WO2011027108A1 - Fondations pour bâtiment - Google Patents

Fondations pour bâtiment Download PDF

Info

Publication number
WO2011027108A1
WO2011027108A1 PCT/GB2010/001652 GB2010001652W WO2011027108A1 WO 2011027108 A1 WO2011027108 A1 WO 2011027108A1 GB 2010001652 W GB2010001652 W GB 2010001652W WO 2011027108 A1 WO2011027108 A1 WO 2011027108A1
Authority
WO
WIPO (PCT)
Prior art keywords
frame
foundation
building
elements
load
Prior art date
Application number
PCT/GB2010/001652
Other languages
English (en)
Inventor
Keith Anthony Lindo
John Norman Sheppard
Original Assignee
Wolf Passive Homes (Iom) Limited
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 Wolf Passive Homes (Iom) Limited filed Critical Wolf Passive Homes (Iom) Limited
Publication of WO2011027108A1 publication Critical patent/WO2011027108A1/fr

Links

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
    • E02D27/01—Flat foundations
    • E02D27/02—Flat foundations without substantial excavation
    • 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
    • E02D27/013—Shuttering specially adapted therefor
    • 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
    • E02D27/016—Flat foundations made mainly from prefabricated concrete elements

Definitions

  • the present invention relates to a building foundation. More especially, the invention relates to a modular structure that provides a load bearing insulated foundation for a building.
  • All buildings require a foundation to transfer load to the earth.
  • foundation is, usually, embedded a meter or so into soil.
  • One common type is the spread footing which consists of strips or pads of concrete (or other materials) which extend below the frost line and transfer the weight from walls and columns to the soil or bedrock.
  • Another common type is the slab-on- grade foundation where the weight of the building is transferred to the soil through a concrete slab placed at the surface.
  • Deep foundation is used to transfer a load from a structure through an upper weak layer of soil to a stronger deeper layer of soil.
  • deep foundations including helical piles, impact driven piles, drilled shafts, caissons, piers, and earth stabilized columns. The naming conventions for different types of foundations vary between different engineers. Historically, piles were wood, later steel, reinforced concrete, and pre-tensioned concrete.
  • foundations are designed to have an adequate load capacity with limited settlement by a geotechnical engineer, and the foundation itself is designed structurally by a structural engineer.
  • the construction of foundations form a substantial part of the building construction process and are labour intensive.
  • the present invention seeks to provide a load-bearing insulated modular frame structure, providing a foundation for a building which rests on the desired ground surface thus removing the need to dig to any great depth into the earth, with all the labour and time that this involves.
  • a modular frame structure for shuttering is disclosed in DE10062831.
  • the application discloses base plates and edge elements that form a closed outer frame in which concrete is poured.
  • the frame disclosed is not load bearing and cannot therefore be considered a structure providing a foundation for a building. Rather the frame provides a boundary to shape the concrete and provides an insulated barrier to the earth.
  • Other constructions techniques associated with traditional foundations, for example, strip footings, are still required to support a building using such a frame.
  • a load-bearing frame structure providing a foundation for a building, wherein the frame structure, in use, rests on the surface of the ground.
  • the frame structure may be modular in construction. This allows the frame to be designed to any chosen shape or size.
  • the frame structure may be made from expanded polystyrene or similar load-bearing material. This allows the frame to bear all the load of the building whilst also providing an insulated barrier to the earth.
  • the frame is preferably shaped and designed to spread the load across the entire frame.
  • the frame consists of a number of modular sections including edge pieces and straight sections.
  • the edge pieces may be formed from foot and leg portions, the leg portion being angled at between 60° and 90° to the foot portion.
  • the leg portion is angled at between 75° and 85° to the foot portion.
  • the leg portion is angled at approximately 80° to the foot portion. This angle ensures that the load is spread across the entire corner of the edge piece.
  • a method of constructing a foundation for a building comprising the steps of : selecting a number of frame elements from straight and edge pieces; locating the elements on the ground surface; interlocking adjacent elements to form a frame; and pouring reinforced concrete between the boundaries of the frame.
  • Figure 1 is a plan view of a simple frame constructed in accordance with the present invention
  • Figure 2 is a sectional view of a floor panel unit of the frame of Figure 1;
  • Figure 3 is a sectional view of an edge piece of the frame of Figure 1.
  • FIG. 1 shows a frame 2 suitable for providing a foundation for a building (not shown).
  • Figure 1 shows a frame 2 in its most basic form, a square.
  • the frame 2 is of modular design and is constructed from straight floor panel elements 4 (shown in figure 2) and edge piece elements 6 (shown in figure 3).
  • Each element 4, 6 (and hence the entire frame) is constructed from expanded polystyrene or similar material that is capable of bearing loads of the level required for building foundations.
  • the material also provides an insulated barrier to the earth.
  • Each element 4, 6 has ends 8 which are capable of interlocking with an adjacent element such that a selection of elements 4, 6 link together to form a frame which can be formed of any shape or size (by choosing a suitable number of straight and edge elements).
  • elements can be formed of any shape, such as, for example, curved elements. It is critical however that such elements must also be load bearing and designed in such a way as to spread the load across the entire element.
  • a floor panel element 4 typically 1145 cm length, 60 cm width and 200 cm height. It should be appreciated that these dimensions are merely given as examples to provide the reader with an idea of the sizes involved and no limitation whatsoever is intended to the actual dimensions of the elements.
  • the edge piece 6 comprises a foot portion 10 and a leg portion 12 extending upwardly from the foot portion 10.
  • the leg portion 12 extends upwardly at an angle (A) of approximately 80°. This angle is chosen to dissipate the load on the edge piece element 6 in such a way that the load extends across the entire corner region rather than extending linearly towards corner of the edge (as can be seen in the dotted line in figure 3), which otherwise would occur if the leg portion 12 extended at 90°.
  • the outer top angle (B) of the leg portion 12 is approximately 100°.
  • edge piece element 6 again without any implied limitation, are 450 cm height, and 600 cm length.
  • the edge piece element 6 may have one or more recesses or apertures 14 to decrease the weight of the element 6 and/or to reduce the amount of material required.
  • the chosen thickness and density of the frame elements 4, 6 depend on a number of conditions, most notably the type and strength of the soil at the foundation location. A poor soil, for example, may require the elements at that location to have a higher density.
  • the foundation is laid by simply selecting various straight and edge elements 4, 6 and interlocking the elements to provide a frame in accordance with the proposed architectural structure of the building to be constructed. Once the frame is constructed, reinforced concrete is then poured between its boundaries.
  • the resulting foundation removes any need for strip footings which are otherwise required in traditional shallow foundation constructions, although where extremely poor ground conditions require deep foundations, piling could be used in conjunction with this foundation system.
  • the foundation is suitable for the majority of, if not all building constructions, subject only to the upper load bearing limitation of the foundation as delineated by a structural engineer.
  • the foundation also conforms to all necessary statutory building regulations and standards such as passive house standards and low carbon efficiency standards.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Foundations (AREA)

Abstract

L'invention concerne une structure d'armature porteuse capable de constituer les fondations d'un bâtiment. La structure d'armature est de construction modulaire et est constituée de polystyrène expansé ou d'un matériau supportant les charges de manière similaire. En cours d'utilisation, la structure repose sur la surface du sol.
PCT/GB2010/001652 2009-09-04 2010-09-01 Fondations pour bâtiment WO2011027108A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0915477.4 2009-09-04
GB0915477A GB2473244A (en) 2009-09-04 2009-09-04 Load-bearing insulated modular frame foundation.

Publications (1)

Publication Number Publication Date
WO2011027108A1 true WO2011027108A1 (fr) 2011-03-10

Family

ID=41203210

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2010/001652 WO2011027108A1 (fr) 2009-09-04 2010-09-01 Fondations pour bâtiment

Country Status (2)

Country Link
GB (1) GB2473244A (fr)
WO (1) WO2011027108A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10062831A1 (de) 2000-12-17 2002-06-20 Kai Domres Sockel-Eck- und Randelemente aus Hartschaum für wärmegedämmte Bodenplatten
WO2004106641A1 (fr) * 2003-05-30 2004-12-09 Schroeder Peter Element de coffrage isolant notamment destine a la fabrication du coffrage d'une dalle de plancher d'un immeuble et procede de fabrication d'un tel coffrage
DE202005016618U1 (de) * 2004-10-29 2006-05-18 De Groot Vroomshoop B.V. Fundierung für Gartenhäuser usw. und Element dafür
EP2080837A2 (fr) * 2008-01-16 2009-07-22 Jackon Insulation GmbH Coque perdue en mousse synthétique pour plaques de fondement sur des structures

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2236784A (en) * 1989-10-11 1991-04-17 Combat Polystyrene Group Ltd Pathway construction
CA2212397A1 (fr) * 1997-09-18 1999-03-18 Denis Fortier Iso base
GB2417283B (en) * 2002-07-02 2007-02-07 Cordek Ltd Shuttering for use in casting slabs or beams
AU2008200970B2 (en) * 2007-03-01 2014-06-12 Charles Cameron A pad element for use in forming a building foundation
GB2453119A (en) * 2007-09-25 2009-04-01 Calor Gas Ltd Pre-fabricated hollow base for domestic gas tank
NL1034977C1 (nl) * 2008-01-31 2009-08-03 Havadi B V Bekistingselement voor trasraam bij fundering op staal en werkwijze voor het vervaardigen van een trasraam.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10062831A1 (de) 2000-12-17 2002-06-20 Kai Domres Sockel-Eck- und Randelemente aus Hartschaum für wärmegedämmte Bodenplatten
WO2004106641A1 (fr) * 2003-05-30 2004-12-09 Schroeder Peter Element de coffrage isolant notamment destine a la fabrication du coffrage d'une dalle de plancher d'un immeuble et procede de fabrication d'un tel coffrage
DE202005016618U1 (de) * 2004-10-29 2006-05-18 De Groot Vroomshoop B.V. Fundierung für Gartenhäuser usw. und Element dafür
EP2080837A2 (fr) * 2008-01-16 2009-07-22 Jackon Insulation GmbH Coque perdue en mousse synthétique pour plaques de fondement sur des structures

Also Published As

Publication number Publication date
GB2473244A (en) 2011-03-09
GB0915477D0 (en) 2009-10-07

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