CN104761216B - A kind of road pavements and preparation method thereof with the compound electroslag of building waste - Google Patents
A kind of road pavements and preparation method thereof with the compound electroslag of building waste Download PDFInfo
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- CN104761216B CN104761216B CN201410550365.1A CN201410550365A CN104761216B CN 104761216 B CN104761216 B CN 104761216B CN 201410550365 A CN201410550365 A CN 201410550365A CN 104761216 B CN104761216 B CN 104761216B
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- building waste
- electroslag
- road
- exciting agent
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- 239000002699 waste material Substances 0.000 title claims abstract description 84
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 150000001875 compounds Chemical class 0.000 title abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 108
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 73
- 239000002893 slag Substances 0.000 claims abstract description 40
- 239000003595 mist Substances 0.000 claims abstract description 33
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000011574 phosphorus Substances 0.000 claims abstract description 21
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 21
- 239000000203 mixture Substances 0.000 claims description 35
- 238000000034 method Methods 0.000 claims description 33
- -1 polyethylene Polymers 0.000 claims description 33
- 150000003839 salts Chemical class 0.000 claims description 28
- 239000000843 powder Substances 0.000 claims description 26
- 239000004567 concrete Substances 0.000 claims description 23
- 239000004568 cement Substances 0.000 claims description 22
- 239000000835 fiber Substances 0.000 claims description 22
- 239000004698 Polyethylene Substances 0.000 claims description 21
- 229920000573 polyethylene Polymers 0.000 claims description 21
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 18
- 230000002708 enhancing effect Effects 0.000 claims description 17
- 239000002689 soil Substances 0.000 claims description 16
- 238000000227 grinding Methods 0.000 claims description 15
- 239000004743 Polypropylene Substances 0.000 claims description 12
- 239000000178 monomer Substances 0.000 claims description 12
- 229920001155 polypropylene Polymers 0.000 claims description 12
- 239000000243 solution Substances 0.000 claims description 11
- 239000000654 additive Substances 0.000 claims description 10
- 239000000292 calcium oxide Substances 0.000 claims description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 239000007789 gas Substances 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 9
- 239000003607 modifier Substances 0.000 claims description 9
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- 238000012986 modification Methods 0.000 claims description 7
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- 239000002023 wood Substances 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical group C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 6
- 229920001577 copolymer Polymers 0.000 claims description 6
- 229960000913 crospovidone Drugs 0.000 claims description 6
- 229920000523 polyvinylpolypyrrolidone Polymers 0.000 claims description 6
- 235000013809 polyvinylpolypyrrolidone Nutrition 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 4
- 239000011575 calcium Substances 0.000 claims description 4
- 229910052791 calcium Inorganic materials 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 150000001336 alkenes Chemical class 0.000 claims description 3
- 229910052925 anhydrite Inorganic materials 0.000 claims description 3
- 238000001354 calcination Methods 0.000 claims description 3
- 239000001110 calcium chloride Substances 0.000 claims description 3
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 3
- 229910052602 gypsum Inorganic materials 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 3
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 3
- 229910020489 SiO3 Inorganic materials 0.000 claims description 2
- 125000003545 alkoxy group Chemical group 0.000 claims description 2
- 125000000217 alkyl group Chemical group 0.000 claims description 2
- 238000013459 approach Methods 0.000 claims description 2
- 229910052786 argon Inorganic materials 0.000 claims description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 claims description 2
- 239000001307 helium Substances 0.000 claims description 2
- 229910052734 helium Inorganic materials 0.000 claims description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 2
- 239000011295 pitch Substances 0.000 claims description 2
- 229910052727 yttrium Inorganic materials 0.000 claims description 2
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 2
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 2
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 claims description 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims 2
- 150000004040 pyrrolidinones Chemical class 0.000 claims 1
- 239000002585 base Substances 0.000 description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 21
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- 238000007906 compression Methods 0.000 description 20
- 239000010410 layer Substances 0.000 description 13
- 239000002994 raw material Substances 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 11
- 238000012360 testing method Methods 0.000 description 10
- 235000012255 calcium oxide Nutrition 0.000 description 9
- 238000013461 design Methods 0.000 description 9
- 239000003638 chemical reducing agent Substances 0.000 description 8
- 238000010276 construction Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 229910052500 inorganic mineral Inorganic materials 0.000 description 8
- 239000011707 mineral Substances 0.000 description 8
- 235000010755 mineral Nutrition 0.000 description 8
- 239000010813 municipal solid waste Substances 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 239000004566 building material Substances 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 6
- 239000004033 plastic Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
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- 108090000790 Enzymes Proteins 0.000 description 4
- 102000004190 Enzymes Human genes 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000004035 construction material Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000011049 filling Methods 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 3
- 235000012241 calcium silicate Nutrition 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 3
- 238000005213 imbibition Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000004570 mortar (masonry) Substances 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
- 238000000926 separation method Methods 0.000 description 3
- 108090000608 Phosphoric Monoester Hydrolases Proteins 0.000 description 2
- 102000004160 Phosphoric Monoester Hydrolases Human genes 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 239000004067 bulking agent Substances 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
- 238000005336 cracking Methods 0.000 description 2
- 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
- 238000002474 experimental method Methods 0.000 description 2
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- 230000036571 hydration Effects 0.000 description 2
- 238000006703 hydration reaction Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
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- 229920001684 low density polyethylene Polymers 0.000 description 2
- 239000004702 low-density polyethylene Substances 0.000 description 2
- 238000007885 magnetic separation Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
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- 229920005646 polycarboxylate Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- OBSZRRSYVTXPNB-UHFFFAOYSA-N tetraphosphorus Chemical compound P12P3P1P32 OBSZRRSYVTXPNB-UHFFFAOYSA-N 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
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-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
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 239000007832 Na2SO4 Substances 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 239000011398 Portland cement Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000001994 activation Methods 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 230000032683 aging Effects 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
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000012662 bulk polymerization Methods 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
- JHLNERQLKQQLRZ-UHFFFAOYSA-N calcium silicate Chemical compound [Ca+2].[Ca+2].[O-][Si]([O-])([O-])[O-] JHLNERQLKQQLRZ-UHFFFAOYSA-N 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
- 230000015556 catabolic process Effects 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
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229940030341 copper arsenate Drugs 0.000 description 1
- 238000009867 copper metallurgy Methods 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
- 230000007812 deficiency Effects 0.000 description 1
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- 230000003467 diminishing effect Effects 0.000 description 1
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- 239000010419 fine particle Substances 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
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- 238000006062 fragmentation reaction Methods 0.000 description 1
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- 230000002209 hydrophobic effect Effects 0.000 description 1
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- 239000004615 ingredient Substances 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
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- 231100001231 less toxic Toxicity 0.000 description 1
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- 229920000092 linear low density polyethylene Polymers 0.000 description 1
- 239000004707 linear low-density polyethylene Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000006210 lotion Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
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- 238000000465 moulding Methods 0.000 description 1
- 239000005445 natural material Substances 0.000 description 1
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- 239000013618 particulate matter Substances 0.000 description 1
- 239000012071 phase 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
- 239000000049 pigment Substances 0.000 description 1
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- 238000003825 pressing Methods 0.000 description 1
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- 239000010420 shell particle Substances 0.000 description 1
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- 239000010703 silicon Substances 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 238000003900 soil pollution Methods 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
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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
- Y02W30/91—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 pavements and preparation method thereof made from the compound electroslag of building waste, total weight based on the road pavements, including micro mist active made from phosphorus slag 2 18 weight %, 25 40 weight % electroslags, earth material and 0.02 0.06 weight % exciting agents isolated from building waste 40 60 weight %.The road pavements of the present invention make building waste be fully used while meeting road index request.
Description
Technical field
The present invention relates to a kind of road pavements and preparation method thereof with the compound electroslag of building waste.
Background technology
Building waste refers mainly to build, unit in charge of construction or it is personal all kinds of structures, building etc. are built, repaired,
Remove and carry out all kinds of wastes such as the soil, waste residue, the mortar that are generated during house decoraton.Different types of building structure production
The basic composition of raw building waste is consistent, and mortar, the waste residue that main component includes soil, is scattered, bituminous concrete fragment are beaten
Remaining armored concrete pile crown is blocked in stake, and cement concrete picks the masonry that chisel generates, various old metal, timber, all kinds of building materials
The packaging material of product, wall insulated board, the waste material and other wastes that fitment process generates.
Electroslag be using the solid waste being discharged during electric furnace smelting metal, main component be calcium, iron, copper, silicon,
The oxides such as magnesium, aluminium, manganese, phosphorus.It common are steel-smelting electric furnace slag and copper metallurgy electroslag.The main utilization ways of electroslag are in smelting
Refining intra-company voluntarily recycles, and can melt down as raw materials for metallurgy, it can also be used to highway subgrade, railway bed, and be used for
Produce cement raw material, improvement soil etc..In this year, with the increase of circuit output of steel, the discharge capacity of electroslag also accordingly increases,
If electroslag is not comprehensively utilized, more and more soils are not only taken up, also can cause environmental pollution, therefore electricity
The comprehensive utilization of clinker is to realizing that the sustainable development of steel and iron industry is of great significance.
On the other hand, building waste is compared with other municipal refuses, and there is less toxic, harmless, resourcebility the spies such as to utilize
Point, with the fast development of urban construction, natural material is by increasingly depleted, if building waste carried out by certain technology
Effective regeneration utilizes, and can not only solve this contradiction, moreover it is possible to eliminate harm of the rubbish to environment, realize economic sustainable development
Exhibition.The research that China recycles building waste is than later, though achieving certain achievement in research at present, but still lacks compared with system
Research, lack the standard and regulation of perfect regeneration techniques.In China, builds different kinds of roads and need a large amount of material, if
It can be by building waste in road engineering, then great economic value will to be will produce.
Meanwhile diversity and the road pavements increasingly strict standard of building waste such as require at the factors so that build
Application of the building refuse in road pavements is subject to many limitations, such as building waste utilization rate is not high, road pavements
Ratio shared by middle building waste is smaller, etc..
CN101343852A discloses a kind of method for filling highway subgrade using steel slag, and step is：(1) using useless
Slag is filling roadbed；(2) the filling roadbed fill core concrete of slag need to be controlled, ensures the stability of roadbed；(3) slag railway embankment
Vibrated roller layered rolling should be used, slag should be within the scope of optimum moisture content when rolling, using test section experiment
Method determination suitably rolls equipment, is calculated using maximum dry density and the optimum moisture content compactness filling roadbed as slag
Standard；(4) cross-sectional design of steel slag filled-up road embankment, including depth of fill, side slope of embankment ratio of slope, fill thickness, closedtop layer, underseal
Layer, interlayer, bank protection and drainage system.The method of the present invention is easy, easy to operate, and stacking place and the environment for reducing slag are dirty
Dye, turns waste into wealth, promotes environmental protection, solve the problems, such as highway engineering filler deficiency, at low cost, the roadbed filled out
Quality can meet the construction requirement of High-Grade Highway Subgrade.
CN1133269A has opened a kind of cementitious material and production method being used for road engineering and other civil engineerings, production
Product are mainly used for wear-resisting requirement, corrosion resistant engineering and anti-drying shrinkage is more demanding, the lower other engineerings of the heat of hydration, and feature exists
In the product (cement) be by the slag and slag, flyash, portland cement clinker, sulfuric acid containing aluminium after pre- resolution processing and magnetic separation
What salt and silicate mineral many kinds of substance grinding mixed.
CN101239804A discloses a kind of method manufacturing building materials using building waste, successively to urban architecture material
Sorted, magnetic separation, primary fragmentation and gravity separation, building waste is separated into heavy material, light material and mineral materials, and will
For manufacturing construction material after second-time breakage, the raw material of the construction material includes the mineral materials：Fibre material
0-30 parts of 5-10 parts, 40-60 parts of mineral materials, 20-30 parts of low-water cement and unclassified stores, the production process of the construction material
It for fibre material, mineral materials and unclassified stores to be uniformly mixed, adds low-water cement and is uniformly mixed, water stirring is added to be slurried,
It is placed in vibration moulding or extrusion forming in mold, forms structural lumber product after natural curing.In the patent document, only
The mineral materials in building waste are utilized, building waste overall utilization is low, obtain mineral materials the step of it is cumbersome, and
The ratio of construction material Minerals material is not high, when even more important, the building waste be used to prepare plate product, rather than
It is used to prepare the road pavements more demanding to intensity, water resistance.
CN101348343A discloses a kind of building materials and preparation method thereof produced using building waste, the technology to be solved
Problem is to make that material configuration is simple, reduces cost, uses following technical scheme：A kind of building materials produced using building waste,
Including weight ratio number be：85-97 parts of building waste, 3-15 parts of quick lime, the building waste include masonry and concrete,
Effective CaO content >=85% in the quick lime.This approach includes the following steps：(1) primary election is carried out to building waste；(2)
Comminuted starting materials, it is to be milled to the quick lime of CaO content >=85% to 4mm more than 0 that building waste raw material, which are crushed to granularity,
Less than 100 mesh；(3) raw material coordinate, by the building waste that crushed and quick lime fine powder by weight building waste 85-97
Part, 3-15 parts of quick lime are transported to slaking silos after being mixed evenly, stop 1-3 hours；(4) be molded, from slaking silos come out material into
Enter blender, after the 5-8% water mixs of total dry powder dosage are added, is delivered to feed bin, is pressed on brick machine variously-shaped
Proximate matter, the pressure used are 200-1500 tons, 1-3 seconds pressing time；(5) autoclave curing is 190-230 DEG C in temperature, pressure
Power conserves 6-10 hours, as building materials finished product under conditions of being 7-10kg.In the patent document, it is mainly used for being manufactured
Building material product, can not be far from enough as road pavements, such as intensity.
WO2006033561A1 discloses a kind of method of building waste sorting.In the method, it will be ground into pre-
The building castoff being sized is added in the liquid of precipitation tank, and is separated into various components in slot according to proportion,
In, the liquid has the reference specific gravity lower but higher than the proportion of remaining ingredient than recycling the proportion of component, to only make to return
The component of receipts is detached by being deposited to the bottom of the precipitation tank.According to the method, will can easily be included in
Other impurity in building castoff are detached with the good repeatable aggregate utilized.Specifically, to the reference of separation liquid
Proportion carries out adjustment appropriate, to even can easily by than the various impurity of water weight (tile, common brick, bituminous concrete,
Cement lumps etc.) it is detached with the repeatable aggregate utilized.Concern is primarily with the sortings of building waste for the document.
JP2006257681A discloses a kind of method manufacturing mineral material using building waste, and this method can be effective
The volatilization for reducing the volatile organic compounds that building waste is generated in high-temperature process, by the way that shell burns and crushes production
Raw porosity shell particle adsorbs the volatile organic compound generated when building waste high-temperature process with the material
Object, to keep the recycling of building waste more green and safe.This method cost is relatively high.
KR100938212B1 discloses a kind of composition for building the road, the composition include 20-40 weight % resins,
22-27 weight % environmental protection gathers materials, 22-27 weight % recycling chip material, 13-18 weight percent fillers, 1.5-5 weight pigment and and
1.5-3 weight % common additives.The composition cost contains a large amount of resins, and cost is relatively high and not ageing-resistant, additionally, due to
Lack cement component, at least intensity wretched insufficiency.
Non-patent literature " experimental study that construction refuse regenerated micro mist utilizes ", Ma Chuntao etc., Ningxia engineering technology, the 8th
It rolled up for the 1st phase, in March, 2009 discloses the method for manufacture and use thereof of construction refuse regenerated micro mist, and the raw material of wherein regenerative micro powder is
Durings broken, screening of regenerative bone material by concrete etc., inevitably results from and account for recycled aggregate quality 10% or so, grain size
<The fine powder material of 0.16mm, the maximum specific surface area that grinding obtains micro mist is only 735.4m2/kg。
Need a kind of road pavements with the compound electroslag of building waste so that the utilization of building waste and electroslag
The performance of rate height and the road pavements can reach the performance of presently used road pavements.
Invention content
In order to overcome the above-mentioned problems in the prior art, the present inventor is by further investigation, it is proposed that new solution
Scheme so that the primary raw material of road pavements is building waste and electroslag, and can make building waste and electroslag
The road pavements performance be comprehensively utilized, prepared completely can be up to standard.The present invention provides following technical solutions：
On the one hand, a kind of road pavements are provided, the total weight based on the road pavements, it includes 2-
Micro mist active made from phosphorus slag 18 weight %, 25-40 weight % electroslags, % is from building waste for 40-60 weight
Isolated earth material and 0.02-0.06 weight % exciting agents.
The content of the active micro mist made from phosphorus slag is preferably 8-15 weight %, more preferably 10-12 weights
Measure %.
The content of the electroslag is preferably 20-30 weight %, more preferable 20-25 weight %.
The content of the isolated earth material from building waste is preferably 40-55 weight %, more preferable 40-50
Weight %.
The content of the exciting agent is preferably 0.02-0.06 weight %, more preferable 0.03-0.05 weight %.
The road pavements preferably do not include cement, pitch or cement concrete.
The active micro mist can be by crushing phosphorus slag, grinding acquisition.The phosphorus slag can be with electric furnace
It is obtained with calcium silicates fusant as main component when legal system takes yellow phosphorus, the phosphorus slag obtained through quenching.
The specific surface area of the active micro mist can be 650-2000m2/ kg, preferably 1000-2000m2/ kg, more
It is preferred that 1500-1800m2/kg。
The earth material can be the soil separated from building waste and great soil group impurity.
In the road pavements of the present invention, exciting agent can be compound bio curing agent, or bases excites
Agent and/or salt exciting agent, or be combination thereof.
The electroslag of the present invention is preferably treated electroslag, and wherein the content of free calcium oxide is less than 1 weight %.
The processing procedure can be as follows：
(1) make under electroslag slag falls, high pressure gas injected into the slag fallen, slag is separated into tiny droplets,
The high pressure gas is then to be quenched tiny droplets with the air of surrounding, the matter of electroslag with nitrogen, argon gas and/or helium
The ratio for measuring the mass flow (g/s) of flow/injection high pressure gas is 0.6-1.2, and the average-size of electroslag after cooling exists
1mm-4mm；
(2) electroslag is ground, until specific surface area is more than 1500m2/kg；With
(3) electroslag after grinding at a temperature of 500-1000 DEG C is calcined into 6-36, preferably 12-24 hours, then existed
It is cooled to room temperature under natural conditions.
It is further preferred that the electroslag after the calcining that the step (3) is obtained is in siliceous salt and/or the water of aluminium containing salt
Impregnate 5 days or more, preferably 10 days or more in solution, the solution of the siliceous salt or aluminium containing salt can be (NH4)2SiO3Or NH4
[Al(OH)4] 20-50 weight % aqueous solution.The inventors discovered that wherein NH4 +Presence can enhance electroslag to Si and
The absorption of Al, to further enhance the activity index of electroslag.
In addition, in the present invention, by grinding, it is in crystalline state that unbodied electroslag can be made, which to be changed into most of, brilliant
It is mainly mutually larnite and magnesium oxide, so as to significantly reduce free CaO content, to reduce the unstability of electroslag
Property.Inventors have surprisingly discovered that by using the processed electroslag, the road of electroslag making can be used
The service life on road improves 30-50%.
It is prepared as the regenerative micro powder of raw material using building waste existing, the raw material that uses substantially is useless coagulation
Soil prepares the thin particulate matter generated in aggregate, and the micro mist prepared is difficult to obtain larger specific surface area.With greater need for pointing out
, prepared as the regenerative micro powder of raw material using building waste existing, in order to make building obtained or road pavements
It meets the requirements, only substitutes part of cement in concrete material with regenerative micro powder, and cement cannot be substituted completely.
The present inventor has now surprisingly been found that, by being crushed, being ground by phosphorus slag, can obtain the performance of high surface area
Very excellent micro mist in certain aspect of performance has been more than cement after by the excitation of the exciting agent of the present invention, enabling complete
It is complete to substitute cement conventionally used in road pavements, and the performance indicator required by urban road laying can be reached simultaneously.It pushes away
Survey its reason, it may be possible to because the concrete in building waste is compared with phosphorus slag, water imbibition is larger, intensity is relatively low, brittleness is larger,
These features cause the micro mist prepared by regenerated waste concrete to be difficult to substitute the cement in road pavements completely.Compared to it
Under, phosphorus slag powder is used as road pavements in reaction, the SiO in chemical composition2And Al2O3In isoreactivity component and exciting agent
Component such as calcium hydroxide reaction, the products such as hydrated calcium silicate, drated calcium aluminate or hydrated calcium aluminate sulfate are generated, to be formed
Cement strength.
The present inventors have additionally discovered that the specific surface area of active micro mist is only in 650-2000m2In the range of/kg
The substitution effect that cement can effectively be played makes road pavements obtain required compression strength.When the specific surface area of micro mist
Less than 650m2When/kg, then the lateral reactivity of the micro mist is inadequate, such as keeps the compression strength of road, cracking resistance insufficient.And work as
Specific surface area is more than 2000m2When/kg, then performance improves no longer notable and manufacturing cost and increases.In contrast, when using useless
When abandoning the grinding of concrete progress micro mist, since its water imbibition is big, it is easy to lead to humidity, and due to complicated component, including one
Certainty ratio is difficult to the sand grains ground, is difficult to obtain 500m by grinding2The specific surface area of/kg or more, it is described in addition
The features such as water imbibition is big, intensity is low leads to the cement for being merely capable of substituting finite part in road pavements.In the present invention
The grinding of phosphorus slag can carry out in the presence of abrasive media, and the abrasive media is preferably zirconium silicate ball and yttrium stable zirconium oxide ball
With 4:1~6:The blending agent of 1 (weight ratio).
Be when producing yellow phosphorus with electric furnace process, it is obtained with calcium silicates fusant as main component, through quenching, as
It is granulated electric furnace phosphoric slag, abbreviation phosphorus slag, these all provide sufficient source for the preparation of micro mist of the present invention.
About building waste component, from the point of view of the component that old building removes rubbish, concrete proportion is up to 50%
More than, followed by soil (about 10%), stone and rubble (about 10%) etc.；From the point of view of the component of New Buildings construction rubbish,
Soil ratio about 30% or more, followed by stone and rubble (about 25%), concrete (about 20%) etc..These are road of the present invention
Earth material provides sufficient source in paver.
In the road pavements of the present invention, exciting agent can be compound bio curing agent, or bases excites
Agent and/or salt exciting agent, or can be combination thereof, such as compound bio curing agent and bases exciting agent and/or salt
The weight ratio of class exciting agent can be (1~2):(3~5).
The compound bio curing agent is preferably hard native enzyme, keratinase and phosphatase with (10~15):(1~2):(1~
2) mixture of weight ratio.
By the specific combination of 3 kinds of enzymes, it can make to play mutual promoting action between them, such as phosphatase makes
With the water stability that can enhance hard native enzyme.In the present invention, when the road pavements using the compound bio curing agent
When as base material, the particularly advantageous stability for having earthen materia, enabling significantly improve unconfined compressive strength, bending resistance
Performance, resistance to compression and anti-bending rollering modulus are drawn, more particularly to make unconfined compressive strength cure relative to the compound bio is not added
Agent can such as when as subbase course material using the road pavements of single creature exciting agent (such as hard native enzyme)
Improve at least about 17%, this synergy be those skilled in the art according to existing knowledge it is unexpected.The present invention's
Compound bio curing agent can also increase the stability of paver, extend the service life of road, and can be to long-term existence
In base, solidification effect can be kept for a long time.
In the road pavements of the present invention, about the bases exciting agent and/or salt exciting agent, preferably bases
The combination of exciting agent and salt exciting agent, i.e. composite exciting agent.Alkali-activated carbonatite is mainly the OH for increasing slurry-Concentration improves liquid phase
Basicity makes the pH value of liquid phase keep about 12 or so, this is conducive to the formation of entringite and C3S、C2The raising of S hydration rates, from
And excite the activity of micro mist in road pavements.
The present inventors have additionally discovered that being likely difficult to road pavements is made to reach most ideal by single alkali-activator to want
It asks, the matching of exciting agent and other materials is poor, and the stability of road pavements is undesirable.The present inventor is by a large amount of
Research and experiment, seek the optimum matching relation of composite exciting agent and the micro mist and soil class raw material, finally found that usually also
It is preferably added to a certain amount of salt exciting agent.
The composite exciting agent is the composition of bases exciting agent A and salt exciting agent B, and the weight ratio of exciting agent A and B are
2:1-6:1；Bases exciting agent A is the total weight 20-30 weight %Ca (OH) based on bases exciting agent A2, 10-20 weight %
NaOH, 20-40 weight %Na2CO3With 20-30 weight %Na2SiO3·9H2The mixture of O；Salt exciting agent B is based on salt
The total weight 20-40 weight %Na of exciting agent B2SO4, 20-30 weight %CaSO4·2H2O, 10-20 weight %CaCl2And 20-
30 weight %CaSO4Mixture.
The road pavements can also include the lumber fibre material of modification and enhancing of the 1-5 weight % from building waste
Material, wherein the lumber fibre material of the modification and enhancing is made by the following method：
(1) culled wood in building waste is chopped into the segment materials that maximum gauge is 0.5-2cm；
(2) chopped segment materials are placed in agitator tank, the aqueous solution of surface modifier is added, stirs evenly, segment materials
Mass ratio with surface modifier is 200:1-500:1, the surface modifier is crospovidone, poly- second in solution
A concentration of 20-30 weight % of alkene polypyrrole alkanone；
(3) or mixtures thereof polyethylene powders, polypropylene powder are added into the modified segment materials in surface, mixing is equal
It is even, so that the surface of segment materials is adhered to polyethylene powders, or mixtures thereof polypropylene powder, the segment materials and polyethylene,
The mass ratio of or mixtures thereof polypropylene is 10:1-100:1；
(4) mixture for obtaining step (3) is at 110 DEG C -220 DEG C, preferably 120 DEG C -180 DEG C, more preferable 130-170 DEG C
Under conditions of be heat-treated 30-60 minutes, the lumber fibre material for being modified and being enhanced after being cooled to room temperature.
The appropriate mass ratio of or mixtures thereof the timber segment materials and polyethylene powders, polypropylene powder so that
After heat treatment, the polyethylene and/or polypropylene of hot melt can substantially completely coat the surface of timber segment just, if described
Amount of polymeric material is less, then the surface of timber segment can not be completely covered, and makes timber segment materials as roadbed material
It is easy to degradation during material use for example to rot, and if the amount of polymeric material is excessive, do not have in terms of cost
Effect, and the performance such as toughness and some strength that make timber itself are 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 includes the wood type building waste of significant proportion in decoration garbage, is not all fully used, often quilt
It incinerates, does not efficiently use its value not only, also cause Heavy environmental pollution.For the problem, the present inventor is by research
It was found that by being modified and enhancing to timber according to the method described above, can particularly advantageously be used as road steady layer of water,
In base etc..It is pervious generally understanding be that timber is easy to rotten, especially have water there is environment in, it is difficult to be used in road
In the paver of road, it is more difficult to be used in steady layer of water.In the present invention, by it is modified and enhancing handle, make its tool
Have enough water resistances, while even if it is used in urban road laying in steady layer of water, base etc., will not due to light effect and
Lead to modified material aging.
Or mixtures thereof the polyethylene, polypropylene are preferred from the waste plastics in rubbish.It is preferred that polyethylene, more preferable line
Property low density polyethylene (LDPE) (LLDPE).Known in the art, the waste plastics (such as various waste plastic bottles) in rubbish such as building waste is main
If linear low density polyethylene (LLDPE), with intensity height, good toughness, rigidity is strong, heat-resisting, cold-resistant, chemical stability is good
The advantages that, also there are 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 has found that these described performances are coincide very much with material property required in roadbed material by further investigation, because
It is preferable to use the polyethylene of the waste plastics in rubbish to enhance lumber fibre material for this.It obtains by the method for the invention
Lumber fibre material not only further enhance the toughness of lumber fibre itself, additionally provide high intensity, high rigidity, high resistance to
Required performance as heat, high cold-resistant, high chemical stability.The waste plastics of polyethylene material in building waste is crushed into powder
End can be used in the method.
With this formation sharp contrast, all the time, though if recycling to culled wood be typically to timber into
Row preservative treatment, however this needs to use preservative, preservative is typically the salt such as chromate, borate, copper arsenate, if be used in
Road pavements, very serious environmental pollution, such as soil pollution can be caused.
In addition, in the lumber fibre modifying process of the present invention, for the surface physics and chemical constitution of timber, from a large amount of
Crospovidone is filtered out in the Interfacial compatibilization agent used in other fields as Interfacial compatibilization agent, polyethylene polypyrrole
Alkanone has polar side group and hydrophobic main chain, can be contacted respectively with timber and polyethylene (or polypropylene), play reduction
The compatibilization of interfacial tension, the use of this polymer bulking agents avoid the migration of bulking agent in use, favorably
In playing stable compatibilization effect, while it is advantageously ensured that composite material stability.By crospovidone
It is configured to solution, preferably aqueous solution uses, and method is easy, does not use organic solvent, and then also have the good feature of environmental protection.
The invention further relates to the preparation method of above-mentioned road pavements, this method includes by 2-18 weight % by phosphorus slag system
The active micro mist obtained, 25-40 weight % electroslags, soil material isolated from building waste 40-60 weight %
Material and the mixing of 0.02-0.06 weight % exciting agents, are stirred well to uniformly.
Preferably, it the described method comprises the following steps：
By 2-18 weight % micro mists active made from phosphorus slag, 25-40 weight % electroslags, 40-60 weight %
Isolated earth material and 0.02-0.06 weight % exciting agents from building waste, and optional 1-5 weight % come
The additive of lumber fibre material and optional 0.01-2 weight % from modification and the enhancing of building waste is uniformly mixed, and is mixed
Conjunction sequence is as follows：
(1) by micro mist active made from phosphorus slag 2-18 weight %, 25-40 weight % electroslags and 0.02-
0.06 weight % exciting agents mix, and are stirred well to uniformly；
(2) mixture for optionally obtaining step (1) and modification and enhancing of the optional 1-5 weight % from building waste
Lumber fibre material and 0.01-2 weight % additive mixing；With
(3) mixture for obtaining step (2) and earth material isolated from building waste 40-60 weight % are mixed
It closes, is stirred well to uniformly.
The inventors discovered that compared with charging while common in the art and mixed method, exciting agent more can
The activity of micro mist is excited, reason essentially consists in, if by the low-down exciting agent of ratio and ratio in initial mixing step
Very big earth material mixing is then easy to be wrapped up by earth material, to make it be difficult to contact with micropowder material；In addition, electric
The general granularity of clinker is relatively thin and fine and close, can be mixed in the initial step with active micro mist and exciting agent.
In a preferred embodiment, the timber sorted out during building waste separation step can be used as it is modified and
The raw material of the lumber fibre material of enhancing, the method for preparing modified and enhancing lumber fibre material by the timber includes following
Step：
(1) culled wood in building waste is chopped into the segment materials that maximum gauge is 0.5-2cm；
(2) chopped segment materials are placed in agitator tank, the aqueous solution of surface modifier is added, stirs evenly, segment materials
Mass ratio with surface modifier is 200:1-500:1, the surface modifier is crospovidone, poly- second in solution
A concentration of 20-30 weight % of alkene polypyrrole alkanone；
(3) or mixtures thereof polyethylene powders, polypropylene powder are added into the modified segment materials in surface, mixing is equal
It is even, so that the surface of segment materials is adhered to polyethylene powders, or mixtures thereof polypropylene powder, the segment materials and polyethylene,
The mass ratio of or mixtures thereof polypropylene is 10:1-100:1；
(4) mixture for obtaining step (3) is at 110 DEG C -220 DEG C, preferably 120 DEG C -180 DEG C, more preferable 130-170 DEG C
Under conditions of be heat-treated 30-60 minutes, the lumber fibre material for being modified and being enhanced after being cooled to room temperature.
Certainly, skilled person realizes that, if the timber, waste plastics in building waste obtain it is poly-
It is impossible to meet the demands of dispensing for the amount of ethylene powder, also can optionally be obtained from other waste process fields.
In a further preferred embodiment, can also include 0.01-5 weight % in road pavements of the invention,
It is preferred that the concrete admixture of 0.05-2 weight %.
The concrete admixture of the present invention, which preferably comprises, either to be obtained by making following monomer (I) and monomer (II) be copolymerized
Copolymer：
(I)
Wherein R1For the alkyl of C1-C6, such as ethyl, R2For the alkoxy 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) are 50-95:The weight average molecular weight of 5-50, the copolymer are 500-
2000。
In the structure, the presence for repeating ethoxy unit further enhances the water-reducing property of making concrete.
Most preferably, the α, beta-unsaturated carboxylic acid have following chemical structural formula：
It was found that being replaced with F by being aligned in phenyl ring, the water-reducing property of copolymer can be further enhanced, so as in road
The additive being added down to 0.01 weight % in the paver of road can realize required water-reducing property.
This additive polymer with excellent water-reducing property or its analog of the present invention has not been reported.
The polymerization of this field routine may be used to carry out in polymerization, such as bulk polymerization, polymerisation in solution, lotion
Polymerization or suspension polymerisation.
The present inventor is by that the study found that by additive as addition, can provide excellent water-reducing property, prevent
The mobility of road pavements is reduced with the time, is very beneficial for constructing in urban road laying, and make it possible to
Effectively avoid the use of cement, road intensity high.
Specific implementation mode
By following specific examples and comparative example, the present invention is further described, but embodiment is merely to illustrate, not
It can limit the scope of the invention.
In the present invention, properties test is referred to following standard progress：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, it mixes
Solidifying soil water-reducing agent quality standard and test method JGJ 56-84；4、GB 8076-2008；5, the inorganic knot of JTGE51-2009 highways
Close material stabilizing material testing regulations；It is issued with 6, Ministry of Communications《Highway road surface construction technique normalizing》.
Embodiment 1
3 tons of heavy road pavements are prepared, the total weight based on the road pavements, it includes about 15 weight %
The active micro mist made from phosphorus slag, about 24.95 weight % electroslags, about 60 weight % are isolated from building waste
Earth material, and about 0.05 weight % exciting agents.Wherein, the active micro mist passes through in jaw crusher and grinding
Phosphorus slag is broken, grinding obtains in machine；The specific surface area of the micro mist of acquisition is 1700m2/ kg, the earth material are from building
The soil that the soil separated in rubbish, mainly engineering construction generate；The electroslag is the electric furnace of Shanghai Wu Yangchang productions
Slag；Exciting agent is the composition of bases exciting agent A and salt exciting agent B, and the weight ratio of exciting agent A and B are 5:1；Bases swashs
It is the 30 weight %Ca (OH) of total weight based on bases exciting agent A to send out agent A2, 10 weight %NaOH, 30 weight %Na2CO3With
30 weight %Na2SiO3·9H2The mixture of O；Salt exciting agent B is the 30 weight % of total weight based on salt exciting agent B
Na2SO4, 25 weight %CaSO4·2H2O, 15 weight %CaCl2With 30 weight %CaSO4Mixture.In the urban road laying
During material preparation, first exciting agent is sufficiently mixed with micro mist in blender, then is mixed with earth material.According to standard public affairs
Road design specification carries out making using the material as road base layer, tests its 7d compression strength.Through measuring, 7d pressure resistances
Degree is 3.56MPa, complies fully with the requirement that highway is 3~4Mpa to the 7d compression strength of base.
Comparative example 1
3 tons of heavy road pavements, the difference with embodiment 1 are prepared according to operation sequence same as Example 1
Place be only that the micro mist with etc. the specific surface areas of weight be about 500m2The building refuse concrete of/kg is broken, grinding obtains
Micro mist substitute.According to standard Road Design specification, making is carried out using the material as road base layer, tests its 7d pressure resistance
Degree.According to measurement method same as Example 1, it is 1.96MPa to measure 7d compression strength, does not meet highway to base
7d compression strength is the requirement of 3~4Mpa, does not also meet requirement of the Class I highway to traffic base material.
Comparative example 2
3 tons of heavy road pavements, the difference with embodiment 1 are prepared according to operation sequence same as Example 1
Place is only that the specific surface area of micro mist is 450m2/kg.According to standard Road Design specification, using the material as highway base
Layer carries out making, tests its 7d compression strength.According to measurement method same as Example 1, measuring 7d compression strength is
2.79MPa does not meet highway and is the requirement of 3~4Mpa to the 7d compression strength of base, but meets common road for example
Requirement of the Class I highway to traffic base material.
Comparative example 3
3 tons of heavy road pavements, the difference with embodiment 1 are prepared according to operation sequence same as Example 1
Place is only that be substituted without using salt exciting agent B, the bases exciting agent A of the weight such as use.According to standard Road Design specification,
Making is carried out using the material as road base layer, tests its 7d compression strength.According to measurement method same as Example 1,
It is 3.02MPa to measure 7d compression strength, and it is wanting for 3~4Mpa to the 7d compression strength of base only to meet highway reluctantly
It asks.
Embodiment 2
The preparation of modified and enhancing lumber fibre material
(1) it is the segment materials that 0.5-2cm is not waited the culled wood in building waste to be chopped into maximum gauge；
(2) chopped segment materials are placed in agitator tank, the crospovidone aqueous solution of 25 weight % are added,
It is stirred evenly with blender, the mass ratio of segment materials and surface modifier is 300:1；
(3) polyethylene powders are added into the modified segment materials in surface, are sufficiently mixed, it is made uniformly to make segment material
The mass ratio of the surface attachment polyethylene powders of material, the segment materials and polyethylene is 80:1；
(4) mixture for obtaining step (3) is heat-treated 45 minutes under conditions of 135 DEG C, is obtained after being cooled to room temperature
Modified and enhancing lumber fibre material.
Embodiment 3
3 tons of heavy road pavements, the difference with embodiment 1 are prepared according to operation sequence same as Example 1
Place is only that the 3 of the road pavements total weight that embodiment 1 is incorporated as on the basis of the road pavements of embodiment 1
Modified and enhancing lumber fibre material made from the embodiment 2 of weight %.According to standard Road Design specification, by the material
Making is carried out as road base layer, tests its 7d compression strength.According to measurement method same as Example 1,7d resistance to compressions are measured
Intensity is 3.97MPa, meets the requirement that highway is 3~4Mpa to the 7d compression strength of base, and intensity is than embodiment 1
Road pavements improve about 11%.
Embodiment 4：The preparation of additive
The chemical structural formula of monomer (I) is：
Wherein R1For ethyl, R2Ethyoxyl, n 5, the monomer can by by polyethylene glycol and ethylacrylic acid according to normal
Rule esterification process is esterified and then esterification products is made with ethyoxyl chlorine according to conventional elimination reaction, or can be direct
Commercially available from Sigma-Aldrich companies；
The chemical structural formula of monomer (II) is：
The monomer is available commercially from Solution on Chemical Reagents in Shanghai company；
Using emulsion polymerization, 80g monomers (I) and 10g is added into round-bottomed flasks of the 500mL with mechanical stirring device
Then monomer (II) and 200mL deionized waters, logical nitrogen under stirring are added 0.1g ammonium persulfates as initiator, are warming up to
Polymerization temperature, polymerization temperature are 80 DEG C, keep reaction 4 hours, and polymerizate is recycled after reaction was completed, through measuring gained copolymer
Weight average molecular weight be about 1500.
Embodiment 5：
3 tons heavy of road pavements R ' is prepared according to operation sequence same as Example 1, not with embodiment 1
0.2 weight that the road pavements total weight is incorporated as on the basis of the road pavements of embodiment 1 is only that with place
Measure additive made from the embodiment 4 of %.According to standard Road Design specification, the material is spread as road base layer
It builds, tests water reducing ability and water-reducing agent shrinkage ratio.
Comparative example 4：
3 tons heavy of road pavements R " is prepared according to operation sequence same as Example 1, not with embodiment 1
0.3 weight that the road pavements total weight is incorporated as on the basis of the road pavements of embodiment 1 is only that with place
Measure the commercially available TH-928 polycarboxylate high performance water-reducing agents of %.TH-928 polycarboxylate high performance water-reducing agents are being currently contemplated property
It can preferable water-reducing agent.According to standard Road Design specification, making is carried out using the material as road base layer, tests water reducing ability
With water-reducing agent shrinkage ratio.
Table 1：The performance comparison of different additives
Compared with conventional water-reducing agent, water-reducing agent of the invention makes water reducing ability improve 8%, and yield rate reduces by 14%, this
It is reflected in the very big road pavements of dosage, the dosage of water can be reduced, greatly improve the intensity of road pavements,
By the enhancing of the water-reducing property, high-strength road pavements can be obtained, avoid the use of cement.Meanwhile the diminishing
The service life that the excellent properties of agent can extend road pavements can up to one times or more, to greatly extend the use of road
Service life.
Embodiment 6
3 tons of heavy road pavements, the difference with embodiment 1 are prepared according to operation sequence same as Example 1
Place is only that electroslag has carried out activation process as follows：It is quenched by being obtained after electroslag slag high pressure blow-gas
It is about 1800m that fine particle is ground to specific surface area in grinder2/ kg, the then temperature by the electroslag after grinding at 600 DEG C
The lower calcining of degree 12 hours, is then cooled to room temperature under field conditions (factors).According to standard Road Design specification, using the material as
Road base layer carries out making, tests its 7d compression strength.According to measurement method same as Example 1,7d compression strength is measured
For 4.02MPa, the requirement that highway is 3~4Mpa to the 7d compression strength of base, even higher than its standard are complied fully with.This
7d compression strength than road pavements in embodiment 1 improves about as many as 12%.
Finally it should be noted that, it is clear that, the above embodiment is merely an example for clearly illustrating the present invention, and simultaneously
The non-restriction to embodiment.For those of ordinary skill in the art, it can also do on the basis of the above description
Go out other various forms of variations or variation.There is no necessity and possibility to exhaust all the enbodiments.And thus drawn
The obvious changes or variations that Shen goes out are still in the protection scope of this invention.
Claims (1)
1. a kind of preparation method of road pavements, this approach includes the following steps：By 10-18 weight % made from phosphorus slag
Active micro mist, 25-30 weight % electroslags, earth material isolated from building waste 50-60 weight %,
0.03-0.05 weight % exciting agents, the lumber fibre material and 0.05- of modification and enhancing of the 1-5 weight % from building waste
The concrete admixture of 2 weight % is uniformly mixed, and order by merging is as follows：
(1) by micro mist active made from phosphorus slag 10-18 weight %, 25-30 weight % electroslags and 0.03-0.05 weight
The mixing of % exciting agents is measured, is stirred well to uniformly；
(2) the lumber fibre material of the mixture for obtaining step (1) and modification and enhancing of the 1-5 weight % from building waste
It is mixed with the additive of 0.05-2 weight %；With
(3) mixture that step (2) the obtains earth material isolated from building waste with 50-60 weight % is mixed,
It is stirred well to uniformly；The electroslag is treated electroslag, and the wherein content of free calcium oxide is less than 1 weight %,
The processing procedure is as follows：
(1) make under electroslag slag falls, high pressure gas is injected into the slag fallen, slag is separated into tiny droplets, it is described
High pressure gas is then to be quenched tiny droplets with the air of surrounding, the quality stream of electroslag with nitrogen, argon gas and/or helium
The ratio of the mass flow (g/s) of amount/injection high pressure gas is 0.6-1.2, and the average-size of electroslag after cooling is in 1mm-
4mm；
(2) electroslag is ground, until specific surface area is more than 1500m2/kg；With
(3) electroslag after grinding is calcined 6-36 hours at a temperature of 500-1000 DEG C, is then cooled down under field conditions (factors)
To room temperature；
(4) electroslag after the calcining for obtaining the step (3) impregnates 5 days in siliceous salt and/or the aqueous solution of aluminium containing salt
More than, the solution of the siliceous salt or aluminium containing salt is (NH4)2SiO3And NH4[Al(OH)4] both amount to 20-50 weight %'s
Aqueous solution；
Wherein the road pavements do not include cement, pitch or cement concrete；
The wherein described active micro mist by phosphorus slag by crushing, grinding acquisition；
The specific surface area of the wherein described active micro mist is 1500-1800m2/kg；
The earth material is the soil separated from building waste and great soil group impurity；
The grinding of phosphorus slag carries out in the presence of abrasive media, the abrasive media be zirconium silicate ball and yttrium stable zirconium oxide ball with
The blending agent of 4: 1~6: 1 weight ratio；
In road pavements, exciting agent is composite exciting agent,
The composite exciting agent is the composition of bases exciting agent A and salt exciting agent B, and the weight ratio of exciting agent A and B are 2: 1-
6∶1；Bases exciting agent A is the total weight 20-30 weight %Ca (OH) based on bases exciting agent A2, 10-20 weight %NaOH,
20-40 weight %Na2CO3With 20-30 weight %Na2SiO3·9H2The mixture of O；Salt exciting agent B is based on salt exciting agent
The total weight 20-40 weight %Na of B2SO4, 20-30 weight %CaSO4·2H2O, 10-20 weight %CaCl2With 20-30 weights
Measure %CaSO4Mixture；
The road pavements also include the lumber fibre material of modification and enhancing of the 1-5 weight % from building waste,
Described in modified and enhancing lumber fibre material be made by the following method：
(1) culled wood in building waste is chopped into the segment materials that maximum gauge is 0.5-2cm；
(2) chopped segment materials are placed in agitator tank, the aqueous solution of surface modifier is added, stirs evenly, segment materials and table
The mass ratio of face modifying agent is 200: 1-500: 1, and the surface modifier is crospovidone, and polyethylene is poly- in solution
A concentration of 20-30 weight % of pyrrolidones；
(3) or mixtures thereof polyethylene powders, polypropylene powder are added into the modified segment materials in surface, is uniformly mixed,
The surface of segment materials is set to adhere to or mixtures thereof polyethylene powders, polypropylene powder, the segment materials and polyethylene, poly- third
The mass ratio of or mixtures thereof alkene is 10: 1-100: 1；
(4) mixture for obtaining step (3) is heat-treated 30-60 minutes under conditions of 130-170 DEG C, after being cooled to room temperature
To modified and enhancing lumber fibre material；
Also include the concrete admixture of 0.05-2 weight % in the road pavements；
Concrete admixture is by making following monomer (I) and monomer (II) be copolymerized the copolymer obtained：
(I)
Wherein R1For the alkyl of C1-C6, R2For the alkoxy of C2-C6, n is the integer of 2-10；With
(II) α, beta-unsaturated carboxylic acid or its salt；
Wherein the weight ratio of monomer (I) and (II) are 50-95: 5-50, and the weight average molecular weight of the copolymer is 500-2000；
In the structure, the presence for repeating ethoxy unit further enhances the water-reducing property of making concrete；
The α, beta-unsaturated carboxylic acid have following chemical structural formula：
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| CN106746809A (en) * | 2016-12-31 | 2017-05-31 | 贵州贵鑫科技环保建材有限公司 | A kind of complex slag and preparation method thereof |
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| Title |
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| 碱激发废渣制备道路胶凝材料的力学性能试验研究;殷志峰 等;《中国水泥》;20091231(第3期);60-62 * |
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