EP1171667A1 - Isoliertes fundament und isolierter boden und verfahren und mittel für ihre herstellung - Google Patents
Isoliertes fundament und isolierter boden und verfahren und mittel für ihre herstellungInfo
- Publication number
- EP1171667A1 EP1171667A1 EP00916822A EP00916822A EP1171667A1 EP 1171667 A1 EP1171667 A1 EP 1171667A1 EP 00916822 A EP00916822 A EP 00916822A EP 00916822 A EP00916822 A EP 00916822A EP 1171667 A1 EP1171667 A1 EP 1171667A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- leg
- foundation
- base sheet
- space
- insulating material
- 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- Withdrawn
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
- 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
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B2005/322—Floor structures wholly cast in situ with or without form units or reinforcements with permanent forms for the floor edges
Definitions
- the invention relates to a method for manufacturing a foundation and a floor of a building and of the kind in which the foundation and the floor are cast of a casting material, such as concrete, and are insulated with a solid insulating material, such as cellular plastic.
- Buildings are known that have foundations and floors which are cast in forms of a solid insulating material which after depositing serve as thermal insulation of the foundation and floor of the respective building.
- the form is in this case of cellular plastic and consists of a base and a number of legs extending upwards from the base.
- the legs are joined to the base by means of e.g. bonding or nailing so that a continuos form for casting both foundation and floor is created.
- the foundation is joined to the concrete that is behind it by means of rigid bars stuck through the leg on the back of the foundation.
- the cast foundation is furthermore solid and therefore forms a thermal bridge between a face wall and a back wall which is supported by the foundation.
- the object of the invention is to provide a method of the kind mentioned in the opening paragraph that is easier, quicker and less expensive to apply than known so far.
- a second object of the invention is to provide a method of the kind mentioned in the opening paragraph that is suitable for making a foundation, that does not form a thermal bridge between a face wall and a back wall on the foundation via the foundation.
- a third object of the invention is to provide a method of the kind mentioned in the opening paragraph by means of which the costs for transporting prefabricated form elements to the building site are reduced considerably.
- a form is made of the solid insulating material, said form comprising a, seen in cross section, integrated, mainly U-shaped form section having a body corresponding to the bottom of the U, and a first and second leg corresponding to the legs of the U, that a prop is placed on the base sheet on which the building is to stand at a distance, which corresponds to the thickness of the first leg, from the exterior of the future foundation, said prop is by means of e.g.
- the form sections for the foundation can be made as prefabricated elements which with no further work performed and consequent additional costs immediately can be used on the building site.
- the prop keeps the form together during the casting process, thus avoiding having to apply expensive manpower for putting a number of form elements together to one big joint form on the building site.
- the upper regions of the two legs of the form section can furthermore be connected to each other by means of toothed plate connectors serving for absorbing the pressure exerted by the concrete in its liquid state on the two legs of the form sections.
- toothed plate connectors serving for absorbing the pressure exerted by the concrete in its liquid state on the two legs of the form sections.
- the prop which during the casting process kept the form together can be removed after the curing of the casting material so that an upper part of the first leg of the form section or the entire leg can be cut off and placed on the base sheet in front of the foundation in order to form additional insulation in an area outside of this.
- the insulation under the floor can consist of one or several layers of insulation boards kept together by toothed plate connectors and placed on the base sheet so that a space is created between the outer edge of these insulation boards and the second leg of the form section.
- An outer part of the foundation can then be cast in the space between the two legs whereas an inner part can be cast in the space formed between the second leg and the outer edge of the insulation boards.
- the foundation formed can advantageously be utilised for a wall consisting of a face wall and a back wall mutually separated by an insulated space.
- the second leg creates a corresponding space in the foundation which is made in the above way, and is thus contrary to conventional, massive foundations left without a thermal bridge between the face wall and the back wall via the foundation.
- the integrated form section can for reasons of economy advantageously be a standard element which is used for foundations of different kinds.
- the thickness of the inner part of the foundation can thus be varying.
- This problem is according to the invention solved by adapting a filling bar of a solid insulating material and letting this bar fill the space between the second leg and the insulation board.
- the integrated form sections are typically manufactured as prefabricated elements at a place other than the building site. For example in a factory that manufactures elements of cellular concrete. Due to the design of the form sections, they take up much more space than the volume of the material alone of which the form sections are made. This circumstance means that it in reality will cost a great deal to transport air together with the form sections to the building site.
- the invention also relates to a prefabricated block which is designed in such a way that it includes two inherent form sections which by means of the legs are engaging each other in the above-mentioned way. The two form sections are then cut out of the block by means of a heated wire.
- the invention furthermore relates to a foundation for carrying a wall consisting of a face wall and a back wall separated by an insulated space.
- the wall consists of two parts which just as the wall are separated by an insulated space.
- the insulation in the space of the foundation is a solid insulation of e.g. cellular concrete which is a constituent part of the form in which the foundation and the adjacent floor are cast.
- the two foundation parts can mutually be connected by means of e.g. connecting rods extending through the solid insulating material so that the foundation is given the necessary strength and stability even if it is divided into two parts .
- Such a foundation advantageously eliminates the conventional thermal bridge via the foundation between a face wall and a back wall .
- Fig. 1 is a fractional view of an insulated concrete foundation and floor of a building
- Fig. 2 is a fractional perspective view of a form consisting of a heat insulating material and serving for casting and insulation of the foundation and floor shown in fig. 1,
- Fig. 3 is a fractional cross-sectional view of the form in fig. 2,
- Fig. 4 is the form in fig. 3 but cast with concrete and during the cutting off of a part of the form
- Fig. 5 is the form in fig. 3 but with the cut-off part of the form placed on the base sheet in front of the form, and
- Fig. 6 is a perspective view of a rectangular block consisting of a heat insulating material and including two sections of the form in fig. 1.
- Fig. 1 is a fractional cross-sectional view of a concrete foundation 1,2 and a concrete floor 3 of a building of which only the wall 4 is shown.
- the foundation 1,2 and floor 3 are insulated with an insulating material 5 resting on a levelled base sheet 6 which outside the building is under a layer of gravel or sand 7 and a layer of mould 8.
- a drain 9 In the base sheet 6 is placed a drain 9.
- the wall 4 consists of a face wall 10 and a back wall 11.
- the two wall parts are mutually separated by a space filled with an insulating material 12 for heat insulating the building (not shown) .
- the concrete foundation is just as the wall 4 divided into two parts, namely the outer part 1 and the inner part 2, that just as the wall are mutually separated by a space filled with an insulating material which however on this spot is a part of the insulating material 5 which is serving for insulating the foundation and floor of the building.
- the face wall 10 is resting on the outer part 1 of the concrete foundation, whereas the back wall 11 is resting on the inner part 2 of the foundation .
- the wall insulation thus continues down into the foundation but normally with a different type of insulation so that the thermal bridge which via massive, conventional foundations is present between a face wall and a back wall advantageously is eliminated.
- the two foundation parts 1,2 are anchored to each other by means of connecting rods 13 which e.g. are made of iron and led through the insulation in the space between the two foundation parts.
- connecting rods 13 which e.g. are made of iron and led through the insulation in the space between the two foundation parts.
- a mesh reinforcement 14 extending into the upper region of the inner part 2 of the foundation. Reinforcement bars 15 are placed in the lower region of the inner part 2.
- the insulation 5 in fig. 1 serves preliminary as form for casting the concrete in, as will be described in detail below with reference to figs. 2-5.
- the form consists of a solid insulating material which typically can be cellular plastic.
- Fig. 2 is a fractional perspective view of a corner of this form 16,17 which essentially consists of a first form section 16 and a second form section 17.
- the first form section 16 serves together with the second form section 17 as form for casting the foundation 1,2, whereas the second form section 17 forms base for casting of the floor.
- the second form section 17 is being built in fig. 2, and as can be seen, it consists in this case of two layers of board 18 which are placed in such a way that the boards in one layer are displaced in relation to the boards in the other layer.
- the boards in the two layers are connected by means of toothed plate connectors (not shown) .
- Fig. 3 is a cross-sectional view in greater detail of a detail of the form 16,17.
- the first form section 16 is in one piece and is essentially shaped as a U having a body 19, a first leg
- a second leg 21 which in continuation of the body 19 is shaped with a longitudinal projection 22.
- a filling bar 23 of e.g. the same material as the rest of the form. The filling bar 23 closes off the space between the projection 22 of the first form section and the second form section 17.
- first space 24 Between the two legs 20,21 of the first form section is a first space 24, and between the second leg 21 of the first form section and the second form section 17 is a second space
- the two legs 20 and 21 of the first form section 16 are interconnected by toothed plate connectors 26, and the two layers of insulating boards 18 in the second form section 17 are joined by means of toothed plate connectors 27.
- a prop 28 of e.g. wood is firmly anchored in the base sheet by means of iron spears (not shown) , and it serves for absorbing the horizontal components of force from the relatively great pressure that the concrete while in liquid state and especially while being vibrated is exerting on the form during the casting process.
- the prop keeps the form together during the casting process whereby the need for having to use expensive manpower for joining the different components of the form is eliminated.
- the concrete is cured after which the prop 28 is removed and the first leg 20 of the first form section 16 is cut off using a knife 29. This process is done immediately after curing so that the covered outer side on the outer foundation part 1 can be overhauled with a float for irregularities, such as small holes, before the surface is too dry.
- the cut-off first leg 20 is laid down in continuation of the body 19 of the first form section 16 in order to form insulation against the base sheet in the area along the exterior of the foundation.
- Fig. 6 shows a longitudinal starting block 30 of the same heat insulating material, e.g. cellular plastic, as is used as form for the foundation and floor of the building.
- heat insulating material e.g. cellular plastic
- the block has a rectangular cross section and includes two oppositely facing first form sections 16 which by means of the two legs 20 and 21 of the respective form sections are engaging each other firmly.
- the length of one of the sides of the rectangle is thereby equal to the sum of twice the thickness of the first leg and twice the thickness of the second leg, whereas the length of the second side of the rectangle is equal to the sum of the thickness of the projection and the length of the first leg.
- the contours of the two form sections 16 are clearly drawn, but in practice the block is cast in one piece in the cellular plastic factory after which the two form sections 16 are cut out of the block by means of a heated wire .
- Cellular plastic has a low density, and a lorry which is to transport the form to the building site is therefore not loaded according to weight but according to volume.
- the remaining space is filled with the filling bar 23 which is adapted on the building site and placed in continuation of the projection.
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)
- Building Environments (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK199900160U DK199900160U3 (da) | 1999-04-13 | 1999-04-13 | Isolering af udvendige fundamenters yderste del og fastgørelse med stritter |
DK16099 | 1999-04-13 | ||
DK275900009 | 2000-02-22 | ||
DKPA200000275 | 2000-02-22 | ||
PCT/DK2000/000174 WO2000061879A1 (en) | 1999-04-13 | 2000-04-12 | Insulated foundation and floor, and method and means for manufacture thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1171667A1 true EP1171667A1 (de) | 2002-01-16 |
Family
ID=26068436
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00916822A Withdrawn EP1171667A1 (de) | 1999-04-13 | 2000-04-12 | Isoliertes fundament und isolierter boden und verfahren und mittel für ihre herstellung |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1171667A1 (de) |
AU (1) | AU3803200A (de) |
WO (1) | WO2000061879A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10146062B4 (de) * | 2001-09-14 | 2004-07-15 | LOC Ltd. Mauritius Liaisons Org. Comp. | Gründungsaufbau bei Bauwerken mit lastabtragender Dämmung |
GB2427881B (en) * | 2005-07-04 | 2010-11-03 | Abbey Pynford Holdings Plc | Support arrangement |
EP2080837B1 (de) * | 2008-01-16 | 2016-06-08 | Jackon Insulation GmbH | Verlorene Schalung aus Kunststoffschaum für Gründungsplatten an Bauwerken |
WO2010150253A2 (en) * | 2009-06-24 | 2010-12-29 | Basem Hazzan | Device, system and method for protection of structural elements against soil forces |
WO2011135354A2 (en) * | 2010-04-29 | 2011-11-03 | Sig Plc | Method for forming a building foundation, building foundation, system, spacer, connector and insulating block |
AT12437U1 (de) * | 2010-10-20 | 2012-05-15 | Passiv Plus Systeme Gmbh | Gedämmte bodenplatte aus beton |
DE102014108952A1 (de) * | 2014-06-26 | 2015-12-31 | Konrad Wetzstein | Deckenrandschalungselement |
IE20190029A1 (en) * | 2018-02-20 | 2019-12-25 | Z Therm Ltd | A rising wall construction system |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE444335B (sv) * | 1980-09-08 | 1986-04-07 | Erik Thelberg | Forfarande och formelement for att astadkomma en verme- och vattenisolerande overgang mellan en av betong gjutbar grundplatta och angrensande utsida av densamma |
SE505361C2 (sv) * | 1992-03-12 | 1997-08-11 | Sundolitt Ab | Anordning vid kantelement för grundplatta |
SE507845C2 (sv) * | 1994-05-19 | 1998-07-20 | Partek Rockwool Ab | Anordning vid husgrund av typen platta på mark samt isoleringselement för framställning av en sådan |
-
2000
- 2000-04-12 AU AU38032/00A patent/AU3803200A/en not_active Abandoned
- 2000-04-12 WO PCT/DK2000/000174 patent/WO2000061879A1/en active Application Filing
- 2000-04-12 EP EP00916822A patent/EP1171667A1/de not_active Withdrawn
Non-Patent Citations (1)
Title |
---|
See references of WO0061879A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2000061879A1 (en) | 2000-10-19 |
AU3803200A (en) | 2000-11-14 |
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18D | Application deemed to be withdrawn |
Effective date: 20081101 |