SE458451B - Road lining of low viscosity filler - Google Patents
Road lining of low viscosity fillerInfo
- Publication number
- SE458451B SE458451B SE8505639A SE8505639A SE458451B SE 458451 B SE458451 B SE 458451B SE 8505639 A SE8505639 A SE 8505639A SE 8505639 A SE8505639 A SE 8505639A SE 458451 B SE458451 B SE 458451B
- Authority
- SE
- Sweden
- Prior art keywords
- cement
- low viscosity
- fly ash
- viscosity filler
- road lining
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/06—Combustion residues, e.g. purification products of smoke, fumes or exhaust gases
- C04B18/08—Flue dust, i.e. fly ash
- C04B18/088—Flue dust, i.e. fly ash in high volume fly ash compositions
-
- 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
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/10—Coherent pavings made in situ made of road-metal and binders of road-metal and cement or like binders
- E01C7/14—Concrete paving
- E01C7/142—Mixtures or their components, e.g. aggregate
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Combustion & Propulsion (AREA)
- Organic Chemistry (AREA)
- Architecture (AREA)
- Road Paving Structures (AREA)
- Processing Of Solid Wastes (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
Description
458 451 2 _ ganska stor då en sammansättning på 1:3 - 1:4 behöver användas för att ge tillfredsställande resultat. 458 451 2 _ quite large as a composition of 1: 3 - 1: 4 needs to be used to give satisfactory results.
I vår under behandling varande svenska patentansökan 8405344-6 beskrives en fyllmassa för äterfyllning av uppgrävningar. marktäckníng och liknande bestående av cement. flygaska, vat- ten. luft och skumbildande medel. Denna massa ställer sig mycket billig då den till största delen baseras på ett av- fallsmaterial. flygaska, som kommer fram i mycket stora kvan- titeter vid oljeeldade värmeverk. För fyllmassor vill man ha en blandning som blir lagom hård. tillräckligt mjuk för att inte spricka sönder och tillräckligt hård för att ge en till- fredsställande hållbarhet. och liknande fordringar ställes på ett effektivt bärlager.In our pending Swedish patent application 8405344-6, a filling mass is described for refilling excavations. ground cover and the like consisting of cement. fly ash, water. air and foaming agents. This pulp is very cheap as it is mostly based on a waste material. fly ash, which is produced in very large quantities at oil-fired heating plants. For fillers, you want a mixture that is hard enough. soft enough not to crack and hard enough to provide satisfactory durability. and similar claims are placed on an efficient base bearing.
För bärlagret enligt uppfinningen vill vi aktivera all flyg- aska enligt samma princip som när vi tillverkar betong inne- hållande cement och flygaska och vidare önskar vi nu att göra produkten mycket lättflytande så att den kan tränga ned i ma- kadamen med ganska liten vibreringsinsats. Hårdheten och hård- nandet åstadkommer vi genom att tillsätta så mycket cement eller kalk att all pozzolaniteten hos askan utnyttjas. En dylik blandning innehåller 15 - 25 S cement och 85_- 75 X flygaska från eldning med kol. torv. olja. etc.For the base layer according to the invention, we want to activate all fly ash according to the same principle as when we manufacture concrete containing cement and fly ash, and we now want to make the product very easy to flow so that it can penetrate into the macadam with quite little vibration. We achieve the hardness and hardening by adding so much cement or lime that all the pozzolanicity of the ash is utilized. Such a mixture contains 15 - 25 S cement and 85_- 75 X fly ash from firing with coal. peat. oil. etc.
Flytbarheten åstadkommer vi genom att använda normala betong- tillsatsmedel som är starkt vattenreducerande och genom att minska den största partikelstorleken med minst en tiopotens från 8 mm till mindre än l mn. Den normala flygaskan har en genomsnittlig partikelstorlek av ca 0.1 mm. av cement och flygaska kan användas som En dylik blandning injekteringsmedel i makadam. men blandningen kan ytterligare förbättras och kost- naden minskas genom tillsättning av finsand till cement-flyg- aska-blandningen. Finsand har vi ett stort överskott av här. då finšand alltid har kasserats vid vägbyggnation. Beroende'pâ sandens kvalitet kan 0 - 80 t tillsättas räknat på den totala bindemedelsvikten, dvs. cement eller kalk och flygaska. i | 458 451 I vissa fall kan det också bli nödvändigt att åstadkomma hög frostbeständighet på materialet vilket på sedvanligt sätt kan ske med tillsättníng av skumbildande medel.We achieve the flowability by using normal concrete additives that are strongly water-reducing and by reducing the largest particle size by at least one ten power from 8 mm to less than 1 mn. The normal fly ash has an average particle size of about 0.1 mm. of cement and fly ash can be used as such a mixture of grout in macadam. but the mixture can be further improved and the cost reduced by adding fine sand to the cement-fly-ash mixture. Finsand we have a large surplus of here. as finšand has always been discarded during road construction. Depending on the quality of the sand, 0 - 80 t can be added calculated on the total binder weight, ie. cement or lime and fly ash. i | 458 451 In some cases it may also be necessary to achieve high frost resistance of the material, which can be done in the usual way with the addition of foaming agents.
Bärlager av typen cementbruksbunden makadam enligt uppfin- ningen fâr bättre egenskaper än tidigare använda bärlager till en avsevärt lägre kostnad. För det dyraste alternativet enligt uppfinningen åtgår endast hälften så stor mängd cement varige- nom vår cementbruksbundna makadam blir ekonomiskt konkurrens- kraftig. Kostnaden kan också reduceras ytterligare och cement- åtgången minskas genom inblandning av finsand och andra av- fallsmaterial. Genom den förbättrade flytbarheten hos vår mas- sa nedbringas bearbetningskostnaderna för utläggningen betyd- ligt. och trots minskad vibrering förbättras ändå utfyllnaden av hålrummen i makadamen.Base layers of the type cement-bound macadam according to the invention have better properties than previously used base layers at a considerably lower cost. For the most expensive alternative according to the invention, only half as much cement is needed, as a result of which our cement-used macadam becomes economically competitive. The cost can also be further reduced and cement consumption reduced by mixing fine sand and other waste materials. Due to the improved flowability of our pulp, the processing costs for the laying are significantly reduced. and despite reduced vibration, the filling of the cavities in the macadam is still improved.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8505639A SE458451B (en) | 1985-11-29 | 1985-11-29 | Road lining of low viscosity filler |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8505639A SE458451B (en) | 1985-11-29 | 1985-11-29 | Road lining of low viscosity filler |
Publications (3)
Publication Number | Publication Date |
---|---|
SE8505639D0 SE8505639D0 (en) | 1985-11-29 |
SE8505639L SE8505639L (en) | 1987-05-30 |
SE458451B true SE458451B (en) | 1989-04-03 |
Family
ID=20362286
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8505639A SE458451B (en) | 1985-11-29 | 1985-11-29 | Road lining of low viscosity filler |
Country Status (1)
Country | Link |
---|---|
SE (1) | SE458451B (en) |
-
1985
- 1985-11-29 SE SE8505639A patent/SE458451B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
SE8505639D0 (en) | 1985-11-29 |
SE8505639L (en) | 1987-05-30 |
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