EP1840275A1 - Procédé et appareil pour fournir la fondation d'un bâtiment - Google Patents

Procédé et appareil pour fournir la fondation d'un bâtiment Download PDF

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Publication number
EP1840275A1
EP1840275A1 EP07251198A EP07251198A EP1840275A1 EP 1840275 A1 EP1840275 A1 EP 1840275A1 EP 07251198 A EP07251198 A EP 07251198A EP 07251198 A EP07251198 A EP 07251198A EP 1840275 A1 EP1840275 A1 EP 1840275A1
Authority
EP
European Patent Office
Prior art keywords
concrete
leg
shuttering
horizontal leg
shuttering set
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.)
Withdrawn
Application number
EP07251198A
Other languages
German (de)
English (en)
Inventor
Victor Bates
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1840275A1 publication Critical patent/EP1840275A1/fr
Withdrawn legal-status Critical Current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
    • E02D27/02—Flat foundations without substantial excavation
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14—Conveying or assembling building elements

Definitions

  • This invention relates to a method and apparatus for providing a foundation for a building.
  • the preferred embodiment provides a method and apparatus particularly suitable for providing a foundation for a conservatory or similar extension to a domestic dwelling.
  • the invention is not limited to such applications and may be used under a wide range of circumstances to provide a foundation for many different types of building.
  • foundations have been provided by excavating a trench and back-filling the trench with concrete to provide a surface upon which a bricklayer can set out a brick or block wall which will form a support for the upper parts of the building.
  • the excavated trench may need partially back-filling with hardcore material and compacting, and shuttering may be required, prior to the pouring of the concrete.
  • This traditional process has a number of disadvantages that are well recognised within the building trade.
  • the concrete foundation itself gives insufficient guide as to the correct position of the brick or block work and accordingly considerable care must be exercised by the bricklayer in setting out his work.
  • the preferred embodiment of the invention allows considerable reduction in the time necessary to complete a foundation and removes the problem of inaccuracies in the setting out of the foundation walls, as outlined above.
  • a method for providing a foundation for a building comprises: pre-forming a shuttering set so that in transverse cross-section the shuttering set defines a vertical leg for retaining concrete and a horizontal leg that extends inwardly of the building from the top of the vertical leg so that it is, in use, supported by the concrete retained by the vertical leg; positioning the shuttering set at a use location; levelling the shuttering set; pouring the concrete into the shuttering set to be at least partly retained by the vertical leg and to underlie and provide support for the horizontal leg; allowing the concrete to at least partially cure; and constructing a wall on the horizontal leg aligned with a guide provided by the horizontal leg.
  • the guide can conveniently be the outer edge of the horizontal leg where it joins the vertical leg.
  • the exact line to which the bricklayer is to work in constructing the wall is defined in the preferred embodiment by the juncture between the horizontal leg and the vertical leg. Because the shuttering set is pre-formed it can be shaped to provide exactly the correct dimensions and angles for the required wall. All that is required on site is that the shuttering set be correctly positioned and levelled before the concrete is poured. The fact that the wall is constructed on a horizontal leg of the shuttering set means that work on building the wall can commence at a relatively early stage of the cure of the concrete.
  • the shuttering set includes a second vertical leg that extends upwardly from the inner edge of the horizontal leg to retain concrete so that the finished surface of the concrete is above the level of the horizontal leg.
  • a second horizontal leg may extend inwardly of the building from the top edge of the second vertical leg to provide a surface on which an inner leaf of a cavity wall may be constructed.
  • the invention obviates the need for detailed setting out by the bricklayer since the outer edge of the inner leaf of the wall may be aligned with the outer edge of the second horizontal leg.
  • the first horizontal leg may be wide enough to accommodate both the inner and outer leaf of the required wall.
  • the inner leaf may be constructed at a pre-determined spacing from the outer leaf or may be constructed utilising a second guide provided by the shuttering set.
  • the second guide may be, for example, a ridge formed on the horizontal leg or may be the second vertical leg.
  • apparatus for carrying out the method of the invention, the apparatus comprising a pre-formed shuttering set that, in transverse cross-section, defines a vertical leg for retaining concrete and a horizontal leg that extends inwardly of the building from the top of the vertical leg.
  • FIG. 1 there is illustrated in schematic cross-section a typical arrangement for a foundation utilising the method and apparatus of the present invention.
  • the ground 1 at the site where the foundation is required has been excavated to provide a trench 2.
  • Soil has been removed over the entire area of the proposed building to provide a platform 3 to be covered with concrete at the same time as the trench 2 is filled.
  • the exact dimensions of the trench will be determined in light of the soil conditions and structural requirements for the building to be erected on the foundation.
  • a shuttering set 4 that is supported on a plurality of screw jacks 5 each of which has a sole plate 6 resting on the floor 7 of the trench 2.
  • the jacks 5 allows the shuttering set to be raised and lowered and each jacking location for levelling purposes.
  • the datum level for the shuttering set may be established by any suitable means. In a typical use of the present invention for the construction of a foundation for an extension to a building the datum will generally be established by reference to the existing building by securing the shuttering set to the building at a pre-determined position. Under these circumstances, after the shuttering set has been secured to the building the jacks 5 will be positioned and operated to level the entire shuttering set.
  • the shuttering set is shown in more detail in Figure 2. It will be seen to comprise a first vertical leg 10, a horizontal leg 11 and a second vertical leg 12.
  • the legs are extrusions of suitable material, for example aluminium, and the vertical legs 10 and 12 are formed from the same profile.
  • the vertical legs 10, 12 are formed with profiles interlocked with opposite lateral edges of the horizontal leg 10.
  • a stabilising bar 13 is secured to the horizontal leg by suitable means, (for example bolts having their heads retained in slots 29 provided for the purpose on the underside of the horizontal leg 11), and extends across the shuttering set to the opposite side thereof where it is joined to a corresponding horizontal leg (not shown).
  • Stabilising bars are positioned as necessary to give the shuttering set adequate resistance to spreading.
  • one or more diagonal bracing bars 14 ( Figure 4) are also secured to the horizontal legs of the shuttering set to ensure squareness.
  • the required reinforcing steel 15 can conveniently be supported by resting it on the stabilising bars 13. By this means the steel can be positioned at an optimum location without the need for any additional support.
  • further stabilising bars 16 are secured to a flange 17 of the upper leg 12 to provide additional stabilising to the structure.
  • Further steel reinforcing mesh 18 may be supported on the upper stabilising bars 16 if desired.
  • Each jack 5 consists of a tube 19 supported on and secured to the sole plate 6 and furnished, at the upper end thereof, with a threaded insert 20.
  • a threaded rod 21 engages the threads of the insert 20 and carries at its upper end a plate 22.
  • the plate 22 is supported on a nut 23 that engages the threaded rod 21.
  • a second nut 24 is locked to the first nut 23 with a washer therebetween so that the rod 21 may be rotated relative to both the plate 22 and the insert 20 by applying a spanner to the nut 24.
  • the shuttering may be raised or lowered at the location of each jack 5.
  • a jack 5 will be provided at each change of direction of the shuttering set. Accordingly, in the simple rectangular foundation illustrated in Figure 4 a jack 5 will be provided at each of the corners 25, 26. If necessary, depending on the length of the sides and the structural rigidity of the materials used for the shuttering, additional jacks may be required, for example at the mid-side location 27 illustrated in Figure 4.
  • the plate 22 is preferably shaped to assist in forming the corner. For example, if the jack is located at a right-angle corner such as at 25 and 26 the plate 22 is conveniently in the form of an L shape having legs of equal length that extend along both of the adjacent horizontal legs 11 of the shuttering set.
  • the plate 22 is located using grooves 28 provided by the material of the horizontal leg 11. Suitable fastenings may be used to lock the horizontal legs 11 to the plates 22.
  • the corner abutment of adj acent shuttering lengths may be achieved by cutting the abutting ends at an angle, e.g. 45 degrees on each to make a 90 degree abutment.
  • the vertical legs may be cut to length to abut at the corner whilst the horizontal leg of each shuttering length is cut shorter so at to terminate short of the corner, creating an opening in the horizontal surface at the corner.
  • a corner piece is then fastened in place in the corner opening against which the jacks engage. This has the advantage that different corner angles can easily be achieve by simply use of different corner pieces which set the corner angle.
  • a complete shuttering set is preformed, typically in a factory environment.
  • the pre-forming will consist of cutting the lengths of material to size and assembling the various components.
  • the components are then transported to site for final assembly. On site only the joints need be formed and these joints can be formed quickly and accurately because all the components needed have been pre-cut and substantially pre-assembled before arrival on site.
  • Once the shuttering set has been fully assembled it is located in the required position. If it is used to form the foundation of an extension to an existing building it will be secured to the wall 32 of the host building 33 using conventional fixings.
  • the jacks 5 will be positioned and adjusted to level the shuttering set. Using jacks of the type described above levelling is easily effected by placing a suitable spanner on the upper nut 24 and rotating it to raise or lower the support plate 22 associated with a particular jack.
  • a damp-proof course may be laid on the platform 3.
  • the damp-proof membrane may be laid to cover the platform 3 and the trench 2 before location of the shuttering set.
  • concrete is poured into the shuttering. The concrete will fill the trench 2.
  • the initial flow of concrete will land on the sole plates 6 to hold them in position and thereby prevent the entire shuttering from "floating" as the concrete level rises.
  • the concrete will be suitably compacted (for example by vibration) to complete fill the shuttering up to the level of the top edge of the upper vertical leg 12.
  • the concrete will be contained at least in part by the lower vertical leg 10 and the upper vertical leg 12 and the concrete will underlie and support the horizontal legs 11 and 30. If desired, holes may be provided through the horizontal legs 11 and/or 30 to vent any air pockets that may be formed during concrete compaction.
  • the skirt 31 will prevent excessive flow of concrete upwardly along the outer side of the lower leg 10.
  • the foundation walls are constructed on the horizontal leg 11 and, if present, on the horizontal leg 30.
  • the outer edge of the horizontal leg i.e. at the juncture with the vertical leg 10.
  • the shuttering set has been factory produced and precisely formed no onsite checking or layout is necessary for the bricklayer - he can simply start laying his bricks on the horizontal leg 30 using the outer edge thereof as a guideline.
  • an inner leaf if an inner leaf is to be constructed it can be constructed either on the horizontal leg 11 if this is wide enough or on the horizontal leg 30.
  • the remaining structure which may for example be a pre-fabricated structure such as a conservatory, or a site constructed structure of for example brick or block, can be built atop the existing foundation walls.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Physics & Mathematics (AREA)
  • Foundations (AREA)
EP07251198A 2006-03-22 2007-03-21 Procédé et appareil pour fournir la fondation d'un bâtiment Withdrawn EP1840275A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0605776.4A GB0605776D0 (en) 2006-03-22 2006-03-22 Method and apparatus for providing a foundation for a building

Publications (1)

Publication Number Publication Date
EP1840275A1 true EP1840275A1 (fr) 2007-10-03

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Family Applications (1)

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EP07251198A Withdrawn EP1840275A1 (fr) 2006-03-22 2007-03-21 Procédé et appareil pour fournir la fondation d'un bâtiment

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EP (1) EP1840275A1 (fr)
GB (2) GB0605776D0 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109356389A (zh) * 2018-11-21 2019-02-19 郴州远大住宅工业有限公司 一种预制墙板安装限位装置及其施工方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022105823A1 (de) 2022-03-14 2023-09-14 Deutsche Post Ag Höhenverstellungsvorrichtung für ein Mobilfundament und Mobilfundamentvorrichtung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2243310A1 (en) * 1973-09-06 1975-04-04 Huennebeck Gmbh Horizontally displaceable shuttering for concrete ceilings - has vertical height-adjustable supports
EP0059702A1 (fr) * 1981-02-19 1982-09-08 Hannes Dipl.-Ing. Schreier Fondation, spécialement pour constructions à un étage sans cave
EP0329753B1 (fr) * 1987-09-07 1991-05-22 SALAS, Pierre Banche de coffrage et profile pour sa realisation
US6120723A (en) * 1994-08-29 2000-09-19 Butler; Michael G. Foundation footing construction method, particularly as serve to efficiently precisely emplace wall anchors

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3797800A (en) * 1971-06-02 1974-03-19 E Loy Portable reusable form for concrete foundations
GB8630163D0 (en) * 1986-12-17 1987-01-28 Metsec Plc Ring beam

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2243310A1 (en) * 1973-09-06 1975-04-04 Huennebeck Gmbh Horizontally displaceable shuttering for concrete ceilings - has vertical height-adjustable supports
EP0059702A1 (fr) * 1981-02-19 1982-09-08 Hannes Dipl.-Ing. Schreier Fondation, spécialement pour constructions à un étage sans cave
EP0329753B1 (fr) * 1987-09-07 1991-05-22 SALAS, Pierre Banche de coffrage et profile pour sa realisation
US6120723A (en) * 1994-08-29 2000-09-19 Butler; Michael G. Foundation footing construction method, particularly as serve to efficiently precisely emplace wall anchors

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109356389A (zh) * 2018-11-21 2019-02-19 郴州远大住宅工业有限公司 一种预制墙板安装限位装置及其施工方法

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Publication number Publication date
GB0605776D0 (en) 2006-05-03
GB2436339A (en) 2007-09-26
GB0705690D0 (en) 2007-05-02
GB2436339B (en) 2010-08-04

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