AU2002315323A1 - Method for dosing reinforcing fibres for the manufacturing of fibre concrete and the used chain packing - Google Patents
Method for dosing reinforcing fibres for the manufacturing of fibre concrete and the used chain packingInfo
- Publication number
- AU2002315323A1 AU2002315323A1 AU2002315323A AU2002315323A AU2002315323A1 AU 2002315323 A1 AU2002315323 A1 AU 2002315323A1 AU 2002315323 A AU2002315323 A AU 2002315323A AU 2002315323 A AU2002315323 A AU 2002315323A AU 2002315323 A1 AU2002315323 A1 AU 2002315323A1
- Authority
- AU
- Australia
- Prior art keywords
- sacks
- fibres
- reinforcing fibres
- chain packing
- sack
- 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.)
- Granted
Links
Description
METHOD FOR DOSING REINFORCING FIBRES FOR THE MANUFACTURING OF FIBRE CONCRETE AND THE USED CHAIN PACKING
The invention relates to a method for dosing reinforcing fibres in a mixing silo during the manufacturing of fibre concrete.
For the manufacturing of fibre concrete or concrete reinforced with reinforcing fibres it is extremely important to supply the exact quantity of reinforcing fibres to the mixture of components of mortar or concrete. It is possible to store the different components or ingredients of the concrete to be manufactured in separate silos and to supply the exact quantity of each of these components to the mixing silo.
The supply of the exact quantity of reinforcing fibres, such as steel fibres, is extremely difficult. This is certainly the case when the mixture is made on the building yard itself.
Numerous solutions have already been proposed, such as in EP-A-522.029 (WO 91/14551); EP-A-499.572; AP-A-499.573;
DE 29714704U; DE-A-3.412.216; DE-A-4.427.156; FR-A-2.672.045 and many other patent documents.
A disadvantage of the known solutions is that they all need a rather complex dosing machine or weighing machine.
Another disadvantage is that the weighing or dosing of reinforcement fibres in a concrete mixing plant or on a building yard is a cumbersome and time-consuming operation.
The invention intends to avoid the aforementioned disadvantages.
Therefore, the invention proposes for a method mentioned in the opening lines that the reinforcing fibres are supplied in a chain packing of sacks made of a material that can be disintegrated in mortar or concrete.
It has to be noted that it is already known to pack the reinforcing fibres in sacks that can be disintegrated in mortar or concrete. This has amongst others already been described in DE-A-4.214-540 and WO 95/11861.
An important variant of the method according to the invention is characterised in that the reinforcing fibres are supplied in a chain packing of sacks, that the sacks are cut open above the mixing silo as a result of which the reinforcing fibres fall in the mixing silo and that the empty chain packing is conveyed away.
In the latter case, the sacks can be made of a material that cannot be disintegrated in mortar or concrete. The removal of the empty chain packing can be assured by a known roll system.
In a preferred method according to the invention, the sacks are joined to each other.
The great advantage of the method according to the invention is that the reinforcing fibres are now supplied to the mixing silo in a continuous chain packing of sacks. It is now possible to supply a correct, well-defined quantity of reinforcing fibres in the sacks during the manufacturing of the reinforcing fibres. This makes it possible to supply the exact quantity of reinforcing fibres to the mixing silo by means of a conveyor belt, a roll system or a similar alimentation device, in which the former dosing or weighing operations are replaced by a measuring operation of the length of the continuous chain packing or a counting operation of the number of supplied sacks to the mixing silo.
By fibre concrete, we understand all curing materials, provided with reinforcing fibres, such as steel fibres, glass fibres and synthetic fibres, such as polypropylene fibres to improve the properties of the curable material.
The invention will be further explained in the following description by means of the accompanying drawing.
In the drawing, figures 1 and 2 give a representation, both schematically and in perspective, of parts of the chain packing according to the invention.
In figure 1 , the chain packing or chain package applied according to the method according to the invention is generally indicated by 1. The chain packing or package 1 consists of a large number of sacks 2 that are joined together. The sacks 2 may be made of a material that can be disintegrated in mortar or concrete.
As already mentioned above, it is already known to mix ingredients in concrete, stored in sacks, such as e.g. cellulose, which disintegrate in water. Preferably, a cellulose-based foil is used for the sacks 2; such foil will also be used as basic material for paper, possibly, such as known in the paper branch of industry, with addition of water-soluble glue and fillers, which are harmless to the concrete. The sacks can e.g. be glued together and closed with water-soluble heat-adhesive. But it is clear that every foil that disintegrates in the concrete water within the usual mixing time can be used.
It is also possible to manufacture the sacks 2 of the chain packing 1 in a material that cannot be disintegrated in mortar or concrete. In that case, the sacks 2 are cut open above the mixing silo by means of a known cutting device as a result of which the reinforcing fibres 2 fall in the mixing silo. The continuous empty chain packing 1 is then conveyed by means of a known roll system. The advantage of this method consists in the fact that no chain packing 1 material falls in the mixing silo.
In figure 1 , the reinforcing fibres, packed in the sacks 2, are indicated by 3. The reinforcing fibres 3 can be made of all sorts of materials. This depends on the demands required of the fibres and on the fibre concrete to be reinforced. Preferably, steel reinforcing fibres 3 are
used, sold amongst others by the applicant N.V. Bekaert S.A. under the brand name DRAM IX. Mostly, steel fibres 3 are used with a tensile force comprised e.g. between 500 and 3000 N/mm2.
The used fibres can e.g. be straight. This is the simplest and cheapest version of reinforcing fibres that can be used for reinforcing. Preferably, the reinforcing fibres have a form that makes it rather difficult to pull them out of the cured concrete material using a tensile strain. To that end, the fibres are e.g. corrugated or their cross-section-surface varies along the length. For steel fibres, the thickness or diameter preferably varies from 0.15 to 1.2 mm. The length-diameter ratio for steel fibres is, for practical and economical reasons, mostly situated between 10 and 200 and preferably minimally amounts to 40. For non- straight fibres, the length is the rectilinear distance between the ends of the fibres, whereas the diameter of fibres of which the diameter varies along the length is defined as the average diameter over the entire length.
As figure 1 shows, the reinforcing fibres 3 are preferably situated in a mainly mutually parallel position in the sack 2. In the event of steel fibres, the weight of the total number of fibres per sack 2 varies between 100 grams and 2 kg. It is also possible to use without any problems sacks weighing more than 2 kg.
The packing and weighing of steel fibres, such as described above, can be executed in line with the actual production of the steel fibres or on another spot, separated from the actual manufacturing of the steel fibres. It is e.g. possible to place the steel fibres 3 in a mainly mutual parallel position by means of magnetic forces.
Preferably, the length of the steel fibres 3 is practically identical to the length of the sack 2 and the steel fibres 3 are situated lengthwise the sack 2. The chain packing 1 preferably consists of sacks 2 that are joined in line. It is also possible to make sure that the length of the steel fibres 3 is practically identical to the width of the sacks 2 and that
the fibres 3 are situated widthwise the sack 2.
Figure 2 shows a chain packing 1 , whereby the sacks 2 with one side thereof are connected to a tape or strip 4. The strip 4 can also be a wire, a cord or the like. The strip 4 can be made of a material that can be disintegrated in mortar or concrete to be reinforced.
It is obvious that the chain packing 1 according to the invention makes it now possible to easily supply such continuous packings 1 to the mixing silo by means of simple means of transportation, such as a conveyor belt, allowing in a simple way by means of a counter to count the number of sacks 2 or by means of a simple measuring device to measure the length of the supplied chain packing in order to easily define the supplied weight of reinforcing fibres 3 to the mixing silo.
Claims (15)
1. Method for dosing reinforcing fibres in a mixing silo during the manufacturing of fibre concrete, characterised in that the reinforcing fibres (3) are supplied in a chain packing (1) of sacks (2), made of a material that can be disintegrated in mortar or concrete.
2. Method for dosing reinforcing fibres in a mixing silo during the manufacturing of fibre concrete, characterised in that the reinforcing fibres (3) are supplied in a chain packing (1) of sacks (2), that the sacks (2) are cut open above the mixing silo as a result of which the reinforcing fibres (3) fall in the mixing silo and that the empty chain packing (1) is conveyed away.
3. Method according to claim 1 or claim 2, characterised in that the sacks (2) are joined to each other.
4. Method according to one or more of the claims 1 - 3, characterised in that the reinforcing fibres (3) are arranged in the sacks (2) in a substantially mutually parallel position.
5. Method according to one or more of the claims 1 - 4, characterised in that the length of he reinforcing fibres (3) substantially corresponds to the length of a sack (2) and that the fibres (3) are situated lengthwise the sack (2).
6. Method according to one or more of the claims 1 - 4, characterised in that the length of the reinforcing fibres (3) substantially corresponds to the width of a sack (2) and that the fibres (3) are situated widthwise the sack (2).
7. Method according to one or more of the claims 1 - 6, characterised in that the sacks (2) are joined in line.
8. Chain packing for the execution of the method according to one or more of the claims 1 - 7, characterised in that the chain packing (1) consists of sacks (2), made of a material that can be disintegrated in mortar or concrete, whereby the sacks (2) are filled with reinforcing fibres (3).
9. Chain packing for the execution of the method according to one or more of the claims 2 - 7, characterised in that the chain packing (1) consists of sacks (2), whereby the sacks (2) are filled with reinforcing fibres (3).
10. Chain packing according to claim 8 or claim 9, characterised in that the sacks (2) are joined to each other.
11. Chain packing according to one or more of the claims 8 - 10, characterised in that the reinforcing fibres (3) are situated in a substantially mutually parallel position in the sacks (2).
12. Chain packing according to one or more of the claims 8 - 11 , characterised in that the reinforcing fibres are made of steel.
13. Chain packing according to one or more of the claims 8 - 12, characterised in that the length of the reinforcing fibres (3) substantially corresponds with the length of a sack (2) and that the fibres (3) are situated lengthwise the sack (2).
14. Chain packing according to one or more of the claims 8 - 12, characterised in that the length of the fibres (3) substantially corresponds to the width of a sack (2) and that the fibres (3) are situated widthwise the sack (2).
15. Chain packing according to one or more the claims 8 - 14, characterised in that the sacks (2) are joined in line.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE2001/0309 | 2001-05-04 | ||
| BE2001/0309A BE1014155A3 (en) | 2001-05-04 | 2001-05-04 | METHOD FOR DOSING OF REINFORCING FIBRE IN THE MANUFACTURE OF APPLIED THEREBY vibrated and CHAIN BOX. |
| PCT/EP2002/004566 WO2002090074A1 (en) | 2001-05-04 | 2002-04-24 | Method for dosing reinforcing fibres for the manufacturing of fibre concrete and the used chain packing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU2002315323A1 true AU2002315323A1 (en) | 2003-05-01 |
| AU2002315323B2 AU2002315323B2 (en) | 2006-09-21 |
Family
ID=3896971
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2002254927A Ceased AU2002254927B2 (en) | 2001-05-04 | 2002-03-05 | Closed reinforcement fibre package, as well as chain packing consisting of such closed packages |
| AU2002315323A Ceased AU2002315323B2 (en) | 2001-05-04 | 2002-04-24 | Method for dosing reinforcing fibres for the manufacturing of fibre concrete and the used chain packing |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2002254927A Ceased AU2002254927B2 (en) | 2001-05-04 | 2002-03-05 | Closed reinforcement fibre package, as well as chain packing consisting of such closed packages |
Country Status (23)
| Country | Link |
|---|---|
| US (3) | US7001657B2 (en) |
| EP (2) | EP1385682B1 (en) |
| JP (2) | JP2004525831A (en) |
| KR (2) | KR100812413B1 (en) |
| CN (2) | CN1232387C (en) |
| AR (1) | AR034325A1 (en) |
| AT (2) | ATE335579T1 (en) |
| AU (2) | AU2002254927B2 (en) |
| BE (1) | BE1014155A3 (en) |
| BR (2) | BR0209316B1 (en) |
| CA (2) | CA2443816C (en) |
| CY (2) | CY1107309T1 (en) |
| DE (2) | DE60213780T2 (en) |
| DK (2) | DK1385682T3 (en) |
| EA (2) | EA004723B1 (en) |
| ES (2) | ES2268019T3 (en) |
| MX (2) | MXPA03009993A (en) |
| NO (2) | NO325070B1 (en) |
| PL (2) | PL199310B1 (en) |
| PT (2) | PT1385682E (en) |
| TW (1) | TWI231800B (en) |
| WO (2) | WO2002090073A1 (en) |
| ZA (2) | ZA200307822B (en) |
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| BE1014155A3 (en) * | 2001-05-04 | 2003-05-06 | Bekaert Sa Nv | METHOD FOR DOSING OF REINFORCING FIBRE IN THE MANUFACTURE OF APPLIED THEREBY vibrated and CHAIN BOX. |
| FR2866264B1 (en) * | 2004-02-13 | 2006-05-12 | Jean Sebille | ASSEMBLY FOR FIBER SINGING, EXTRACTION AND FIBER DETERMINATION IN CONCRETE OR MORTAR |
| SE0402848D0 (en) * | 2004-11-22 | 2004-11-22 | Confib Ab | Method of dosing reinforcing fibers for the manufacture of concrete fibers and the continuous packing used |
| US20090226693A1 (en) * | 2005-12-16 | 2009-09-10 | Polymer Group, Inc. | Concrete Fiber Material, Castable Constructs Including Same, And Methods |
| US8372384B2 (en) * | 2007-01-08 | 2013-02-12 | Ndsu Research Foundation | Quaternary ammonium functionalized cross-linked polyalkylsiloxanes with anti-fouling activity |
| FR2916440B1 (en) * | 2007-05-25 | 2010-09-10 | Sika France | ADDITIVE PRODUCT FOR CONSTRUCTION MATERIAL |
| FR2916379B1 (en) * | 2007-05-25 | 2012-09-07 | Sika France | DEVICE FOR DELIVERING ADDITIVE PRODUCTS FOR CONSTRUCTION MATERIAL AND METHOD FOR DISPENSING USING SAID DEVICE |
| US8709394B2 (en) * | 2007-09-28 | 2014-04-29 | Ndsu Research Foundation | Antimicrobial polysiloxane materials containing metal species |
| JP5480144B2 (en) * | 2007-10-02 | 2014-04-23 | ナムローゼ・フェンノートシャップ・ベーカート・ソシエテ・アノニム | Assembly of concrete reinforcement and markers |
| SE0800296L (en) | 2008-02-11 | 2009-08-12 | Stig Hasselqvist | Ways to introduce fibers in fresh concrete |
| US20100004202A1 (en) * | 2008-02-15 | 2010-01-07 | Ndsu Research Foundation | Quaternary ammonium-functionalized-POSS compounds |
| CZ302761B6 (en) * | 2008-12-29 | 2011-10-26 | Centrum dopravního výzkumu, v. v. i. | Method of preparing capsules with frozen water coated reinforcing fiber and process for preparing fiber-reinforced concrete by making use of such capsules |
| EP2376719A1 (en) | 2009-01-09 | 2011-10-19 | NV Bekaert SA | Longitudinal belt with reinforcing fibres |
| WO2010142807A1 (en) | 2009-06-12 | 2010-12-16 | Nv Bekaert Sa | High elongation fibres |
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| BE1021496B1 (en) | 2010-12-15 | 2015-12-03 | Nv Bekaert Sa | STEEL FIBER FOR ARMING CONCRETE OR MORTAR, WITH AN ANCHORING END WITH AT LEAST TWO CURVED SECTIONS |
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| AU2021243605A1 (en) | 2020-03-24 | 2022-09-29 | Ccl Stressing International Ltd | Post-tensioned concrete slab with fibres |
| EP3964661A1 (en) | 2020-09-08 | 2022-03-09 | NV Bekaert SA | Post-tensioned concrete with fibers for slabs on supports |
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-
2001
- 2001-05-04 BE BE2001/0309A patent/BE1014155A3/en not_active IP Right Cessation
-
2002
- 2002-03-05 KR KR1020037013587A patent/KR100812413B1/en active IP Right Grant
- 2002-03-05 EA EA200301209A patent/EA004723B1/en not_active IP Right Cessation
- 2002-03-05 ES ES02724204T patent/ES2268019T3/en not_active Expired - Lifetime
- 2002-03-05 EP EP02724204A patent/EP1385682B1/en not_active Revoked
- 2002-03-05 JP JP2002587184A patent/JP2004525831A/en active Pending
- 2002-03-05 AU AU2002254927A patent/AU2002254927B2/en not_active Ceased
- 2002-03-05 DE DE60213780T patent/DE60213780T2/en not_active Expired - Lifetime
- 2002-03-05 DK DK02724204T patent/DK1385682T3/en active
- 2002-03-05 CN CNB028092813A patent/CN1232387C/en not_active Expired - Fee Related
- 2002-03-05 PL PL367059A patent/PL199310B1/en not_active IP Right Cessation
- 2002-03-05 CA CA2443816A patent/CA2443816C/en not_active Expired - Fee Related
- 2002-03-05 WO PCT/EP2002/002455 patent/WO2002090073A1/en active IP Right Grant
- 2002-03-05 PT PT02724204T patent/PT1385682E/en unknown
- 2002-03-05 BR BRPI0209316-2A patent/BR0209316B1/en not_active IP Right Cessation
- 2002-03-05 AT AT02724204T patent/ATE335579T1/en active
- 2002-03-05 MX MXPA03009993A patent/MXPA03009993A/en active IP Right Grant
- 2002-03-21 TW TW091105451A patent/TWI231800B/en not_active IP Right Cessation
- 2002-04-24 MX MXPA03009994A patent/MXPA03009994A/en active IP Right Grant
- 2002-04-24 JP JP2002587185A patent/JP2004531410A/en active Pending
- 2002-04-24 DE DE60215142T patent/DE60215142T2/en not_active Expired - Lifetime
- 2002-04-24 EP EP02740513A patent/EP1383634B1/en not_active Revoked
- 2002-04-24 ES ES02740513T patent/ES2271274T3/en not_active Expired - Lifetime
- 2002-04-24 CA CA2443851A patent/CA2443851C/en not_active Expired - Fee Related
- 2002-04-24 PT PT02740513T patent/PT1383634E/en unknown
- 2002-04-24 EA EA200301210A patent/EA004699B1/en not_active IP Right Cessation
- 2002-04-24 WO PCT/EP2002/004566 patent/WO2002090074A1/en active IP Right Grant
- 2002-04-24 KR KR1020037013511A patent/KR100816157B1/en not_active IP Right Cessation
- 2002-04-24 DK DK02740513T patent/DK1383634T3/en active
- 2002-04-24 PL PL366842A patent/PL205575B1/en not_active IP Right Cessation
- 2002-04-24 AU AU2002315323A patent/AU2002315323B2/en not_active Ceased
- 2002-04-24 CN CNB028092805A patent/CN1228179C/en not_active Expired - Fee Related
- 2002-04-24 AT AT02740513T patent/ATE341433T1/en active
- 2002-04-24 BR BRPI0209196-8A patent/BR0209196B1/en not_active IP Right Cessation
- 2002-05-03 AR ARP020101641A patent/AR034325A1/en active IP Right Grant
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2003
- 2003-10-07 ZA ZA200307822A patent/ZA200307822B/en unknown
- 2003-10-07 ZA ZA200307823A patent/ZA200307823B/en unknown
- 2003-10-20 US US10/687,973 patent/US7001657B2/en not_active Expired - Fee Related
- 2003-10-20 US US10/687,974 patent/US6945686B2/en not_active Expired - Lifetime
- 2003-11-03 NO NO20034902A patent/NO325070B1/en not_active IP Right Cessation
- 2003-11-03 NO NO20034903A patent/NO325040B1/en not_active IP Right Cessation
-
2005
- 2005-09-15 US US11/226,313 patent/US7674511B2/en not_active Expired - Fee Related
-
2006
- 2006-11-09 CY CY20061101611T patent/CY1107309T1/en unknown
- 2006-12-28 CY CY20061101857T patent/CY1105886T1/en unknown
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