EP3848512B1 - Procédé de création d'un élément de fondation dans le sol et élément de fondation - Google Patents

Procédé de création d'un élément de fondation dans le sol et élément de fondation Download PDF

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Publication number
EP3848512B1
EP3848512B1 EP20150504.7A EP20150504A EP3848512B1 EP 3848512 B1 EP3848512 B1 EP 3848512B1 EP 20150504 A EP20150504 A EP 20150504A EP 3848512 B1 EP3848512 B1 EP 3848512B1
Authority
EP
European Patent Office
Prior art keywords
foundation element
ring
hole
insert body
shaped
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.)
Active
Application number
EP20150504.7A
Other languages
German (de)
English (en)
Other versions
EP3848512A1 (fr
EP3848512C0 (fr
Inventor
Ulli Wiedenmann
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.)
Bauer Spezialtiefbau GmbH
Original Assignee
Bauer Spezialtiefbau 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 Bauer Spezialtiefbau GmbH filed Critical Bauer Spezialtiefbau GmbH
Priority to EP20150504.7A priority Critical patent/EP3848512B1/fr
Priority to US17/634,496 priority patent/US20220298738A1/en
Priority to PCT/EP2020/086375 priority patent/WO2021139978A1/fr
Priority to CN202080070349.6A priority patent/CN114466959A/zh
Publication of EP3848512A1 publication Critical patent/EP3848512A1/fr
Application granted granted Critical
Publication of EP3848512B1 publication Critical patent/EP3848512B1/fr
Publication of EP3848512C0 publication Critical patent/EP3848512C0/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22—Piles
    • E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
    • E02D5/36—Concrete or concrete-like piles cast in position ; Apparatus for making same making without use of mouldpipes or other moulds
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/20—Bulkheads or similar walls made of prefabricated parts and concrete, including reinforced concrete, in situ
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D15/00—Handling building or like materials for hydraulic engineering or foundations
    • E02D15/08—Sinking workpieces into water or soil inasmuch as not provided for elsewhere
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D15/00—Handling building or like materials for hydraulic engineering or foundations
    • E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
    • E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/10—Deep foundations
    • E02D27/12—Pile foundations
    • E02D27/16—Foundations formed of separate piles
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
    • F24T10/00—Geothermal collectors
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2300/00—Materials
    • E02D2300/0004—Synthetics
    • E02D2300/0018—Cement used as binder
    • E02D2300/002—Concrete

Definitions

  • the method according to the invention is characterized in that an insert body is inserted approximately centrally into the hole, which is spaced apart from a peripheral wall of the hole, an annular space being formed between the peripheral wall of the hole and the insert body, and in that the hardenable Mass is introduced, which hardens into an annular foundation element.
  • a ring-shaped design has no significant influence on a load-bearing function of the foundation element, since, as with a solid foundation element, the same skin friction is present on the outer peripheral side, which is particularly important for the load-bearing capacity. Only in the area of the contact area can the ring shape result in a certain reduction in the contact area. By providing a central non-load-bearing area on the contact area of the foundation element the load-bearing capacity is only slightly reduced, but at the same time the hardenable mass required is significantly reduced. This saves costs
  • a preferred embodiment of the invention is that the insert body is ring-shaped.
  • the insert body can essentially only be used to support and form the inner ring contour of the ring-shaped foundation element.
  • the insert body can remain in the foundation element or can be detached from it.
  • the insert body can consist of a metal, in particular steel, or a less stable plastic material.
  • the insert body is to be recovered, it is advantageous according to the invention for the insert body to be surrounded on its outside by a covering element and for the insert body to be withdrawn from the foundation element after the mass has hardened into the annular foundation element, with the covering element being attached to the annular foundation element remains.
  • the covering element can be a thin tube or preferably a foil, a fabric or some other non-dimensionally stable flat structure.
  • the sheath element is attached to the outside of the insert body as a sacrificial element. The covering element can remain on the hardened foundation element, while the insert body can easily be withdrawn from the covering element and used again. This also leads to further material and cost savings.
  • one or more reinforcing elements can be inserted into the ring-shaped intermediate space before the mass hardens.
  • the reinforcement elements can in particular be rods, beams or baskets made of steel.
  • the ring-shaped foundation element is designed to absorb a desired foundation load, in particular a cross-sectional area of the ring-shaped foundation element can be so be designed so that the necessary axial forces can be absorbed and removed via the outer peripheral surface.
  • the foundation element can be designed with a base plate, so that insurgent forces can also be transmitted directly via this base plate of the foundation element, which is otherwise designed with a cavity.
  • the insert body can be designed in one piece. In particular for greater depths and thus for longer foundation elements, it can be expedient according to a further development for the insert body to be constructed from ring-shaped segments.
  • the annular segments can be joined together axially to form a longer insert body.
  • the insert body can have the same diameter over its length or can have a certain conicity, with the diameter increasing towards the top. This makes it easier to withdraw the insert body from the foundation element.
  • a central cavity is surrounded by the ring-shaped foundation element.
  • the central cavity can be used for various purposes, such as inserting a heat exchanger element for geothermal purposes.
  • Heat can be extracted from the ground by means of a heat pump and used for heating purposes, especially in the building that is built on the foundation element.
  • heat can also be dissipated into the ground for cooling purposes, so that air conditioning and cooling in the building can be achieved, for example.
  • the cavity can also be used for metrological purposes and for checking.
  • the hole for forming the foundation element can be made in any way.
  • it is particularly advantageous that the hole is created by drilling with a circular cross section or by milling with an angular cross section.
  • both material-removing drilling and displacement drilling can be used.
  • displacement drilling the soil material is displaced from the hole area into the surrounding soil using a displacement drill.
  • a central cavity is formed in the annular foundation element. This can be used to hold various functional components, such as heat exchanger elements or measuring instruments.
  • a hole 7 is first made in the floor 5 .
  • the hole 7 can be created in a conventional manner, for example by drilling or milling.
  • the drilling may be cased or uncased drilling.
  • an insert body 20 is inserted into a central area of the hole 7 .
  • the insert body 20 can already be used while the hole 7 is being drilled or only after the hole 7 has been completed.
  • the insert body 20 is made up of a total of three ring-shaped segments 22 which are connected to one another axially.
  • the insert body 20 is inserted approximately centrally in the hole 7 so that a defined distance between an outside of the insert body 20 and a peripheral wall 8 of the hole 7 is formed. This creates an intermediate space which is filled with a hardenable mass to form the ring-shaped foundation element 10 .
  • the insert body 20 is placed on a bottom 14 of the hole 7 .
  • the insert body 20 has an enveloping body 24, which can be a film or a fabric, for example.
  • the enveloping body 24 can be a lost element, which essentially serves to prevent the hardenable compound from directly adhering to the insert body 20 .
  • the enveloping body 24 can be open or closed at its lower end.
  • a material from the ground which occurs as excavation 30 when creating the hole 7 , can be introduced into the central cavity 12 .
  • the excavation 30 in the illustrated embodiment serves to stabilize and internally support the annular foundation element 10. Its ability to transfer structural loads into the ground 5 is largely achieved by the skin friction of the outside of the foundation element 10 with the peripheral wall 8 of the hole 7.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • Agronomy & Crop Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Soil Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Piles And Underground Anchors (AREA)
  • Foundations (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)

Claims (9)

  1. Procédé de création d'un élément de fondation (10) dans le sol (5), comprenant les étapes suivantes :
    - création d'un trou (7) dans le sol (5) et
    - introduction d'une masse durcissable dans le trou (7), laquelle durcit pour former l'élément de fondation (10),
    - dans lequel, dans le trou (7), approximativement au centre, est inséré un corps d'insertion (20), disposé à une certaine distance de la paroi périphérique (8) du trou (7), formant ainsi un espace annulaire entre la paroi périphérique (8) du trou (7) et le corps d'insertion (20) et
    - dans lequel, dans l'espace intermédiaire annulaire, la masse durcissable est introduite, qui durcit afin d'obtenir un élément de fondation annulaire (10),
    caractérisé en ce que
    le corps d'insertion (20) est entouré à sa surface extérieure par un élément de revêtement (24) et
    après le durcissement de la masse pour former l'élément de fondation annulaire (10), le corps d'insertion (20) est retiré de l'élément de fondation (10), tandis que l'élément de revêtement (24) reste fixé à l'élément de fondation annulaire (10).
  2. Procédé selon la revendication 1,
    caractérisé en ce que
    le corps d'insertion (20) est de forme tubulaire.
  3. Procédé selon l'une des revendications 1 à 2,
    caractérisé en ce que
    avant le durcissement de la masse, un ou plusieurs éléments d'armature sont insérés dans l'espace annulaire.
  4. Procédé selon l'une des revendications 1 à 3,
    caractérisé en ce que
    l'élément de fondation annulaire (10) est conçu pour supporter une charge de fondation souhaitée.
  5. Procédé selon l'une des revendications 1 à 4,
    caractérisé en ce que
    le corps d'insertion (20) est constitué de segments annulaires (22).
  6. Procédé selon l'une des revendications 1 à 5,
    caractérisé en ce que
    un espace central creux (12) est entouré par l'élément de fondation annulaire (10).
  7. Procédé selon la revendication 6,
    caractérisé en ce que
    lors de la création du trou (7), des matériaux du sol sont excavés et évacués du trou (7) en tant que déblai (30) et
    au moins une partie du déblai (30) est renvoyée dans l'espace central creux (12) de l'élément de fondation annulaire (10).
  8. Procédé selon l'une des revendications 1 à 7,
    caractérisé en ce que
    le trou (7) est créé par forage avec une section transversale circulaire ou par fraisage avec une section transversale angulaire.
  9. Procédé selon l'une des revendications 7 ou 8, caractérisé en ce que les matériaux du sol sont mélangés avec une masse de béton.
EP20150504.7A 2020-01-07 2020-01-07 Procédé de création d'un élément de fondation dans le sol et élément de fondation Active EP3848512B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP20150504.7A EP3848512B1 (fr) 2020-01-07 2020-01-07 Procédé de création d'un élément de fondation dans le sol et élément de fondation
US17/634,496 US20220298738A1 (en) 2020-01-07 2020-12-16 Method for producing a foundation element in the ground and foundation element
PCT/EP2020/086375 WO2021139978A1 (fr) 2020-01-07 2020-12-16 Procédé pour la réalisation d'un élément de fondation dans le sol et élément de fondation
CN202080070349.6A CN114466959A (zh) 2020-01-07 2020-12-16 用于在土壤中构建地基元件的方法以及地基元件

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20150504.7A EP3848512B1 (fr) 2020-01-07 2020-01-07 Procédé de création d'un élément de fondation dans le sol et élément de fondation

Publications (3)

Publication Number Publication Date
EP3848512A1 EP3848512A1 (fr) 2021-07-14
EP3848512B1 true EP3848512B1 (fr) 2023-08-16
EP3848512C0 EP3848512C0 (fr) 2023-08-16

Family

ID=69143461

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20150504.7A Active EP3848512B1 (fr) 2020-01-07 2020-01-07 Procédé de création d'un élément de fondation dans le sol et élément de fondation

Country Status (4)

Country Link
US (1) US20220298738A1 (fr)
EP (1) EP3848512B1 (fr)
CN (1) CN114466959A (fr)
WO (1) WO2021139978A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115125965A (zh) * 2022-07-05 2022-09-30 深圳市工勘岩土集团有限公司 用于基坑支护咬合素桩成桩的接头箱结构

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US898013A (en) * 1905-08-21 1908-09-08 Frank W Skinner Piling and method of constructing the same.
US3034304A (en) * 1958-12-29 1962-05-15 Raymond Int Inc Methods and apparatus for making concrete pile shells and piles
US3090204A (en) * 1959-03-17 1963-05-21 Raymond Int Inc Method of forming concrete shell in ground
DE1484511A1 (de) * 1961-10-13 1969-05-08 Louis Menard Verfahren zur Herstellung von Betonpfaehlen
BE630392A (fr) * 1962-05-08
US4063423A (en) * 1975-05-15 1977-12-20 Konstantin Stepanovich Gurkov Method of making built-in-place reinforced concrete piles
US4621950A (en) * 1983-01-18 1986-11-11 Electric Power Research Institute Techniques for establishing inground support footings and for strengthening and stabilizing the soil at inground locations
JPS6436820A (en) * 1987-07-31 1989-02-07 Toho Kk Filler grouting work by h-steel drawing in underground structure construction
US20120167487A1 (en) * 2010-12-20 2012-07-05 Fluor Technologies Corporation Locatable and embeddable anchor point covers
EP2837743B1 (fr) * 2013-08-14 2015-12-09 Bauer Spezialtiefbau GmbH Procédé et dispositif destinés à la réalisation d'un élément de fondation dans le sol
PL3321424T3 (pl) * 2016-11-11 2022-01-31 Bauer Spezialtiefbau Gmbh Element fundamentowy i sposób wytwarzania elementu fundamentowego
CN107012861B (zh) * 2017-03-21 2019-01-25 重庆大学 一种散体材料芯膨胀混凝土桩及其施工方法
CN207436046U (zh) * 2017-03-27 2018-06-01 辽宁省建筑设计研究院岩土工程公司 一种空心压灌支护桩
CN208933993U (zh) * 2018-07-18 2019-06-04 华电重工股份有限公司 一种海上风电嵌岩单桩及其施工系统
CN111733805A (zh) * 2020-06-10 2020-10-02 合肥工业大学 一种现浇大直径空心管柱基础水下芯模体系
CN111733799A (zh) * 2020-06-10 2020-10-02 合肥工业大学 一种自护壁大直径混凝土空心管柱基础成型工法

Also Published As

Publication number Publication date
US20220298738A1 (en) 2022-09-22
EP3848512A1 (fr) 2021-07-14
CN114466959A (zh) 2022-05-10
EP3848512C0 (fr) 2023-08-16
WO2021139978A1 (fr) 2021-07-15

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