CN108468262A - City slow-vehicle system road pavement material - Google Patents
City slow-vehicle system road pavement material Download PDFInfo
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- CN108468262A CN108468262A CN201810253570.XA CN201810253570A CN108468262A CN 108468262 A CN108468262 A CN 108468262A CN 201810253570 A CN201810253570 A CN 201810253570A CN 108468262 A CN108468262 A CN 108468262A
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- pavement material
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- cobble
- building stones
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/30—Coherent pavings made in situ made of road-metal and binders of road-metal and other binders, e.g. synthetic material, i.e. resin
-
- 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
- C04B26/02—Macromolecular compounds
- C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/16—Polyurethanes
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/085—Aggregate or filler materials therefor; Coloured reflecting or luminescent additives therefor
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Ceramic Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Road Paving Structures (AREA)
Abstract
The present invention relates to a kind of city slow-vehicle system road pavement materials, including gather materials and cementitious matter, and described to gather materials for self-luminous building stones and cobble, the cementitious matter is modified polyurethane；The weight percent of each substance is in the pavement material, cobble 45 55%, self-luminous building stones 35 45%, modified polyurethane 5 10%；The additive amount of the polyurethane is the 80 95% of modified polyurethane total weight, and the additive amount of the modifying agent is the 5 20% of modified polyurethane total weight；The additive amount of titanium dioxide, lignin, dibutyl tin laurate in the modifying agent is respectively 10 20%, 40 70%, the 20 40% of modifying agent total weight.The city slow-vehicle system road pavement material of the present invention, securely and reliably, of low cost, environmentally friendly, the pavement material has absorbs visible light, the self luminous function when environment is dim on daytime, while having the advantages such as good water stability, skid resistance, resistance to ag(e)ing, fatigue resistance, corrosion resistance.
Description
Technical field
The invention belongs to road and field of environment engineering technology, and in particular to a kind of city slow-vehicle system road pavement material
Material, the pavement material are suitable for city Lv Dao, pavement, people from residential quarter（Vehicle）The cities such as trade, parking lot, playground, square are slow
Row system road.
Background technology
Current urban development be unable to do without " fast " this direction, and urban population growth is fast, and urban life rhythm is fast, motor vehicle
Ownership increases soon, and urban construction and development is fast.These are excessively pursued the phenomenon that development and have caused a series of problems：City automobile row
The noise pollution of generation, air are sailed by polluting getting worse caused by motor vehicle exhaust emission；Traffic congestion becomes normality, traffic
Frequent Accidents；Employment and the separation of residential area exacerbate duty and live the phenomenon that detaching with pendulum model traffic.These develop excessive band
That comes bears and influences not only influence environmental quality, can also restrict the rate of economic development.
Under current urban development situation, slow-vehicle system shows huge advantage.First, slow-vehicle system is to traffic work
Have of less demanding, Trip Costs are low, environmentally friendly, have saved urban transportation energy consumption, have been conducive to sustainable development；Secondly, step
The area occupied of road per capita of the trip modes such as row, cycling is few, can effectively improve road rate, avoid city space
Waste；Finally, city slow-vehicle system is even more the important component of urban activity, be realize person to person, face-to-face body and mind exchange,
The nervous life stress of release, the key activities carrier for experiencing city wonderful life.
But there are still many deficiencies for current slow-vehicle system：In secure context, bicyclist and pedestrian pacify in urban transportation
Disadvantaged group are in complete, it is easily injured in traffic accident；In terms of highway layout, lacks and building, landscape and business are set
It applies and carries out unified planning and designing, have ignored the aesthetics of slow-vehicle system；In terms of humanity, the need of pedestrian are not fully considered
It asks, does not embody people-oriented principle, walking comfort level is relatively low.It is existing for the slow-vehicle system road pavement material of city
There is technology mainly to study the design for road structure of going slowly, and road pavement material of going slowly seldom is studied, for material of mating formation
Self-luminescent material in material is even more unmanned research.
Application publication number is that the patent of invention of CN103774522A discloses a kind of environment-protecting color suitable for slow-vehicle system
Permeable pavement structure includes from top to bottom the surface pervious bed being made of colored rubble and transparent cementitious matter successively, broken by pitch
Stabilized zone, Base with Sand Gravel Cushion and the soil matrix layer that stone or cement concrete are constituted.The technical solution mainly has studied the knot for road of going slowly
Structure, the pavement material for the road that do not relate to go slowly.
The patent of invention that application publication number is CN103803925A discloses a kind of mixing material of pervious surface and its applies
Work method mixes suitable phosphorus slag powder, lime, gypsum, blinding pouring molding pervious surface table using the characteristic of yellow phosphorus waste slag
Layer, base, structure sheaf；According to mixing ratio by weight, several raw material are crossed into weighing weight, charging sequence when stirring is as follows：First will
Phosphorus slag, lime, gypsum mixtures stir one minute, add phosphorus slag powder, and after stirring one minute, finally stone aggregate is added,
The stringent control ratio of mud, water divide 2-3 addition in stirring, are further continued for stirring two minutes.Although the technical solution relates to slowly
The pavement material on trade road, but the pavement material can not achieve daytime absorb visible light, when environment is dim from main light emission
Function.
Invention content
To solve problems of the prior art, the present invention provides a kind of city slow-vehicle system road pavement material, packet
It includes and gathers materials and cementitious matter, described to gather materials for self-luminous building stones and cobble, the cementitious matter is modified polyurethane.
Preferably, the weight percent of each substance is in the pavement material, cobble 45-55%, self-luminous building stones 35-
45%, modified polyurethane 5-10%.
In any of the above-described scheme preferably, the weight percent of each substance is in the pavement material, cobble 48-
51%, self-luminous building stones 38-41%, modified polyurethane 7-8%.
In any of the above-described scheme preferably, the shape of the cobble is approximate circle, grain size be divided into 0.3-0.5cm,
Tri- ranks of 0.5-1.0cm, 1.0-1.2cm.The shape of cobble is approximate circle, but is not round, can be with without specific rule
Three different diameters are chosen in a cobble（Approximate maximum gauge, approximate minimum diameter, approximate mid diameter）, then make even
Mean value, using average value as the grain size of this cobble.
In any of the above-described scheme preferably, the cobble point of grain size 0.3-0.5cm, 0.5-1.0cm, 1.0-1.2cm
Not Wei in pavement material cobble total weight 30-40%, 40-50%, 20-30%.
In any of the above-described scheme preferably, the cobble point of grain size 0.3-0.5cm, 0.5-1.0cm, 1.0-1.2cm
Not Wei in pavement material cobble total weight 32-38%, 42-48%, 22-28%.
In any of the above-described scheme preferably, the shape of the self-luminous building stones is Polyhedral Particles and circular granular two
Kind.Polyhedral Particles shape, without specific rule, particle has corner angle, three can be chosen in a self-luminous building stones
Different sides（The side of approximate longest edge, approximate most short side, approximate intermediate length）, then be averaged, using average value as this
The grain size of self-luminous building stones.Circular granular, shape is specific, and for circle, the diameter of circular granular is grain size.
In any of the above-described scheme preferably, the grain size of the self-luminous building stones of the Polyhedral Particles shape is divided into 0.5-
Tri- ranks of 0.8cm, 0.8-1cm, 1.0-1.2cm；The grain size of the self-luminous building stones of the circular granular shape is divided into 0.1-
Two ranks of 0.3cm, 0.3-0.5cm.
In any of the above-described scheme preferably, the self-luminous stone of grain size 0.5-0.8cm, 0.8-1cm, 1.0-1.2cm
Material is respectively 15-25%, 20-30%, 10-20% of self-luminous building stones total weight in pavement material.
In any of the above-described scheme preferably, the self-luminous stone of grain size 0.5-0.8cm, 0.8-1cm, 1.0-1.2cm
Material is respectively 18-22%, 22-28%, 12-18% of self-luminous building stones total weight in pavement material.
In any of the above-described scheme preferably, the self-luminous building stones of grain size 0.1-0.3cm, 0.3-0.5cm are respectively
15-25%, 10-20% of self-luminous building stones total weight in pavement material.
In any of the above-described scheme preferably, the self-luminous building stones of grain size 0.1-0.3cm, 0.3-0.5cm are respectively
18-22%, 12-18% of self-luminous building stones total weight in pavement material.
In any of the above-described scheme preferably, the modified polyurethane is mixed by polyurethane and modifying agent.
In any of the above-described scheme preferably, the additive amount of the polyurethane is the 80- of modified polyurethane total weight
95%.Polyurethane cementing agent has excellent rubber property, can adapt to the bonding of different heat expansion coefficient base material, it is in base material
Between formed have soft-hard transition zone, not only bonding force is strong, while being also equipped with excellent buffering, shock-absorbing function；Polyurethane gluing
The low temperature and ultralow temperature performance of agent are more than the adhesive of every other type；Polyurethane adhesive is also equipped with excellent anti-shearing strong
Degree and impact property are suitable for various structural bonding fields, and have excellent flexible nature；The polyurethane compared with pitch
It is harmless at normal temperatures and pressures, pollution-free.
In any of the above-described scheme preferably, the modifying agent is by titanium dioxide, lignin, dibutyl tin laurate
It mixes, the additive amount of the modifying agent is the 5-20% of modified polyurethane total weight.Lignin can be used as dispersant, make to gather
Urethane and gathers materials and wrap up more preferably；Titanium dioxide plays anti-aging effect, avoids polyurethane aging；Dibutyl tin laurate
Catalyst is can be used as, polyurethane is made to accelerate condensation, solidification.
In any of the above-described scheme preferably, titanium dioxide, lignin, di lauric dibutyl in the modifying agent
The additive amount of tin is respectively 10-20%, 40-70%, 20-40% of modifying agent total weight.
In any of the above-described scheme preferably, titanium dioxide, lignin, di lauric dibutyl in the modifying agent
The additive amount of tin is respectively 12-18%, 50-60%, 25-35% of modifying agent total weight.
In any of the above-described scheme preferably, the self-luminous building stones are the long afterglow artificial luminescent stone of blue, described
Cobble is the cobble of white.
In any of the above-described scheme preferably, the preparation method of city slow-vehicle system road pavement material, using cold mixing
Mode, include the following steps according to sequencing：
Step 1：By the self-luminous stone for the Polyhedral Particles shape that cobble that grain size is 1.0-1.2cm, grain size are 1.0-1.2cm
Material mixes, and is stirred；
Step 2：Lignin and titanium dioxide are added into the mixture of step 1, is stirred；
Step 3：By cobble that grain size is 0.5-1.0cm, grain size be 0.8-1cm Polyhedral Particles shape self-luminous building stones,
Grain size is that the self-luminous building stones of the circular granular shape of 0.3-0.5cm mix, and is stirred；
Step 4：Lignin and titanium dioxide are added into the mixture of step 3, is stirred；
Step 5：By the self-luminous stone for the Polyhedral Particles shape that cobble that grain size is 0.3-0.5cm, grain size are 0.5-0.8cm
Material, grain size mix for the self-luminous building stones of the circular granular shape of 0.1-0.3cm, are stirred；
Step 6：Lignin and titanium dioxide are added into the mixture of step 5, is stirred；
Step 7：Polyurethane and dibutyl tin laurate are sequentially added into the mixture of step 6, is stirred, you can system
Obtain city slow-vehicle system road pavement material.
In any of the above-described scheme preferably, in step 1, the mixing time of mixture is 10-15s.
In any of the above-described scheme preferably, Step 2: Step 4: in step 6, the additive amount of the lignin is equal
Equal, the additive amount of the titanium dioxide is equal.For convenience of the operation of preparation process, usually by lignin, titanium dioxide point
It is not divided into trisection, then is added separately to Step 2: in four, six.It, can be in step to further increase the pavement performance of material
Four, suitable in six to add into some lignin and titanium dioxide, because with the progress of preparation process, gather materials more and more,
To enable the polyurethane being subsequently added to play one's part to the full, so needing suitable add into some modifying agent.
In any of the above-described scheme preferably, in step 2, the mixing time of mixture is 10-15s.
In any of the above-described scheme preferably, in step 3, the mixing time of mixture is 10-15s.
In any of the above-described scheme preferably, in step 4, the mixing time of mixture is 10-15s.
In any of the above-described scheme preferably, in step 5, the mixing time of mixture is 10-15s.
In any of the above-described scheme preferably, in step 6, the mixing time of mixture is 10-15s.
In any of the above-described scheme preferably, in step 7, the mixing time of mixture is 45-60s.
In any of the above-described scheme preferably, in the whole preparation process of the pavement material, mixing time is no more than
120s。
In any of the above-described scheme preferably, the construction method of city slow-vehicle system road pavement material, using cold mixing
The construction technology of cold-application, includes the following steps according to sequencing：
Step（1）：Substrate surface to be onstructed is cleaned, is smooth；
Step（2）：One layer of cobble is equably laid in substrate surface；
Step（3）：One layer of city slow-vehicle system road pavement material is equably laid with above cobble；
Step（4）：It rolls above pavement material, then conserves, you can is open to use.
In any of the above-described scheme preferably, step（2）In, the thickness for being laid with cobble is no more than entire slow-vehicle system road
The 20% of road thickness.
In any of the above-described scheme preferably, step（2）In, the shape of the cobble is approximate circle, and grain size is
1.5-2.0cm。
Step（2）In, it is equably laid with one layer of relatively large cobble of grain size in substrate surface, this layer of cobble is without paving
If it is too closely knit, need a fixed gap according to actual conditions, the pavement material above boulder bed can penetrate into boulder bed bottom
And in the gap formed between cobble and cobble, cobble can be wrapped up by pavement material, fixed in this way, be conducive to
The stability on road surface helps to improve the bearing capacity on road surface, while can further increase the pavement performance of material.
In any of the above-described scheme preferably, step（4）In, roller is on pavement material with the speed of 5-8m/min
It rolls one time, curing time 2-6h.Rolling speed is relatively fast, and curing time is relatively short, after road surfacing quickly
It can opening use.
The city slow-vehicle system road pavement material of the present invention, it is safe and reliable, of low cost, environmentally friendly；This is mated formation
Material has absorbs visible light, the self luminous function when environment is dim on daytime, to improve the peace of night walking and driving
Quan Xing, while bringing aesthetics to the environment and building of surrounding；It is made that upgrading in the safety of road using cobble, makes city
The utility value of city's slow-vehicle system road pavement material is increased substantially；The characteristic of self-luminous building stones is made full use of, no
It can only realize the self luminous function in road surface, and save cost, reduce energy consumption；The pavement material has good water steady
The advantages such as qualitative, skid resistance, resistance to ag(e)ing, fatigue resistance, corrosion resistance.
The formula of the pavement material of the present invention have passed through system optimization, and obtained raw material composition and its content range is most
The formula of optimization, it may also be said to be the optimum formula in current city slow-vehicle system road pavement material.The formula of pavement material
It is core technology, it contributes to the raising of material pavement performance 95% or more strength.According to the formula of the present invention, then match
The preparation method and construction method for closing the prior art, can be such that the pavement performance of material increases substantially, tensile splitting strength is
1.7-1.9MPa, water stability 82-86%, construction depth 0.6-0.9mm, compression strength 2-3MPa, flexural strength are
The pavement performance of 1.2-1.7MPa, above-mentioned city slow-vehicle system road pavement material have reached the pavement performance of asphalt
Index.According to the formula of the present invention, then coordinate the construction of the preparation method and the prior art of pavement material of the present invention
Method can make the pavement performance of material further increase 5-10%.According to the present invention formula, then coordinate the present invention relates to
Pavement material preparation method and construction method, the pavement performance of material can be made further to improve 5% or so.
Currently invention addresses city Slow transport systems at this stage to be developed using assigning road self-luminosity as main target
City slow-vehicle system road pavement material, and best raw material composition and its match ratio is determined, make it that can be absorbed on daytime
Visible light, when environment is dim from main light emission, satisfaction is gone slowly road brightness demand；The road of the pavement material of the present invention is used simultaneously
Performance is determined, the results showed that the pavement material not only meets the requirement for road of going slowly, and goes back General Promotion walking
Safety, practicability with moving traffic system, comfort, to promoting transformation and the living environment of Traffic Development mode
Improvement plays a positive role.
For the facility for meeting people's go off daily, smooth, safe and efficient, visual city guide design strong, identity is high
Design system becomes essential important component during urban modernization is built.It increases with the development of economy and increasingly
Operating pressure will increase trend of the people in nocturnalism, therefore people propose the visuality that night is oriented to identifiability
Higher requirement, however night guidance system various not visible property but everywhere may be used with the low problem of identity in actual life
See.The present invention proposes rational solution to city night various visibility problems, and independent development self-luminous road surface leads to
The research that there is different characteristics, afterglow intensity and twilight sunset duration to different luminescent materials is crossed, and road is used in selection
When the luminescent material in face, the landscape function on road surface is not only considered, more to consider that it needs to meet certain compression strength, anti-folding
The mechanical properties such as intensity have the roads property such as good water stability, skid resistance, resistance to ag(e)ing, fatigue resistance, corrosion resistance
Can, therefore the road surface that shines will reach as far as possible that time to recharge is short, the requirement of continuous illumination time length, while to ensure traffic peace
Entirely, road surface brightness, road illumination, dazzle limitation etc. will also reach related request, the final design pavement material of the present invention and
Preparation method and construction method.For the preparation method of the present invention by the way of cold mixing, construction technology uses the side of cold mixing cold-application
Formula, in the escalation process on city slow-vehicle system road surface, the cold mixing cold-application of road have construction not climate environmental restrictions, can grow
The particular advantages such as time storage, material comprehensive utilization ratio height, environmental protection and energy saving, mobility strong.It can be seen that suitable cold mixing cold-application
Construction technology can reduce environmental pollution, is energy saving, improving the working condition of worker, while have good social benefit and warp
Ji benefit.
It illustrates：All multi-parameter involved in technical scheme of the present invention needs to consider between parameters
Synergistic effect, could obtain beneficial effects of the present invention and marked improvement.And in technical solution parameters value range
All it is just to be obtained by a large number of experiments, for the intercombination of each parameter and parameters, inventor has recorded
Great number tested data, as space is limited, underground specific test data herein.
Specific implementation mode
In order to be further understood that the invention content of the present invention, the present invention is elaborated below in conjunction with specific embodiment.
Embodiment one：
One embodiment of slow-vehicle system road pavement material in city according to the invention, including gather materials and cementitious matter, it is described to gather materials
For self-luminous building stones and cobble, the cementitious matter is modified polyurethane.The weight percent of each substance is in the pavement material,
Cobble 45%, self-luminous building stones 45%, modified polyurethane 10%.
The shape of the cobble is approximate circle, and grain size is divided into tri- ranks of 0.3cm, 0.55cm, 1.05cm.The shape of cobble
Shape is approximate circle, but is not round, and without specific rule, three different diameters can be chosen in a cobble（It is approximate
Maximum gauge, approximate minimum diameter, approximate mid diameter）, then be averaged, using average value as the grain size of this cobble.Grain
Diameter is that the cobble of 0.3cm, 0.55cm, 1.05cm are respectively 30%, 50%, 20% of cobble total weight in pavement material.
The shape of the self-luminous building stones is two kinds of Polyhedral Particles and circular granular.Polyhedral Particles shape, does not have
The rule of body, particle have corner angle, three different sides can be chosen in a self-luminous building stones（Approximate longest edge, approximation
The side of most short side, approximate intermediate length）, then be averaged, using average value as the grain size of this self-luminous building stones.Round
Grain, shape is specific, and for circle, the diameter of circular granular is grain size.The grain of the self-luminous building stones of the Polyhedral Particles shape
Diameter is divided into tri- ranks of 0.5cm, 0.85cm, 1.05cm；The grain size of the self-luminous building stones of the circular granular shape is divided into
Two ranks of 0.1cm, 0.35cm.Grain size be 0.5cm, 0.85cm, 1.05cm self-luminous building stones be respectively in pavement material from
15%, 30%, the 10% of luminous building stones total weight.Grain size be 0.1cm, 0.35cm self-luminous building stones be respectively in pavement material from
25%, the 20% of luminous building stones total weight.
The modified polyurethane is mixed by polyurethane and modifying agent；The additive amount of the polyurethane is modified polyurethane
The 80% of total weight, the additive amount of the modifying agent are the 20% of modified polyurethane total weight.The modifying agent is by titanium dioxide, wood
Quality, dibutyl tin laurate mix；Titanium dioxide, lignin, dibutyl tin laurate in the modifying agent
Additive amount be respectively 10%, 70%, the 20% of modifying agent total weight.The self-luminous building stones are the long afterglow artificial luminescent of blue
Stone, the cobble are the cobble of white.
The preparation method of the city slow-vehicle system road pavement material of the present embodiment, by the way of cold mixing, according to successively
Sequence includes the following steps：
Step 1：The self-luminous building stones for the Polyhedral Particles shape that cobble that grain size is 1.05cm, grain size are 1.05cm are mixed
Together, it is stirred；
Step 2：Lignin and titanium dioxide are added into the mixture of step 1, is stirred；
Step 3：By self-luminous building stones, the grain size of the Polyhedral Particles shape that cobble that grain size is 0.55cm, grain size are 0.85cm
Self-luminous building stones for the circular granular shape of 0.35cm mix, and are stirred；
Step 4：Lignin and titanium dioxide are added into the mixture of step 3, is stirred；
Step 5：Self-luminous building stones, grain size by the Polyhedral Particles shape that cobble that grain size is 0.3cm, grain size are 0.5cm are
The self-luminous building stones of the circular granular shape of 0.1cm mix, and are stirred；
Step 6：Lignin and titanium dioxide are added into the mixture of step 5, is stirred；
Step 7：Polyurethane and dibutyl tin laurate are sequentially added into the mixture of step 6, is stirred, you can system
Obtain city slow-vehicle system road pavement material.
Step 2: Step 4: in step 6, the additive amount of the lignin is equal, the additive amount of the titanium dioxide
It is equal.For convenience of the operation of preparation process, lignin, titanium dioxide are usually respectively classified into trisection, then be added separately to
Step 2: in four, six.It, can be Step 4: suitable in six add into some wood to further increase the pavement performance of material
Quality and titanium dioxide gather materials more and more because with the progress of preparation process, to keep the polyurethane being subsequently added abundant
It plays a role, so needing suitable add into some modifying agent.
In step 1 to step 6, the mixing time of mixture is 10s；In step 7, the mixing time of mixture is
45s.In the whole preparation process of the pavement material, mixing time amounts to 105s.
The construction method of the city slow-vehicle system road pavement material of the present embodiment, using the construction technology of cold mixing cold-application,
It includes the following steps according to sequencing：
Step（1）：Substrate surface to be onstructed is cleaned, is smooth；
Step（2）：One layer of cobble is equably laid in substrate surface；
Step（3）：One layer of city slow-vehicle system road pavement material is equably laid with above cobble；
Step（4）：It rolls above pavement material, then conserves, you can is open to use.
Step（2）In, the thickness for being laid with cobble is the 20% of entire slow-vehicle system road thickness, the cobble shape being laid with
It is approximate circle, grain size 1.5-2.0cm.Step（2）In, equably it is laid with one layer of relatively large ovum of grain size in substrate surface
Stone, this layer of cobble is too closely knit without what is be laid with, needs a fixed gap, the pavement material energy above boulder bed according to actual conditions
Enough penetrate into the gap formed between boulder bed bottom and cobble and cobble, in this way can by pavement material by cobble into
Row package is fixed, and is conducive to the stability on road surface, is helped to improve the bearing capacity on road surface, while can further increase material
The pavement performance of material.
Step（4）In, roller is rolled one time on pavement material with the speed of 5m/min, curing time 2h.
Rolling speed is relatively fast, and curing time is relatively short, and will soon open to the outside world use after road surfacing.
The city slow-vehicle system road pavement material of the present embodiment, it is safe and reliable, of low cost, environmentally friendly；The paving
Package material has absorbs visible light, the self luminous function when environment is dim on daytime, to improve night walking and driving
Safety, while bringing aesthetics to the environment and building of surrounding；It is made that upgrading in the safety of road using cobble, makes
The utility value of city slow-vehicle system road pavement material is increased substantially；The characteristic of self-luminous building stones is made full use of,
It can not only realize the self luminous function in road surface, and save cost, reduce energy consumption；The pavement material has good water
The advantages such as stability, skid resistance, resistance to ag(e)ing, fatigue resistance, corrosion resistance.
In the present embodiment, the formula of pavement material is core technology, it to the raising of material pavement performance contribute to 95% with
On strength.According to the formula of the present embodiment, then coordinate the preparation method and construction method of the prior art, material can be made
Pavement performance increases substantially, tensile splitting strength 1.7-1.9MPa, water stability 82-86%, construction depth 0.6-
0.9mm, compression strength 2-3MPa, flexural strength 1.2-1.7MPa, the city slow-vehicle system road pavement material of the present embodiment
The pavement performance of material has reached the pavement performance index of asphalt.According to the formula of the present embodiment, then coordinate this reality
The preparation method for the pavement material that example is related to and the construction method of the prior art are applied, the pavement performance of material can be made further to carry
High 5-10%.According to the formula of the present embodiment, then coordinate the preparation method and construction party for the pavement material that the present embodiment is related to
Method can make the pavement performance of material further improve 5% or so.
The present embodiment is conceived to city Slow transport system at this stage, to assign road self-luminosity as main target, opens
City slow-vehicle system road pavement material has been sent out, and best raw material composition and its match ratio is determined, has made it that can be inhaled on daytime
Receive visible light, when environment is dim from main light emission, satisfaction is gone slowly road brightness demand；Simultaneously to the road of the pavement material of the present invention
It is determined with performance, the results showed that the pavement material not only meets the requirement for road of going slowly, and goes back General Promotion step
The safety of row and moving traffic system, practicability, comfort, to promoting transformation and the living environment of Traffic Development mode
Improvement play a positive role.
For the preparation method of the present embodiment by the way of cold mixing, construction technology is slow in city by the way of cold mixing cold-application
In the escalation process on row system road surface, the cold mixing cold-application of road have construction not climate environmental restrictions, can store for a long time, material
Expect the particular advantages such as comprehensive utilization ratio height, environmental protection and energy saving, mobility strong.It can be seen that suitable cold mixing cold-application construction technology can
It reduces environmental pollution, is energy saving, improving the working condition of worker, while there is good Social benefit and economic benefit.
Embodiment two：
Another embodiment of slow-vehicle system road pavement material in city according to the invention, raw material composition, principle, beneficial effect
Fruit etc. is identical as embodiment one, unlike：The weight percent of each substance is in the pavement material, cobble 55%, spontaneous
Light building stones 40%, modified polyurethane 5%.The grain size of the cobble is divided into tri- ranks of 0.5cm, 1.0cm, 1.2cm, and is respectively to spread
32%, 48%, the 20% of cobble total weight in package material.The grain size of the self-luminous building stones of the Polyhedral Particles shape is divided into
Tri- ranks of 0.8cm, 1.0cm, 1.2cm, and respectively in pavement material self-luminous building stones total weight 25%, 20%, 20%；Institute
The grain size for stating the self-luminous building stones of circular granular shape is divided into two ranks of 0.3cm, 0.48cm, and respectively in pavement material certainly
15%, the 20% of luminous building stones total weight.The additive amount of the polyurethane is the 95% of modified polyurethane total weight, the modifying agent
Additive amount be modified polyurethane total weight 5%；Titanium dioxide, lignin, dibutyl tin laurate in the modifying agent
Additive amount be respectively 20%, 60%, the 20% of modifying agent total weight.
The preparation method of the city slow-vehicle system road pavement material of the present embodiment, processing step, principle, advantageous effect
Deng identical as embodiment one, unlike：In step 1, the grain size of cobble is 1.2cm, the self-luminous of Polyhedral Particles shape
The grain size of building stones is 1.2cm；In step 3, the grain size of cobble is 1.0cm, the grain size of the self-luminous building stones of Polyhedral Particles shape
For 1.0cm；The grain size of the self-luminous building stones of circular granular shape is 0.48cm；In step 5, the grain size of cobble is 0.5cm, more
The grain size of the self-luminous building stones of face body grain shape is 0.8cm；The grain size of the self-luminous building stones of circular granular shape is 0.3cm.
In step 1 to step 6, the mixing time of mixture is 10s；In step 7, the mixing time of mixture is 60s.It is described
In the whole preparation process of pavement material, mixing time amounts to 120s.
The construction method of the city slow-vehicle system road pavement material of the present embodiment, processing step, principle, advantageous effect
Deng identical as embodiment one, unlike：Step（2）In, the thickness for being laid with cobble is entire slow-vehicle system road thickness
15%；Step（4）In, roller is rolled one time on pavement material with the speed of 8m/min, curing time 6h.
Embodiment three：
Another embodiment of slow-vehicle system road pavement material in city according to the invention, raw material composition, principle, beneficial effect
Fruit etc. is identical as embodiment one, unlike：The weight percent of each substance is in the pavement material, cobble 51%, spontaneous
Light building stones 41%, modified polyurethane 8%.The grain size of the cobble is divided into tri- ranks of 0.4cm, 0.8cm, 1.1cm, and is respectively to spread
40%, 40%, the 20% of cobble total weight in package material.The grain size of the self-luminous building stones of the Polyhedral Particles shape is divided into
Tri- ranks of 0.6cm, 0.9cm, 1.1cm, and respectively in pavement material self-luminous building stones total weight 20%, 25%, 15%；Institute
The grain size for stating the self-luminous building stones of circular granular shape is divided into two ranks of 0.2cm, 0.4cm, and respectively in pavement material certainly
20%, the 20% of luminous building stones total weight.The additive amount of the polyurethane is the 90% of modified polyurethane total weight, the modifying agent
Additive amount be modified polyurethane total weight 10%；Titanium dioxide, lignin, di lauric dibutyl in the modifying agent
The additive amount of tin is respectively 15%, 55%, the 30% of modifying agent total weight.
The preparation method of the city slow-vehicle system road pavement material of the present embodiment, processing step, principle, advantageous effect
Deng identical as embodiment one, unlike：In step 1, the grain size of cobble is 1.1cm, the self-luminous of Polyhedral Particles shape
The grain size of building stones is 1.1cm；In step 3, the grain size of cobble is 0.8cm, the grain size of the self-luminous building stones of Polyhedral Particles shape
For 0.9cm；The grain size of the self-luminous building stones of circular granular shape is 0.4cm；In step 5, the grain size of cobble is 0.4cm, multi-panel
The grain size of the self-luminous building stones of body grain shape is 0.6cm；The grain size of the self-luminous building stones of circular granular shape is 0.2cm.Step
Rapid one in step 6, and the mixing time of mixture is 10s；In step 7, the mixing time of mixture is 50s.The paving
In the whole preparation process of package material, mixing time amounts to 110s.
The construction method of the city slow-vehicle system road pavement material of the present embodiment, processing step, principle, advantageous effect
Deng identical as embodiment one, unlike：Step（2）In, the thickness for being laid with cobble is entire slow-vehicle system road thickness
10%；Step（4）In, roller is rolled one time on pavement material with the speed of 6m/min, curing time 4h.
Example IV：
Another embodiment of slow-vehicle system road pavement material in city according to the invention, raw material composition, principle, beneficial effect
Fruit etc. is identical as embodiment one, unlike：The weight percent of each substance is in the pavement material, cobble 48%, spontaneous
Light building stones 45%, modified polyurethane 7%.The grain size of the cobble is divided into tri- ranks of 0.35cm, 0.65cm, 1.08cm, and respectively
It is 30%, 40%, 30% of cobble total weight in pavement material.The grain size of the self-luminous building stones of the Polyhedral Particles shape is divided into
Tri- ranks of 0.55cm, 0.87cm, 1.08cm, and respectively in pavement material self-luminous building stones total weight 25%, 25%, 18%；
The grain size of the self-luminous building stones of the circular granular shape is divided into two ranks of 0.15cm, 0.38cm, and respectively pavement material
22%, the 10% of middle self-luminous building stones total weight.The additive amount of the polyurethane is the 85% of modified polyurethane total weight, described to change
Property agent additive amount be modified polyurethane total weight 15%；Titanium dioxide, lignin, tin dilaurate two in the modifying agent
The additive amount of butyl tin is respectively 10%, 50%, the 40% of modifying agent total weight.
The preparation method of the city slow-vehicle system road pavement material of the present embodiment, processing step, principle, advantageous effect
Deng identical as embodiment one, unlike：In step 1, the grain size of cobble is 1.08cm, Polyhedral Particles shape it is spontaneous
The grain size of light building stones is 1.08cm；In step 3, the grain size of cobble is 0.65cm, the self-luminous building stones of Polyhedral Particles shape
Grain size is 0.87cm；The grain size of the self-luminous building stones of circular granular shape is 0.38cm；In step 5, the grain size of cobble is
The grain size of 0.35cm, the self-luminous building stones of Polyhedral Particles shape are 0.55cm；The grain of the self-luminous building stones of circular granular shape
Diameter is 0.15cm.In step 1 to step 6, the mixing time of mixture is 10s；In step 7, the mixing time of mixture
For 55s.In the whole preparation process of the pavement material, mixing time amounts to 115s.
The construction method of the city slow-vehicle system road pavement material of the present embodiment, processing step, principle, advantageous effect
Deng identical as embodiment one, unlike：Step（2）In, the thickness for being laid with cobble is entire slow-vehicle system road thickness
20%；Step（4）In, roller is rolled one time on pavement material with the speed of 7m/min, curing time 5h.
Embodiment five：
Another embodiment of slow-vehicle system road pavement material in city according to the invention, raw material composition, principle, beneficial effect
Fruit etc. is identical as embodiment one, unlike：The weight percent of each substance is in the pavement material, cobble 55%, spontaneous
Light building stones 35%, modified polyurethane 10%.The grain size of the cobble is divided into tri- ranks of 0.45cm, 0.9cm, 1.15cm, and respectively
It is 38%, 40%, 22% of cobble total weight in pavement material.The grain size of the self-luminous building stones of the Polyhedral Particles shape is divided into
Tri- ranks of 0.7cm, 0.95cm, 1.15cm, and respectively in pavement material self-luminous building stones total weight 18%, 28%, 18%；
The grain size of the self-luminous building stones of the circular granular shape is divided into two ranks of 0.25cm, 0.45cm, and respectively pavement material
18%, the 18% of middle self-luminous building stones total weight.The additive amount of the polyurethane is the 93% of modified polyurethane total weight, described to change
Property agent additive amount be modified polyurethane total weight 7%；Titanium dioxide, lignin, two fourth of tin dilaurate in the modifying agent
The additive amount of base tin is respectively 12%, 60%, the 28% of modifying agent total weight.
The preparation method of the city slow-vehicle system road pavement material of the present embodiment, processing step, principle, advantageous effect
Deng identical as embodiment one, unlike：In step 1, the grain size of cobble is 1.15cm, Polyhedral Particles shape it is spontaneous
The grain size of light building stones is 1.15cm；In step 3, the grain size of cobble is 0.9cm, the self-luminous building stones of Polyhedral Particles shape
Grain size is 0.95cm；The grain size of the self-luminous building stones of circular granular shape is 0.45cm；In step 5, the grain size of cobble is
The grain size of 0.45cm, the self-luminous building stones of Polyhedral Particles shape are 0.7cm；The grain size of the self-luminous building stones of circular granular shape
For 0.25cm.In step 1 to step 6, the mixing time of mixture is 10s；In step 7, the mixing time of mixture is
60s.In the whole preparation process of the pavement material, mixing time amounts to 120s.
The construction method of the city slow-vehicle system road pavement material of the present embodiment, processing step, principle, advantageous effect
Deng identical as embodiment one, unlike：Step（2）In, the thickness for being laid with cobble is entire slow-vehicle system road thickness
10%；Step（4）In, roller is rolled one time on pavement material with the speed of 8m/min, curing time 4h.
Embodiment six：
Another embodiment of slow-vehicle system road pavement material in city according to the invention, raw material composition, principle, beneficial effect
Fruit etc. is identical as embodiment one, unlike：The weight percent of each substance is in the pavement material, cobble 50%, spontaneous
Light building stones 44%, modified polyurethane 6%.The grain size of the cobble is divided into tri- ranks of 0.4cm, 0.9cm, 1.08cm, and is respectively
30%, 42%, the 28% of cobble total weight in pavement material.The grain size of the self-luminous building stones of the Polyhedral Particles shape is divided into
Tri- ranks of 0.65cm, 0.85cm, 1.12cm, and respectively in pavement material self-luminous building stones total weight 22%, 22%, 20%；
The grain size of the self-luminous building stones of the circular granular shape is divided into two ranks of 0.22cm, 0.42cm, and respectively pavement material
20%, the 16% of middle self-luminous building stones total weight.The additive amount of the polyurethane is the 88% of modified polyurethane total weight, described to change
Property agent additive amount be modified polyurethane total weight 12%；Titanium dioxide, lignin, tin dilaurate two in the modifying agent
The additive amount of butyl tin is respectively 18%, 60%, the 22% of modifying agent total weight.
The preparation method of the city slow-vehicle system road pavement material of the present embodiment, processing step, principle, advantageous effect
Deng identical as embodiment one, unlike：In step 1, the grain size of cobble is 1.08cm, Polyhedral Particles shape it is spontaneous
The grain size of light building stones is 1.12cm；In step 3, the grain size of cobble is 0.9cm, the self-luminous building stones of Polyhedral Particles shape
Grain size is 0.85cm；The grain size of the self-luminous building stones of circular granular shape is 0.42cm；In step 5, the grain size of cobble is
The grain size of 0.4cm, the self-luminous building stones of Polyhedral Particles shape are 0.65cm；The grain size of the self-luminous building stones of circular granular shape
For 0.22cm.In step 1 to step 6, the mixing time of mixture is 10s；In step 7, the mixing time of mixture is
60s.In the whole preparation process of the pavement material, mixing time amounts to 120s.
The construction method of the city slow-vehicle system road pavement material of the present embodiment, processing step, principle, advantageous effect
Deng identical as embodiment one, unlike：Step（2）In, the thickness for being laid with cobble is entire slow-vehicle system road thickness
15%；Step（4）In, roller is rolled one time on pavement material with the speed of 8m/min, curing time 2h.
Embodiment seven：
Another embodiment of slow-vehicle system road pavement material in city according to the invention, raw material composition, principle, beneficial effect
Fruit etc. is identical as embodiment one, unlike：The weight percent of each substance is in the pavement material, cobble 53%, spontaneous
Light building stones 38%, modified polyurethane 9%.The grain size of the cobble is divided into tri- ranks of 0.3cm, 0.9cm, 1.1cm, and is respectively to spread
30%, 45%, the 25% of cobble total weight in package material.The grain size of the self-luminous building stones of the Polyhedral Particles shape is divided into
Tri- ranks of 0.52cm, 0.92cm, 1.05cm, and respectively in pavement material self-luminous building stones total weight 20%, 30%, 12%；
The grain size of the self-luminous building stones of the circular granular shape is divided into two ranks of 0.18cm, 0.35cm, and respectively pavement material
25%, the 13% of middle self-luminous building stones total weight.The additive amount of the polyurethane is the 82% of modified polyurethane total weight, described to change
Property agent additive amount be modified polyurethane total weight 18%；Titanium dioxide, lignin, tin dilaurate two in the modifying agent
The additive amount of butyl tin is respectively 20%, 40%, the 40% of modifying agent total weight.
The preparation method of the city slow-vehicle system road pavement material of the present embodiment, processing step, principle, advantageous effect
Deng identical as embodiment one, unlike：In step 1, the grain size of cobble is 1.1cm, the self-luminous of Polyhedral Particles shape
The grain size of building stones is 1.05cm；In step 3, the grain size of cobble is 0.9cm, the grain of the self-luminous building stones of Polyhedral Particles shape
Diameter is 0.92cm；The grain size of the self-luminous building stones of circular granular shape is 0.35cm；In step 5, the grain size of cobble is 0.3cm,
The grain size of the self-luminous building stones of Polyhedral Particles shape is 0.52cm；The grain size of the self-luminous building stones of circular granular shape is
0.18cm.In step 1 to step 6, the mixing time of mixture is 10s；In step 7, the mixing time of mixture is
58s.In the whole preparation process of the pavement material, mixing time amounts to 118s.
The construction method of the city slow-vehicle system road pavement material of the present embodiment, processing step, principle, advantageous effect
Deng identical as embodiment one, unlike：Step（2）In, the thickness for being laid with cobble is entire slow-vehicle system road thickness
5%；Step（4）In, roller is rolled one time on pavement material with the speed of 6m/min, curing time 3h.
Embodiment eight：
Another embodiment of slow-vehicle system road pavement material in city according to the invention, raw material composition, principle, beneficial effect
Fruit etc. is identical as embodiment one, unlike：The weight percent of each substance is in the pavement material, cobble 52%, spontaneous
Light building stones 41%, modified polyurethane 7%.The grain size of the cobble is divided into tri- ranks of 0.35cm, 1.0cm, 1.05cm, and is respectively
35%, 40%, the 25% of cobble total weight in pavement material.The grain size of the self-luminous building stones of the Polyhedral Particles shape is divided into
Tri- ranks of 0.6cm, 0.9cm, 1.2cm, and respectively in pavement material self-luminous building stones total weight 20%, 30%, 10%；Institute
The grain size for stating the self-luminous building stones of circular granular shape is divided into two ranks of 0.1cm, 0.35cm, and respectively in pavement material certainly
20%, the 20% of luminous building stones total weight.The additive amount of the polyurethane is the 92% of modified polyurethane total weight, the modifying agent
Additive amount be modified polyurethane total weight 8%；Titanium dioxide, lignin, dibutyl tin laurate in the modifying agent
Additive amount be respectively 15%, 50%, the 35% of modifying agent total weight.
The preparation method of the city slow-vehicle system road pavement material of the present embodiment, processing step, principle, advantageous effect
Deng identical as embodiment one, unlike：In step 1, the grain size of cobble is 1.05cm, Polyhedral Particles shape it is spontaneous
The grain size of light building stones is 1.2cm；In step 3, the grain size of cobble is 1.0cm, the grain of the self-luminous building stones of Polyhedral Particles shape
Diameter is 0.9cm；The grain size of the self-luminous building stones of circular granular shape is 0.35cm；In step 5, the grain size of cobble is 0.35cm,
The grain size of the self-luminous building stones of Polyhedral Particles shape is 0.6cm；The grain size of the self-luminous building stones of circular granular shape is
0.1cm.In step 1 to step 6, the mixing time of mixture is 10s；In step 7, the mixing time of mixture is
60s.In the whole preparation process of the pavement material, mixing time amounts to 120s.
The construction method of the city slow-vehicle system road pavement material of the present embodiment, processing step, principle, advantageous effect
Deng identical as embodiment one, unlike：Step（2）In, the thickness for being laid with cobble is entire slow-vehicle system road thickness
10%；Step（4）In, roller is rolled one time on pavement material with the speed of 8m/min, curing time 6h.
It will be apparent to those skilled in the art that the city slow-vehicle system road pavement material of the present invention includes aforementioned present invention
The arbitrary combination of the invention content and specific embodiment part of specification, as space is limited and to make specification concisely without inciting somebody to action
Each scheme that these combinations are constituted describes one by one.All within the spirits and principles of the present invention, any modification for being made equally is replaced
It changes, improve, should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of city slow-vehicle system road pavement material, including gather materials and cementitious matter, it is characterised in that：It is described that gather materials be spontaneous
Light building stones and cobble, the cementitious matter are modified polyurethane.
2. slow-vehicle system road pavement material in city as described in claim 1, it is characterised in that：Each object in the pavement material
The weight percent of matter is cobble 45-55%, self-luminous building stones 35-45%, modified polyurethane 5-10%.
3. slow-vehicle system road pavement material in city as claimed in claim 2, it is characterised in that：Each object in the pavement material
The weight percent of matter is cobble 48-51%, self-luminous building stones 38-41%, modified polyurethane 7-8%.
4. slow-vehicle system road pavement material in city as claimed in any one of claims 1-3, it is characterised in that：The cobble
Shape it is approximate circle, grain size is divided into tri- ranks of 0.3-0.5cm, 0.5-1.0cm, 1.0-1.2cm.
5. slow-vehicle system road pavement material in city as claimed in claim 4, it is characterised in that：Grain size be 0.3-0.5cm,
The cobble of 0.5-1.0cm, 1.0-1.2cm are respectively 30-40%, 40-50%, 20-30% of cobble total weight in pavement material.
6. slow-vehicle system road pavement material in city as claimed in claim 5, it is characterised in that：Grain size be 0.3-0.5cm,
The cobble of 0.5-1.0cm, 1.0-1.2cm are respectively 32-38%, 42-48%, 22-28% of cobble total weight in pavement material.
7. slow-vehicle system road pavement material in city as claimed in any one of claims 1-3, it is characterised in that：It is described spontaneous
The shape of light building stones is two kinds of Polyhedral Particles and circular granular.
8. slow-vehicle system road pavement material in city as claimed in claim 7, it is characterised in that：The Polyhedral Particles shape
The grain sizes of self-luminous building stones be divided into tri- ranks of 0.5-0.8cm, 0.8-1cm, 1.0-1.2cm；The circular granular shape
The grain size of self-luminous building stones is divided into two ranks of 0.1-0.3cm, 0.3-0.5cm.
9. slow-vehicle system road pavement material in city as claimed in claim 7, it is characterised in that：Grain size be 0.5-0.8cm,
The self-luminous building stones of 0.8-1cm, 1.0-1.2cm be respectively 15-25%, 20-30% of self-luminous building stones total weight in pavement material,
10-20%。
10. slow-vehicle system road pavement material in city as claimed in claim 9, it is characterised in that：Grain size be 0.5-0.8cm,
The self-luminous building stones of 0.8-1cm, 1.0-1.2cm be respectively 18-22%, 22-28% of self-luminous building stones total weight in pavement material,
12-18%。
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112921737A (en) * | 2021-01-28 | 2021-06-08 | 交通运输部公路科学研究所 | Control method for polyurethane porous paving compaction and traffic time node |
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