CN109306192A - A kind of hard grades of bitumen cementitious matter and its preparation method and application - Google Patents
A kind of hard grades of bitumen cementitious matter and its preparation method and application Download PDFInfo
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- CN109306192A CN109306192A CN201710630471.4A CN201710630471A CN109306192A CN 109306192 A CN109306192 A CN 109306192A CN 201710630471 A CN201710630471 A CN 201710630471A CN 109306192 A CN109306192 A CN 109306192A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
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- C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
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- C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
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Abstract
The present invention provides a kind of hard grades of bitumen cementitious matter and its preparation method and application.Hard grades of bitumen cementitious matter of the invention, the component including following parts by weight: the first 25~60 parts of petroleum component, the second 15~50 parts of petroleum component, 15~35 parts and 0.05~0.1 part of catalyst of third petroleum component；Wherein: first petroleum component is de-oiled asphalt, second petroleum component is subtract four at least one of line distillate, decompression residuum and road asphalt, the third petroleum component is at least one of furfural extract oil and catalytic cracked oil pulp, and the catalyst is at least one of phosphoric acid and polyphosphoric acids；Wax content≤2.0% of the hard grades of bitumen cementitious matter；Asphalt content≤15%.Hard grades of bitumen cementitious matter of the invention can effectively solve bituminous pavement because of track disease caused by Heavy Traffic, megathermal climate etc., improves the crack resistance at low-temperature and anti-fatigue performance of asphalt, extends the service life on road surface.
Description
Technical field
The invention belongs to road asphalt technical fields, and in particular to a kind of hard grades of bitumen cementitious matter and preparation method thereof and
Using.
Background technique
Since economic rapid development and the energy, the mineral products place of origin with demand are distributed unbalanced, the traffic fortune in China
Defeated industry is rapidly developed；At the same time, highway communication can't bear the heavy load, and heavy duty and overloading are more prevalent, in addition, mostly
The increase of the extreme continuous high temperature weather frequency of occurrences, causes the track disease of bituminous pavement further serious, directly affects driving
Comfortableness and security.In view of the above-mentioned problems, can be gathered materials using hard grades of bitumen cementitious matter, raising quality, improvement pitch are mixed
Close the anti-rut behavior of the series of measures enhancing bituminous pavement such as material gradation, optimization Pavement Structure Design.
For example, to disclose a kind of easy working heat regeneration asphalt mixed for the Chinese patent of 103833267 A of Publication No. CN
Material, preparation method and application are closed, which includes No. 50 bi tumenf orr oads, new mineral aggregate and bituminous pavement salvage material, by
Oil pitch quality part that No. 50 bi tumenf orr oads and old asphalt are formed and the mineral aggregate quality formed by new, old mineral aggregate
The ratio between part is 100: (5.5~6.5)；Newly, it is respectively 50~70% and 30~50% that old mineral aggregate, which accounts for mineral aggregate percentage,.This is durable
Property high-strength heat regeneration asphalt mixture complex modulus with higher and dynamic stability, there is good high temperature anti-rut behavior,
However its crack resistance at low-temperature is lower, it is difficult to promote and apply in north cold area.
The Chinese patent of 105482475 A of Publication No. CN discloses a kind of composite modified hard grades of bitumen and its preparation side
Method, the composite modified hard grades of bitumen include the following components in terms of weight fraction: matrix pitch: 100 parts, compatilizer: 3~8
Part, rubber powder: 10~20 parts, polymer: 1~3 part, auxiliary agent: 0.1~0.4 part and pitch: 10~30 parts.It is above-mentioned composite modified
Hard grades of bitumen has many characteristics, such as that good high temperature performance, stable storing, anti-aging property are excellent, construction workability is good, however needle enters
Spend larger, dynamic viscosity is lower, and when being applied to durability High Modulus Asphalt Mixture, composite modulus is difficult to meet French height
The corresponding requirements of modulus asphalt mixture technical specification.
The Chinese patent of 101608026 A of Publication No. CN discloses a kind of hard grades of bitumen modifying agent and is modified with it
Either shallow modified pitch is by the ferric trichloride or phosphorus pentoxide and 0.5 of 94~99.4% petroleum residue, 0.1~1%
~5% petroleum naphthenic acid carries out what oxidized asphalt reacted under certain conditions, since raw material contains higher pitch
Matter causes the cryogenic property of obtained hard grades of bitumen cementitious matter and fatigue behaviour after oxidation reaction poor, it is difficult to meet France
Requirement of the High Modulus Asphalt Mixture technical specification to fatigue behaviour.
In conclusion existing hard grades of bitumen cementitious matter and asphalt are generally existing following insufficient: 1) ordinary rigid
The black brittleness of bituminous cements is big, and bending resistance draws performance insufficient, is easy to produce warm draw when being applied to plain asphalt mixture
Seam, it is difficult to be promoted and applied in northern cold, severe cold area；2) soft component of ordinary rigid bituminous cements is less, is being applied to
Anti-fatigue performance when High Modulus Asphalt Mixture will be greatly reduced, its endurance quality is caused to be remarkably decreased.
Therefore, how to ensure hard grades of bitumen cementitious matter under high temperature, fully loaded transportation condition with excellent anti-rut behavior
Meanwhile improving it in the adaptability of north cold area, its anti-fatigue performance and endurance quality are improved, specifically how is improved
Performance is drawn in the black brittleness of hard grades of bitumen cementitious matter and bending resistance, is always those skilled in the art's insoluble technology for a long time
Problem.
Summary of the invention
The present invention provides a kind of hard grades of bitumen cementitious matter and its preparation method and application, which overcomes
Existing hard grades of bitumen black brittleness is big, the defects of performance is poor, anti-fatigue performance and endurance quality are insufficient is drawn in bending resistance, is solving
Bituminous pavement is because while track disease, improving the low-temperature cracking-resistance of asphalt caused by Heavy Traffic, megathermal climate
Energy and anti-fatigue performance, extend the service life on road surface.
The present invention provides a kind of hard grades of bitumen cementitious matter, the component including following parts by weight:
First 25~60 parts of petroleum component, the second 15~50 parts of petroleum component, 15~35 parts of third petroleum component and catalysis
0.05~0.1 part of agent；Wherein:
First petroleum component is de-oiled asphalt, second petroleum component be the line distillate that subtracts four, decompression residuum and
At least one of road asphalt, the third petroleum component be at least one of furfural extract oil and catalytic cracked oil pulp,
The catalyst is at least one of phosphoric acid and polyphosphoric acids；
Wax content≤2.0% of the hard grades of bitumen cementitious matter；Asphalt content≤15%.
Further, wax content≤1.8% of the hard grades of bitumen cementitious matter, asphalt content≤5%.
Further, asphalt content≤2.0% of the hard grades of bitumen cementitious matter.In the present invention, such as without special theory
Bright, the content (%) of each substance is quality quality (wt%).
In the present invention, the de-oiled asphalt is to utilize the hydrocarbon such as propane, butane using mink cell focuses such as decompression residuum as raw material
The extract remainder that class is extracted as solvent.Specifically, de-oiled asphalt can be propane de-oiled asphalt, butane de-oiled asphalt and
At least one of propane and butane mixed solvent de-oiled asphalt；Wherein, the propane and butane in the mixed solvent propane and fourth
The mass ratio of alkane can be 1:1.In particular, 25 DEG C of needle penetrations of the de-oiled asphalt are 5~45dmm；Asphalt content≤
5.0%；Further, asphalt content≤2.0%.
In the present invention, the boiling range range of the line distillate that subtracts four is 400 DEG C~520 DEG C；The decompression residuum be from
The residue oil of Vacuum Tower In Refinery bottom extraction, specifically, the softening point of the decompression residuum are 25~40 DEG C；Wax content≤
2.0%；The road asphalt is to meet each class requirement in " standard specification for construction and acceptance of highway asphalt pavement " (JTG F40-2004)
Road asphalt, such as No. 30 road asphalts, No. 50 road asphalts, No. 70 road asphalts, No. 90 road asphalts, No. 110 roads
Pitch, No. 130 road asphalts etc..
In the present invention, furfural extract oil is the product for making solvent extraction with furfural, and catalytic cracked oil pulp is that oil plant is urged
Change the residue oil that process is formed, specifically, the arene content of the furfural extract oil and catalytic cracked oil pulp is 50%~
80%；100 DEG C of kinematic viscosity are 20mm2/ s~70mm2/s。
In particular, above-mentioned first petroleum, the second petroleum component and third petroleum component be mixed to form in the case where heating state it is mixed
Material is closed, 25 DEG C of needle penetrations are 50~150dmm；Wax content≤2.0%；Asphalt content≤5.0%；Further, wax contains
Amount≤1.8%；Asphalt content≤2.0%.
In the present invention, the P of the polyphosphoric acids2O5Content >=80%.
Hard grades of bitumen cementitious matter of the invention, 25 DEG C of needle penetrations are 10~25dmm；60 DEG C of dynamic viscosities >=
10000Pa.s；High-temperature behavior grade is PG94~PG100；Cryogenic property grade is PG-22~PG-28；Stress is compacted more than 76 DEG C
Become creep compliance≤0.5 of test, creep compliance change rate≤75%, further, creep compliance≤0.1, creep compliance become
Rate≤5%.
The present invention also provides the preparation methods of above-mentioned hard grades of bitumen cementitious matter, include the following steps:
1) by 25~60 parts of the first petroleum component, 15~50 parts of the second petroleum component and 15~35 parts of third stone
Oil ingredient is uniformly mixed in the case where heating state, obtains mixture；
2) 0.05~0.1 part of catalyst is added into the mixture, slowly heating, is passed through sky under agitation
Gas is reacted, and the hard grades of bitumen cementitious matter is obtained.
Further, step 2) includes:
0.05~0.1 part of catalyst is added into the mixture, under agitation, it is to slowly warm up to 190~
220 DEG C, air is passed through with the flow of 2.5~4.0L/min.kg, 6~15h is reacted, obtains the hard grades of bitumen cementitious matter.
The present invention also provides a kind of asphalts, including mineral aggregate and above-mentioned hard grades of bitumen cementitious matter, in which: the mine
Material includes the miberal powder of 95~97 parts by weight to gather materials with 3~5 parts by weight, the asphalt Mineral Material and hard grades of bitumen glue
The quality proportioning of ramming material is 100:(5.5~6.5).
In the present invention, described to gather materials for basalt, limestone or doleritic gather materials (including coarse aggregate, fine aggregate)；
The miberal powder is limestone powder.Wherein, coarse aggregate, fine aggregate, mountain flour physicochemical property should meet JTG F40-2004
" standard specification for construction and acceptance of highway asphalt pavement " corresponding technical requirements.
Further, the gradation of the mineral aggregate are as follows: 16mm sieve pore percent of pass 100%, 13.2mm sieve pore percent of pass 90~
100%, 9.5mm sieve pore percent of pass 55~75%, 4.75mm sieve pore percent of pass 45~55%, 2.36mm sieve pore percent of pass 28~
36%, 1.18mm sieve pore percent of pass 18~28%, 0.6mm sieve pore percent of pass 12~20%, 0.3mm sieve pore percent of pass 9~
15%, 0.15mm sieve pore percent of pass 8.0~10%, 0.075mm sieve pore percent of pass 6.0~7.5%.
The present invention also provides the preparation methods of above-mentioned asphalt, include the following steps:
A) respectively to gather materials, miberal powder and hard grades of bitumen cementitious matter preheat；
B) preheated gathering materials is stirred with hard grades of bitumen cementitious matter, then is stirred with preheated miberal powder, made
Obtain the asphalt.
Further, step a) includes:
It will gather materials and be preheated to 185~195 DEG C respectively with miberal powder, hard grades of bitumen cementitious matter is preheated to 175~185 DEG C, is protected
Warm standby is used.
Further, step b) includes:
To gather materials with hard grades of bitumen cementitious matter in paddle rotational velocity be 72~78r/min, revolution speed by preheated
To be stirred 50~70s under conditions of 42~48r/min, then with preheated miberal powder paddle rotational velocity be 72~
78r/min, revolution speed are stirred 110~130s under conditions of being 42~48r/min, the asphalt are made.
Asphalt of the invention:
According to EN 12697-31 gyratory compaction test method, the asphalt is after gyratory compaction molding, test specimen
Voidage VV be 1.0%~3.0%；Wherein, experimental condition: interior swing angle is 0.82 ° (outer swing angle is 1 °), and pressure at right angle is
600KPa, under the conditions of rotation speed is 30r/min, gyratory compaction number is 100 times；
According to EN 12697-26 complex modulus test method, the asphalt is compound under 15 DEG C of test temperatures
Modulus >=17000MP；The asphalt is under 20 DEG C of test temperatures, composite modulus >=15000MPa；
According to EN 12697-22 wheel tracking test method, the asphalt is under 60 DEG C of test temperatures, rutting deformation
Rate≤5.0%；
According to T 0718-2011 wheel tracking test method, the asphalt dynamic stability >=5500 time/mm；
According to EN 12697-24 fatigue test method, the asphalt is 10 DEG C in test temperature, and frequency is
25Hz, under the conditions of microstrain is 130 μ ε, fatigue life >=1300000 time of French two o'clock ladder beam fatigue test；
According to T 0715-2011 asphalt bend test method, the asphalt is -10 in test temperature
DEG C, under conditions of loading speed is 50mm/min, the maximal destruction of girder bend test strains >=2800 μ ε；
According to T 0729-2000 asphalt indirect tensile test on frozen-thaw method, the asphalt is followed through a freeze thawing
After ring, freeze-thaw split intensity ratio TSR >=85% of indirect tensile test on frozen-thaw.
Implementation of the invention, at least has the advantage that
1, compared to ordinary rigid bituminous cements, 60 DEG C of dynamic viscosities of hard grades of bitumen cementitious matter of the invention >=
10000Pa.s, high-temperature behavior grade are PG94~PG100, and cryogenic property grade is PG-22~PG-28, are had superior
High temperature and cryogenic property.
2, compared to ordinary rigid bituminous cements, hard grades of bitumen cementitious matter of the invention is being applied to durability Gao Mo
When measuring asphalt, >=2800 μ ε of maximal destruction strain of the low-temperature bending test of asphalt, French two o'clock ladder
Fatigue life >=1300000 time of ellbeam fatigue test have more preferably crack resistance at low-temperature and endurance quality, extend road
The service life in face.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, right below in conjunction with the embodiment of the present invention
Technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is the present invention one
Divide embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
The raw material that each embodiment uses is as follows:
Each de-oiled asphalt: 25 DEG C of needle penetrations of each de-oiled asphalt are 5~45dmm, asphalt content≤5.0%；In coming from
Petroleum Kelamayi petrochemical industry Co., Ltd；
The line distillate that subtracts four: boiling range range is 400 DEG C~520 DEG C；It is public from middle petroleum Kelamayi petrochemical industry Limited Liability
Department；
Decompression residuum: the softening point of decompression residuum is 25~40 DEG C, wax content≤2.0%；From middle petroleum Kelamayi
Petrochemical industry Co., Ltd；
Each road asphalt: meet each class requirement in " standard specification for construction and acceptance of highway asphalt pavement " (JTG F40-2004)；
From middle petroleum Kelamayi petrochemical industry Co., Ltd；
Furfural extract oil: the arene content of furfural extract oil is 50%~80%, and 100 DEG C of kinematic viscosity are 20mm2/ s~
70mm2/s；From middle petroleum Kelamayi petrochemical industry Co., Ltd；
Catalytic cracked oil pulp: the arene content of catalytic cracked oil pulp is 50%~80%, and 100 DEG C of kinematic viscosity are
20mm2/ s~70mm2/s；From middle petroleum Kelamayi petrochemical industry Co., Ltd；
Polyphosphoric acids: its P2O5Content >=80%.
Embodiment 1
1, hard grades of bitumen cementitious matter and its preparation
The hard grades of bitumen cementitious matter of the present embodiment is grouped as by the group of following parts by weight: 60 parts of propane de-oiled asphalt, No. 90
24.95 parts of road asphalt, 15 parts and 0.05 part of phosphoric acid of furfural extract oil.
Above-mentioned hard grades of bitumen cementitious matter the preparation method is as follows:
Reaction is added in 60 parts of propane de-oiled asphalt, 24.95 parts No. 90 road asphalts and 15 parts of furfural extract oil
In kettle, it is uniformly mixed in the case where heating state, obtains mixture；Through detecting, 25 DEG C of needle penetrations of the mixture are 50dmm, and wax content is
1.8%, asphalitine 0.4%.
0.05 part of phosphoric acid is added into above-mentioned mixture, is then to slowly warm up to 200 DEG C under agitation, to anti-
It answers kettle to be passed through the air that flow is 2.5L/min.kg, reacts 15h, obtain hard grades of bitumen cementitious matter.
Through detecting, 25 DEG C of needle penetrations of above-mentioned hard grades of bitumen cementitious matter are 10dmm, and 60 DEG C of viscositys are 16042Pa.s, high temperature
Performance rate is PG100, and cryogenic property grade is PG-28, wax content 1.7%, asphalt content 1.2%, 76 DEG C,
The creep compliance of more change-stress creep tests of 3.2KPa is that 0.044,0.1KPa~3.2KPa creep compliance change rate is
2.48%.
Wherein, 25 DEG C of needle penetrations are detected using T0604-2011 method；60 DEG C are detected using T0625-2011 method to stick
Degree；High-temperature behavior grade is detected using AASHTO T315-10 method；Cryogenic property is detected using AASHTO T313-10 method
Grade；Wax content is detected using T0615-2011 method；Asphalt content is detected using NB/SH/T0509-2010 method；It adopts
More change-stress creep tests, experimental condition are carried out with AASHTO TP70-10 method are as follows: test temperature is 76 DEG C, applied stress point
It Wei not 0.1KPa, 3.2KPa.
2, asphalt and preparation method thereof
The asphalt of the present embodiment includes mineral aggregate and above-mentioned hard grades of bitumen cementitious matter, in which: mineral aggregate is profound by 97 parts
The limestone mineral powder composition that Wu Yan gathers materials with 3 parts, asphalt Mineral Material and the quality proportioning of hard grades of bitumen cementitious matter are
100:5.8.
Wherein, mineral aggregate gradation correspond to screen size 16mm, 13.2mm, 9.5mm, 4.75mm, 2.36mm, 1.18mm,
0.6mm, 0.3mm, 0.15mm, 0.075mm, weight percent percent of pass is successively are as follows: 100%, 95%, 65%, 50%,
32%, 25%, 16%, 12%, 9%, 6.5%；The physicochemical property of coarse aggregate, fine aggregate and mountain flour such as the following table 1.
The physicochemical property that table 1 gathers materials with miberal powder
Above-mentioned asphalt the preparation method is as follows:
97 parts of basalt aggregate and 3 parts of limestone powder are previously heated to 195 DEG C respectively, by 5.8 parts of hard
Bituminous cements is previously heated to 185 DEG C；It keeps the temperature spare.
195 DEG C of basalt aggregate and 185 DEG C of hard grades of bitumen cementitious matter poured into and is previously heated to 185 DEG C and mixes and stirs
In pot, pot is mixed and stirred in starting, is 72r/min in paddle rotational velocity, revolution speed stirs 60s under conditions of being 48r/min；
Again to the limestone powder that 195 DEG C are added in pot is mixed and stirred, continue in paddle rotational velocity to be 72r/min, revolution speed is
120s is mixed and stirred under conditions of 48r/min, obtains asphalt.
It is detected using performance of the following methods to above-mentioned asphalt:
According to EN 12697-31 gyratory compaction test method shaping test piece, wherein experimental condition are as follows: interior swing angle is
0.82 ° (outer swing angle is 1 °), pressure at right angle 600KPa, under the conditions of rotation speed is 30r/min, gyratory compaction number is 100
It is secondary, and voidage VV is calculated using following French Standard；
Wherein: hmin: it is compacted the minimum constructive height of test specimen, corresponding voidage is 0, unit mm；
hi: the height of test specimen, unit mm after rotation i times.
Immersion Marshall test is carried out according to T0709-2011 test method, detects the water resistant damageability of asphalt
Energy；
Asphalt indirect tensile test on frozen-thaw is carried out according to T 0729-2000 test method, after detecting a Frozen-thawed cycled
Freeze-thaw split intensity ratio TSR；
The rutting deformation rate at 60 DEG C is detected according to EN 12697-22 wheel tracking test method；
Dynamic stability is detected according to T 0718-2011 wheel tracking test method；
According to the maximal destruction strain of T 0715-2011 asphalt bend test method detection girder bend test
>=2800 μ ε, wherein experimental condition are as follows: test temperature is -10 DEG C, loading speed 50mm/min；
According to EN 12697-26 complex modulus test method detect 15 DEG C at composite modulus (15 DEG C of ITSM modulus) and
Composite modulus (20 DEG C of ITSM modulus) at 20 DEG C；
The fatigue life of French two o'clock ladder beam fatigue test is detected according to EN 12697-24 fatigue test method,
In, experimental condition are as follows: test temperature is 10 DEG C, frequency 25Hz, and microstrain is 130 μ ε；
It the results are shown in Table 4.
Embodiment 2
1, hard grades of bitumen cementitious matter and its preparation
The hard grades of bitumen cementitious matter of the present embodiment is grouped as by the group of following parts by weight: 34.9 parts of butane de-oiled asphalt, being subtracted
50 parts of residual oil of pressure, 15 parts and 0.1 part of phosphoric acid of catalytic cracked oil pulp.
Above-mentioned hard grades of bitumen cementitious matter the preparation method is as follows:
Reaction kettle is added in 34.9 parts of butane de-oiled asphalt, 50 parts of decompression residuum and 15 parts of catalytic cracked oil pulp
In, it is uniformly mixed in the case where heating state, obtains mixture；Through detecting, 25 DEG C of needle penetration 150dmm of the mixture, wax content is
1.8%, asphalitine 2.0%.
0.1 part of phosphoric acid is added into above-mentioned mixture, 200 DEG C are then to slowly warm up under agitation, to reaction
Kettle is passed through the air that flow is 3.0L/min.kg, reacts 10h, obtains hard grades of bitumen cementitious matter.
It is detected using 1 method of embodiment, 25 DEG C of needle penetrations of above-mentioned hard grades of bitumen cementitious matter are 15dmm, 60 DEG C of viscositys
For 13542Pa.s, high-temperature behavior grade is PG94, and cryogenic property grade is PG-28, wax content 1.6%, asphalt content
It is 1.9%, 76 DEG C, the creep compliance of more change-stress creep tests of 3.2KPa is that 0.051,0.1KPa~3.2KPa creep is soft
Quantitative change rate is 2.317%.
2, asphalt and preparation method thereof
The asphalt of the present embodiment is grouped as by the group of following parts by weight: 95 parts of limestone aggregates, limestone powder
5 parts and 6.5 parts of above-mentioned hard grades of bitumen cementitious matter.
Wherein, mineral aggregate gradation correspond to screen size 16mm, 13.2mm, 9.5mm, 4.75mm, 2.36mm, 1.18mm,
0.6mm, 0.3mm, 0.15mm, 0.075mm, weight percent percent of pass is successively are as follows: 100%, 97%, 70%, 50%,
34%, 28%, 15%, 13%, 9.5%, 7.5%；The physicochemical property of coarse aggregate, fine aggregate and mountain flour such as the following table 2.
The physicochemical property that table 2 gathers materials with miberal powder
Above-mentioned asphalt the preparation method is as follows:
95 parts of limestone aggregates and 5 parts of limestone powder are previously heated to 185 DEG C respectively, by 6.5 parts of hard
Bituminous cements is previously heated to 175 DEG C；It keeps the temperature spare.
185 DEG C of limestone aggregates and 175 DEG C of hard grades of bitumen cementitious matter are poured into and is previously heated to 175 DEG C and mixes and stirs
In pot, pot is mixed and stirred in starting, is 78r/min in paddle rotational velocity, revolution speed stirs 60s under conditions of being 42r/min；
Again to the limestone powder that 185 DEG C are added in pot is mixed and stirred, continue in paddle rotational velocity to be 78r/min, revolution speed is
120s is mixed and stirred under conditions of 42r/min, obtains asphalt.
The performance of above-mentioned asphalt is detected using 1 method of embodiment, the results are shown in Table 4.
Embodiment 3
1, hard grades of bitumen cementitious matter and its preparation
The hard grades of bitumen cementitious matter of the present embodiment is grouped as by the group of following parts by weight: propane and butane mixed solvent (third
The mass ratio of alkane and butane is 1:1) 25.0 parts of de-oiled asphalt, No. 30 10.0 parts of road asphalt, subtract four 29.95 parts of line distillate,
35.0 parts and 0.05 part of phosphoric acid of catalytic cracked oil pulp.
Above-mentioned hard grades of bitumen cementitious matter the preparation method is as follows:
By 25.0 parts of propane and butane mixed solvent de-oiled asphalt, 10.0 parts No. 30 road asphalts, 29.95 parts
The line distillate that subtracts four and 35.0 parts of catalytic cracked oil pulp are added in reaction kettle, uniformly mixed in the case where heat state, are mixed
Material；Through detecting, 25 DEG C of needle penetration 65dmm of the mixture, wax content 1.7%, asphalitine 1.2%.
0.05 part of phosphoric acid is added into above-mentioned mixture, is then to slowly warm up to 210 DEG C under agitation, to anti-
It answers kettle to be passed through the air that flow is 3.0L/min.kg, reacts 8h, obtain hard grades of bitumen cementitious matter.
It is detected using 1 method of embodiment, 25 DEG C of needle penetrations of above-mentioned hard grades of bitumen cementitious matter are 25dmm, 60 DEG C of viscositys
For 10000Pa.s, high-temperature behavior grade is PG94, and cryogenic property grade is PG-22, wax content 1.7%, asphalt content
It is 1.8%, 76 DEG C, the creep compliance of more change-stress creep tests of 3.2KPa is that 0.025,0.1KPa~3.2KPa creep is soft
Quantitative change rate is 1.864%.
2, asphalt and preparation method thereof
The asphalt of the present embodiment is grouped as by the group of following parts by weight: 96 parts of limestone aggregates, limestone powder
4 parts and 6.2 parts of above-mentioned hard grades of bitumen cementitious matter.
Wherein, mineral aggregate gradation correspond to screen size 16mm, 13.2mm, 9.5mm, 4.75mm, 2.36mm, 1.18mm,
0.6mm, 0.3mm, 0.15mm, 0.075mm, weight percent percent of pass is successively are as follows: 100%, 97%, 70%, 50%,
34%, 28%, 15%, 13%, 9.5%, 7.5%；The physicochemical property of coarse aggregate, fine aggregate and mountain flour is same as Example 2.
Above-mentioned asphalt the preparation method is as follows:
96 parts of limestone aggregates and 4 parts of limestone powder are previously heated to 190 DEG C respectively, by 6.2 parts of hard
Bituminous cements is previously heated to 180 DEG C；It keeps the temperature spare.
190 DEG C of limestone aggregates and 180 DEG C of hard grades of bitumen cementitious matter are poured into and is previously heated to 180 DEG C and mixes and stirs
In pot, pot is mixed and stirred in starting, is 75r/min in paddle rotational velocity, revolution speed stirs 60s under conditions of being 45r/min；
Again to the limestone powder that 190 DEG C are added in pot is mixed and stirred, continue in paddle rotational velocity to be 75r/min, revolution speed is
120s is mixed and stirred under conditions of 45r/min, obtains asphalt.
The performance of above-mentioned asphalt is detected using 1 method of embodiment, the results are shown in Table 4.
Embodiment 4
1, hard grades of bitumen cementitious matter and its preparation
The hard grades of bitumen cementitious matter of the present embodiment is grouped as by the group of following parts by weight: 40.0 parts of propane de-oiled asphalt, fourth
20.0 parts of alkane de-oiled asphalt, subtract four 15.0 parts of line distillate, 24.95 parts and 0.05 part of polyphosphoric acids of furfural extract oil.
Above-mentioned hard grades of bitumen cementitious matter the preparation method is as follows:
By 40.0 parts of propane de-oiled asphalt, 20.0 parts of butane de-oiled asphalt, 15.0 parts of the line distillate that subtracts four and
24.95 parts of furfural extract oil is added in reaction kettle, is uniformly mixed in the case where heating state, obtains mixture；Through detecting, the mixing
Expect 25 DEG C of needle penetration 105dmm, wax content 1.3%, asphalitine 1.2%.
0.05 part of polyphosphoric acids is added into above-mentioned mixture, is then to slowly warm up to 190 DEG C under agitation,
It is passed through the air that flow is 4.0L/min.kg to reaction kettle, 12h is reacted, obtains hard grades of bitumen cementitious matter.
It is detected using 1 method of embodiment, 25 DEG C of needle penetrations of above-mentioned hard grades of bitumen cementitious matter are 20dmm, 60 DEG C of viscositys
For 22892Pa.s, high-temperature behavior grade is PG100, and cryogenic property grade is PG-28, wax content 1.7%, asphalt content
It is 1.3%, 76 DEG C, the creep compliance of more change-stress creep tests of 3.2KPa is that 0.034,0.1KPa~3.2KPa creep is soft
Quantitative change rate is 2.101%.
2, asphalt and preparation method thereof
The asphalt of the present embodiment is grouped as by the group of following parts by weight: 97 parts of limestone aggregates, limestone powder
3 parts and 5.5 parts of above-mentioned hard grades of bitumen cementitious matter.
Wherein, mineral aggregate gradation correspond to screen size 16mm, 13.2mm, 9.5mm, 4.75mm, 2.36mm, 1.18mm,
0.6mm, 0.3mm, 0.15mm, 0.075mm, weight percent percent of pass is successively are as follows: 100%, 97%, 70%, 50%,
34%, 28%, 15%, 13%, 9.5%, 6.0%；The physicochemical property of coarse aggregate, fine aggregate and mountain flour is same as Example 2.
Above-mentioned asphalt the preparation method is as follows:
97 parts of limestone aggregates and 3 parts of limestone powder are previously heated to 190 DEG C respectively, by 5.5 parts of hard
Bituminous cements is previously heated to 180 DEG C；It keeps the temperature spare.
190 DEG C of limestone aggregates and 180 DEG C of hard grades of bitumen cementitious matter are poured into and is previously heated to 180 DEG C and mixes and stirs
In pot, pot is mixed and stirred in starting, is 75r/min in paddle rotational velocity, revolution speed stirs 60s under conditions of being 45r/min；
Again to the limestone powder that 190 DEG C are added in pot is mixed and stirred, continue in paddle rotational velocity to be 75r/min, revolution speed is
120s is mixed and stirred under conditions of 45r/min, obtains asphalt.
The performance of above-mentioned asphalt is detected using 1 method of embodiment, the results are shown in Table 4.
Embodiment 5
1, hard grades of bitumen cementitious matter and its preparation
The hard grades of bitumen cementitious matter of the present embodiment is grouped as by the group of following parts by weight: 49.95 parts of butane de-oiled asphalt,
Subtract four 25.0 parts of line distillate, 25.0 parts and 0.05 part of polyphosphoric acids of furfural extract oil.
Above-mentioned hard grades of bitumen cementitious matter the preparation method is as follows:
49.95 parts of butane de-oiled asphalt, 25.0 parts of the line distillate that subtracts four and 25.0 parts of furfural extract oil are added
In reaction kettle, it is uniformly mixed in the case where heating state, obtains mixture；Through detecting, 25 DEG C of needle penetration 96dmm of the mixture, wax content
It is 1.8%, asphalitine 0.9%.
0.05 part of polyphosphoric acids is added into above-mentioned mixture, is then to slowly warm up to 220 DEG C under agitation,
It is passed through the air that flow is 3.0L/min.kg to reaction kettle, 6h is reacted, obtains hard grades of bitumen cementitious matter.
It is detected using 1 method of embodiment, 25 DEG C of needle penetrations of above-mentioned hard grades of bitumen cementitious matter are 22dmm, 60 DEG C of viscositys
For 14892Pa.s, high-temperature behavior grade is PG94, and cryogenic property grade is PG-28, wax content 1.8%, asphalt content
It is 1.8%, 76 DEG C, the creep compliance of more change-stress creep tests of 3.2KPa is that 0.024,0.1KPa~3.2KPa creep is soft
Quantitative change rate is 1.902%.
2, asphalt and preparation method thereof
The asphalt of the present embodiment is grouped as by the group of following parts by weight: diabase gathers materials 96 parts, limestone powder
4 parts and 5.8 parts of above-mentioned hard grades of bitumen cementitious matter.
Wherein, mineral aggregate gradation correspond to screen size 16mm, 13.2mm, 9.5mm, 4.75mm, 2.36mm, 1.18mm,
0.6mm, 0.3mm, 0.15mm, 0.075mm, weight percent percent of pass is successively are as follows: 100%, 95%, 70%, 50%,
33%, 26.5%, 13.5%, 12.5%, 9.0%, 7.0%；The physicochemical property of coarse aggregate, fine aggregate and mountain flour such as the following table 3.
The physicochemical property that table 3 gathers materials with miberal powder
Above-mentioned asphalt the preparation method is as follows:
96 parts of diabase is gathered materials respectively and 4 parts of limestone powder is previously heated to 190 DEG C, by 5.8 parts of hard
Bituminous cements is previously heated to 180 DEG C；It keeps the temperature spare.
190 DEG C of diabase gathered materials to pour into 180 DEG C of hard grades of bitumen cementitious matter and is previously heated to 180 DEG C and mixes and stirs
In pot, pot is mixed and stirred in starting, is 75r/min in paddle rotational velocity, revolution speed stirs 60s under conditions of being 45r/min；
Again to the limestone powder that 190 DEG C are added in pot is mixed and stirred, continue in paddle rotational velocity to be 75r/min, revolution speed is
120s is mixed and stirred under conditions of 45r/min, obtains asphalt.
The performance of above-mentioned asphalt is detected using 1 method of embodiment, the results are shown in Table 4.
Embodiment 6
1, hard grades of bitumen cementitious matter and its preparation
The hard grades of bitumen cementitious matter of the present embodiment is grouped as by the group of following parts by weight: 54.95 parts of propane de-oiled asphalt,
No. 110 25.0 parts of road asphalt, 10.0 parts of furfural extract oil, 10.0 parts of catalytic cracked oil pulp and 0.05 part of phosphoric acid.
Above-mentioned hard grades of bitumen cementitious matter the preparation method is as follows:
By 54.95 parts of propane de-oiled asphalt, 25.0 parts No. 110 road asphalts, 10.0 parts of furfural extract oil and
10.0 parts of catalytic cracked oil pulp is added in reaction kettle, is uniformly mixed in the case where heating state, obtains mixture；Through detecting, the mixing
Expect 25 DEG C of needle penetration 134dmm, wax content 1.6%, asphalitine 1.6%.
0.05 part of phosphoric acid is added into above-mentioned mixture, is then to slowly warm up to 200 DEG C under agitation, to anti-
It answers kettle to be passed through the air that flow is 3.0L/min.kg, reacts 10h, obtain hard grades of bitumen cementitious matter.
It is detected using 1 method of embodiment, 25 DEG C of needle penetrations of above-mentioned hard grades of bitumen cementitious matter are 19dmm, 60 DEG C of viscositys
For 15032Pa.s, high-temperature behavior grade is PG94, and cryogenic property grade is PG-28, wax content 1.4%, asphalt content
It is 1.7%, 76 DEG C, the creep compliance of more change-stress creep tests of 3.2KPa is that 0.027,0.1KPa~3.2KPa creep is soft
Quantitative change rate is 1.921%.
2, asphalt and preparation method thereof
The asphalt of the present embodiment is grouped as by the group of following parts by weight: 96 parts of limestone aggregates, limestone powder
4 parts and 6.4 parts of above-mentioned hard grades of bitumen cementitious matter.
Wherein, mineral aggregate gradation correspond to screen size 16mm, 13.2mm, 9.5mm, 4.75mm, 2.36mm, 1.18mm,
0.6mm, 0.3mm, 0.15mm, 0.075mm, weight percent percent of pass is successively are as follows: 100%, 95%, 70%, 50%,
33%, 26.5%, 13.5%, 12.5%, 9.0%, 7.0%；Coarse aggregate, the physicochemical property of fine aggregate and mountain flour and embodiment 2
It is identical.
Above-mentioned asphalt the preparation method is as follows:
96 parts of limestone aggregates and 4 parts of limestone powder are previously heated to 190 DEG C respectively, by 6.4 parts of hard
Bituminous cements is previously heated to 180 DEG C；It keeps the temperature spare.
190 DEG C of limestone aggregates and 180 DEG C of hard grades of bitumen cementitious matter are poured into and is previously heated to 180 DEG C and mixes and stirs
In pot, pot is mixed and stirred in starting, is 75r/min in paddle rotational velocity, revolution speed stirs 60s under conditions of being 45r/min；
Again to the limestone powder that 190 DEG C are added in pot is mixed and stirred, continue in paddle rotational velocity to be 75r/min, revolution speed is
120s is mixed and stirred under conditions of 45r/min, obtains asphalt.
The performance of above-mentioned asphalt is detected using 1 method of embodiment, the results are shown in Table 4.
Embodiment 7
1, hard grades of bitumen cementitious matter and its preparation
The hard grades of bitumen cementitious matter of the present embodiment is grouped as by the group of following parts by weight: 59.95 parts of propane de-oiled asphalt,
No. 70 30.0 parts of road asphalt, 5.0 parts of furfural extract oil, 5.0 parts of catalytic cracked oil pulp and 0.05 part of phosphoric acid.
Above-mentioned hard grades of bitumen cementitious matter the preparation method is as follows:
By 59.95 parts of propane de-oiled asphalt, 30.0 parts No. 70 road asphalts and 5.0 parts of furfural extract oil and 5.0
The catalytic cracked oil pulp of part is added in reaction kettle, is uniformly mixed in the case where heating state, obtains mixture；Through detecting, the mixture 25
DEG C needle penetration 86dmm, wax content 1.4%, asphalitine 1.6%.
0.05 part of phosphoric acid is added into above-mentioned mixture, is then to slowly warm up to 200 DEG C under agitation, to anti-
It answers kettle to be passed through the air that flow is 3.0L/min.kg, reacts 8h, obtain hard grades of bitumen cementitious matter.
It is detected using 1 method of embodiment, 25 DEG C of needle penetrations of above-mentioned hard grades of bitumen cementitious matter are 20dmm, 60 DEG C of viscositys
For 16892Pa.s, high-temperature behavior grade is PG100, and cryogenic property grade is PG-22, wax content 1.2%, asphalt content
It is 0.7%, 76 DEG C, the creep compliance of more change-stress creep tests of 3.2KPa is that 0.024,0.1KPa~3.2KPa creep is soft
Quantitative change rate is 2.043%.
2, asphalt and preparation method thereof
The asphalt of the present embodiment is grouped as by the group of following parts by weight: 96 parts of limestone aggregates, limestone powder
4 parts and 6 parts of above-mentioned hard grades of bitumen cementitious matter.
Wherein, mineral aggregate gradation correspond to screen size 16mm, 13.2mm, 9.5mm, 4.75mm, 2.36mm, 1.18mm,
0.6mm, 0.3mm, 0.15mm, 0.075mm, weight percent percent of pass is successively are as follows: 100%, 95%, 70%, 50%,
33%, 26.5%, 13.5%, 12.5%, 9.0%, 7.0%；Coarse aggregate, the physicochemical property of fine aggregate and mountain flour and embodiment 2
It is identical.
Above-mentioned asphalt the preparation method is as follows:
96 parts of limestone aggregates and 4 parts of limestone powder are previously heated to 190 DEG C respectively, by 6.0 parts of hard
Bituminous cements is previously heated to 180 DEG C；It keeps the temperature spare.
190 DEG C of limestone aggregates and 180 DEG C of hard grades of bitumen cementitious matter are poured into and is previously heated to 180 DEG C and mixes and stirs
In pot, pot is mixed and stirred in starting, is 75r/min in paddle rotational velocity, revolution speed stirs 60s under conditions of being 45r/min；
Again to the limestone powder that 190 DEG C are added in pot is mixed and stirred, continue in paddle rotational velocity to be 75r/min, revolution speed is
120s is mixed and stirred under conditions of 45r/min, obtains asphalt.
The performance of above-mentioned asphalt is detected using 1 method of embodiment, the results are shown in Table 4.
Embodiment 8
1, hard grades of bitumen cementitious matter and its preparation
The hard grades of bitumen cementitious matter of the present embodiment is grouped as by the group of following parts by weight: 59.95 parts of propane de-oiled asphalt,
No. 50 25.0 parts of road asphalt, 7.5 parts of furfural extract oil, 7.5 parts of catalytic cracked oil pulp and 0.05 part of phosphoric acid.
Above-mentioned hard grades of bitumen cementitious matter the preparation method is as follows:
By 59.95 parts of propane de-oiled asphalt, 25.0 parts No. 50 road asphalts, 7.5 parts of furfural extract oils and 7.5
The catalytic cracked oil pulp of part is added in reaction kettle, is uniformly mixed in the case where heating state, obtains mixture；Through detecting, the mixture 25
DEG C needle penetration 55dmm, wax content 1.7%, asphalitine 1.6%.
0.05 part of phosphoric acid is added into above-mentioned mixture, is then to slowly warm up to 200 DEG C under agitation, to anti-
It answers kettle to be passed through the air that flow is 3.0L/min.kg, reacts 8h, obtain hard grades of bitumen cementitious matter.
It is detected using 1 method of embodiment, 25 DEG C of needle penetrations of above-mentioned hard grades of bitumen cementitious matter are 12dmm, 60 DEG C of viscositys
For 16492Pa.s, high-temperature behavior grade is PG100, and cryogenic property grade is PG-22, wax content 1.7%, asphalt content
It is 0.7%, 76 DEG C, the creep compliance of more change-stress creep tests of 3.2KPa is that 0.036,0.1KPa~3.2KPa creep is soft
Quantitative change rate is 2.172%.
2, asphalt and preparation method thereof
The asphalt of the present embodiment is grouped as by the group of following parts by weight: 96 parts of limestone aggregates, limestone powder
4 parts and 5.6 parts of above-mentioned hard grades of bitumen cementitious matter.
Wherein, mineral aggregate gradation correspond to screen size 16mm, 13.2mm, 9.5mm, 4.75mm, 2.36mm, 1.18mm,
0.6mm, 0.3mm, 0.15mm, 0.075mm, weight percent percent of pass is successively are as follows: 100%, 95%, 70%, 50%,
33%, 26.5%, 13.5%, 12.5%, 9.0%, 7.0%；Coarse aggregate, the physicochemical property of fine aggregate and mountain flour and embodiment 2
It is identical.
Above-mentioned asphalt the preparation method is as follows:
96 parts of limestone aggregates and 4 parts of limestone powder are previously heated to 190 DEG C respectively, by 5.6 parts of hard
Bituminous cements is previously heated to 180 DEG C；It keeps the temperature spare.
190 DEG C of limestone aggregates and 180 DEG C of hard grades of bitumen cementitious matter are poured into and is previously heated to 180 DEG C and mixes and stirs
In pot, pot is mixed and stirred in starting, is 75r/min in paddle rotational velocity, revolution speed stirs 60s under conditions of being 45r/min；
Again to the limestone powder that 190 DEG C are added in pot is mixed and stirred, continue in paddle rotational velocity to be 75r/min, revolution speed is
120s is mixed and stirred under conditions of 45r/min, obtains asphalt.
The performance of above-mentioned asphalt is detected using 1 method of embodiment, the results are shown in Table 4.
Embodiment 9
1, hard grades of bitumen cementitious matter and its preparation
The hard grades of bitumen cementitious matter of the present embodiment is grouped as by the group of following parts by weight: 29.95 parts of butane de-oiled asphalt,
No. 130 50.0 parts of road asphalt, 5.0 parts of furfural extract oil, 15.0 parts and 0.05 part of phosphoric acid of catalytic cracked oil pulp.
Above-mentioned hard grades of bitumen cementitious matter the preparation method is as follows:
By 29.95 parts of butane de-oiled asphalt, 50.0 parts No. 130 road asphalts, 5.0 parts of furfural extract oil and
15.0 parts of catalytic cracked oil pulp is added in reaction kettle, is uniformly mixed in the case where heating state, obtains mixture；Through detecting, the mixing
Expect 25 DEG C of needle penetration 136dmm, wax content 1.7%, asphalitine 0.6%.
0.05 part of phosphoric acid is added into above-mentioned mixture, is then to slowly warm up to 200 DEG C under agitation, to anti-
It answers kettle to be passed through the air that flow is 3.0L/min.kg, reacts 8h, obtain hard grades of bitumen cementitious matter.
It is detected using 1 method of embodiment, 25 DEG C of needle penetrations of above-mentioned hard grades of bitumen cementitious matter are 16dmm, 60 DEG C of viscositys
For 12330Pa.s, high-temperature behavior grade is PG100, and cryogenic property grade is PG-28, wax content 1.4%, asphalt content
It is 0.6%, 76 DEG C, the creep compliance of more change-stress creep tests of 3.2KPa is that 0.023,0.1KPa~3.2KPa creep is soft
Quantitative change rate is 2.031%.
2, asphalt and preparation method thereof
The asphalt of the present embodiment is grouped as by the group of following parts by weight: 96 parts of limestone aggregates, limestone powder
4 parts and 5.8 parts of above-mentioned hard grades of bitumen cementitious matter.
Wherein, mineral aggregate gradation correspond to screen size 16mm, 13.2mm, 9.5mm, 4.75mm, 2.36mm, 1.18mm,
0.6mm, 0.3mm, 0.15mm, 0.075mm, weight percent percent of pass is successively are as follows: 100%, 95%, 70%, 50%,
33%, 26.5%, 13.5%, 12.5%, 9.0%, 7.0%；Coarse aggregate, the physicochemical property of fine aggregate and mountain flour and embodiment 2
It is identical.
Above-mentioned asphalt the preparation method is as follows:
96 parts of limestone aggregates and 4 parts of limestone powder are previously heated to 190 DEG C respectively, by 5.8 parts of hard
Bituminous cements is previously heated to 180 DEG C；It keeps the temperature spare.
190 DEG C of limestone aggregates and 180 DEG C of hard grades of bitumen cementitious matter are poured into and is previously heated to 180 DEG C and mixes and stirs
In pot, pot is mixed and stirred in starting, is 75r/min in paddle rotational velocity, revolution speed stirs 60s under conditions of being 45r/min；
Again to the limestone powder that 190 DEG C are added in pot is mixed and stirred, continue in paddle rotational velocity to be 75r/min, revolution speed is
120s is mixed and stirred under conditions of 45r/min, obtains asphalt.
The performance of above-mentioned asphalt is detected using 1 method of embodiment, the results are shown in Table 4.
Reference examples 1
1, hard grades of bitumen cementitious matter and its preparation
The hard grades of bitumen cementitious matter of this reference examples is grouped as by the group of following parts by weight: Zhenghai propane de-oiled asphalt 29.9
Part, 50.0 parts of the road asphalt of South Korea SK 90,5.0 parts of Karamay Petrochemical Company's furfural extract oil, Kelamayi petrochemical industry is public
Take charge of 15.0 parts and 0.1 part of phosphoric acid of catalytic cracked oil pulp.
Above-mentioned hard grades of bitumen cementitious matter the preparation method is as follows:
By 29.9 parts of Esso propane de-oiled asphalt, 50.0 parts No. 90 road asphalts of South Korea SK, 5.0 parts of carat Ma
It is added in reaction kettle according to petro-chemical corporation's furfural extract oil and 15.0 parts of Karamay Petrochemical Company's catalytic cracked oil pulp, in heat
It is uniformly mixed under melt, obtains mixture；Through detecting, 25 DEG C of needle penetration 118dmm of the mixture, wax content 1.9%, pitch
Matter is 10.7%.
0.1 part of phosphoric acid is added into above-mentioned mixture, 200 DEG C are then to slowly warm up under agitation, to reaction
Kettle is passed through the air that flow is 3.0L/min.kg, reacts 8h, obtains hard grades of bitumen cementitious matter.
It is detected using 1 method of embodiment, 25 DEG C of needle penetrations of above-mentioned hard grades of bitumen cementitious matter are 21dmm, 60 DEG C of viscositys
For 8728Pa.s, high-temperature behavior grade is PG94, and cryogenic property grade is PG-10, wax content 1.8%, and asphalt content is
29.4%, 76 DEG C, the creep compliance of more change-stress creep tests of 3.2KPa is 0.171,0.1KPa~3.2KPa creep compliance
Change rate is 7.268%.
2, asphalt and preparation method thereof
The asphalt of this reference examples is grouped as by the group of following parts by weight: 96 parts of limestone aggregates, limestone powder
4 parts and 5.8 parts of above-mentioned hard grades of bitumen cementitious matter.
Wherein, mineral aggregate gradation correspond to screen size 16mm, 13.2mm, 9.5mm, 4.75mm, 2.36mm, 1.18mm,
0.6mm, 0.3mm, 0.15mm, 0.075mm, weight percent percent of pass is successively are as follows: 100%, 95%, 70%, 50%,
33%, 26.5%, 13.5%, 12.5%, 9.0%, 7.0%；Coarse aggregate, the physicochemical property of fine aggregate and mountain flour and embodiment 1
It is identical.
Above-mentioned asphalt the preparation method is as follows:
96 parts of limestone aggregates and 4 parts of limestone powder are previously heated to 190 DEG C respectively, by 5.8 parts of hard
Bituminous cements is previously heated to 180 DEG C；It keeps the temperature spare.
190 DEG C of limestone aggregates and 180 DEG C of hard grades of bitumen cementitious matter are poured into and is previously heated to 180 DEG C and mixes and stirs
In pot, pot is mixed and stirred in starting, is 75r/min in paddle rotational velocity, revolution speed stirs 60s under conditions of being 45r/min；
Again to the limestone powder that 190 DEG C are added in pot is mixed and stirred, continue in paddle rotational velocity to be 75r/min, revolution speed is
120s is mixed and stirred under conditions of 45r/min, obtains asphalt.
The performance of above-mentioned asphalt is detected using 1 method of embodiment, the results are shown in Table 4.
Reference examples 2
1, hard grades of bitumen cementitious matter and its preparation
The hard grades of bitumen cementitious matter of this reference examples is grouped as by the group of following parts by weight: Kelamayi petrochemical industry propane de-oiling
34.9 parts of pitch, 45.0 parts of the road asphalt of Esso 70,15.0 parts of Jingmen furfural extract oil, 5.0 parts of Jingmen catalytic cracked oil pulp
With 0.1 part of phosphoric acid.
Above-mentioned hard grades of bitumen cementitious matter the preparation method is as follows:
By 34.9 parts of Kelamayi petrochemical industry propane de-oiled asphalt, 45.0 parts of the road asphalt of Esso 70,15.0 parts of chaste tree
Door furfural extract oil and 5.0 parts of Karamay Petrochemical Company's catalytic cracked oil pulp are added in reaction kettle, mix in the case where heating state
Uniformly, mixture is obtained；Through detecting, 25 DEG C of needle penetration 88dmm of the mixture, wax content 3.0%, asphalitine 11.2%.
0.1 part of phosphoric acid is added into above-mentioned mixture, 200 DEG C are then to slowly warm up under agitation, to reaction
Kettle is passed through the air that flow is 3.0L/min.kg, reacts 8h, obtains hard grades of bitumen cementitious matter.
It is detected using 1 method of embodiment, 25 DEG C of needle penetrations of above-mentioned hard grades of bitumen cementitious matter are 18dmm, 60 DEG C of viscositys
For 12560Pa.s, high-temperature behavior grade is PG100, and cryogenic property grade is PG-10, wax content 2.5%, asphalt content
It is 20.3%, 76 DEG C, the creep compliance of more change-stress creep tests of 3.2KPa is that 0.054,0.1KPa~3.2KPa creep is soft
Quantitative change rate is 7.686%.
2, asphalt and preparation method thereof
The asphalt of this reference examples is grouped as by the group of following parts by weight: 96 parts of limestone aggregates, limestone powder
4 parts and 6.0 parts of above-mentioned hard grades of bitumen cementitious matter.
Wherein, mineral aggregate gradation correspond to screen size 16mm, 13.2mm, 9.5mm, 4.75mm, 2.36mm, 1.18mm,
0.6mm, 0.3mm, 0.15mm, 0.075mm, weight percent percent of pass is successively are as follows: 100%, 95%, 70%, 50%,
33%, 26.5%, 13.5%, 12.5%, 9.0%, 7.0%；Coarse aggregate, the physicochemical property of fine aggregate and mountain flour and embodiment 1
It is identical.
Above-mentioned asphalt the preparation method is as follows:
96 parts of limestone aggregates and 4 parts of limestone powder are previously heated to 190 DEG C respectively, by 6.0 parts of hard
Bituminous cements is previously heated to 180 DEG C；It keeps the temperature spare.
190 DEG C of limestone aggregates and 180 DEG C of hard grades of bitumen cementitious matter are poured into and is previously heated to 180 DEG C and mixes and stirs
In pot, pot is mixed and stirred in starting, is 75r/min in paddle rotational velocity, revolution speed stirs 60s under conditions of being 45r/min；
Again to the limestone powder that 190 DEG C are added in pot is mixed and stirred, continue in paddle rotational velocity to be 75r/min, revolution speed is
120s is mixed and stirred under conditions of 45r/min, obtains asphalt.
The performance of above-mentioned asphalt is detected using 1 method of embodiment, the results are shown in Table 4.
The performance test results of each asphalt of table 4
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；
Although present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its
It is still possible to modify the technical solutions described in the foregoing embodiments, or special to some or all of technologies
Sign is equivalently replaced；And these are modified or replaceed, various embodiments of the present invention that it does not separate the essence of the corresponding technical solution
The range of technical solution.
Claims (10)
1. a kind of hard grades of bitumen cementitious matter, which is characterized in that the component including following parts by weight:
First 25~60 parts of petroleum component, the second 15~50 parts of petroleum component, 15~35 parts of third petroleum component and catalyst
0.05~0.1 part；Wherein:
First petroleum component is de-oiled asphalt, and second petroleum component is subtract four line distillate, decompression residuum and road
At least one of pitch, the third petroleum component be at least one of furfural extract oil and catalytic cracked oil pulp, it is described
Catalyst is at least one of phosphoric acid and polyphosphoric acids；
Wax content≤2.0% of the hard grades of bitumen cementitious matter；Asphalt content≤15%.
2. hard grades of bitumen cementitious matter according to claim 1, which is characterized in that its 25 DEG C of needle penetrations are 10~25dmm；60
DEG C dynamic viscosity >=10000Pa.s；High-temperature behavior grade is PG94~PG100；Cryogenic property grade is PG-22~PG-28；76
Creep compliance≤0.5 of change-stress creep test more than DEG C, creep compliance change rate≤75%.
3. hard grades of bitumen cementitious matter according to claim 1, which is characterized in that first petroleum component, the second petroleum
25 DEG C of needle penetrations of mixture that component and third petroleum component are mixed to form in the case where heating state are 50~150dmm；Wax content≤
2.0%；Asphalt content≤5.0%.
4. the preparation method of any hard grades of bitumen cementitious matter of claims 1 to 3, which comprises the steps of:
1) by 25~60 parts of the first petroleum component, 15~50 parts of the second petroleum component and 15~35 parts of third petroleum component
It is uniformly mixed in the case where heating state, obtains mixture；
2) 0.05~0.1 part of catalyst is added into the mixture, under agitation slowly heating, is passed through air progress
Reaction, obtains the hard grades of bitumen cementitious matter.
5. the preparation method according to claim 4, which is characterized in that step 2) includes:
0.05~0.1 part of catalyst is added into the mixture and is to slowly warm up to 190~220 DEG C under agitation,
It is passed through air with the flow of 2.5~4.0L/minkg, 6~15h is reacted, obtains the hard grades of bitumen cementitious matter.
6. a kind of asphalt, which is characterized in that cementing including any hard grades of bitumen of mineral aggregate and claims 1 to 3
Material, in which: the mineral aggregate includes the miberal powder of 95~97 parts by weight to gather materials with 3~5 parts by weight, the asphalt Mineral Material
Quality proportioning with hard grades of bitumen cementitious matter is 100:(5.5~6.5).
7. asphalt according to claim 6, which is characterized in that the gradation of the mineral aggregate are as follows: 16mm sieve pore passes through
Rate 100%, 13.2mm sieve pore percent of pass 90~100%, 9.5mm sieve pore percent of pass 55~75%, 4.75mm sieve pore percent of pass 45
~55%, 2.36mm sieve pore percent of pass 28~36%, 1.18mm sieve pore percent of pass 18~28%, 0.6mm sieve pore percent of pass 12~
20%, 0.3mm sieve pore percent of pass 9~15%, 0.15mm sieve pore percent of pass 8.0~10%, 0.075mm sieve pore percent of pass 6.0~
7.5%.
8. the preparation method of asphalt described in claim 6 or 7, which comprises the steps of:
A) respectively to gather materials, miberal powder and hard grades of bitumen cementitious matter preheat；
B) preheated gathering materials is stirred with hard grades of bitumen cementitious matter, then is stirred with preheated miberal powder, institute is made
State asphalt.
9. preparation method according to claim 8, which is characterized in that step a) includes:
It will gather materials and be preheated to 185~195 DEG C respectively with miberal powder, hard grades of bitumen cementitious matter is preheated to 175~185 DEG C, is kept the temperature standby
With.
10. preparation method according to claim 8, which is characterized in that step b) includes:
To gather materials with hard grades of bitumen cementitious matter in paddle rotational velocity be 72~78r/min, revolution speed 42 by preheated
It is stirred 50~70s under conditions of~48r/min, then with preheated miberal powder in paddle rotational velocity is 72~78r/
Min, revolution speed are stirred 110~130s under conditions of being 42~48r/min, the asphalt are made.
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| JPH04216867A (en) * | 1990-02-21 | 1992-08-06 | Inst Fr Petrole | Bituminous substance composition comprising polyurethane foam and thermoplastic polymer residue accompanied with thermosetting resin and production thereof |
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| CN102816447A (en) * | 2012-09-03 | 2012-12-12 | 唐晓旭 | Production and application methods of ductility-enhancing modifier for road asphalt |
| CN104327520A (en) * | 2014-10-16 | 2015-02-04 | 深圳海川新材料科技有限公司 | Warm mix asphalt modifier and preparation method thereof, warm mixed asphalt and warm mix asphalt mixture |
| CN106554170A (en) * | 2015-09-25 | 2017-04-05 | 中国石油天然气股份有限公司 | A kind of modified pitch gap gradation asphalt |
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2017
- 2017-07-28 CN CN201710630471.4A patent/CN109306192B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04216867A (en) * | 1990-02-21 | 1992-08-06 | Inst Fr Petrole | Bituminous substance composition comprising polyurethane foam and thermoplastic polymer residue accompanied with thermosetting resin and production thereof |
| CN1570027A (en) * | 2003-07-25 | 2005-01-26 | 中国石油天然气股份有限公司 | Special matrix asphalt for modified asphalt and its preparation method |
| CN102816447A (en) * | 2012-09-03 | 2012-12-12 | 唐晓旭 | Production and application methods of ductility-enhancing modifier for road asphalt |
| CN104327520A (en) * | 2014-10-16 | 2015-02-04 | 深圳海川新材料科技有限公司 | Warm mix asphalt modifier and preparation method thereof, warm mixed asphalt and warm mix asphalt mixture |
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