CN102660916A - Distributed type road surface treatment construction method - Google Patents
Distributed type road surface treatment construction method Download PDFInfo
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- CN102660916A CN102660916A CN2012101800912A CN201210180091A CN102660916A CN 102660916 A CN102660916 A CN 102660916A CN 2012101800912 A CN2012101800912 A CN 2012101800912A CN 201210180091 A CN201210180091 A CN 201210180091A CN 102660916 A CN102660916 A CN 102660916A
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Abstract
The invention belongs to the field of road construction and particularly relates to a distributed type road surface treatment construction method, which can fixedly bond aggregates on the road surface without using excessive asphalt material. The distributed type road surface treatment construction method comprises the process of forming an asphalt material layer in a foaming state on the road surface and the process of spreading the aggregates on the asphalt material layer in the foaming state. According to the distributed type road surface treatment construction method provided by the invention, the distributed asphalt material exists on the road surface in the state of foaming and increasing volume, therefore, even though the amount of the asphalt material does not result in flash burn phenomenon, the surface of the distributed aggregates in a large area can be fully covered, and the aggregates as well as the aggregates and the road surface can be fixedly bonded.
Description
Technical field
The invention belongs to the road construction field, particularly, relate to a kind of distributed mode road surface and handle job practices, more particularly, relate to the distributed mode road surface processing job practices of scattering aggregate on the bituminous material of foamed state being in.
Background technology
In the past, the road of laying was along with being used to traffic, agingly aggravated gradually with deterioration, might the road surface was worn and produced concavo-convexly, perhaps cracked on the laying surface etc.If place no matter these concavo-convex and crackles, so probably can threaten the safety of traffick, also might be because rainwater etc. are penetrated into from crackle portion lays body inside and cause the breakage of laying body self.
As to so aging with deterioration the laying road method of repairing, proposed in the past that the distributed mode road surface is handled job practices, hybrid road surface is handled job practices and cover type job practices etc.Wherein, The distributed mode road surface is handled job practices for example has following job practices: as shown in Figure 1; Owing to aging or deterioration have produced on the road surface 1 of concavo-convex or crackle, bituminous material 2 is scattered into film like, then scatter aggregate 3 in the above; Through bituminous material 2 aggregate 3 is incorporated into road surface 1, on road surface 1, forms the layer that constitutes by bituminous material 2 and aggregate 3.
This distributed mode road surface is handled job practices can repair the laying surface fairly simplely; Therefore; As to aging, deterioration the laying body reparation construction method of repairing be very effective; But this distributed mode road surface is handled job practices and is different from the reparation construction method of using asphalt mixture to carry out, only is to utilize bituminous material that aggregate is incorporated into the road surface; So the aggregate that is dispersed on the bituminous material is easy to shown in the Reference numeral among Fig. 14 that kind by the power that sweeps of the generations such as wheel of traffick or impact force and splashes owing to receiving.If aggregate 4 splashes, bituminous material will directly expose road surface, and the road surface produces the flash burn phenomenon, becomes to be prone to very much slide, thereby causes skidding of traffick etc., has the danger that produces traffic accident.
In order to prevent that such aggregate from splashing, the amount that can expect increasing the bituminous material of distribution is thickeied the layer of bituminous material, thus the method that aggregate is combined strongly; But; If the quantitative change of bituminous material is many, then when stronger summer at sunshine etc., pavement temperature rises; Can produce the flash burn phenomenon that causes because of excessive bituminous material, the result can block traffic on the contrary.So-called flash burn phenomenon is meant that pitch reaches flash-point and the phenomenon of burning.
Summary of the invention
The present invention is in order to solve the problem that exists in the above-mentioned prior art, and its purpose is to provide a kind of distributed mode road surface to handle job practices, can not use excessive bituminous material and aggregate is combined on the road surface strongly.
The present inventor has studied repeatedly in distributed mode road surface processing job practices and has utilized bituminous material that aggregate is combined in the device on the road surface; The result finds, through at first on the road surface, forming the layer of the bituminous material that is in foamed state, on this layer, scatters aggregate again; Thus; Can strengthen bituminous material significantly aggregate is incorporated into the adhesion on road surface, can not use excessive bituminous material and build out strong distributed mode road surface processing layer, thereby accomplish the present invention.
That is to say that the present invention provides a kind of distributed mode road surface to handle job practices in order to address the above problem, and comprising: the operation that on the road surface, forms the layer of the bituminous material that is in foamed state; With the operation of on the layer of the bituminous material that is in foamed state, scattering aggregate.
When on the road surface, forming the layer of the bituminous material that is in foamed state; Can be; Simultaneously or and then distribution bituminous material and blowing agent successively make bituminous material on the road surface or in the air, contact, mix with blowing agent and bituminous material are foamed, and also can be; Make bituminous material contact, mix and foam in advance, scatter the bituminous material after foaming with blowing agent.
Preferably make water as blowing agent, as required the quantitative various foamed promoters of hybrid regulatory in this water.
Discovery according to the inventor; Be in foaming and the bituminous material of the state that volume increases; That kind as shown in Figure 2 is even amount seldom also can form the layer of thicker bituminous material 2 on road surface 1, if on this layer, scatter aggregate 3; Then compare with the situation that bituminous material 2 does not foam, more large-area aggregate surface is covered by bituminous material 2.The result; That kind as shown in Figure 3; Even under the contracted state of the foaming of bituminous material 2; The contact area that aggregate 3 contacts with bituminous material 2 is also very big, between road surface 1 and the aggregate 3 and the adhesion between aggregate 3 and the aggregate 3 enlarge markedly, not can because of vehicle etc. pass through aggregate 3 is splashed.In addition, owing to excessively do not use bituminous material 2, therefore,, can not produce bituminous material 2 fusions yet and cause the situation of flash burn phenomenon even when the summer that pavement temperature rises.
The foaming degree of the bituminous material among the present invention has no particular limits, and usually, preferably makes bituminous material be foamed into volume and increases to 1.1～20 times of original volume.During 1.1 times of the increase deficiencies of volume, can not obtain sufficient foaming effect, on the contrary, be foamed into volume more than 20 times the time, effect no longer includes any difference.Common 3～15 times of preferably being foamed into the preceding volume of foaming.
In addition; Handle in the job practices at distributed mode road surface of the present invention; Need, scatter bituminous material aggregate when being in foamed state, and therefore, preferably shorter from the layer that forms the bituminous material be in foamed state on the road surface time till begin to scatter aggregate; More preferably short and constant; In order easily to carry out such construction, preferably the dissemination apparatus of the bituminous material to the dissemination apparatus of major general's bituminous material and blowing agent or the foaming and the dissemination apparatus of aggregate carry on same operation car, use this operation car to operate.
Distributed mode road surface of the present invention is handled job practices and is not limited to Ordinary Rd; Can be applied in the laying road of road, sports ground, parking lot, aerodrome, terminal facilities etc. in motorway, cycleway, the park; Its purposes also is not limited only to repair, and also can be used in building of surface course in the newly-built fortification.
Invention effect: as stated; Handle job practices according to distributed mode road surface of the present invention; The bituminous material that the scatters state that volume increases with foaming is present on the road surface, so, even only used the bituminous material that does not produce the amount of flash burn phenomenon; Also can be and cover the surface of the aggregate that is scattered fully than large tracts of land, can with aggregate each other and aggregate combine with the road surface strongly.Particularly the operation car at the dissemination apparatus that uses the dissemination apparatus will be equipped with bituminous material, blowing agent and aggregate comes the distributed mode road surface of embodiment of the present invention to handle under the situation of job practices; Can with the distribution of the distribution of bituminous material, blowing agent and aggregate, or foaming after the distribution associated the of distribution and aggregate of bituminous material manage as a series of operation, can simply build out efficiently road surface processing layer even and that have resistance to ag(e)ing.Like this, handle job practices, can on the road surface, build strong road surface processing layer simply, not only can be used for the repairing of existing laying road, can also be used for the newly-built of laying road according to distributed mode road surface of the present invention.
Description of drawings
Fig. 1 utilizes existing distributed mode road surface to handle the key diagram of the road surface processing layer that job practices processes.
Fig. 2 is the key diagram that distributed mode road surface of the present invention is handled job practices.
Fig. 3 is the key diagram that distributed mode road surface of the present invention is handled job practices.
Description of reference numerals
1, road surface, 2, bituminous material, 3, aggregate, 4, the aggregate that splashes.
The specific embodiment
Below, with reference to accompanying drawing distributed mode road surface processing job practices of the present invention is described at length.
At first, the material that uses is described.
<bituminous material >
Handle the bituminous material that uses in the job practices as distributed mode road surface of the present invention; Can enumerate out the petroleum bitumen of natural asphalts such as lake asphalt, direct current pitch, blown asphalt, solvent deasphalting (for example, propane deasphalting) etc., and the bituminous material of heavy oil, tar etc.
In these bituminous materials, can be added with natural rubber or various synthetic rubber with the mode that adopts individually or simultaneously.As synthetic rubber, can adopt the various synthetic rubber of neoprene, styrene isoprene copolymer rubber, styrene butadiene styrene copolymer rubber, polyisoprene rubber, polybutadiene rubber, styrene-butadiene-copolymer rubber etc. with the mode that adopts individually or simultaneously.Particularly under the situation of using neoprene, styrene isoprene copolymer rubber, the characteristic in the time of can improving high temperature and low temperature is preferred.In addition, Mooney viscosity is solid shape or emulsus.
In addition; In the bituminous material used in the present invention; Except rubber; Can also add the synthetic resin of the synthetic high polymer polymer resin, cumarone resin, phenolic resins, xylene resin, Lauxite, alkyd resins etc. of ethylene-vinyl acetate copolymer, polyacrylic acid, polyvinyl etc., the natural resin of rosin, terpene resin etc. etc.
In addition, in these bituminous materials, the preventing of the deterioration that improves, caused by ultraviolet ray etc. with heat resistance, operability improves and cohesive raising etc. is a purpose, also can add ultra-violet absorber, various additive, viscosity modifier etc.
<blowing agent >
The blowing agent that uses among the present invention is the water of distilled water, drinking water, industrial water use, lake water, rivers and creeks water etc. normally, in this water, adds the foamed promoter that has mixed 0～20 weight % as required.Foamed promoter added 20 weight % when above effect no longer demonstrate difference, and be unfavorable for the saving of economic aspect, therefore be made as and be no more than～20 weight %.
As foamed promoter, can use sodium acid carbonate or various emulsifier, as emulsifier, can use certain in cation system, anion system, the both sexes system.In addition; Foamed promoter can also use hydrogen peroxide and calcium oxychloride, hydrochloric acid and sodium bicarbonate, magnesium or lead and alkali, two calcium carbide etc., and then can use the high molecular surfactant etc. of the protein induce body, maleic acid etc. of synthetic surfactant, casein or the gelatin etc. of resin soap etc.These foamed promoters can use separately also can adopt simultaneously two or more.
< aggregate >
The aggregate that uses among the present invention is meant the aggregate that road pavement is used, and is rubble, cobble, sand, iron and steel slag etc.In addition, also can use the pitch that on these aggregates, has covered pitch to cover aggregate and regeneration aggregate etc.In addition, also can use and the similar granular materials of above-mentioned aggregate for example artificial burnt aggregate, sintered and foamed aggregate, artificial light-duty aggregate, pottery magnetic particle, alumina particles, plastic grain, pottery, diamond dust etc.
The granularity of the aggregate that uses among the present invention has no particular limits; Can use from any particle diameter of small aggregate to thick aggregate; But, even for the thickness that makes the road surface processing layer of building out, preferably make the granularity of the aggregate that uses when once scattering the same.In addition, having cleaned the surface if aggregate waits with washing earlier before being used, then can increase the adhesive power to bituminous material, is preferred.In addition, also can cover asphalt emulsion or direct current pitch, the modified bitumen of 0.3～1 weight % degree for aggregate in advance on the surface of the aggregate that will use.In addition, if use coloured aggregate, then can realize colored the laying simply.
Next, distributed mode road surface of the present invention being handled job practices describes.
<being in the formation of the bituminous material layer of foamed state >
In the present invention; The layer that is in the bituminous material of foamed state makes how to form on the road surface all can; But preferably, scatter bituminous material and blowing agent simultaneously or and then successively, make bituminous material and blowing agent on the road surface or contact mixing and bituminous material is foamed in the air; Thereby on the road surface, form the layer of the bituminous material that is in foamed state; Or, bituminous material is contacted with blowing agent mix and foam in advance, through scattering the layer that bituminous material after the foaming comes on the road surface, to form the bituminous material that is in foamed state.
At the same time or and then scatter bituminous material and blowing agent successively; Make bituminous material and blowing agent on the road surface or contact and mix and make under the situation that bituminous material foams in the air; Use two kinds of nozzles; So that the mode that bituminous material and blowing agent aloft or on the road surface are in contact with one another, mix is scattered bituminous material and blowing agent respectively.If mainly want to make both to contact, mix aloft; Then so that the overlapping aloft mode of both dispersion zones disposes nozzle gets final product; If mainly want to make both on the road surface, to contact, mix, then so that both by simultaneously or the mode that and then successively spreads to the something in common on the road surface dispose nozzle and get final product.Under situation about and then successively scattering, about the distribution order of bituminous material and blowing agent, which formerly can to make bituminous material and blowing agent.The operation car that scatters preferably through in approaching position configuration each other the jet rod that is respectively applied for bituminous material and blowing agent being arranged and being installed in each a plurality of nozzle on this jet rod carries out, and the distribution width preferably can freely change.As nozzle, can use the bull nozzle that can scatter a plurality of materials simultaneously.In addition, preferably before scattering bituminous material and blowing agent, with heaters such as heater planers the construction road surface is heated in advance.
The dispersion volume of bituminous material is 0.4～2.5 (l/m
2), be preferably 0.8～2.0 (l/m
2).If the dispersion volume of bituminous material is less than 0.4 (l/m
2), then can not combine aggregate well, if the opposite 2.5 (l/m that surpass
2), then might become the reason that produces the flash burn phenomenon.Bituminous material preferably heats the back to be used, and its heating-up temperature is selected to the temperature of proper viscosity according to the temperature-viscograph of each bituminous material, is generally 90～210 ℃, preferably is heated to 150～180 ℃ and uses.
On the road surface or in the air, contact with bituminous material, the amount of the blowing agent when mixing, be preferably with respect to bituminous material 100 volume parts, blowing agent is 0.1～40 volume part.If the amount of blowing agent less than 0.1 volume part, then can not make bituminous material foam fully, on the contrary, if the amount of blowing agent surpasses 40 volume parts, then foaming is difficult for knocking out, and till demonstrating intensity, needs the too much time.Blowing agent can directly scatter by normal temperature, preferably is heated to 70～90 ℃ of degree usually and scatters.
Bituminous material and blowing agent are in contact with one another, mix then foaming, the layer of the bituminous material of formation foaming on the road surface if scatter.The distribution of bituminous material and blowing agent height, be the scope of preferred distance road surface, the position 5～50cm of nozzle, the more preferably scope of 7～35cm.
Foam making bituminous material contact in advance, mix under the situation that the bituminous material after the foaming is scattered, at first bituminous material is imported in the foam device with blowing agent and make both contact, mix, thereby bituminous material is foamed with blowing agent.The foam device that uses has no particular limits; Mainly be to make bituminous material contact with blowing agent, mix to foam and get final product; Can use any foam device; For example, can use hybrid foaming machine or known in the past foam devices such as agitating type foaming machine, compression type effervescent nozzle.In these foam devices, except adding bituminous material and blowing agent, can also forcibly be blown into gases such as air.
Bituminous material after the foaming is scattered towards the road surface via nozzle (under the situation of using the compression type effervescent nozzle with regard to former state ground).Be dispersed under the situation of foam devices such as using hybrid foaming machine or agitating type foaming machine; Preferably carry out through the operation car that possesses such foam device, jet rod and be installed on a plurality of nozzles of jet rod; In addition; Under the situation of using the compression type effervescent nozzle, the preferred operation car that possesses the jet rod that a plurality of compression type effervescent nozzles are installed that uses carries out.All being preferably the distribution width under which kind of situation can freely be changed by construction width control personnel.In addition, preferably before the bituminous material after the foaming was scattered, the heater with heater planer etc. heated the construction road surface in advance.
Bituminous material preferably heats the back and imports in the foam device; Its heating-up temperature; With make bituminous material aloft or on the road surface contact with blowing agent, identical when mixing; Be selected to the temperature of proper viscosity according to the temperature-viscograph of each bituminous material, bituminous material is generally 90～210 ℃, preferably is imported in the foam device with the state that is heated to 150～180 ℃ of degree.
On the other hand, blowing agent can import foam device with normal temperature, but imports in the foam device after preferably being heated to 70～90 ℃ of degree usually.In addition, about importing the amount of the blowing agent in the foam device, be preferably 0.05～10 volume part with respect to bituminous material 100 volume parts, more preferably 0.1～5 volume part.If the amount of blowing agent less than 0.05 volume part, then can not make bituminous material foam fully, on the contrary, if the amount of blowing agent surpasses 10 volume parts, then effect no longer presents any difference, and is bad on the contrary.
The dispersion volume of the bituminous material after the foaming is if be scaled 0.4～2.5 (l/m according to the volume before the foaming
2), be preferably 0.8～2.0 (l/m
2).If the dispersion volume of bituminous material is less than 0.4 (l/m
2), then can not combine aggregate well, on the contrary, if the dispersion volume of bituminous material surpasses 2.5 (l/m
2), then might become the reason that produces the flash burn phenomenon.The distribution of the bituminous material after foaming height, be that the position of nozzle is preferably the scope apart from road surface 5～50cm, the more preferably scope of 7～35cm.
< distribution of aggregate >
As above-mentioned, on the road surface, form the layer of the bituminous material of foaming, then, on this layer, scatter aggregate.The distribution of aggregate need bituminous material keeping foamed state during carry out; Therefore; The dissemination apparatus of bituminous material and blowing agent and the dissemination apparatus of aggregate, or foaming after the dissemination apparatus lift-launch of dissemination apparatus and aggregate of bituminous material on 1 operation car; It is very efficiently that this operation car is operated while advancing, so preferred.
The dissemination apparatus of the bituminous material after bituminous material or the foaming, blowing agent etc. and the dissemination apparatus of aggregate; Be configured between the distribution position of these dissemination apparatus, not be separated with the wheel or the crawler belt of operation car; In other words be configured to bituminous material, blowing agent after bituminous material or foaming scattered after, before aggregate scattered, the wheel or the crawler belt of operation car do not pass through from dispersion zone.For example, be configured to, bituminous material, blowing agent, aggregate distribution position separately all is positioned at the front side of front-wheel of operation car, perhaps all between front-wheel and trailing wheel, perhaps all is positioned at the rear side of trailing wheel.In addition, under the situation that the bituminous material after the foaming is scattered, the foam device of preferred bituminous material also carries on the aforesaid operations car in advance.
The dispersion volume of aggregate does, when scattering at every turn, and every 100m
2Unit is 0.2～2.5m
3Scope, be preferably 0.4～2.0m
3If the every 100m of the dispersion volume of aggregate
2Unit is less than 0.2m
3, then might become the reason that produces the flash burn phenomenon, on the contrary, if surpass 2.5m
3, then excessive aggregate might splash along with the current of vehicle.
The aggregate that scatters is preferably single granularity, scatters to be dispersed in the mode that forms the aggregate layer that is essentially individual layer on the road surface at every turn.Aggregate is scattered being heated under 100～170 ℃ the state usually, but also can under the normal temperature state, be scattered by quilt.
Preferably after scattering aggregate, road pavement is carried out spreading, as road roller, for example can adapt to the self-propelled roller of wheel roller, iron tyre roller, vibrating roller etc.
Use embodiment to further specify the present invention below, but the invention is not restricted to these embodiment.
Use motorway, in the scope of width 1m, length 2m, handle job practices according to distributed mode road surface of the present invention and construct.Use heater planer that construction area is heated to after about 60 ℃, at first service test is scattered blowing agent with ejector towards the road surface, uses identical test to scatter bituminous material with ejector towards the road surface then immediately.Blowing agent and bituminous material mix on the road surface, have produced abundant foaming, therefore, promptly scatter aggregate.After scattering aggregate, utilize vibrating roller that the pattern of aggregate is fully carried out spreading, end operation.
The material that uses is as follows.
<bituminous material >
Bituminous material: petroleum bitumen
Dispersion volume: 1.0 (l/m
2)
Scatter temperature: 170 ℃
<blowing agent >
Blowing agent: alicyclic surfactant 10 weight % aqueous solution dispersion volumes: 0.4 (l/m
2)
Scatter temperature: 82 ℃
< aggregate >
Aggregate: rubble
State: washing is handled and is scattered temperature: 120 ℃ of dispersion volumes: 1.0 (m
3/ 100m
2)
Wherein, the performance of the bituminous material of use is as shown in table 1.
(table 1)
The multiple row ejector that service test is used to scatter simultaneously bituminous material and blowing agent, makes both contact, mix aloft, on the road surface, forms the layer of the bituminous material of foaming.Bituminous material is 1.1 (l/m except dispersion volume
2) outside condition with embodiment 1 identical, as blowing agent, use following material.In addition, likewise on the road surface of the width 1m of motorway, length 2m, handling job practices according to distributed mode road surface of the present invention with embodiment 1 constructs.
<blowing agent >
Blowing agent: alicyclic surfactant 3 weight % aqueous solution dispersion volumes: 0.1 (l/m
2)
Scatter temperature: 84 ℃
Embodiment 3
The bituminous material identical with embodiment 1 according to 100 volume parts, the blowing agent identical with embodiment 1 according to 3 volume parts; Be directed in the agitating type foaming machine; Stir, mix and foam, use the engine spray device that the bituminous material after foaming is scattered on the construction road surface that utilizes heater planer to be heated to about 80 ℃ width 1m, length 2m in advance.Dispersion volume is scaled 1.2 (l/m according to the preceding bituminous material of foaming
2).Scattered after the bituminous material of foaming, scattered the aggregate identical immediately with embodiment 1.The distribution temperature of aggregate, dispersion volume are also identical with embodiment 1.Then, likewise utilize the vibrating roller pattern of spreading aggregate fully, end operation with embodiment 1.
In order to compare, following 3 comparative examples have been carried out with the present invention.
Comparative example 1 except not scattering the blowing agent, is likewise handled job practices according to the distributed mode road surface with embodiment 1 and is constructed.
Comparative example 2 except not scattering the blowing agent, is likewise handled job practices according to the distributed mode road surface with embodiment 2 and is constructed.
Comparative example 3 except not using blowing agent, does not make outside the bituminous material foaming, likewise handles job practices according to the distributed mode road surface with embodiment 3 and constructs.
The road surface that the foregoing description and comparative example are built out carries out after 24 hours the health; On the oversize vehicle of test usefulness, load heavy duty; Make this oversize vehicle with the speed of speed per hour 30km/h, on the road surface processing layer, go repeatedly; Total was gone after 72 times, investigated the situation of each road surface processing layer.
The result shows, under the situation of the road surface processing layer of embodiment 1～3, almost do not find splashing of aggregate.Relative therewith, under the situation of the road surface processing layer of comparative example 1～3, in the rut of test vehicle, found the vestige that the many places aggregate splashes.Attempting aggregate is peeled off; Under the situation of the road surface processing layer of embodiment 1～3, all sites of entire process layer, aggregate are all securely attached on the road surface; Can't aggregate be peeled off; With respect to this, under the situation of the road surface processing layer of comparative example 1～3, there are many places easily aggregate to be peeled off at rut etc.
Therefore, handle job practices according to distributed mode road surface of the present invention, the aggregate of distribution can be built firm road surface processing layer securely attached on the road surface.
As stated; Handle job practices according to distributed mode road surface of the present invention; The bituminous material that the scatters state that volume increases with foaming is present on the road surface, so, even only used the bituminous material that does not produce the amount of flash burn phenomenon; Also can be and cover the surface of the aggregate that is scattered fully than large tracts of land, can with aggregate each other and aggregate combine with the road surface strongly.Particularly the operation car at the dissemination apparatus that uses the dissemination apparatus will be equipped with bituminous material, blowing agent and aggregate comes the distributed mode road surface of embodiment of the present invention to handle under the situation of job practices; Can with the distribution of the distribution of bituminous material, blowing agent and aggregate, or foaming after the distribution associated the of distribution and aggregate of bituminous material manage as a series of operation, can simply build out efficiently road surface processing layer even and that have resistance to ag(e)ing.Like this, handle job practices, can on the road surface, build strong road surface processing layer simply according to distributed mode road surface of the present invention; So; Not only can be used for the repairing of existing laying road, can also be used for the newly-built of laying road, the present invention is very convenient useful invention.
Claims (9)
1. a distributed mode road surface is handled job practices, it is characterized in that, comprising:
On the road surface, form the operation of the layer of the bituminous material that is in foamed state; With
On the layer of the bituminous material that is in foamed state, scatter the operation of aggregate.
2. distributed mode road surface as claimed in claim 1 is handled job practices, it is characterized in that,
Simultaneously or and then scatter bituminous material and blowing agent successively, make bituminous material and blowing agent on the road surface or contact, mix and bituminous material is foamed in the air, on the road surface formation be in foamed state bituminous material layer.
3. distributed mode road surface as claimed in claim 1 is handled job practices, it is characterized in that,
Make bituminous material contact, mix and foam, scatter the bituminous material after foaming then, thus, on the road surface, form the layer of the bituminous material that is in foamed state with blowing agent.
4. handle job practices like the described distributed mode road surface of claim 1-3, it is characterized in that,
Blowing agent is a water, includes the foamed promoter of 0～20 weight %.
5. handle job practices like the described distributed mode road surface of claim 1-4, it is characterized in that,
Bituminous material is the heating bituminous material.
6. handle job practices like the described distributed mode road surface of claim 1-5, it is characterized in that,
Aggregate is single granularity.
7. handle job practices like the described distributed mode road surface of claim 1-6, it is characterized in that,
Road pavement heats before also being included in the layer that forms the bituminous material that is in foamed state on the road surface.
8. handle job practices like the described distributed mode road surface of claim 1-7, it is characterized in that,
Also comprise the operation of the road surface that is scattered with aggregate being carried out spreading.
9. handle job practices like the described distributed mode road surface of claim 1-8, it is characterized in that,
Use same operation car to carry out the distributed mode road surface and handle job practices; At least be equipped with the dissemination apparatus of bituminous material, the dissemination apparatus of blowing agent and the dissemination apparatus of aggregate on this operation car, perhaps be equipped with the dissemination apparatus of the bituminous material after the foaming and the dissemination apparatus of aggregate at least.
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|---|---|---|---|
| CN2012101800912A CN102660916A (en) | 2012-06-04 | 2012-06-04 | Distributed type road surface treatment construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101800912A CN102660916A (en) | 2012-06-04 | 2012-06-04 | Distributed type road surface treatment construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112127230A (en) * | 2020-08-31 | 2020-12-25 | 宗焕清 | Construction method of road asphalt pavement adopting tire initial pressing process |
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| JP2001336105A (en) * | 2000-05-25 | 2001-12-07 | Nichireki Co Ltd | Functional multiple type spread style surface treatment method |
| CN102071630A (en) * | 2010-12-27 | 2011-05-25 | 中交第二公路工程局有限公司 | Cold regeneration device for foamed asphalt and base course construction process |
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2012
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000045215A (en) * | 1998-07-29 | 2000-02-15 | Nichireki Co Ltd | Spray type surface treatment method |
| JP2001336105A (en) * | 2000-05-25 | 2001-12-07 | Nichireki Co Ltd | Functional multiple type spread style surface treatment method |
| CN102071630A (en) * | 2010-12-27 | 2011-05-25 | 中交第二公路工程局有限公司 | Cold regeneration device for foamed asphalt and base course construction process |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112127230A (en) * | 2020-08-31 | 2020-12-25 | 宗焕清 | Construction method of road asphalt pavement adopting tire initial pressing process |
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Application publication date: 20120912 |