EP0925406A1 - Zuschlagstoff für verkehrsflächen - Google Patents
Zuschlagstoff für verkehrsflächenInfo
- Publication number
- EP0925406A1 EP0925406A1 EP97942802A EP97942802A EP0925406A1 EP 0925406 A1 EP0925406 A1 EP 0925406A1 EP 97942802 A EP97942802 A EP 97942802A EP 97942802 A EP97942802 A EP 97942802A EP 0925406 A1 EP0925406 A1 EP 0925406A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bitumen
- aggregate
- active ingredient
- grain size
- additive
- 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
- 239000010426 asphalt Substances 0.000 claims abstract description 36
- 238000000034 method Methods 0.000 claims abstract description 23
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 10
- 239000013543 active substance Substances 0.000 claims abstract description 9
- 239000011230 binding agent Substances 0.000 claims abstract description 5
- 239000008187 granular material Substances 0.000 claims abstract 3
- 239000004480 active ingredient Substances 0.000 claims description 16
- 239000010410 layer Substances 0.000 claims description 16
- 239000000654 additive Substances 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 14
- 230000000996 additive effect Effects 0.000 claims description 13
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 11
- 150000003839 salts Chemical class 0.000 claims description 10
- 239000011780 sodium chloride Substances 0.000 claims description 6
- 239000011241 protective layer Substances 0.000 claims description 5
- 239000000839 emulsion Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 239000004569 hydrophobicizing agent Substances 0.000 claims description 3
- 239000011163 secondary particle Substances 0.000 claims description 2
- 238000005054 agglomeration Methods 0.000 claims 1
- 230000002776 aggregation Effects 0.000 claims 1
- 235000013339 cereals Nutrition 0.000 description 17
- 239000000463 material Substances 0.000 description 11
- 239000000945 filler Substances 0.000 description 7
- 230000002401 inhibitory effect Effects 0.000 description 7
- 238000010276 construction Methods 0.000 description 6
- 229910052500 inorganic mineral Inorganic materials 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000011707 mineral Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000002344 surface layer Substances 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 1
- 241001065372 Gardnerodoxa Species 0.000 description 1
- 239000004890 Hydrophobing Agent Substances 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- -1 NaCI Chemical class 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000003841 chloride salts Chemical class 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 235000012222 talc Nutrition 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/24—Methods or arrangements for preventing slipperiness or protecting against influences of the weather
- E01C11/245—Methods or arrangements for preventing slipperiness or protecting against influences of the weather for preventing ice formation or for loosening ice, e.g. special additives to the paving material, resilient coatings
Definitions
- the invention relates to an aggregate for surfaces of traffic areas according to the preamble of claim 1 as well as a method for producing this aggregate and a method for its installation in a traffic area
- the main active ingredient used is salts such as NaCI.
- Such an additive which is added in the form of a filler, that is to say a very fine-grained material in a mixing plant, to the mix for a bitumen-bound top layer has proven successful.
- the active ingredient is mixed with a hydrophobicizing agent 29 621 A1 known.
- DE 42 30 545 C1 discloses a process for producing a synthetic salt-containing crushed sand or grit, which is also intended as an ice-forming-inhibiting additive for the construction of traffic areas. This material is formed by mixing a mortar mixture
- the surface layer of a road surface is usually several centimeters thick. In the course of the service life of the surface layer, only a small part of its layer thickness is worn away, so that only a small proportion of the aggregate mixed into the surface layer with an anti-icing effect has its intended effect Conversely, this means that the majority of this additive never reaches the area of the outer surface layer, ie is encapsulated and thus remains completely ineffective
- WO 94/23130 A basic possibility of remedying this unsatisfactory condition from an economic point of view is opened in WO 94/23130.
- This document describes a protective layer composed of a granular mineral component and a binding agent for the surfaces of traffic surfaces, the mineral component being a material that inhibits ice formation contains, which is at least partially in the form of a filler, that is to say very finely divided. Furthermore, the mineral component can be in the form of crushed sand and / or grit.
- the proportion of ice-inhibiting material in the mineral component should preferably be at least 30% by mass since protective layers which are hot, warm or cold can be applied in construction, have a much smaller layer thickness than a normal top layer, it is possible in this way to concentrate the substance that is effective in inhibiting ice formation on a much smaller volume fraction in the area near the surface than was previously the case. With regard to the size of the surface of a traffic area, considerable savings were made in the consumption of the active substance.
- the object of the invention is to propose a fine-grained aggregate with an ice formation-inhibiting effect for the construction of traffic areas, which is inexpensive to produce and easy to process, a concentration of this aggregate should be possible as close as possible to the surface area of the cover layer.
- the proportion of the substance effective for inhibiting ice formation should be as high as possible.
- a method for the production of this aggregate and a method for its installation in traffic areas are to be specified.
- the invention provides for the aggregate to be in the form of a fine-grained material with a maximum grain size of less than 0.5 mm.
- the aggregate preferably has at least 85% by weight of a grain size of less than 0.2 mm.
- An essential component of the individual grains is an ice formation inhibitor Active ingredient, preferably a salt such as NaCI, KCI or MgCI 2 , NaCI being particularly preferred because of the economically advantageous reference options (e.g. as a residual salt from another production).
- the active ingredient consists of pincer cores with a maximum pinion size of less than 0.2 mm, preferably less than 0. 09 mm, the surface is treated with bitumen, so that in particular the smallest Pnmarkornner agglomerate with each other to form larger secondary comers or are glued to larger Pnmarkorner More dusty
- bitumen treatment already protects the additive according to the invention against moisture absorption and an undesirably quick washout.
- the pnmark grains are treated before the treatment mixed with bitumen with a hydrophobing agent.
- the proportion of bitumen in the finished aggregate is usually in the range from 1 to 10% by mass, preferably in the range from 3 to 5% by mass.
- the ice-inhibiting W If the material is made of a bituminous material and bitumen, the aggregate may contain other components, such as limestone powder
- the aggregate according to the invention can be produced in a very simple manner.
- the finely divided active ingredient, preferably ground hydrophobized NaCl, and the optionally desired further components which have a particle size of less than 0.2 mm, preferably less than 0.09 mm. are placed in a compulsory mixer (e.g. ploughshare mixer).
- a compulsory mixer e.g. ploughshare mixer
- bitumen can be added in a single step or in several batches in succession If the bitumen is added in the form of an emulsion, mixing can be done cold, i.e. at ambient temperature.
- bitumen is used as a binder
- the walls of the mixer are heated in order to adhere the To avoid the mixture, and the bitumen is added at a temperature in the range of about 180-250 ° C, preferably 220-230 ° C.
- the bitumen is added at a temperature in the range of about 180-250 ° C, preferably 220-230 ° C.
- the bitumen By adding the bitumen, the smallest pnmark grains of the mixture agglomerate with one another or stick together with larger p ⁇ markornem and form on them Larger secondary grains, which means that the fine fraction with a ma ximal grain size below 0.003 mm practically completely bound
- the mixing is carried out at least until the bitumen is evenly distributed in the mixture, and is ended before the agglomerates that form exceed a secondary grain size of 0.5 mm, preferably 0 3 mm
- the mixture produced is removed from the mixer and filled into transport containers for further processing in traffic flat construction.
- the product produced in this way
- bitumen when using hot bitumen as a binder, the mixture does not even need to be cooled to a low temperature before it can be packaged, since it surprisingly remains nebulizable even when warm.
- the bitumen is added when hot
- the amount of bitumen is preferably set in the range of 3-5% by mass.
- the mixing time can generally be limited to a period of 1.5-8 minutes, preferably 3-5 minutes. If, under unfavorable conditions, small amounts of undesirably large secondary particles have formed, these can be sieved if necessary. This does not usually occur
- the processing of the aggregate according to the invention can be carried out in different ways. It is recommended that the aggregate in the quantity desired in each case, preferably
- the traffic area is then rolled over, so that the aggregate is also stored to a certain depth in the top layer covering.
- the use of the material according to the invention is in principle possible in the new building n Traffic surfaces as well as surface treatment by applying protective layers, both for hot installation and cold installation
- the surfaces of the traffic surfaces produced in this way have an excellent anti-icing effect over very long periods of time. Compared to the processing of conventional anti-icing additives, the invention results in considerable material savings
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Road Signs Or Road Markings (AREA)
- Traffic Control Systems (AREA)
- Disintegrating Or Milling (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
- Road Repair (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19638743A DE19638743C2 (de) | 1996-09-10 | 1996-09-10 | Körniges Material, dessen Herstellung und Verwendung |
| DE19638743 | 1996-09-10 | ||
| PCT/DE1997/001972 WO1998011301A1 (de) | 1996-09-10 | 1997-09-04 | Zuschlagstoff für verkehrsflächen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0925406A1 true EP0925406A1 (de) | 1999-06-30 |
| EP0925406B1 EP0925406B1 (de) | 2001-07-04 |
Family
ID=7806449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP97942802A Expired - Lifetime EP0925406B1 (de) | 1996-09-10 | 1997-09-04 | Zuschlagstoff für verkehrsflächen |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0925406B1 (de) |
| AT (1) | ATE202813T1 (de) |
| AU (1) | AU4450897A (de) |
| CZ (1) | CZ81299A3 (de) |
| DE (2) | DE19638743C2 (de) |
| PL (1) | PL332090A1 (de) |
| WO (1) | WO1998011301A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10117437A1 (de) * | 2001-04-03 | 2002-10-17 | Wilhelm Kaemereit | Verfahren zur Verhinderung winterlicher Glättebildung auf Verkehrsflächen sowie Bitumenemulsion |
| US7465360B2 (en) * | 2005-05-02 | 2008-12-16 | Southwest Research Institute | Methods for removing a dispersed lubricious coating from a substrate |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3404271A1 (de) * | 1984-02-03 | 1985-08-08 | Mannesmann AG, 4000 Düsseldorf | Feinkorngemisch |
| DE3808250A1 (de) * | 1988-03-12 | 1989-09-21 | Veba Oel Ag | Strassenbelag aus einem asphaltmischgut mit einer eishemmenden komponente |
| NO176812C (no) * | 1989-10-13 | 1995-05-31 | Mannesmann Ag | Fremgangsmåte for fremstilling av en finkornblanding som viser hydrofobe egenskaper |
| CS113591A3 (en) * | 1991-04-22 | 1992-11-18 | Pavol Ing Kovac | Antifreeze ingredient into bituminous wearing courses of roads andpavements |
| DE4129621A1 (de) * | 1991-09-06 | 1993-03-11 | Gruenau Gmbh Chem Fab | Pulverfoermiger hydrophober fueller fuer bitumengebundene verkehrsflaechen |
| DE4230545C1 (de) * | 1992-09-09 | 1994-03-24 | Mannesmann Ag | Verfahren zur Herstellung eines synthetischen salzhaltigen Brechsandes und/oder Splitts |
| WO1994023130A1 (de) * | 1993-04-01 | 1994-10-13 | Mannesmann Ag | Schutzschicht für die oberfläche von verkehrsflächen und verfahren zur aufbringung einer schutzschicht |
-
1996
- 1996-09-10 DE DE19638743A patent/DE19638743C2/de not_active Expired - Fee Related
-
1997
- 1997-09-04 PL PL97332090A patent/PL332090A1/xx unknown
- 1997-09-04 AT AT97942802T patent/ATE202813T1/de not_active IP Right Cessation
- 1997-09-04 AU AU44508/97A patent/AU4450897A/en not_active Abandoned
- 1997-09-04 CZ CZ99812A patent/CZ81299A3/cs unknown
- 1997-09-04 WO PCT/DE1997/001972 patent/WO1998011301A1/de not_active Ceased
- 1997-09-04 EP EP97942802A patent/EP0925406B1/de not_active Expired - Lifetime
- 1997-09-04 DE DE59703969T patent/DE59703969D1/de not_active Expired - Fee Related
Non-Patent Citations (1)
| Title |
|---|
| See references of WO9811301A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE19638743A1 (de) | 1998-03-12 |
| DE59703969D1 (de) | 2001-08-09 |
| WO1998011301A1 (de) | 1998-03-19 |
| AU4450897A (en) | 1998-04-02 |
| EP0925406B1 (de) | 2001-07-04 |
| PL332090A1 (en) | 1999-08-30 |
| ATE202813T1 (de) | 2001-07-15 |
| DE19638743C2 (de) | 1998-11-26 |
| CZ81299A3 (cs) | 1999-07-14 |
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