NZ538538A - Improved method of laying a foundation - Google Patents
Improved method of laying a foundationInfo
- Publication number
- NZ538538A NZ538538A NZ538538A NZ53853805A NZ538538A NZ 538538 A NZ538538 A NZ 538538A NZ 538538 A NZ538538 A NZ 538538A NZ 53853805 A NZ53853805 A NZ 53853805A NZ 538538 A NZ538538 A NZ 538538A
- Authority
- NZ
- New Zealand
- Prior art keywords
- concrete
- foundation
- level
- blocks
- laser
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 37
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000246 remedial effect Effects 0.000 description 1
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
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
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)
- Road Paving Structures (AREA)
Abstract
A method for laying a foundation that includes digging a foundation trench, pouring concrete into the foundation trench to a first level and allowing the concrete to partially cure to a predetermined state. Press blocks into the concrete to a desired level equal to the desired finish height of the foundation by filling the blocks with sufficient concrete to complete the foundation where the predetermined state of the partially cured concrete is such that the partially cured concrete allows the blocks to be pressed into the surface of the concrete without risk of sinking further.
Description
New Zealand Patent App. 538538 Filed: 28th February 2005 Patents Form No. 5 Patents Act 1953 COMPLETE SPECIFICATION IMPROVED METHOD OF LAYING A FOUNDATION I, David John COOK of 450c Harewood Road, Christchurch, New Zealand, a New Zealand citizen, hereby declare the invention for which I pray that a patent may be granted to me, and the method by which it is to be performed, to be particularly described in and by the following statement: 1 (to be followed by 1a) Intellectual Property Office of N.Z. 2 2 APR 2005 RECEIVED TITLE : IMPROVED METHOD OF LAYING A FOUNDATION FIELD OF THE INVENTION The present invention relates to a method of laying a foundation for a building, more specifically a method for laying a foundation of a residential dwelling, garage or smaller commercial/industrial building.
BACKGROUND Foundations for smaller buildings are traditionally laid by a method that includes the following steps: (i) digging the foundation trench; (ii) boxing up the foundation; (iii) installing the reinforcing; (iv) pouring the foundation; and (v) removing the boxing, dump or recover boxing.
This method is labour intensive, requires boxing and requires 2 to 3 days to lay a foundation. The boxing needs to be removed, cleaned and recycled or dumped after use, adding to the costs. With the variability of the timber used for boxing the resultant foundation can also need remedial work to correct faults from warped, badly installed or damaged boxing; this further adds cost and time to the process.
A second method, used where the cost of concrete is high, includes the following steps: (ia) digging the foundation trench; (iia) pouring the foundation; (iiia) pouring the foundation, to a level below the top of the trench; (iva) allowing the foundation to cure until rigid; (va) laying blocks on top of concrete; and (via) filling block cavities with concrete to complete the foundation. 1a This second method removes the cost of the boxing and inherent cleanup, disposal and recycling of boxing steps. This method also dispenses with the labour costs and time associated with the boxing. It does however add the cost of a sub-contractor to lay the blocks, which can add substantially to the cost of the foundation and depends 5 on the availability of that sub-contractor. This second method adds the cost of mortar to lay the blocks and can take about two days due to the requirement for a block layer.
With the cost of labour being one major cost associated with the laying of a foundation and increasing time pressures being placed on building projects there is a need for an 10 improved method of laying a foundation that reduces the time taken to lay a foundation. This improved method ideally needs to avoid boxing and the associated problems, and if possible reduce or remove the need for additional sub-contractors. However any improved method must not compromise the quality or longevity of the final foundation.
OBJECT OF THE INVENTION It is therefore an object of this invention to provide a method of laying a foundation that can reduce the time taken and overall cost of the foundation when compared to 20 traditional methods.
It is a further object of the invention to reduce the cost of laying a foundation over traditionally employed methods, without compromising the integrity of the foundation.
DISCLOSURE OF THE INVENTION The present invention provides a method for laying a foundation that includes the following steps: (a) digging a foundation trench; (b) pouring concrete into the foundation trench to a first level; (c) allowing the concrete to partially cure to a predetermined state; (d) pressing blocks into the concrete to a desired level equal to the desired finish height of the foundation; (e) filling the blocks with sufficient concrete to complete the foundation; 2 where the predetermined state of the partially cured concrete is such that the partially cured concrete allows the blocks to be pressed into the surface of the concrete without risk of sinking further.
Preferably before step (b) reinforcing is installed.
Preferably the first level and/or final block level are set by string level, optical level or laser level. It is highly preferred that the first level and/or final block level are laser aligned and/or laser screeded.
Preferably the blocks are pressed into the concrete to a depth of between 1mm and 20mm, an optimum depth being approximately 5mm.
Subsequent building steps can be commenced during the laying of the blocks, for 15 example pouring the shingle fill for the floor can be commenced.
The present invention also includes a foundation prepared by the method described above.
DESCRIPTION OF THE DRAWINGS By way of example only, a preferred embodiment of the present invention is described in detail with reference to the accompanying drawings, in which:- Figure 1 shows a flowchart of the method; Figure 2 shows a cross sectional view along the foundation trench of the invention.
BEST MODE FOR CARRYING OUT THE INVENTION Referring to the drawings the present method for laying a foundation (1) includes a first step (A) where a foundation trench (2) is formed in the standard way, this is followed by a second step (B) which involves the installation into the foundation trench (2) of initial reinforcing (3) which is part of the complete reinforcing required to meet the local 35 standards. 3 In the third step (C) concrete, of standard grade, is poured into the foundation trench (2) as a concrete platform (4). The concrete platform is laser screeded, i.e. the surface (5) of the concrete platform (4) is precisely adjusted to the required level (6) using a laser level of standard design. This required level (6) allows one or more 5 concrete blocks (10) to be inserted into the concrete platform (4) to a depth of between 0 mm and 20 mm in a fifth step (E).
In the fourth step (D) the concrete platform (4) is allowed to partially cure; this partial cure is sufficient to maintain the position, without sinking, of the or each concrete block 10 (10) inserted into the concrete platform (4) in the fifth step (E) in position without requiring excessive force. Excessive force in this context is a force that would cause the concrete platform (4) to be permanently damaged.
In the fifth step (E) the or each concrete block (10) is inserted into the surface (5) of 15 the partially cured concrete platform (4), and the height of a top (11) edge of the or each concrete block (10) is adjusted to the required height using a laser or string level. The or each concrete block (10) is butted up against each adjacent concrete block (10).
The sixth step (F) includes the installation of final reinforcing (12) which completes the complete reinforcing. The seventh step (G) includes the filling of the or each concrete block (10) with a concrete fill (13) to complete the foundation.
As the seventh step (G) is being completed it is possible to start pouring the shingle 25 required for the floor slab, and in fact, if the correct grades of concrete are selected, the floor laying stages could be commenced the same day as completing the foundation.
The present method therefore does not require the use of boxing and therefore the 30 time, material and costs associated with boxing are avoided. In addition there is no requirement for a sub-contracting block layer to be involved, thus the cost and time associated with this is avoided. These savings are achieved without compromising the longevity or quality of the foundation. 4
Claims (1)
1.CLAIMS 1. A method for laying a foundation that includes the following steps: 5 (a) digging a foundation trench; (b) pouring concrete into the foundation trench to a first level; (c) allowing the concrete to partially cure to a predetermined state; (d) pressing blocks into the concrete to a desired level equal to the desired finish height of the foundation; 10 (e) filling the blocks with sufficient concrete to complete the foundation; where the predetermined state of the partially cured concrete is such that the partially cured concrete allows the blocks to be pressed into the surface of the concrete without risk of sinking further. 15 2. The method as claimed in claim 1 characterised in that, before step (b) reinforcing is installed. 3. The method as claimed in claim 1 or claim 2 wherein the first level and/or final 20 block level is set by one or more methods selected from the list consisting of string level, optical level and laser level 4. The method as claimed in claim 1 or claim 2 wherein the first level is laser aligned and/or laser screeded 25. 5. The method as claimed in claim 1, 2 or claim 4 wherein the final block level is laser aligned and/or laser screeded. 6. The method as claimed in any one of the previous claims characterised in that, 30 the blocks are pressed into the concrete to a depth of between 1mm and 20mm. 7. The method as claimed in claim 6 characterised in that, the blocks are pressed into the concrete to a depth of approximately 5mm 35. 5 12. The method as claimed in any one of the previous claims wherein one or more subsequent building step is commenced during the laying of the blocksThe method as claimed in claim 8 wherein the one or more subsequent building step includes pouring a shingle fill for a floorA foundation prepared by the method as claimed in any one of claims 1 to 9The method as claimed in claim 1 and substantially as hereinbefore described with reference to and as shown in Figure 1The foundation as claimed in claim 10 and substantially as hereinbefore described with reference to and as shown in Figure 2END OP CLAIMS Intellectual Property Office of NX 2 2 APR 2005 6
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NZ538538A NZ538538A (en) | 2005-02-28 | 2005-02-28 | Improved method of laying a foundation |
AU2006217167A AU2006217167A1 (en) | 2005-02-28 | 2006-02-09 | Improved method of laying a foundation |
PCT/NZ2006/000013 WO2006091110A1 (en) | 2005-02-28 | 2006-02-09 | Improved method of laying a foundation |
GB0718514A GB2438790A (en) | 2005-02-28 | 2006-02-09 | Improved method of laying a foundation |
US11/815,724 US20080141615A1 (en) | 2005-02-28 | 2006-02-09 | Method of Laying a Foundation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NZ538538A NZ538538A (en) | 2005-02-28 | 2005-02-28 | Improved method of laying a foundation |
Publications (1)
Publication Number | Publication Date |
---|---|
NZ538538A true NZ538538A (en) | 2005-06-24 |
Family
ID=34748260
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NZ538538A NZ538538A (en) | 2005-02-28 | 2005-02-28 | Improved method of laying a foundation |
Country Status (5)
Country | Link |
---|---|
US (1) | US20080141615A1 (en) |
AU (1) | AU2006217167A1 (en) |
GB (1) | GB2438790A (en) |
NZ (1) | NZ538538A (en) |
WO (1) | WO2006091110A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PL2886723T3 (en) * | 2012-06-06 | 2017-10-31 | Gestamp Hybrid Towers S L | Ribbed foundation for superstructures and method for producing the foundation |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US958619A (en) * | 1909-08-30 | 1910-05-17 | Isaiah F Frazier | Fence-post. |
NL8303226A (en) * | 1983-05-26 | 1984-12-17 | Eduard Marie Driessen | Building foundation beam support - includes individual arched supports with integral reinforcing rods |
JPH02136429A (en) * | 1988-11-17 | 1990-05-25 | San Aroo Plan:Kk | Construction of foundation |
US5878544A (en) * | 1996-07-11 | 1999-03-09 | Mckinnon; Gordon | Stabilizing system for concrete poured walls within foam block forms |
JP2000120057A (en) * | 1999-11-22 | 2000-04-25 | Misawa Homes Co Ltd | Building foundation and its execution method |
US20030131544A1 (en) * | 2000-08-08 | 2003-07-17 | Miller Philip Glen | Precast concrete beam element and methods of making and installing same |
US7027480B2 (en) * | 2002-05-31 | 2006-04-11 | Black & Decker Inc. | Laser level |
-
2005
- 2005-02-28 NZ NZ538538A patent/NZ538538A/en unknown
-
2006
- 2006-02-09 US US11/815,724 patent/US20080141615A1/en not_active Abandoned
- 2006-02-09 GB GB0718514A patent/GB2438790A/en not_active Withdrawn
- 2006-02-09 WO PCT/NZ2006/000013 patent/WO2006091110A1/en active Application Filing
- 2006-02-09 AU AU2006217167A patent/AU2006217167A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
WO2006091110A1 (en) | 2006-08-31 |
US20080141615A1 (en) | 2008-06-19 |
AU2006217167A1 (en) | 2006-08-31 |
GB0718514D0 (en) | 2007-10-31 |
GB2438790A (en) | 2007-12-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PSEA | Patent sealed | ||
LCEA | Licensees added |
Name of requester: SPEEDBLOC LIMITED |
|
RENW | Renewal (renewal fees accepted) |