CN104671720B - Use road filling of building waste and gangue manufacture and preparation method thereof - Google Patents
Use road filling of building waste and gangue manufacture and preparation method thereof Download PDFInfo
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- CN104671720B CN104671720B CN201510107754.1A CN201510107754A CN104671720B CN 104671720 B CN104671720 B CN 104671720B CN 201510107754 A CN201510107754 A CN 201510107754A CN 104671720 B CN104671720 B CN 104671720B
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- building waste
- micropowder
- road
- exciting agent
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- 239000002699 waste material Substances 0.000 title claims abstract description 84
- 238000011049 filling Methods 0.000 title claims abstract description 64
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 title abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 107
- 239000003795 chemical substances by application Substances 0.000 claims description 66
- 239000000203 mixture Substances 0.000 claims description 38
- 238000000034 method Methods 0.000 claims description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 239000004568 cement Substances 0.000 claims description 22
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 21
- 239000004567 concrete Substances 0.000 claims description 20
- 150000001875 compounds Chemical class 0.000 claims description 17
- 239000002245 particle Substances 0.000 claims description 16
- 239000011449 brick Substances 0.000 claims description 13
- 239000000292 calcium oxide Substances 0.000 claims description 11
- 235000012255 calcium oxide Nutrition 0.000 claims description 11
- 239000002994 raw material Substances 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 10
- 239000010881 fly ash Substances 0.000 claims description 7
- 239000002956 ash Substances 0.000 claims description 6
- 102000004190 Enzymes Human genes 0.000 claims description 4
- 108090000790 Enzymes Proteins 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 102000004160 Phosphoric Monoester Hydrolases Human genes 0.000 claims description 2
- 108090000608 Phosphoric Monoester Hydrolases Proteins 0.000 claims description 2
- RSWGJHLUYNHPMX-ONCXSQPRSA-N abietic acid Chemical compound C([C@@H]12)CC(C(C)C)=CC1=CC[C@@H]1[C@]2(C)CCC[C@@]1(C)C(O)=O RSWGJHLUYNHPMX-ONCXSQPRSA-N 0.000 claims description 2
- 125000000188 beta-D-glucosyl group Chemical group C1([C@H](O)[C@@H](O)[C@H](O)[C@H](O1)CO)* 0.000 claims description 2
- -1 polyethylene Polymers 0.000 description 27
- 239000000843 powder Substances 0.000 description 24
- 239000004698 Polyethylene Substances 0.000 description 17
- 239000000835 fiber Substances 0.000 description 17
- 229920000573 polyethylene Polymers 0.000 description 17
- 239000002585 base Substances 0.000 description 16
- 238000012360 testing method Methods 0.000 description 16
- 239000003245 coal Substances 0.000 description 15
- 150000003839 salts Chemical class 0.000 description 15
- 238000010276 construction Methods 0.000 description 14
- 239000010813 municipal solid waste Substances 0.000 description 14
- 239000000126 substance Substances 0.000 description 11
- 239000004743 Polypropylene Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 10
- 238000000227 grinding Methods 0.000 description 10
- 229920001155 polypropylene Polymers 0.000 description 10
- 239000003638 chemical reducing agent Substances 0.000 description 9
- 239000000178 monomer Substances 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 239000000654 additive Substances 0.000 description 8
- 230000002708 enhancing effect Effects 0.000 description 8
- 229910052500 inorganic mineral Inorganic materials 0.000 description 8
- 235000010755 mineral Nutrition 0.000 description 8
- 239000011707 mineral Substances 0.000 description 8
- 230000004048 modification Effects 0.000 description 8
- 238000012986 modification Methods 0.000 description 8
- 238000011160 research Methods 0.000 description 8
- 239000002689 soil Substances 0.000 description 8
- 238000013461 design Methods 0.000 description 7
- 239000003607 modifier Substances 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 230000000996 additive effect Effects 0.000 description 6
- 239000004566 building material Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 6
- 239000004033 plastic Substances 0.000 description 6
- 239000002023 wood Substances 0.000 description 6
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical group C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 229960000913 crospovidone Drugs 0.000 description 5
- 239000006063 cullet Substances 0.000 description 5
- 235000013809 polyvinylpolypyrrolidone Nutrition 0.000 description 5
- 229920000523 polyvinylpolypyrrolidone Polymers 0.000 description 5
- 230000001172 regenerating effect Effects 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 4
- 239000011575 calcium Substances 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 239000004035 construction material Substances 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- 239000012634 fragment Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000006116 polymerization reaction Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000004570 mortar (masonry) Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 229920000128 polypyrrole Polymers 0.000 description 3
- 239000003755 preservative agent Substances 0.000 description 3
- 230000002335 preservative effect Effects 0.000 description 3
- 230000008929 regeneration Effects 0.000 description 3
- 238000011069 regeneration method Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000004067 bulking agent Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000001110 calcium chloride Substances 0.000 description 2
- 229910001628 calcium chloride Inorganic materials 0.000 description 2
- XFWJKVMFIVXPKK-UHFFFAOYSA-N calcium;oxido(oxo)alumane Chemical compound [Ca+2].[O-][Al]=O.[O-][Al]=O XFWJKVMFIVXPKK-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
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- 230000032050 esterification Effects 0.000 description 2
- 238000005886 esterification reaction Methods 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 230000036571 hydration Effects 0.000 description 2
- 238000006703 hydration reaction Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 238000007885 magnetic separation Methods 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 229920005646 polycarboxylate Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 229910052911 sodium silicate Inorganic materials 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 239000012855 volatile organic compound Substances 0.000 description 2
- WROUWQQRXUBECT-UHFFFAOYSA-N 2-ethylacrylic acid Chemical compound CCC(=C)C(O)=O WROUWQQRXUBECT-UHFFFAOYSA-N 0.000 description 1
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 229920010126 Linear Low Density Polyethylene (LLDPE) Polymers 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 239000011398 Portland cement Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 239000010430 carbonatite Substances 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 229940030341 copper arsenate Drugs 0.000 description 1
- RKYSWCFUYJGIQA-UHFFFAOYSA-H copper(ii) arsenate Chemical compound [Cu+2].[Cu+2].[Cu+2].[O-][As]([O-])([O-])=O.[O-][As]([O-])([O-])=O RKYSWCFUYJGIQA-UHFFFAOYSA-H 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000012407 engineering method Methods 0.000 description 1
- 230000006353 environmental stress Effects 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 239000011396 hydraulic cement Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
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- 229920000092 linear low density polyethylene Polymers 0.000 description 1
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- 229920001684 low density polyethylene Polymers 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004899 motility Effects 0.000 description 1
- 239000005445 natural material Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000010420 shell particle Substances 0.000 description 1
- 229910052604 silicate mineral Inorganic materials 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000003900 soil pollution Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000004154 testing of material Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 239000010878 waste rock Substances 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
- 150000007934 α,β-unsaturated carboxylic acids Chemical class 0.000 description 1
Classifications
-
- 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
- Y02W30/58—Construction or demolition [C&D] waste
-
- 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
- Road Paving Structures (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses road filling of use building waste and gangue manufacture and preparation method thereof, gross weight meter based on this road filling, comprise the micropowder that 1 15 weight % are active, 10 30 weight % gangues, 40 60 weight % are the earth material of isolated from building waste, and the exciting agent of 0.02 0.06 weight %.The road filling of the present invention, while meeting road index request, makes building waste be fully used.
Description
Technical field
The present invention relates to road filling using building waste and gangue manufacture and preparation method thereof.
Background technology
Building waste refers mainly to build, all kinds of structures, building etc. are built by unit in charge of construction or individual, repair,
All kinds of garbages such as the earth removed and carry out producing during house decoraton, waste residue, mortar.Different types of building structure is produced
The basic composition of raw building waste is consistent, and main component includes earth, the mortar that is scattered, waste residue, bituminous concrete fragment, beats
Remaining armored concrete pile crown is blocked in stake, cement concrete, picks the masonry that chisel produces, various old metal, timber, all kinds of building materials
The packaging material of product, wall insulated board, the waste material that fitment process produces and other garbage.
Gangue is that a kind of phosphorus content of discharge is relatively low, harder than coal in construction of coal mine, coal mining and the course of processing
Black gray expandable waste rock, be one of maximum industrial residue of China discharge capacity, China's gangue product is about raw coal output
15%-20%, causes accumulating about 3,000,000,000 tons, forms about 1500 coal gangue hills, currently with the speed of annual emissions about 1.5 hundred million tons
Degree increases, and annual newly-increased floor space about 100,000 mu, the utilization rate of China's gangue is the highest, well below foreign level.Not profit
The stacking of gangue occupied a large amount of soil and farmland, surrounding is caused pollution greatly.To coal gangue pollution
And comprehensive utilization, increasingly it is subject to people's attention.
Character to gangue also lacks and gos deep into systematic research at present, and the chemical composition of gangue has with place of production change
Institute is different, and chemical property is the most variant, and highway compares high with road construction code requirement, and gangue is as continental rise filling material
Key property, every Testing index, detection method and construction requirement all there is no corresponding standard foundation, current specifications and data
Can not find out necessary data and way, therefore its application is very restricted, and uses on highway, especially on highway
Make roadbed material the most effectively to be promoted.Gangue also exists empirical and subjective in the use of road engineering roadbed filling
Property, lack scientific research and the theory summary of system.
On the other hand, building waste, compared with other municipal refuse, has the spy such as low toxicity, harmless, resourcebility utilization
Point, along with the fast development of urban construction, natural material will be day by day exhausted, if carried out by certain technology by building waste
Effective regeneration utilizes, and is possible not only to solve this contradiction, moreover it is possible to eliminate the rubbish harm to environment, it is achieved economic sustainable development
Exhibition.The research ratio that building waste is recycled by China is later, though achieving certain achievement in research at present, but still lacks relatively system
Research, lack standard and the code of perfect regeneration techniques.In China, building different kinds of roads needs substantial amounts of material, if
Building waste can be used in road engineering, then will produce great economic worth.
Meanwhile, the factor such as standard-required of the multiformity of building waste and road filling increasingly stringent so that build
Building refuse application in road filling is subject to many limitations, and such as building waste utilization rate is the highest, road filling
Ratio shared by middle building waste is less, etc..
CN1133269A has opened a kind of for road engineering and the Binder Materials of other civil engineering and production method, and it produces
Product are mainly used in requirement engineering wear-resisting, corrosion resistant and anti-drying shrinkage requirement is higher, the heat of hydration is relatively low other engineering, and its feature exists
In this product (cement) be by through clear up in advance process and slag and slag after magnetic separation, flyash, portland cement clinker, containing aluminum sulphuric acid
Salt and silicate mineral many kinds of substance grinding mix.
CN101239804A discloses a kind of method using building waste to manufacture building materials, and it is to urban architecture material successively
Carry out sorting, magnetic separation, primary fragmentation and gravity separation, building waste is separated into heavy material, light material and mineral materials, and will
Described mineral materials is used for manufacturing construction material after second-time breakage, and the raw material of described construction material includes: fibre material
5-10 part, mineral materials 40-60 part, low-water cement 20-30 part and unclassified stores 0-30 part, the production process of described construction material
For by fibre material, mineral materials and unclassified stores mix homogeneously, adding low-water cement mix homogeneously, add water stirring pulping,
Insert vibration moulding or extrusion forming in mould, after natural curing, form structural lumber product.In this patent documentation, only
Make use of the mineral materials in building waste, building waste overall utilization is low, it is thus achieved that the complex steps of mineral materials, and
The ratio of construction material Minerals material is the highest, time even more important, this building waste be for prepare plate product rather than
For preparation, intensity, resistance to water are required higher road filling.
CN101348343A discloses a kind of building materials utilizing building waste to produce and preparation method thereof, technology to be solved
Problem is to make that material configuration is simple, reduce cost, its by the following technical solutions: a kind of building materials utilizing building waste to produce,
Including weight ratio number be: building waste 85-97 part, quick lime 3-15 part, described building waste includes masonry and concrete,
Effective CaO content >=85% in described quick lime.The method comprises the following steps: (1) carries out primary election to building waste；(2)
Comminuted starting materials, it is more than 0 to 4mm that building waste raw material is crushed to granularity, is milled to by the quick lime of CaO content >=85%
Less than 100 mesh；(3) raw material coordinates, by the building waste pulverized and quick lime fine powder building waste 85-97 by weight
Part, quick lime 3-15 part are transported to slaking silos after being mixed evenly, stop 1-3 hour；(4) molding, enters from slaking silos material out
Enter blender, after adding the 5-8% water mix of total dry powder consumption, be delivered to feed bin, brick machine be pressed into variously-shaped
Section bar, the pressure of use is 200-1500 ton, 1-3 second pressing time；(5) autoclave curing, is 190-230 DEG C in temperature, pressure
Power is maintenance 6-10 hour under conditions of 7-10kg, is building materials finished product.In this patent documentation, it is mainly used for manufacturing molding
Building material product, it is impossible to enough make road filling, such as intensity is nowhere near.
WO2006033561A1 discloses a kind of method of building waste sorting.In the process, will be ground into pre-
The building castoff of sizing joins in the liquid of stillpot, and is separated into various component in groove according to proportion, its
In, described liquid has the reference specific gravity low but higher than the proportion of remaining ingredient than the proportion reclaiming component, thus only makes to return
The component received separates by being deposited to the bottom of described stillpot.According to described method, can easily will be contained in
Other impurity in building castoff separates with the aggregate of the repeatable utilization of high-quality.Specifically, to the reference separating liquid
Proportion carries out suitable adjustment, thus even can easily by than water weight various impurity (tile, Rhizoma Begoniae Willsonii, bituminous concrete,
Cement lumps etc.) separate with the aggregate of repeatable utilization.The document concern is primarily with the sorting of building waste.
JP2006257681A discloses a kind of method utilizing building waste to manufacture mineral material, and the method can be effective
Reducing the volatilization of the VOC that building waste produces when high-temperature process, it is by burning shell and pulverizing product
The volatile organic compound that raw porous shell particle and described material produce when adsorbing building waste high-temperature process
Thing, so that the recycling of building waste is more green and safety.The method cost is higher.
KR100938212B1 discloses a kind of compositions for building the road, said composition comprise 10-30 weight % resin,
22-27 weight % environmental protection is gathered materials, 22-27 weight % recirculation chip material, 13-18 weight percent filler, 1.5-5 weight pigment and and
1.5-3 weight % common additives.Said composition cost contains a large amount of resin, and cost is higher and the most ageing-resistant, additionally, due to
Lack cement component, at least intensity wretched insufficiency.
Non-patent literature " experimental study that construction refuse regenerated micropowder utilizes ", Ma Chuntao etc., Ningxia engineering, the 8th
Rolling up for the 1st phase, in March, 2009 discloses the method for manufacture and use thereof of construction refuse regenerated micropowder, and wherein the raw material of regenerative micro powder is
At regenerative bone material by concrete during broken, screening etc., inevitably result from accounting for regeneration aggregate quality about 10%, particle diameter
< fine powder material of 0.16mm, the high specific surface area grinding acquisition micropowder is only 735.4m2/kg。
Need the road filling of a kind of building waste complex coal spoil so that building waste and the utilization of gangue
Rate is high, and the performance of this road filling can reach the performance of presently used road filling, it is possible to further make
Road concrete has works fine and later strength, and can improve the early stage wearability of concrete.
Summary of the invention
In order to overcome the above-mentioned problems in the prior art, the present inventor is through further investigation, it is proposed that a kind of new
Solution so that the primary raw material of road filling is building waste and gangue, and can make building waste and coal
The road filling performance that spoil is comprehensively utilized, prepare completely can be up to standard.The technical scheme is that
On the one hand, it is provided that a kind of road filling, gross weight meter based on this road filling, it comprises 1-
The micropowder that 15 weight % are active, 10-30 weight % gangue, 40-60 weight % is the mud of isolated from building waste
Soil material, and the exciting agent of 0.02-0.06 weight %.
The content of described active micropowder is preferably 5-10 weight %, more preferably 8-10 weight %.
The content of described gangue is preferably 15-30 weight %, more preferably 20-25 weight %.
Described from building waste the content of the earth material of isolated be preferably 40-55 weight %, more preferably 40-50
Weight %.
The content of described exciting agent is preferably 0.02-0.06 weight %, more preferably 0.03-0.05 weight %.
Described road filling does not the most comprise cement, Colophonium or cement concrete.
Described active micropowder can be that the following two kinds micropowder (1) and (2) mix system with the part by weight of 1:5-5:1
Mixture: (1) by by the Rhizoma Begoniae Willsonii in building waste, blue bricks, watt and/or cullet crush, be ground to specific surface area and be
750-2200m2/ kg, preferably 1000-2200m2/ kg, more preferably 1500-2200m2The micropowder that/kg obtains；(2) by flyash
Crushing, being ground to specific surface area is 800-2600m2/ kg, preferably 1200-2600m2/ kg, more preferably 1800-2600m2/ kg obtains
Micropowder..
Described earth material can be the soil separated from building waste and great soil group impurity.
Described exciting agent can be compound bio exciting agent, it is also possible to for bases exciting agent and/or salt exciting agent.
In a preferred embodiment, the particle diameter of described gangue is 2-10cm, and Surface coating has volcanic ash.Its
Preparation method includes: coal shale in brick making is broken into the blocky-shaped particle that particle diameter is 2-10cm by (1)；(2) by described blocky-shaped particle with
Based on this blocky-shaped particle gross weight meter 0.01-0.05 weight %, the quick lime (CaO) of preferably 0.02 weight % and 0.1-1.0 weight
Amount %, the volcanic ash mixing of preferably 0.5 weight %, to uniformly, prepares compound；(3) add based on this mixed to described compound
Close material gross weight meter 0.1-1.5 weight %, the water of preferably 1.0 weight %, be stirred until homogeneous, place 1-the most at ambient conditions
5 days.
The definition of described gangue particle diameter is identical with the particle diameter implication of irregular particle thing as commonly understood in the art, refers to
The maximum particle diameter of blocky-shaped particle.
The inventors discovered that, gangue under the effect of air and water, may proceed to occur physical and chemical reaction, such as its
In non-oxidized portion may proceed to aoxidize, therefore character is unstable, needs to carry out stabilizing treatment.The present inventor is through deep
Enter research to find, can be completely cut off it after one layer of volcanic ash of gangue Surface coating and contact with external environment, prevent it from thing occurring
Reason and chemical reaction, be greatly enhanced stability.In the present invention, by utilizing the reaction of quick lime that volcanic ash can be made firm
Be attached to gangue surface, serve good encapsulating effect.In bastard coal rock layers when this prior encapsulating mode and construction
Top carries out sealing with bottom and compares, and sealing effectiveness is the most a lot, almost can completely cut off external environment condition completely.Find through test,
This gangue encapsulating mode of the present invention, carry out sealing at the top of bastard coal rock layers and bottom during with construction compared with, it is possible to make
The life of the roadbed of use gangue more than 2 times, and there is bigger construction motility.As it was noted above, gangue
Along with the place of production is different, chemical property there are differences, and therefore fills to road and brings the biggest unpredictability, but, pass through
The encapsulating mode of the present invention, can eliminate the uncertainty of the paved roads performance that this nature difference brings.
In prepared by the existing regenerative micro powder with building waste as raw material, its raw material used is the most all useless coagulation
Soil prepares the thin particulate matter produced in aggregate, and the micropowder prepared is difficult to obtain bigger specific surface area.With greater need for pointing out
, in prepared by the existing regenerative micro powder with building waste as raw material, in order to make the building or the road filling that prepare
Meet requirement, only substitute part of cement in concrete material with regenerative micro powder, and cement can not be substituted completely.
The present inventor has now surprisingly been found that, by by the Rhizoma Begoniae Willsonii in building waste, blue bricks, watt and/or cullet carry out
Broken, grind, it is possible to obtain the micropowder that the performance of high surface is the most excellent, its after being excited by the exciting agent of the present invention at certain
A little aspect of performances have exceeded cement, enabling substitute cement conventionally used in road filling completely, and simultaneously can
Reach road and fill required performance indications.Speculate its reason, it may be possible to because the concrete in building waste and building rubbish
Rhizoma Begoniae Willsonii in rubbish, blue bricks, watt and/or cullet compare, water absorption compared with big, intensity is relatively low, fragility is relatively big, these features cause by
Micropowder prepared by regenerated waste concrete is difficult to the cement substituting in road filling completely.By contrast, brick powder is used as road
Filling material reaction time, the SiO in chemical composition2And Al2O3Isoreactivity component and the component such as calcium hydroxide in exciting agent
Reaction, generates the products such as hydrated calcium silicate, drated calcium aluminate or hydrated calcium aluminate sulfate, thus forms cement strength.
The present inventors have additionally discovered that, the specific surface area of active micropowder (1) is only at 750-2200m2In the range of/kg
Can effectively play the vicarious function of cement, the comprcssive strength needed for making road filling obtain.Specific surface when micropowder
Long-pending less than 750m2During/kg, then the lateral reactivity of this micropowder is inadequate, such as, make the comprcssive strength of road, cracking resistance not enough.And
When specific surface area is more than 2200m2During/kg, then performance improves no longer notable and preparation cost increase.By contrast, use is worked as
When discarded concrete carries out the grinding of micropowder, owing to its water absorption is big, it is easy to cause humidity, and due to complicated component, comprise
Certain proportion is difficult to the sand grains ground, even if being also difficult to obtain 500m by grinding2The specific surface area of/more than kg, in addition institute
State the features such as water absorption is big, intensity is low, cause the cement being merely capable of substituting finite part in road filling.The present invention
Middle Rhizoma Begoniae Willsonii, blue bricks, watt and/or the grinding of cullet can carry out in the presence of abrasive media.Described grinding can be at grinding medium
Carrying out in the presence of matter, described abrasive media is preferably the blending agent of the yttrium stable zirconium oxide ball of Zirconium orthosilicate. ball sum.
Equally, find that the specific surface area of active micropowder (2) is only at 800-2600m2Can in the range of/kg
Road concrete is effectively made to have works fine and later strength and early stage wearability.
In construction rubbish, Rhizoma Begoniae Willsonii, blue bricks and tile account for about 7.0 weight % of rubbish composition, in removing rubbish, red
Brick accounts for about 5 weight % of rubbish composition, there is also many unhydrated cement in building waste, and these are all that the present invention is micro-
The preparation of powder provides the source of abundance.
About building waste component, from the point of view of old building removes the component of rubbish, concrete proportion is up to 50%
Above, next to that earth (about 10%), stone and rubble (about 10%) etc.；From the point of view of the component of New Buildings construction rubbish,
Earth ratio about more than 30%, next to that stone and rubble (about 25%), concrete (about 20%) etc..These are road of the present invention
In filling material, earth material provides sufficient source.
In the road filling of the present invention, exciting agent can be compound bio exciting agent, it is also possible to excite for bases
Agent and/or salt exciting agent.
Described compound bio exciting agent can be TerraZyme enzyme, β-glucosyl enzym and phosphatase with (10～15): (1～
2): the mixture of (2～3) weight ratio.
By the combination of these 3 kinds of enzymes, it can be made to find mutual promoting action.When using described compound bio exciting agent
When road filling is used as base material, it is possible to significantly improve unconfined compressive strength, performance is drawn in bending resistance, resistance to compression and bending resistance are drawn
Modulus, enables in particular to make unconfined compressive strength relative to described without described compound bio exciting agent or use single life
The road filling of thing exciting agent (such as TerraZyme enzyme), it is possible to increase at least about 17%.The compound bio of the present invention swashs
Send out agent and can also add the stability of paver, extend the life-span of road, and can be in long-term existence basic unit, energy
Enough keep solidification effect for a long time.
In the road filling of the present invention, about described bases exciting agent and/or salt exciting agent, preferably bases
Exciting agent and the combination of salt exciting agent, i.e. composite exciting agent.Alkali-activated carbonatite mainly increases the OH of slurry-Concentration. improve liquid phase
Basicity, makes the pH value of liquid phase keep about about 12, this formation being conducive to entringite and C3S、C2The raising of S hydration rate, from
And excite the activity of micropowder in road filling.
It addition, being crushed by flyash, being ground to specific surface area is 800-2600m2The micropowder that/kg obtains is by red with aforementioned
Brick, blue bricks, watt and/or cullet to crush, be ground to specific surface area be 750-2200m2The micropowder phase grating that/kg obtains, the two
Mutually collaborative facilitation can be played, the micropowder such as obtained by flyash can make by Rhizoma Begoniae Willsonii, blue bricks, watt and/or broken glass
The excitation rate of the micropowder that glass obtains improves by about one time.
Described exciting agent can be compound bio exciting agent, it also may be preferable for for bases exciting agent and/or salt exciting agent.This
Inventor also finds, is likely difficult to make road filling to reach desirable by single alkali-activator, exciting agent with
The matching of other material is poor, and the stability of road filling is undesirable.The present inventor through numerous studies and test,
Seek composite exciting agent and described micropowder and the optimum matching relation of earth class raw material, finally found that and the most further preferably add necessarily
The salt exciting agent of amount.
Described composite exciting agent is bases exciting agent A and the compositions of salt exciting agent B, and the weight ratio of exciting agent A with B is
2:1-6:1；Bases exciting agent A is gross weight meter 20-30 weight %Ca (OH) based on bases exciting agent A2, 10-20 weight %
NaOH, 10-30 weight %Na2CO3With 20-30 weight %Na2SiO3·9H2The mixture of O；Salt exciting agent B is based on salt
Gross weight meter 10-30 weight %Na of exciting agent B2SO4, 20-30 weight %CaSO4·2H2O, 10-20 weight %CaCl2And 20-
30 weight %Ca2SO4Mixture.
This road filling can also comprise the modification from building waste of 1-5 weight % and the lumber fibre material of enhancing
Material, the lumber fibre material of wherein said modification and enhancing prepares by the following method:
(1) culled wood in building waste is chopped into the segment materials that maximum gauge is 0.5-2cm；
(2) segment materials of chopped is placed in agitator tank, adds the aqueous solution of surface modifier, stir evenly, segment materials
Being 200:1-500:1 with the mass ratio of surface modifier, described surface modifier is crospovidone, poly-second in solution
The concentration of alkene polypyrrole alkanone is 20-30 weight %；
(3) adding polyethylene powders, polypropylene powder or its mixture in the segment materials after surface modification, mixing is all
Even, make the surface attachment polyethylene powders of segment materials, polypropylene powder or its mixture, described segment materials and polyethylene,
The mass ratio of polypropylene or its mixture is 10:1-100:1；
(4) compound step (3) obtained is at 110 DEG C-220 DEG C, preferably 120 DEG C-180 DEG C, more preferably 130-170 DEG C
Under conditions of heat treatment 30-60 minute, obtain lumber fibre material that is modified and that strengthen after being cooled to room temperature.
The appropriate mass ratio of described timber segment materials and polyethylene powders, polypropylene powder or its mixture so that
After heat treatment, the polyethylene of hot melt and/or polypropylene can substantially completely be coated with the surface of timber fragment just, if described
Amount of polymeric material is less, then the surface of timber fragment can not be completely covered, and makes timber segment materials as roadbed material
Material is prone to degrade the most rotten during using, and if described amount of polymeric material is excessive, then becoming present aspect not have
Effect, and make the performance such as toughness and some strength of timber itself be difficult to bring into play.
As it was noted above, in current building waste recycles, the waste and old wood in building waste is not had
Effect utilizes, such as comprise the wood type building waste of significant proportion in decoration garbage, be not the most fully used, often quilt
Incinerate, the most effectively utilize it to be worth, also result in Heavy environmental pollution.For this problem, the present inventor is through research
Find, by according to the method described above timber being modified and strengthening, can particularly advantageously be used as road the steady layer of water,
In basic unit etc..Generally understanding in the past is that timber is prone to rotten, particularly in the environment having water to also exist, it is difficult to be used in
In the filling material of road, it is more difficult to be used in the steady layer of water.In the present invention, by it being modified and enhancement process so that it is tool
There are enough resistances to water, even if it is used in the steady layer of water, basic unit etc. in road fills simultaneously, also will not be due to the effect of light
Cause material modified aging.
The waste plastics that described polyethylene, polypropylene or its mixture are preferred from rubbish.Preferably polyethylene, more preferably line
Property Low Density Polyethylene (LLDPE).It is known in the art that the waste plastics (such as various waste plastic bottles) in rubbish such as building waste is main
If linear low density polyethylene (LLDPE), it has intensity height, good toughness, rigidity is strong, heat-resisting, cold-resistant, chemical stability is good
Etc. advantage, also there is the performances such as good resisting environmental stress and cracking, tear-resistant intensity, and can acid and alkali resistance, organic solvent etc..
The present inventor finds through further investigation, and the material property required by these performances described and roadbed material is the most identical, because of
Lumber fibre material is strengthened by this polyethylene being preferably used from the waste plastics in rubbish.Obtained by the inventive method
Lumber fibre material not only further enhancing the toughness of lumber fibre itself, additionally provide high intensity, high rigidity, high resistance to
Heat, high cold-resistant, the such desired properties of high chemical stability.The waste plastics of the polyethylene material in building waste is ground into powder
End i.e. can be used in described method.
Form sharp contrast with this, all the time, even if culled wood is recycled, also be typically timber is entered
Row preservative treatment, but this needs to use preservative, preservative is typically the salt such as chromate, borate, copper arsenate, if used in
Road filling, the most serious environmental pollution, such as soil pollution can be caused.
Additionally, in the lumber fibre modifying process of the present invention, for surface physics and the chemical constitution of timber, from a large number
The Interfacial compatibilization agent used in other field filters out crospovidone as Interfacial compatibilization agent, polyethylene polypyrrole
Alkanone has the side base of polarity and hydrophobic main chain, can contact with timber and polyethylene (or polypropylene) respectively, play reduction
The compatibilization of interfacial tension, the use of this polymer bulking agents, it is to avoid bulking agent migration in use, favorably
In having given play to stable compatibilization effect, it is advantageously ensured that the stability of composite simultaneously.By crospovidone
Being configured to solution, preferably aqueous solution uses, and method is easy, does not use organic solvent, and then also has the good feature of environmental protection.
The invention still further relates to the preparation method of above-mentioned road filling, the method comprises the following steps: by 1-15 weight
The amount active micropowder of %, 10-30 weight % gangue, 40-60 weight % earth material of isolated from building waste
Material, the exciting agent mix homogeneously of 0.02-0.06 weight %, its order by merging is as follows:
(1) swashing micropowder active for 1-15 weight %, 10-30 weight % gangue and 0.02-0.06 weight %
Send out agent mixing, be stirred well to uniformly；
(2) mixture step (1) obtained and the 40-60 weight % earth material of isolated from building waste is mixed
Close, be stirred well to uniformly.
Preferably, said method comprising the steps of: by micropowder active for 1-15 weight %, 10-30 weight % coal
Spoil, 40-60 weight % is the earth material of isolated from building waste, and the exciting agent of 0.02-0.06 weight %, and
Optional 1-5 weight % is from outside the modification of building waste and the lumber fibre material of enhancing and optional 0.01-2 weight %
Adding agent mix homogeneously, its order by merging is as follows:
(1) swashing micropowder active for 1-15 weight %, 10-30 weight % gangue and 0.02-0.06 weight %
Send out agent mixing, be stirred well to uniformly；
(2) mixture optionally step (1) obtained and optional 1-5 weight % are from the modification of building waste and enhancing
Lumber fibre material and 0.01-2 weight % additive mixing；With
(3) mixture step (2) obtained and the 40-60 weight % earth material of isolated from building waste is mixed
Close, be stirred well to uniformly.
The inventors discovered that, feed with while common in the art and compared with the method that mixes, exciting agent more can
Exciting the activity of micropowder, its reason essentially consists in, if by low-down for ratio exciting agent and ratio in initial mixing step
The biggest earth material mixing, is the most easily wrapped up by earth material, so that it is difficult to contact with micropowder material；It addition, coal
Spoil is the most comparatively dense, can mix with activity micropowder and exciting agent in the initial step, and also can improve compound
Density.
In a preferred embodiment, the timber sorted out during building waste separation step can as modified and
The raw material of the lumber fibre material strengthened, is included following by modified and the lumber fibre material strengthened the method for described timber preparation
Step:
(1) culled wood in building waste is chopped into the segment materials that maximum gauge is 0.5-2cm；
(2) segment materials of chopped is placed in agitator tank, adds the aqueous solution of surface modifier, stir evenly, segment materials
Being 200:1-500:1 with the mass ratio of surface modifier, described surface modifier is crospovidone, poly-second in solution
The concentration of alkene polypyrrole alkanone is 20-30 weight %；
(3) adding polyethylene powders, polypropylene powder or its mixture in the segment materials after surface modification, mixing is all
Even, make the surface attachment polyethylene powders of segment materials, polypropylene powder or its mixture, described segment materials and polyethylene,
The mass ratio of polypropylene or its mixture is 10:1-100:1；
(4) compound step (3) obtained is at 110 DEG C-220 DEG C, preferably 120 DEG C-180 DEG C, more preferably 130-170 DEG C
Under conditions of heat treatment 30-60 minute, obtain lumber fibre material that is modified and that strengthen after being cooled to room temperature.
Certainly, skilled person realizes that, if the timber in building waste, waste plastics obtain poly-
The amount of ethylene powder can not meet the demand of dispensing, the most optionally can obtain from other refuse process field.
In a further preferred embodiment, the road filling of the present invention can also comprise 0.01-5 weight %,
The concrete admixture of preferably 0.05-2 weight %.
The concrete admixture of the present invention preferably comprises or by making following monomer (I) and monomer (II) copolymerization obtain
Copolymer:
(I)
Wherein R1For the alkyl of C1-C6, such as ethyl, R2For the alkoxyl of C2-C6, such as ethyoxyl, n is the whole of 2-10
Number；With
(II) alpha, beta-unsaturated carboxylic acid or its salt；
Wherein the weight ratio of monomer (I) and (II) is 50-95:5-50, and the weight average molecular weight of described copolymer is 500-
2000。
In described structure, the existence repeating ethoxy unit further enhancing the water-reducing property of making concrete.
Most preferably, described α, beta-unsaturated carboxylic acid has a following chemical structural formula:
Find, by replacing at phenyl ring para-position F, the water-reducing property of copolymer to be further enhanced, such that it is able in road
The described additive adding as little as 0.01 weight % in the filling material of road just can realize required water-reducing property.
This additive polymer with excellent water-reducing property of the present invention or its analog not yet have report.
The polymerization that polymerization can use this area conventional is carried out, such as polymerisation in bulk, polymerisation in solution, emulsion
Polymerization or suspension polymerisation.
The present inventor finds through research, by adding such additive, it is provided that excellent water-reducing property, prevents
The mobility of road filling reduces over time, is very beneficial for constructing in road fills, and makes it possible to
Being prevented effectively from the use of cement, road intensity is high.
Detailed description of the invention
By specific examples below and comparative example, further describe the present invention, but embodiment is merely to illustrate, not
The scope of the present invention can be limited.
In the present invention, properties test is referred to following standard and carries out: 1, GB/T 1346 " cement normal consistency
Water consumption, setting time, the stability method of inspection "；2, GB/T 17671-1999 " Test method for strength of hydraulic cement mortar "；3, mixed
Solidifying soil water reducer quality standard and test method JGJ 56-84；4、GB 8076-2008；5, the inorganic knot of JTGE51-2009 highway
Close material stabilizing material testing regulations；With 6, Ministry of Communications's " highway road surface construction technique normalizing " of issuing.
Embodiment 1
Preparing 3 tons of heavy road fillings, gross weight meter based on this road filling, it comprises about 14 weight %
Active micropowder, about 25.95 weight % gangues, about 60 weight % earth material of isolated from building waste,
The exciting agent of about 0.05 weight %.Wherein, described active micropowder will be by will build in jaw crusher and grinder
Rhizoma Begoniae Willsonii in building refuse is broken, grind, it is thus achieved that the specific surface area of micropowder be 2000m2/ kg, by jaw crusher and grinding
In grinding machine by broken for flyash, grind, it is thus achieved that the specific surface area of micropowder be 2100m2/ kg, mixes the two with the weight ratio of 1:1
Conjunction forms；Described earth material is the soil separated from building waste, the earth that mainly engineering construction produces；Described coal
Spoil is the gangue from table mountain Coal Mine Group；Exciting agent is bases exciting agent A and the compositions of salt exciting agent B, swashs
The weight ratio sending out agent A Yu B is 5:1；Bases exciting agent A is gross weight meter 30 weight %Ca (OH) based on bases exciting agent A2、
10 weight %NaOH, 30 weight %Na2CO3With 30 weight %Na2SiO3·9H2The mixture of O；Salt exciting agent B is based on salt
Gross weight meter 30 weight %Na of class exciting agent B2SO4, 25 weight %CaSO4·2H2O, 15 weight %CaCl2With 30 weight %
Ca2SO4Mixture.
In described road filling preparation process, first by exciting agent and micropowder and gangue in agitator the most mixed
Close, then earth material isolated with from building waste mixes.According to standard Road Design specification, take a certain amount of described material
Material, makes the test specimen of Φ × h=10cm × 10cm, tests its 28d unconfined compressive strength.Through measuring, the intensity of its 28d is up to
1.84MPa, fully meets the requirement of strength (0.8MPa) of advanced road roadbed embankment material.
Comparative example 1
Preparing 3 tons of heavy road fillings according to operation sequence same as in Example 1, they are different from embodiment 1
Part is only that the specific surface area of the weight such as the micropowder use that Rhizoma Begoniae Willsonii crushes, grinding obtains is about 500m2The building waste coagulation of/kg
Soil is broken, grind the micropowder obtained substitutes.According to standard Road Design specification, take a certain amount of described material, make Φ × h=
The test specimen of 10cm × 10cm, tests its 28d unconfined compressive strength according to method same as in Example 1.Through measuring, its 28d
Intensity be 0.80MPa, meet the requirement of strength of advanced road roadbed embankment material reluctantly.
Comparative example 2
Preparing 3 tons of heavy road fillings according to operation sequence same as in Example 1, they are different from embodiment 1
It is 500m that part is only that Rhizoma Begoniae Willsonii crushes, grinds the specific surface area of the micropowder obtained2/ kg, flyash is broken, grind the micro-of acquisition
The specific surface area of powder is 600m2/kg.According to standard Road Design specification, take a certain amount of described material, make Φ × h=
The test specimen of 10cm × 10cm, tests its 28d unconfined compressive strength according to method same as in Example 1.Through measuring, its 28d
Intensity be 0.76MPa, be unsatisfactory for the requirement of strength of advanced road roadbed embankment material.
Comparative example 3
Preparing 3 tons of heavy road fillings according to operation sequence same as in Example 1, they are different from embodiment 1
Part is only that and does not uses salt exciting agent B, and the bases exciting agent A of the weight such as its use substitutes.According to standard Road Design specification,
Take a certain amount of described material, make the test specimen of Φ × h=10cm × 10cm, test it according to method same as in Example 1
28d unconfined compressive strength.Through measuring, the intensity of its 28d is 0.82MPa, meets advanced road roadbed embankment material reluctantly
Requirement of strength.
Embodiment 2
The modified preparation with the lumber fibre material strengthened
(1) it is the segment materials that 0.5-2cm does not waits that the culled wood in building waste is chopped into maximum gauge；
(2) segment materials of chopped is placed in agitator tank, adds the crospovidone aqueous solution of 25 weight %,
Stirring with agitator, segment materials is 300:1 with the mass ratio of surface modifier；
(3) segment materials after surface modification adds polyethylene powders, be sufficiently mixed so that it is uniformly, make fragment material
The surface attachment polyethylene powders of material, described segment materials is 80:1 with the mass ratio of polyethylene；
(4) compound heat treatment 45 minutes under conditions of 135 DEG C step (3) obtained, obtain after being cooled to room temperature
Lumber fibre material that is modified and that strengthen.
Embodiment 3
Preparing 3 tons of heavy road fillings according to operation sequence same as in Example 1, they are different from embodiment 1
Part is only that the 3 of the road filling gross weight being incorporated as embodiment 1 on the basis of the road filling of embodiment 1
Embodiment 2 prepared modification and the lumber fibre material of enhancing of weight %.According to standard Road Design specification, take a certain amount of
Described material, makes the test specimen of Φ × h=10cm × 10cm, tests its 28d according to method same as in Example 1 and resists without lateral spacing
Compressive Strength.Through measuring, the intensity of its 28d is 2.21MPa, and unconfined compressive strength intensity improves 20%, fully meets high-grade
The requirement of strength of road foundation filling material, and also meet the unconfined compressive strength requirement of highway.
Embodiment 4: the preparation of additive
The chemical structural formula of monomer (I) is:
Wherein R1For ethyl, R2Ethyoxyl, n is 5, this monomer can by by Polyethylene Glycol and ethylacrylic acid according to often
Rule esterification process carries out being esterified, then being prepared according to routine elimination reaction with ethyoxyl chlorine by esterification products, or can be direct
Commercially available from Sigma-Aldrich company；
The chemical structural formula of monomer (II) is:
This monomer is available commercially from Solution on Chemical Reagents in Shanghai company；
Use emulsion polymerization, in the 500mL round-bottomed flask with mechanical stirring device, add 80g monomer (I) and 10g
Monomer (II) and 200mL deionized water, logical nitrogen under stirring, it is subsequently adding 0.1g Ammonium persulfate. as initiator, is warming up to
Polymerization temperature, polymerization temperature is 80 DEG C, keeps reaction 4 hours, reclaims polymerizate after terminating reaction, through measuring gained copolymer
Weight average molecular weight be about 1500.
Embodiment 5:
Prepare the road filling R ' of 3 tons heavy according to operation sequence same as in Example 1, it is with embodiment 1 not
0.2 weight being incorporated as this road filling gross weight it is only that on the basis of the road filling of embodiment 1 with part
The additive that the embodiment 4 of amount % prepares.According to standard Road Design specification, described material is spread as road base layer
Build, test water reducing ability and water reducer shrinkage ratio.
Comparative example 4:
The road filling R of 3 tons heavy is prepared according to operation sequence same as in Example 1 ", it is with embodiment 1 not
0.3 weight being incorporated as this road filling gross weight it is only that on the basis of the road filling of embodiment 1 with part
The commercially available TH-928 polycarboxylate high performance water-reducing agent of amount %.TH-928 polycarboxylate high performance water-reducing agent is being currently contemplated property
Can preferable water reducer.According to standard Road Design specification, described material is carried out making as road base layer, test water reducing ability
With water reducer shrinkage ratio.
Table 1: the performance comparison of different additives
Compared with conventional water reducer, the water reducer of the present invention makes water reducing ability improve 7%, and yield reduces by 17%, and this is anti-
Reflect in the road filling that consumption is the biggest, it is possible to reduce the consumption of water, be greatly improved the intensity of road filling, logical
Cross the enhancing of described water-reducing property, it is possible to obtain high-strength road filling, it is to avoid the use of cement.Meanwhile, described water reducer
Excellent properties can extend life-span of road filling can up to more than one times, thus greatly extend the use longevity of road
Life.
Finally it should be noted that, it is clear that, above-described embodiment is only for clearly demonstrating example of the present invention, and also
The non-restriction to embodiment.For those of ordinary skill in the field, can also do on the basis of the above description
Go out change or the variation of other multi-form.Here without also cannot all of embodiment be given exhaustive.And thus drawn
What Shen went out obviously changes or changes among still in protection scope of the present invention.
Claims (5)
1. a road filling, gross weight meter based on this road filling, it is active that it comprises 1-15 weight %
Micropowder, 30 weight % gangues, 40-60 weight % is the earth material of isolated from building waste, and 0.02-0.06 weight
The exciting agent of amount %；
The particle diameter of described gangue is 2-10cm, and Surface coating has volcanic ash, its preparation method to include: (1) is by gangue
Raw material is broken into the blocky-shaped particle that particle diameter is 2-10cm；(2) by described blocky-shaped particle and based on this blocky-shaped particle gross weight meter
The quick lime of 0.01-0.05 weight % and the volcanic ash mixing of 0.1-1.0 weight %, to uniformly, prepare compound；(3) to institute
State compound and add water based on this compound gross weight meter 0.1-1.5 weight %, be stirred until homogeneous, the most at ambient conditions
Place 1-5 days.
Road filling the most according to claim 1, wherein this road filling does not comprise cement, Colophonium or cement
Concrete.
Road filling the most according to claim 1 and 2, wherein said active micropowder is the following two kinds micropowder
(1) be mixed to prepare with the part by weight of 1:5-5:1 with (2): (1) by by the Rhizoma Begoniae Willsonii in building waste, blue bricks, watt and/or broken
Glass breaking, to be ground to specific surface area be 750-2200m2The micropowder that/kg obtains；(2) flyash crushed, be ground to compare table
Area is 800-2600m2The micropowder that/kg obtains.
Road filling the most according to claim 1 and 2, wherein said exciting agent is compound bio exciting agent, and this is multiple
Symphysis thing exciting agent be TerraZyme enzyme, β-glucosyl enzym and phosphatase with (10～15): (1～2): (2～3) weight ratio
Mixture.
5. the preparation method of the road filling according to any one of claim 1-4, the method comprises the following steps: by 1-
The active micropowder of 15 weight %, 30 weight % gangues, 40-60 weight % earth material of isolated from building waste
Material, the exciting agent mix homogeneously of 0.02-0.06 weight %, its order by merging is as follows:
(1) exciting agent of micropowder active for 1-15 weight %, 30 weight % gangues and 0.02-0.06 weight % is mixed
Close, be stirred well to uniformly；
(2) mixture step (1) obtained mixes with 40-60 weight % earth material of isolated from building waste,
It is stirred well to uniformly.
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| CN201510107754.1A CN104671720B (en) | 2015-03-12 | 2015-03-12 | Use road filling of building waste and gangue manufacture and preparation method thereof |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105481314B (en) * | 2015-12-01 | 2017-09-12 | 安徽理工大学 | Utilize the colliery Paste-like body filler and its preparation and fill method of building waste |
| CN109809746B (en) * | 2019-03-18 | 2021-03-19 | 徐州工程学院 | Method for preparing grouting filling material by using industrial solid waste |
| CN113636822A (en) * | 2021-07-19 | 2021-11-12 | 中铁第一勘察设计院集团有限公司 | Improved construction waste roadbed filler using sintered brick micro powder as modifier and method |
| CN115180912A (en) * | 2022-07-15 | 2022-10-14 | 山东海林环保设备工程有限公司 | Method for preparing filling material based on coal-based solid waste |
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Denomination of invention: Road filling material prepared from building waste and coal gangue and preparation method of road filling material Effective date of registration: 20170705 Granted publication date: 20161207 Pledgee: Hunchun phoenix tree equity investment centre (L.P.) Pledgor: BEIJING YUANTAIDA ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. Registration number: 2017990000594 |
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