CN107313321A - A kind of previous bituminous pavement structure - Google Patents
A kind of previous bituminous pavement structure Download PDFInfo
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- CN107313321A CN107313321A CN201710678628.0A CN201710678628A CN107313321A CN 107313321 A CN107313321 A CN 107313321A CN 201710678628 A CN201710678628 A CN 201710678628A CN 107313321 A CN107313321 A CN 107313321A
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- CN
- China
- Prior art keywords
- concrete layer
- pipeline
- parts
- pavement structure
- bituminous pavement
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Classifications
-
- 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
- E01C7/32—Coherent pavings made in situ made of road-metal and binders of courses of different kind made in situ
-
- 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
- C04B26/26—Bituminous materials, e.g. tar, pitch
-
- 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
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/224—Surface drainage of streets
- E01C11/225—Paving specially adapted for through-the-surfacing drainage, e.g. perforated, porous; Preformed paving elements comprising, or adapted to form, passageways for carrying off drainage
-
- 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
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/224—Surface drainage of streets
- E01C11/225—Paving specially adapted for through-the-surfacing drainage, e.g. perforated, porous; Preformed paving elements comprising, or adapted to form, passageways for carrying off drainage
- E01C11/226—Coherent pavings
-
- 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
- E01C7/18—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders
-
- 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
- E01C7/18—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders
- E01C7/26—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders mixed with other materials, e.g. cement, rubber, leather, fibre
-
- 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
- E01C7/18—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders
- E01C7/26—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders mixed with other materials, e.g. cement, rubber, leather, fibre
- E01C7/265—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders mixed with other materials, e.g. cement, rubber, leather, fibre with rubber or synthetic resin, e.g. with rubber aggregate, with synthetic resin binder
-
- 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
- E01C7/32—Coherent pavings made in situ made of road-metal and binders of courses of different kind made in situ
- E01C7/325—Joining different layers, e.g. by adhesive layers; Intermediate layers, e.g. for the escape of water vapour, for spreading stresses
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/02—Arrangement of sewer pipe-lines or pipe-line systems
-
- 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
Abstract
The invention discloses a kind of previous bituminous pavement structure, including road surface, permeable concrete layer is provided with below the road surface, the permeable concrete layer lower section is provided with lithosphere, concrete layer is provided with below the lithosphere, earth's surface is provided with below the concrete layer, pipeline is provided with the concrete layer, the pipeline other end is fixedly connected with the sleeve pipe being mutually matched therewith, described sleeve pipe is away from pipeline one end through concrete layer side, and extend on the outside of concrete layer, several soakaway trench are fixedly connected with the top of the pipeline, the soakaway trench bottom is fixedly connected with seepage brick, the duct bottom is fixedly connected with several outlet pipes, the delivery port of the outlet pipe is arranged on the outside of concrete layer, this practical previous bituminous pavement structure, which has, preserves the ecological environment, skidproof effect is avoided to change, the features such as avoiding the occurrence of landslide dangerous situation.
Description
Technical field
The present invention relates to concrete road surface structure technical field, specially a kind of previous bituminous pavement structure.
Background technology
With China's expanding economy and the quickening of urban construction paces, waterproof pavement is brought to urban ecological environment
Negative effect is also increased for it, and universal concrete road surface structure, surface gathered water causes the skidproof effect of road surface in itself to drop significantly
It is low, and if moisture discharge not in time, the immersion of the long-time of moisture easily causes landslide.
The content of the invention
Present invention solves the technical problem that being to overcome the influence ecological environment of prior art, skidproof effect reduction, Yi Zao
Into landslide dangerous situation defect, there is provided a kind of previous bituminous pavement structure.There is the permeable concrete road surface structure protection to give birth to
State environment, avoid skidproof effect change, avoid the occurrence of landslide dangerous situation the features such as.
To achieve the above object, the present invention provides following technical scheme：A kind of previous bituminous pavement structure, including road
Permeable concrete layer is provided with below face, the road surface, the permeable concrete layer lower section is provided with lithosphere, the rock
It is provided with to be provided with earth's surface, the concrete layer below concrete layer, the concrete layer below rock layers and is provided with pipeline, institute
Pipeline one end is stated through concrete layer side, and is extended on the outside of concrete layer, the pipeline other end is fixedly connected with therewith
The sleeve pipe being mutually matched, described sleeve pipe runs through concrete layer side away from pipeline one end, and extends on the outside of concrete layer, described
Several soakaway trench are fixedly connected with the top of pipeline, the soakaway trench bottom is fixedly connected with seepage brick, and the duct bottom is consolidated
Surely several outlet pipes are connected with, the delivery port of the outlet pipe is arranged on the outside of concrete layer, and the soakaway trench, seepage brick
It is respectively positioned on outlet pipe in concrete layer.
It is preferred that, the lithosphere includes being fixedly connected by contiguous block between several fragments of brick, several described fragments of brick.
It is preferred that, the space offered on the contiguous block between several holes, and described hole and fragment of brick is equal
OK.
It is preferred that, the seepage brick cross section is semicircle, and the seepage brick top end surface is arc.
It is preferred that, the soakaway trench and outlet pipe linear arrangement successively from left to right.
It is preferred that, diameter of a circle can not be more than diameter of a circle in ferrule interface outside the pipeline interface.
The ground surface material is composite modified asphalt.
The composite modified asphalt is with the pitches of AL (R) -1, the pitches of AL (M) -3, mixes modified glue powder outside, and the raw material such as SBS passes through
Shearing method, the method such as quick stir process is prepared from.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention is by permeable concrete layer by road surface moisture
It is delivered to lithosphere, the setting of lithosphere fragment of brick so that moisture reaches concrete layer from the space between fragment of brick, polylith fragment of brick
Space causes moisture to be split, it is ensured that the moisture on road surface reaches concrete layer faster, it is to avoid road surface excess moisture and influence to prevent
Sliding effect, and the ecological environment on road surface is ensure that, the setting of contiguous block ensures that the space between fragment of brick will not be with the pressure on road surface
Power increases and reduced, and moisture is reached in pipeline in concrete layer by the osmosis of seepage brick and soakaway trench, seepage brick
Top cambered surface may be such that infiltration operation, with maximum contact area concrete layer, adds the double action of soakaway trench, and then coagulation
Moisture in soil layer can fully be permeated, concrete layer moisture is fully absorbed, it is to avoid moisture is not timely in concrete layer
The dangerous situation of landslide is discharged and causes, moisture is discharged from pipe ends and outlet pipe again, and when laying next block road, pipeline can
It is connected by sleeve pipe with next pipeline, road surface has extraordinary tensile strength using composite modified asphalt, can be significantly
Reduce pavement damage ratio.
Brief description of the drawings
Fig. 1 is sectional view of the present invention；
Fig. 2 is the top view of part contiguous block of the present invention.
Label in figure：1st, road surface, 2, permeable concrete layer, 3, lithosphere, 4, concrete layer, 5, earth's surface, 6, pipeline, 7,
Sleeve pipe, 8, soakaway trench, 9, seepage brick, 10, outlet pipe, 11, fragment of brick, 12, contiguous block, 13, hole.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1-2 is referred to, the present invention provides a kind of technical scheme：A kind of previous bituminous pavement structure, including road surface 1,
Road surface 1 has water seepage hole, and the lower section of road surface 1 is provided with permeable concrete layer 2, and the lower section of permeable concrete layer 2 is set
Lithosphere 3 is equipped with, the lithosphere 3 includes fixing by contiguous block 12 between several fragments of brick 11, several described fragments of brick 11
The space offered on connection, the contiguous block 12 between several holes 13, and described hole 13 and fragment of brick 11 is parallel,
The lower section of lithosphere 3 is provided with concrete layer 4, and the lower section of concrete layer 4, which is provided with earth's surface 5, the concrete layer 4, to be set
Pipeline 6 is equipped with, described one end of pipeline 6 extends to the outside of concrete layer 4 through the side of concrete layer 4, and the pipeline 6 is another
End is fixedly connected with the sleeve pipe 7 being mutually matched therewith, and described sleeve pipe 7 runs through the side of concrete layer 4 away from the one end of pipeline 6, described
Diameter of a circle can not be more than diameter of a circle in the interface of sleeve pipe 7 outside the interface of pipeline 6, and extend to the outside of concrete layer 4, the pipeline
6 tops are fixedly connected with several soakaway trench 8, and the bottom of soakaway trench 8 is fixedly connected with seepage brick 9, and the seepage brick 9 is transversal
Face is semicircle, and the top end surface of the seepage brick 9 is arc, and the bottom of pipeline 6 is fixedly connected with several outlet pipes 10,
The delivery port of the outlet pipe 10 is arranged on the outside of concrete layer 4, and the soakaway trench 8, seepage brick 9 and outlet pipe 10 are respectively positioned on
In concrete layer 4, the soakaway trench 8 and the linear arrangement successively from left to right of outlet pipe 10.
Operation principle：The moisture of road surface 1 is delivered to lithosphere 3, the brick of lithosphere 3 by the present invention by permeable concrete layer 2
The setting of block 11 so that moisture reaches concrete layer 4 from the space between fragment of brick 11, and the space of polylith fragment of brick 11 causes moisture quilt
Shunting, it is ensured that the moisture on road surface reaches concrete layer 4 faster, it is to avoid the excess moisture of road surface 1 and influence skidproof effect, and ensure
The ecological environment on road surface 1, the setting of contiguous block 12 ensures that the space between fragment of brick will not be as the pressure on road surface 1 increases and subtract
Small, moisture is reached in pipeline 6 in concrete layer 4 by the osmosis of seepage brick 9 and soakaway trench 8, the top arc of seepage brick 9
Face may be such that infiltration operation, with maximum contact area concrete layer 4, adds the double action of soakaway trench 8, and then concrete layer 4
Interior moisture can fully be permeated, the moisture of concrete layer 4 is fully absorbed, it is to avoid moisture is not arranged in time in concrete layer 4
Go out and cause the dangerous situation of landslide, moisture is discharged from the two ends of pipeline 6 and outlet pipe 10 again, when laying next block road 1, pipeline
6 can be connected by sleeve pipe 7 with next pipeline 6.
The material of road surface 1 is composite modified asphalt, and the composite modified asphalt is dripped with the pitches of AL (R) -1, AL (M) -3
Green grass or young crops, mixes modified glue powder outside, and the raw material such as SBS is by shearing method, and the method such as quick stir process is prepared from.
Specific embodiment is as follows：
Embodiment 1 produces AL (R) -1, AL (M) -3, SBS, modified glue powder 200:170:40:60 sample（Unit serving）.AL(R)-
1200 parts, -3170 parts of AL (M), SBS40 parts, 60 parts of modified glue powder, 10 parts of carbon nano-fiber, 60 parts of 5% NAOH solution, acetic acid
15 parts, 20 parts of dimethylbenzene, 16 parts of calcium zinc stabilizer, 30 parts of crosslinking agent cumyl peroxide.
Step 1,200 parts of pitches of AL (R) -1 are heated to 180 DEG C, 60 parts of modified glue powders are added, in 220 DEG C, 1800r/
Rubber powder modified asphalt A1 is made in min down cut certain times;
Step 2 and then 10 parts of carbon nano-fibers are added thereto, in 80 DEG C of stirring in water bath reaction 3h;
Step 3, by 60 part 5% of NAOH solution, be put into be heated to pour into nanofiber rubber powder obtained above after 70 DEG C rapidly and change
Property bitumen A 1 in simultaneously thermal agitation processing 2h；
Step 4, to the good A1 pitches of alkali process 40 parts of SBS are slowly added to, then at 180 DEG C, during one section of 3300r/min down cuts
Between be made rubber powder/SBS modified pitch A2;
Step 5, be then transferred into three-necked flask be passed through helium exclude air, then add 15 parts of acetic acid, in 50 DEG C of water-bath
Lower stirring reaction 3h;
20 parts of dimethylbenzene of step 6 and then addition, are transferred in the reactor of polytetrafluoroethylene (PTFE) in vacuum drying chamber at 200 DEG C
React 3h;
Step 7, to above-mentioned acetic acid, in the A2 pitches that dimethylbenzene is handled well add 16 parts of calcium zinc stabilizers, in 220 DEG C, 4000r/
The modified pitch A3 of addition stabilizer is made in min down cuts 2h;
Step 8, above-mentioned modified pitch A3 thermal agitations are handled into 2h；
Step 9, will in the A3 modified pitch after above-mentioned stirring add 170 parts of type pitches of AL (M) -3, in 240 DEG C, 4500r/min
Lower stir process 2h tentatively obtains composite modified asphalt；
Step 10,30 parts of crosslinking agent cumyl peroxides are added in preliminary obtained composite modified asphalt, be transferred to
At 300 DEG C in autoclave, 3h is reacted under nitrogen atmosphere under 12MPA, the composite modified drips of AL (R) -1/AL (M) -3 are finally given
It is blue or green.
Embodiment 2 produces AL (R) -1, AL (M) -3, SBS, modified glue powder 150:190:45:30 sample（Unit serving）.AL
(R) -1150 parts, -3190 parts of AL (M), SBS45 parts, 30 parts of modified glue powder.Other raw material dosages, operating procedure is with embodiment 1 one
Sample.
Embodiment 3 produces AL (R) -1, AL (M) -3, SBS, modified glue powder 210:170:40:60 sample（Unit serving）.AL
(R) -1210 parts, -3170 parts of AL (M), SBS40 parts, 60 parts of modified glue powder.Other raw material dosages, operating procedure is with embodiment 1 one
Sample.
Embodiment 4 produces AL (R) -1, AL (M) -3, SBS, modified glue powder 220:170:40:60 sample（Unit serving）.AL
(R) -1220 parts, -3170 parts of AL (M), SBS40 parts, 60 parts of modified glue powder,.Other raw material dosages, operating procedure is with embodiment 1
Equally.
Embodiment 5 produces AL (R) -1, AL (M) -3, SBS, modified glue powder 230:170:40:60 sample（Unit serving）.AL
(R) -1230 parts, -3170 parts of AL (M), SBS40 parts, 60 parts of modified glue powder,.Other raw material dosages, operating procedure is with embodiment 1
Equally.
Embodiment 6 produces AL (R) -1, AL (M) -3, SBS, modified glue powder 200:180:40:60 sample（Unit serving）.AL
(R) -1200 parts, -3180 parts of AL (M), SBS40 parts, 60 parts of modified glue powder.Other raw material dosages, operating procedure is with embodiment 1 one
Sample.
Embodiment 7 produces AL (R) -1, AL (M) -3, SBS, modified glue powder 200:190:40:60 sample（Unit serving）.AL
(R) -1200 parts, -3190 parts of AL (M), SBS40 parts, 60 parts of modified glue powder.Other raw material dosages, operating procedure is with embodiment 1 one
Sample.
Embodiment 8 produces AL (R) -1, AL (M) -3, SBS, modified glue powder 200:200:40:60 sample（Unit serving）.AL
(R) -1200 parts, -3200 parts of AL (M), SBS40 parts, 60 parts of modified glue powder.Other raw material dosages, operating procedure is with embodiment 1 one
Sample.
Embodiment 9 produces AL (R) -1, AL (M) -3, SBS, modified glue powder 200:170:45:60 sample（Unit serving）.AL
(R) -1200 parts, -3170 parts of AL (M), SBS45 parts, 60 parts of modified glue powder.Other raw material dosages, operating procedure is with embodiment 1 one
Sample.
Embodiment 10 produces AL (R) -1, AL (M) -3, SBS, modified glue powder 200:170:50:60 sample（Unit serving）.AL
(R) -1200 parts, -3170 parts of AL (M), SBS50 parts, 60 parts of modified glue powder.Other raw material dosages, operating procedure is with embodiment 1 one
Sample.
Embodiment 11 produces AL (R) -1, AL (M) -3, SBS, modified glue powder 200:170:40:65 sample（Unit serving）.AL
(R) -1200 parts, -3170 parts of AL (M), SBS40 parts, 65 parts of modified glue powder.Other raw material dosages, operating procedure is with embodiment 1 one
Sample.
Embodiment 12 produces AL (R) -1, AL (M) -3, SBS, modified glue powder 200:170:40:70 sample（Unit serving）.AL
(R) -1200 parts, -3170 parts of AL (M), SBS40 parts, 70 parts of modified glue powder.Other raw material dosages, operating procedure is with embodiment 1 one
Sample.
Embodiment 13 produces AL (R) -1, AL (M) -3, SBS, modified glue powder 200:170:40:75 sample（Unit serving）.AL
(R) -1200 parts, -3170 parts of AL (M), SBS40 parts, 75 parts of modified glue powder.Other raw material dosages, operating procedure is with embodiment 1 one
Sample.
Embodiment 14, just the same with the raw materials technology of embodiment 1, difference is, be additionally added in step 8 20 parts of lactic acid-
SBA-15- sulfhydrylation bentonite activating agents；
SBA-15- sulfhydrylation bentonite activating agent methods are as follows：According to Mass Calculation：By 40 parts of sulfhydrylation bentonites and 20 parts
SBA-15 powder and 20 parts of mixed in hydrochloric acid evaporate excessive hydrochloric acid after fully reacting, add excessive water, add ammoniacal liquor complete to rare earth
Full precipitation, filtering is washed to no chlorion, adds ionized water, obtains suspension, lactic acid is added while stirring after being heated to 60 DEG C
Aqueous solution insulation reaction 5h, evaporation excessive water separates out product filtration drying and obtains lactic acid-SBA-15- sulfhydrylations bentonite activity
Agent；
Wherein SBA-15 powder preparation methods are as follows：
5g triblock copolymers PluronicP123 is added in 200mLH2SO4 solution (0.4molL-1), magnetic agitation
6h is until solution is clarified;Then 0.2gNaOH solids are added at room temperature, and add 13mLNa2SiO3-NaOH solution (contains 27%
SiO2,14%NaOH), continue violent magnetic stirring 5d at room temperature, a large amount of gels finally occur, it is left that system pH maintains 1
It is right;Gained solid is dried overnight through filtering, deionization after washing 3 times in 333K;Last solid particulate matter in Muffle furnace with
10Kmin-1 speed is warming up to 823K and continues calcination 6h, and grinding can obtain SBA-15 powder after cooling；
Sulfhydrylation is bentonitic to be prepared：Calcium-base bentonite is first subjected to acid activation modification with 20% hydrochloric acid solution, after the completion of use mercapto
Base reagent carries out thiolated modified, obtained sulfhydrylation bentonite, by ground 200 mesh sieve of material to acid-modified bentonite.
Embodiment 15, as the processing step of embodiment 2, difference is, 20 parts of SBA-15- sulfydryls are additionally added in step 8
Change bentonite activating agent.
Reference examples 1 produce AL (R) -1, AL (M) -3, SBS, modified glue powder 200:170:40:60 sample（Unit serving）.AL
(R) -1200 parts, -3170 parts of AL (M), SBS40 parts, 60 parts of modified glue powder.Carbon nano-fiber modification is added without, other are former
Expect consumption, operating procedure is with embodiment 1.
Reference examples 2 produce AL (R) -1, AL (M) -3, SBS, modified glue powder 200:170:40:60 sample（Unit serving）.AL
(R) 1200 parts, -3170 parts of AL (M), SBS40 parts, 60 parts of modified glue powder.Nanofiber rubber powder modified asphalt A1 is not entered wherein
Row alkali process, other raw material dosages, operating procedure is with embodiment 1.
Reference examples 3 produce AL (R) -1, AL (M) -3, SBS, modified glue powder 200:170:40:60 sample（Unit serving）.AL
(R) 1200 parts, -3170 parts of AL (M), SBS40 parts, 60 parts of modified glue powder.Air wherein is excluded without helium, in air atmosphere
Lower carry out acetic acid treatment, other raw material dosages, operating procedure is with embodiment 1.
Reference examples 4 produce AL (R) -1, AL (M) -3, SBS, modified glue powder 200:170:40:60 sample（Unit serving）.AL
(R) 1200 parts, -3170 parts of AL (M), SBS40 parts, 60 parts of modified glue powder.Calcium zinc stabilizer is added without, operating procedure is with embodiment
As 1.
Reference examples 5 produce AL (M) -3, SBS, modified glue powder 170:40:60 sample（Unit serving）.- 3170 parts of AL (M),
SBS40 parts, 60 parts of modified glue powder.Wherein it is added without the pitches of AL (R) -1, other raw material dosages, operating procedure is with embodiment 1 one
Sample.
Reference examples 6 produce AL (R) -1, SBS, modified glue powder 200:40:60 sample（Unit serving）.1200 parts of AL (R),
SBS40 parts, 60 parts of modified glue powder.Wherein it is added without the pitches of AL (M) -3, other raw material dosages, operating procedure is with embodiment 1 one
Sample.
Embodiment 7, just the same with the raw materials technology of embodiment 14, difference is, 20 parts of sulfhydrylations is additionally added in step 8 swollen
Moisten soil material.
Embodiment 8, just the same with the raw materials technology of embodiment 14, difference is, 20 parts of SBA-15 powder are additionally added in step 8
End.
Tensile strength is tested：By obtained AL (R) -1/AL (M) -3 composite modified asphalt, when not yet reaching solidification temperature
It is evenly coated on the iron plate of ground smooth, two pieces of iron plates are glutinous together, and two untouchable contacts area are 4 × 4cm.It is put into baking oven
Middle isothermal curing, it is sample that solidification is taken out after terminating.Herein according to the method for ASTMD638-03 defineds, using GP-
TS20009 tensile testing machines are with 500mm/min speed, and test temperature is 20 DEG C, and it is strong that sample determines stretching under the same conditions
Degree.
The tensile strength test results of table one
Test result indicates that：It can be found that comparative example, embodiment 1, the composite modified drips of AL made from 2 (R) -1/AL (M) -3
Blue or green tensile property is best.Illustrate that the raw material proportioning has more preferable synergy, operating procedure is most beneficial for synthesis tensile property
Good AL (R) -1/AL (M) -3 composite modified asphalt.Obtained AL (R) -1/AL (M) -3 composite modified asphalt is drawn under other techniques
Stretch intensity general.Comparative example 1, comparative example 1,2,3,4,5,6 is can be found that.Carbon nano-fiber modification is added without, no
Alkali process is carried out to nanofiber rubber powder modified asphalt A1, air is excluded without helium, is carried out in air atmosphere at acetic acid
Reason, wherein being added without the pitches of AL (R) -1, is added without AL (R) -1/AL (M) -3 composite modified asphalt made from the pitches of AL (M) -3 and draws
Stretch performance all bad.
It is found by the applicant that finding its tensile property after lactic acid-SBA-15- sulfhydrylations bentonite activating agent in preparation process
It is greatly enhanced, it is seen that it, which exists, promotes pitch to be chemically reacted with SBS, and interface becomes between SBS and pitch
Obscure very much, combination degree is relatively good, system is dispersed phase by SBS phases, pitch is mutually changed into SBS phases and pitch phase for continuous phase
Through the two-arch tunnel structure of network, the cohesive force between greatly enhancing asphaltene molecule is made modified pitch by the formation of such a structure
The property of polymer is shown to a certain extent, and vital effect is played in the improvement for being used for performance.
Claims (8)
1. a kind of previous bituminous pavement structure, including road surface（1）, it is characterised in that：The road surface（1）Lower section is provided with permeable
Property concrete layer（2）, the permeable concrete layer（2）Lower section is provided with lithosphere（3）, the lithosphere（3）Lower section is set
There is concrete layer（4）, the concrete layer（4）Lower section is provided with earth's surface（5）, the concrete layer（4）Inside it is provided with pipeline
（6）, the pipeline（6）Concrete layer is run through in one end（4）Sideways, and concrete layer is extended to（4）Outside, the pipeline（6）Separately
One end is fixedly connected with the sleeve pipe being mutually matched therewith（7）, described sleeve pipe（7）Away from pipeline（6）Concrete layer is run through in one end（4）
Sideways, and concrete layer is extended to（4）Outside, the pipeline（6）Top is fixedly connected with several soakaway trench（8）, it is described to ooze
Water pipe（8）Bottom is fixedly connected with seepage brick（9）, the pipeline（6）Bottom is fixedly connected with several outlet pipes（10）, it is described
Outlet pipe（10）Delivery port be arranged on concrete layer（4）Outside, and the soakaway trench（8）, seepage brick（9）And outlet pipe（10）
It is respectively positioned on concrete layer（4）It is interior.
2. a kind of previous bituminous pavement structure according to claim 1, it is characterised in that：The lithosphere（3）Including
Several fragments of brick（11）, several described fragments of brick（11）Between pass through contiguous block（12）It is fixedly connected.
3. a kind of previous bituminous pavement structure according to claim 2, it is characterised in that：The contiguous block（12）On open
Provided with several holes（13）, and described hole（13）With fragment of brick（11）Between space it is parallel.
4. a kind of previous bituminous pavement structure according to claim 1, it is characterised in that：The seepage brick（9）It is transversal
Face is semicircle, and the seepage brick（9）Top end surface is arc.
5. a kind of previous bituminous pavement structure according to claim 1, it is characterised in that：The soakaway trench（8）With going out
Water pipe（10）Linear arrangement successively from left to right.
6. a kind of previous bituminous pavement structure according to claim 1, it is characterised in that：The pipeline（6）Outside interface
Diameter of a circle can not be more than sleeve pipe（7）Diameter of a circle in interface.
7. a kind of previous bituminous pavement structure according to claim 1, it is characterised in that：The road surface（1）Material is
Composite modified asphalt.
8. a kind of previous bituminous pavement structure according to claim 7, it is characterised in that：The composite modified asphalt with
The pitches of AL (R) -1, the pitches of AL (M) -3 mix modified glue powder outside, and the raw material such as SBS is by shearing method, the method system such as quick stir process
It is standby to form.
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| CN201710678628.0A CN107313321A (en) | 2017-08-10 | 2017-08-10 | A kind of previous bituminous pavement structure |
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| CN201710678628.0A CN107313321A (en) | 2017-08-10 | 2017-08-10 | A kind of previous bituminous pavement structure |
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Application publication date: 20171103 |