 takes up the corner post 2 of the transmission line pylon at the end protruding from the ground.
  • FIG 2 a mushroom foundation 1 is shown in a perspective view.
  • the Mushroom foundation 1 consisting of the mushroom shaft 6 and the mushroom base 4 is made of steel of conventional steel quality according to the present exemplary embodiment.
  • the mushroom shaft 6 is temporarily connected at its upper end via a connecting element 7 to the corner post 2 and to the foot frame structure 3 of the pylon.
  • screw connections are selected as the connecting means.
  • the upper end of the mushroom shaft 6 is also connected to the connecting element 7 via screw connections.
  • the mushroom foundation 1 can be connected to different types of pylons by simply adapting the connection element 7 to the different types of masts, with possibly different distances for the connecting elements.
  • the connection elements 7 are prefabricated for use with the respective mast type or can be flexibly adapted to the respective mast type from a blank on site.
  • the mushroom shaft 6 extends into the ground from the lower end of the mast foot.
  • the mushroom foundation 1 represents, in the figurative sense, an inverted mushroom whose mushroom cap is surrounded by soil as the lower end of the foundation.
  • the mushroom foundation 1 has a mushroom base 4 which, with the entire surface of its essentially horizontally extending mushroom base plate 10 and the soil above it, develops the foundation effect for the provisional anchoring of the transmission line pylon due to the load of the soil.
  • the horizontal surface of the mushroom base 4 is reinforced by stiffening elements 9 which protrude upwards from the mushroom base plate 10, also known as the mushroom plate.
  • the mushroom base plate 10 is compartmentalized by the stiffening elements 9 and forms chamber-like recesses or receptacles which are open at the top and receive the soil.
  • 10 weighting elements and additional weights can be integrated into the mounts on the mushroom base plate.
  • the shaft joint 8 which forms the receptacle for the mushroom shaft 6 , is arranged centrally in the mushroom foot 4 .
  • the shaft joint 8 is formed from L-profiles which protrude upwards from the mushroom base plate 10 and to which the mushroom shaft 6 is screwed and firmly connected in the lower region.
  • the mushroom foundation 1 can thus be easily dismantled into the mushroom base 4 and the mushroom shaft 6 for transport purposes.
  • the steel mushroom foot 4 absorbs the earth load and the foundation properties of the temporary mushroom foundation 1 can be flexibly adapted to the different mast types and their requirements via the size of the mushroom foot plate 10 and the mushroom shaft length. This means that a stable interim solution can be created as a temporary solution, which can be statically verified using conventional methods. Depending on the type of mast, defined foundation forces are required, which must be achieved and verified by the mushroom foundations 1 in each case.
  • a mushroom base 4 is shown in plan view with a section above the stiffening elements 9 through the cross profile of the mushroom shaft 6 and the L-profile of the shaft joint 8 .
  • the mushroom foot 4 consists of the mushroom foot plate 10 and the stiffening elements 9 attached upwards, which stiffen the mushroom foot plate 10 .
  • the mushroom base plate 10 is flat on its underside and rests on the bottom of the foundation pit for the temporary foundation. In the top view, the mushroom base plate 10 has the stiffening elements 9 that protrude upwards and form chamber-like receptacles for soil or ballast elements on the upper side of the mushroom base plate 10 .
  • the mushroom base 4 itself is composed of individual L-profiles.
  • the horizontal legs of the L-profiles form the mushroom base plate 10 and the vertical legs form the stiffening elements 9.
  • additional stiffening elements 9 are welded onto the mushroom base plate 10 to the mushroom base plate 10 depending on the to stiffen static requirements.
  • the mushroom base plate 10 is designed as a regular convex octagon.
  • Two opposite L-profiles with the lower legs are welded to form a first main axis of a cross. This forms a U-profile.
  • the second main axle is formed by attaching two axle pieces, which are also formed from opposite L-profiles and which extend away from the center of the octagon.
  • the center of the cross is formed by stiffening elements 9 into a chamber with a square plan, which is shown in the detail view 4 is shown enlarged.
  • the areas of the mushroom base plate 10 between the main axes of the cross are in turn compartmentalized by stiffening elements 9, whereby on the one hand the mushroom base plate 10 is stiffened and on the other hand chamber-like receptacles open at the top for soil or weighting elements are formed.
  • the center of the cross of the mushroom base plate 10 is shaped by stiffening elements 9 into a chamber with a square outline and forms the receptacle for the shaft joint 8.
  • This is formed by two L-profiles, which are welded onto the mushroom base plate 10 with their L-shaped cross section.
  • the L-profiles are welded together at their corner edges and extend upwards from the mushroom base plate 10.
  • the L-profiles of the shaft joint 8 have connection points for corresponding connection points of the lower region of the mushroom shaft 6.
  • the shaft joint 8 is preferably connected to the mushroom shaft 6 by means of a screw connection. To transport the mushroom foundation 1, it is separated from the mushroom shaft 6 and mushroom base 4 at the connection point described, in order to be able to move the mushroom foundation more easily.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Foundations (AREA)
EP23152995.9A 2022-02-04 2023-01-24 Fondation sous forme de champignon Pending EP4223938A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202022100654.7U DE202022100654U1 (de) 2022-02-04 2022-02-04 Pilzfundament

Publications (1)

Publication Number Publication Date
EP4223938A1 true EP4223938A1 (fr) 2023-08-09

Family

ID=80929183

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23152995.9A Pending EP4223938A1 (fr) 2022-02-04 2023-01-24 Fondation sous forme de champignon

Country Status (2)

Country Link
EP (1) EP4223938A1 (fr)
DE (1) DE202022100654U1 (fr)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1155238A (en) 1967-03-21 1969-06-18 Swyftite Ltd Ground Anchorage Structure.
US5218805A (en) 1991-08-19 1993-06-15 Superior Precast, Inc. Post assembly and noise barrier wall
JP2000204569A (ja) * 1999-01-18 2000-07-25 Katsuzo Ogawa 鉄塔用基礎ユニット
DE10019177A1 (de) 2000-04-17 2001-10-25 Cabka Plast Kunststoffverarbei Mobilzaunfuß
FR2918400A1 (fr) 2007-07-06 2009-01-09 Alsacof Sarl Lest multifacettes superposable destine a la stabilisation d'elements de construction ou de coffrages verticaux
FR2936540A1 (fr) 2008-09-26 2010-04-02 Elyssa Module de soubassement pour la construction d'une cloture
DE102009053356A1 (de) * 2009-11-17 2011-05-19 Rwe Westfalen-Weser-Ems Netzservice Gmbh Fundament für Freileitungsmast
WO2014012708A1 (fr) * 2012-07-19 2014-01-23 Peter Kellner Dispositif d'ancrage de superstructures dans le sol
DE102007018335B4 (de) 2007-04-18 2015-09-03 Wolfgang Freimoser Fundament für einen Mast
US20150308140A1 (en) * 2014-04-29 2015-10-29 Are Telecom Incorporated Modular monopole tower foundation

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1155238A (en) 1967-03-21 1969-06-18 Swyftite Ltd Ground Anchorage Structure.
US5218805A (en) 1991-08-19 1993-06-15 Superior Precast, Inc. Post assembly and noise barrier wall
JP2000204569A (ja) * 1999-01-18 2000-07-25 Katsuzo Ogawa 鉄塔用基礎ユニット
DE10019177A1 (de) 2000-04-17 2001-10-25 Cabka Plast Kunststoffverarbei Mobilzaunfuß
DE102007018335B4 (de) 2007-04-18 2015-09-03 Wolfgang Freimoser Fundament für einen Mast
FR2918400A1 (fr) 2007-07-06 2009-01-09 Alsacof Sarl Lest multifacettes superposable destine a la stabilisation d'elements de construction ou de coffrages verticaux
FR2936540A1 (fr) 2008-09-26 2010-04-02 Elyssa Module de soubassement pour la construction d'une cloture
DE102009053356A1 (de) * 2009-11-17 2011-05-19 Rwe Westfalen-Weser-Ems Netzservice Gmbh Fundament für Freileitungsmast
WO2014012708A1 (fr) * 2012-07-19 2014-01-23 Peter Kellner Dispositif d'ancrage de superstructures dans le sol
US20150308140A1 (en) * 2014-04-29 2015-10-29 Are Telecom Incorporated Modular monopole tower foundation

Also Published As

Publication number Publication date
DE202022100654U1 (de) 2022-03-11

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